int cmd_merge(int argc, const char **argv, const char *prefix)
{
unsigned char result_tree[20];
struct strbuf buf = STRBUF_INIT;
const char *head_arg;
int flag, head_invalid = 0, i;
int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0;
struct commit_list *common = NULL;
const char *best_strategy = NULL, *wt_strategy = NULL;
struct commit_list **remotes = &remoteheads;
if (file_exists(git_path("MERGE_HEAD")))
die("You have not concluded your merge. (MERGE_HEAD exists)");
if (read_cache_unmerged())
die("You are in the middle of a conflicted merge."
" (index unmerged)");
/*
* Check if we are _not_ on a detached HEAD, i.e. if there is a
* current branch.
*/
branch = resolve_ref("HEAD", head, 0, &flag);
if (branch && !prefixcmp(branch, "refs/heads/"))
branch += 11;
if (is_null_sha1(head))
head_invalid = 1;
git_config(git_merge_config, NULL);
/* for color.ui */
if (diff_use_color_default == -1)
diff_use_color_default = git_use_color_default;
argc = parse_options(argc, argv, prefix, builtin_merge_options,
builtin_merge_usage, 0);
if (verbosity < 0)
show_diffstat = 0;
if (squash) {
if (!allow_fast_forward)
die("You cannot combine --squash with --no-ff.");
option_commit = 0;
}
if (!allow_fast_forward && fast_forward_only)
die("You cannot combine --no-ff with --ff-only.");
if (!argc)
usage_with_options(builtin_merge_usage,
builtin_merge_options);
/*
* This could be traditional "merge <msg> HEAD <commit>..." and
* the way we can tell it is to see if the second token is HEAD,
* but some people might have misused the interface and used a
* committish that is the same as HEAD there instead.
* Traditional format never would have "-m" so it is an
* additional safety measure to check for it.
*/
if (!have_message && is_old_style_invocation(argc, argv)) {
strbuf_addstr(&merge_msg, argv[0]);
head_arg = argv[1];
argv += 2;
argc -= 2;
} else if (head_invalid) {
struct object *remote_head;
/*
* If the merged head is a valid one there is no reason
* to forbid "git merge" into a branch yet to be born.
* We do the same for "git pull".
*/
if (argc != 1)
die("Can merge only exactly one commit into "
"empty head");
if (squash)
die("Squash commit into empty head not supported yet");
if (!allow_fast_forward)
die("Non-fast-forward commit does not make sense into "
"an empty head");
remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT);
if (!remote_head)
die("%s - not something we can merge", argv[0]);
update_ref("initial pull", "HEAD", remote_head->sha1, NULL, 0,
DIE_ON_ERR);
reset_hard(remote_head->sha1, 0);
return 0;
} else {
struct strbuf msg = STRBUF_INIT;
/* We are invoked directly as the first-class UI. */
head_arg = "HEAD";
/*
* All the rest are the commits being merged;
* prepare the standard merge summary message to
* be appended to the given message. If remote
* is invalid we will die later in the common
* codepath so we discard the error in this
* loop.
*/
if (!have_message) {
for (i = 0; i < argc; i++)
merge_name(argv[i], &msg);
fmt_merge_msg(option_log, &msg, &merge_msg);
if (merge_msg.len)
strbuf_setlen(&merge_msg, merge_msg.len-1);
}
}
if (head_invalid || !argc)
usage_with_options(builtin_merge_usage,
builtin_merge_options);
strbuf_addstr(&buf, "merge");
for (i = 0; i < argc; i++)
strbuf_addf(&buf, " %s", argv[i]);
setenv("GIT_REFLOG_ACTION", buf.buf, 0);
strbuf_reset(&buf);
for (i = 0; i < argc; i++) {
struct object *o;
struct commit *commit;
o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT);
if (!o)
die("%s - not something we can merge", argv[i]);
commit = lookup_commit(o->sha1);
commit->util = (void *)argv[i];
remotes = &commit_list_insert(commit, remotes)->next;
strbuf_addf(&buf, "GITHEAD_%s", sha1_to_hex(o->sha1));
setenv(buf.buf, argv[i], 1);
strbuf_reset(&buf);
}
if (!use_strategies) {
if (!remoteheads->next)
add_strategies(pull_twohead, DEFAULT_TWOHEAD);
else
add_strategies(pull_octopus, DEFAULT_OCTOPUS);
}
for (i = 0; i < use_strategies_nr; i++) {
if (use_strategies[i]->attr & NO_FAST_FORWARD)
allow_fast_forward = 0;
if (use_strategies[i]->attr & NO_TRIVIAL)
allow_trivial = 0;
}
if (!remoteheads->next)
common = get_merge_bases(lookup_commit(head),
remoteheads->item, 1);
else {
struct commit_list *list = remoteheads;
commit_list_insert(lookup_commit(head), &list);
common = get_octopus_merge_bases(list);
free(list);
}
update_ref("updating ORIG_HEAD", "ORIG_HEAD", head, NULL, 0,
DIE_ON_ERR);
if (!common)
; /* No common ancestors found. We need a real merge. */
else if (!remoteheads->next && !common->next &&
common->item == remoteheads->item) {
/*
* If head can reach all the merge then we are up to date.
* but first the most common case of merging one remote.
*/
finish_up_to_date("Already up-to-date.");
return 0;
} else if (allow_fast_forward && !remoteheads->next &&
!common->next &&
!hashcmp(common->item->object.sha1, head)) {
/* Again the most common case of merging one remote. */
struct strbuf msg = STRBUF_INIT;
struct object *o;
char hex[41];
strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV));
if (verbosity >= 0)
printf("Updating %s..%s\n",
hex,
find_unique_abbrev(remoteheads->item->object.sha1,
DEFAULT_ABBREV));
strbuf_addstr(&msg, "Fast-forward");
if (have_message)
strbuf_addstr(&msg,
" (no commit created; -m option ignored)");
o = peel_to_type(sha1_to_hex(remoteheads->item->object.sha1),
0, NULL, OBJ_COMMIT);
if (!o)
return 1;
if (checkout_fast_forward(head, remoteheads->item->object.sha1))
return 1;
finish(o->sha1, msg.buf);
drop_save();
return 0;
} else if (!remoteheads->next && common->next)
;
/*
* We are not doing octopus and not fast-forward. Need
* a real merge.
*/
else if (!remoteheads->next && !common->next && option_commit) {
/*
* We are not doing octopus, not fast-forward, and have
* only one common.
*/
refresh_cache(REFRESH_QUIET);
if (allow_trivial && !fast_forward_only) {
/* See if it is really trivial. */
git_committer_info(IDENT_ERROR_ON_NO_NAME);
printf("Trying really trivial in-index merge...\n");
if (!read_tree_trivial(common->item->object.sha1,
head, remoteheads->item->object.sha1))
return merge_trivial();
printf("Nope.\n");
}
} else {
/*
* An octopus. If we can reach all the remote we are up
* to date.
*/
int up_to_date = 1;
struct commit_list *j;
for (j = remoteheads; j; j = j->next) {
struct commit_list *common_one;
/*
* Here we *have* to calculate the individual
* merge_bases again, otherwise "git merge HEAD^
* HEAD^^" would be missed.
*/
common_one = get_merge_bases(lookup_commit(head),
j->item, 1);
if (hashcmp(common_one->item->object.sha1,
j->item->object.sha1)) {
up_to_date = 0;
break;
}
}
if (up_to_date) {
finish_up_to_date("Already up-to-date. Yeeah!");
return 0;
}
}
if (fast_forward_only)
die("Not possible to fast-forward, aborting.");
/* We are going to make a new commit. */
git_committer_info(IDENT_ERROR_ON_NO_NAME);
/*
* At this point, we need a real merge. No matter what strategy
* we use, it would operate on the index, possibly affecting the
* working tree, and when resolved cleanly, have the desired
* tree in the index -- this means that the index must be in
* sync with the head commit. The strategies are responsible
* to ensure this.
*/
if (use_strategies_nr != 1) {
/*
* Stash away the local changes so that we can try more
* than one.
*/
save_state();
} else {
memcpy(stash, null_sha1, 20);
}
for (i = 0; i < use_strategies_nr; i++) {
int ret;
if (i) {
printf("Rewinding the tree to pristine...\n");
restore_state();
}
if (use_strategies_nr != 1)
printf("Trying merge strategy %s...\n",
use_strategies[i]->name);
/*
* Remember which strategy left the state in the working
* tree.
*/
wt_strategy = use_strategies[i]->name;
ret = try_merge_strategy(use_strategies[i]->name,
common, head_arg);
if (!option_commit && !ret) {
merge_was_ok = 1;
/*
* This is necessary here just to avoid writing
* the tree, but later we will *not* exit with
* status code 1 because merge_was_ok is set.
*/
ret = 1;
}
if (ret) {
/*
* The backend exits with 1 when conflicts are
* left to be resolved, with 2 when it does not
* handle the given merge at all.
*/
if (ret == 1) {
int cnt = evaluate_result();
if (best_cnt <= 0 || cnt <= best_cnt) {
best_strategy = use_strategies[i]->name;
best_cnt = cnt;
}
}
if (merge_was_ok)
break;
else
continue;
}
/* Automerge succeeded. */
write_tree_trivial(result_tree);
automerge_was_ok = 1;
break;
}
/*
* If we have a resulting tree, that means the strategy module
* auto resolved the merge cleanly.
*/
if (automerge_was_ok)
return finish_automerge(common, result_tree, wt_strategy);
/*
* Pick the result from the best strategy and have the user fix
* it up.
*/
if (!best_strategy) {
restore_state();
if (use_strategies_nr > 1)
fprintf(stderr,
"No merge strategy handled the merge.\n");
else
fprintf(stderr, "Merge with strategy %s failed.\n",
use_strategies[0]->name);
return 2;
} else if (best_strategy == wt_strategy)
; /* We already have its result in the working tree. */
else {
printf("Rewinding the tree to pristine...\n");
restore_state();
printf("Using the %s to prepare resolving by hand.\n",
best_strategy);
try_merge_strategy(best_strategy, common, head_arg);
}
if (squash)
finish(NULL, NULL);
else {
int fd;
struct commit_list *j;
for (j = remoteheads; j; j = j->next)
strbuf_addf(&buf, "%s\n",
sha1_to_hex(j->item->object.sha1));
fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("MERGE_HEAD"));
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
die_errno("Could not write to '%s'", git_path("MERGE_HEAD"));
close(fd);
strbuf_addch(&merge_msg, '\n');
fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("MERGE_MSG"));
if (write_in_full(fd, merge_msg.buf, merge_msg.len) !=
merge_msg.len)
die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
close(fd);
fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("MERGE_MODE"));
strbuf_reset(&buf);
if (!allow_fast_forward)
strbuf_addf(&buf, "no-ff");
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
die_errno("Could not write to '%s'", git_path("MERGE_MODE"));
close(fd);
}
if (merge_was_ok) {
fprintf(stderr, "Automatic merge went well; "
"stopped before committing as requested\n");
return 0;
} else
return suggest_conflicts();
}
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
struct stat buf;
const char *repo_name, *repo, *work_tree, *git_dir;
char *path, *dir;
int dest_exists;
const struct ref *refs, *remote_head;
const struct ref *remote_head_points_at;
const struct ref *our_head_points_at;
struct ref *mapped_refs;
const struct ref *ref;
struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
struct transport *transport = NULL;
const char *src_ref_prefix = "refs/heads/";
struct remote *remote;
int err = 0, complete_refs_before_fetch = 1;
struct refspec *refspec;
const char *fetch_pattern;
junk_pid = getpid();
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
if (argc > 2)
usage_msg_opt(_("Too many arguments."),
builtin_clone_usage, builtin_clone_options);
if (argc == 0)
usage_msg_opt(_("You must specify a repository to clone."),
builtin_clone_usage, builtin_clone_options);
if (option_single_branch == -1)
option_single_branch = option_depth ? 1 : 0;
if (option_mirror)
option_bare = 1;
if (option_bare) {
if (option_origin)
die(_("--bare and --origin %s options are incompatible."),
option_origin);
if (real_git_dir)
die(_("--bare and --separate-git-dir are incompatible."));
option_no_checkout = 1;
}
if (!option_origin)
option_origin = "origin";
repo_name = argv[0];
path = get_repo_path(repo_name, &is_bundle);
if (path)
repo = xstrdup(absolute_path(repo_name));
else if (!strchr(repo_name, ':'))
die(_("repository '%s' does not exist"), repo_name);
else
repo = repo_name;
is_local = option_local != 0 && path && !is_bundle;
if (is_local && option_depth)
warning(_("--depth is ignored in local clones; use file:// instead."));
if (option_local > 0 && !is_local)
warning(_("--local is ignored"));
if (argc == 2)
dir = xstrdup(argv[1]);
else
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
dest_exists = !stat(dir, &buf);
if (dest_exists && !is_empty_dir(dir))
die(_("destination path '%s' already exists and is not "
"an empty directory."), dir);
strbuf_addf(&reflog_msg, "clone: from %s", repo);
if (option_bare)
work_tree = NULL;
else {
work_tree = getenv("GIT_WORK_TREE");
if (work_tree && !stat(work_tree, &buf))
die(_("working tree '%s' already exists."), work_tree);
}
if (option_bare || work_tree)
git_dir = xstrdup(dir);
else {
work_tree = dir;
git_dir = mkpathdup("%s/.git", dir);
}
if (!option_bare) {
junk_work_tree = work_tree;
if (safe_create_leading_directories_const(work_tree) < 0)
die_errno(_("could not create leading directories of '%s'"),
work_tree);
if (!dest_exists && mkdir(work_tree, 0777))
die_errno(_("could not create work tree dir '%s'."),
work_tree);
set_git_work_tree(work_tree);
}
junk_git_dir = git_dir;
atexit(remove_junk);
sigchain_push_common(remove_junk_on_signal);
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
set_git_dir_init(git_dir, real_git_dir, 0);
if (real_git_dir) {
git_dir = real_git_dir;
junk_git_dir = real_git_dir;
}
if (0 <= option_verbosity) {
if (option_bare)
printf(_("Cloning into bare repository '%s'...\n"), dir);
else
printf(_("Cloning into '%s'...\n"), dir);
}
init_db(option_template, INIT_DB_QUIET);
write_config(&option_config);
git_config(git_default_config, NULL);
if (option_bare) {
if (option_mirror)
src_ref_prefix = "refs/";
strbuf_addstr(&branch_top, src_ref_prefix);
git_config_set("core.bare", "true");
} else {
strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
}
strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);
strbuf_addf(&key, "remote.%s.url", option_origin);
git_config_set(key.buf, repo);
strbuf_reset(&key);
if (option_reference.nr)
setup_reference();
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);
strbuf_reset(&value);
remote = remote_get(option_origin);
transport = transport_get(remote, remote->url[0]);
if (!is_local) {
if (!transport->get_refs_list || !transport->fetch)
die(_("Don't know how to clone %s"), transport->url);
transport_set_option(transport, TRANS_OPT_KEEP, "yes");
if (option_depth)
transport_set_option(transport, TRANS_OPT_DEPTH,
option_depth);
if (option_single_branch)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
transport_set_verbosity(transport, option_verbosity, option_progress);
if (option_upload_pack)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
if (transport->smart_options && !option_depth)
transport->smart_options->check_self_contained_and_connected = 1;
}
refs = transport_get_remote_refs(transport);
if (refs) {
mapped_refs = wanted_peer_refs(refs, refspec);
/*
* transport_get_remote_refs() may return refs with null sha-1
* in mapped_refs (see struct transport->get_refs_list
* comment). In that case we need fetch it early because
* remote_head code below relies on it.
*
* for normal clones, transport_get_remote_refs() should
* return reliable ref set, we can delay cloning until after
* remote HEAD check.
*/
for (ref = refs; ref; ref = ref->next)
if (is_null_sha1(ref->old_sha1)) {
complete_refs_before_fetch = 0;
break;
}
if (!is_local && !complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
remote_head = find_ref_by_name(refs, "HEAD");
remote_head_points_at =
guess_remote_head(remote_head, mapped_refs, 0);
if (option_branch) {
our_head_points_at =
find_remote_branch(mapped_refs, option_branch);
if (!our_head_points_at)
die(_("Remote branch %s not found in upstream %s"),
option_branch, option_origin);
}
else
our_head_points_at = remote_head_points_at;
}
else {
warning(_("You appear to have cloned an empty repository."));
mapped_refs = NULL;
our_head_points_at = NULL;
remote_head_points_at = NULL;
remote_head = NULL;
option_no_checkout = 1;
if (!option_bare)
install_branch_config(0, "master", option_origin,
"refs/heads/master");
}
write_refspec_config(src_ref_prefix, our_head_points_at,
remote_head_points_at, &branch_top);
if (is_local)
clone_local(path, git_dir);
else if (refs && complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
update_remote_refs(refs, mapped_refs, remote_head_points_at,
branch_top.buf, reflog_msg.buf, transport);
update_head(our_head_points_at, remote_head, reflog_msg.buf);
transport_unlock_pack(transport);
transport_disconnect(transport);
junk_mode = JUNK_LEAVE_REPO;
err = checkout();
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);
strbuf_release(&key);
strbuf_release(&value);
junk_mode = JUNK_LEAVE_ALL;
return err;
}
int chk_positive(int result, char *msg)
{
if (result <= 0)
die_errno("%s", msg);
return result;
}
static int cmd_import(const char *line)
{
int code;
int dumpin_fd;
char *note_msg;
struct object_id head_oid;
unsigned int startrev;
struct child_process svndump_proc = CHILD_PROCESS_INIT;
const char *command = "svnrdump";
if (read_ref(private_ref, &head_oid))
startrev = 0;
else {
note_msg = read_ref_note(&head_oid);
if(note_msg == NULL) {
warning("No note found for %s.", private_ref);
startrev = 0;
} else {
struct rev_note note = { 0 };
if (parse_rev_note(note_msg, ¬e))
die("Revision number couldn't be parsed from note.");
startrev = note.rev_nr + 1;
free(note_msg);
}
}
check_or_regenerate_marks(startrev - 1);
if (dump_from_file) {
dumpin_fd = open(url, O_RDONLY);
if(dumpin_fd < 0)
die_errno("Couldn't open svn dump file %s.", url);
} else {
svndump_proc.out = -1;
argv_array_push(&svndump_proc.args, command);
argv_array_push(&svndump_proc.args, "dump");
argv_array_push(&svndump_proc.args, url);
argv_array_pushf(&svndump_proc.args, "-r%u:HEAD", startrev);
code = start_command(&svndump_proc);
if (code)
die("Unable to start %s, code %d", command, code);
dumpin_fd = svndump_proc.out;
}
/* setup marks file import/export */
printf("feature import-marks-if-exists=%s\n"
"feature export-marks=%s\n", marksfilename, marksfilename);
svndump_init_fd(dumpin_fd, STDIN_FILENO);
svndump_read(url, private_ref, notes_ref);
svndump_deinit();
svndump_reset();
close(dumpin_fd);
if (!dump_from_file) {
code = finish_command(&svndump_proc);
if (code)
warning("%s, returned %d", command, code);
}
return 0;
}
int main(int argc, char *argv[]) {
unsigned int login = 0, usage = 0;
if (argc > 1) {
if (!strcmp(argv[1], "-l")) {
login = 1;
argv[1] = argv[0];
argv++;
argc--;
} else if (!strcmp(argv[1], "-v") ||
!strcmp(argv[1], "--version")) {
printf("%s version %s\n Supported OSes: %s\n",
argv[0], version, supported_oses);
exit(0);
} else if (*argv[1] == '-') {
warn("unknown option: %s", argv[1]);
usage = 2;
}
}
if (argc < 2)
usage = 1;
if (usage)
die(usage, "usage: %s [-l] <program> [args...]\n%s", argv[0], usage_msg);
unsigned int os = 0;
struct utsname u;
if (uname(&u)) {
warn_errno("uname failed");
goto reattach_failed;
}
if (strcmp(u.sysname, "Darwin")) {
warn("unsupported OS sysname: %s", u.sysname);
goto reattach_failed;
}
char *rest, *whole = strdup(u.release);
if (!whole) {
warn_errno("strdup failed");
goto reattach_failed;
}
rest = whole;
strsep(&rest, ".");
if (whole && *whole && whole != rest) {
int major = atoi(whole);
os = 100000; /* 10.1, 10.0 and prior betas/previews */
if (major >= 6) /* 10.2 and newer */
os += (major-4) * 100;
}
else
warn("unparsable major release number: '%s'", u.release);
free(whole);
/*
* change the 'os' variable to represent the "reattach variation"
* instead of the major OS release
*
* older => 100500 with warning
* 10.5 => 100500
* 10.6 => 100600
* 10.7 => 100600
* 10.8 => 100600
* 10.9 => 100600
* 10.10=> 101000
* 10.11=> 101000
* 10.12=> 101000
* newer => 101000 with warning
*/
if (100600 <= os && os <= 100900)
os = 100600;
else if (101000 <= os && os <= 101200)
os = 101000;
else if (os < 100500) {
warn("%s: unsupported old OS, trying as if it were 10.5", argv[0]);
os = 100500;
} else if (os > 101200) {
warn("%s: unsupported new OS, trying as if it were 10.10", argv[0]);
os = 101000;
}
if (move_to_user_namespace(os) != 0) {
reattach_failed:
warn("%s: unable to reattach", argv[0]);
}
char **newargs = NULL;
const char *file = argv[1];
if (login) {
/*
* For their argv[0], take the bit of file after the
* last slash (the whole thing if there is no slash
* or if that bit would be zero length) and prefix
* it with '-'.
*/
char *arg0 = malloc(strlen(file) + 2);
if (!arg0)
goto exec_it;
*arg0 = '-';
char *slash = strrchr(file, '/');
if (slash && slash[1])
strcpy(arg0+1, slash+1);
else
strcpy(arg0+1, file);
/* use the rest of the args as they are */
newargs = malloc(sizeof(*newargs) * (argc));
if (!newargs) {
free(arg0);
goto exec_it;
}
newargs[0] = arg0;
int arg = 2;
for(; arg < argc; arg++)
newargs[arg-1] = argv[arg];
newargs[arg-1] = NULL;
}
exec_it:
if (execvp(file, newargs ? newargs : argv+1) < 0)
die_errno(3, "%s: execv failed", argv[0]);
if (newargs) {
free(newargs[0]);
free(newargs);
}
return 0;
}
int main(int argc, char **argv)
{
char *prog;
struct commands *cmd;
int devnull_fd;
/*
* Always open file descriptors 0/1/2 to avoid clobbering files
* in die(). It also avoids not messing up when the pipes are
* dup'ed onto stdin/stdout/stderr in the child processes we spawn.
*/
devnull_fd = open("/dev/null", O_RDWR);
while (devnull_fd >= 0 && devnull_fd <= 2)
devnull_fd = dup(devnull_fd);
if (devnull_fd == -1)
die_errno("opening /dev/null failed");
close (devnull_fd);
/*
* Special hack to pretend to be a CVS server
*/
if (argc == 2 && !strcmp(argv[1], "cvs server"))
argv--;
/*
* We do not accept anything but "-c" followed by "cmd arg",
* where "cmd" is a very limited subset of git commands.
*/
else if (argc != 3 || strcmp(argv[1], "-c")) {
if (chdir(COMMAND_DIR))
die("Sorry, the interactive git-shell is not enabled");
for (;;) {
prog = readline("git> ");
if (prog == NULL) {
printf("\n");
exit(0);
} else if (!strcmp(prog, "quit") || !strcmp(prog, "logout") ||
!strcmp(prog, "exit")) {
exit(0);
} else if (!strcmp(prog, "")) {
} else if (is_valid_cmd_name(prog)) {
run(prog);
add_history(prog);
} else {
printf("invalid command format '%s'\n", prog);
}
free(prog);
};
}
prog = argv[2];
if (!strncmp(prog, "git", 3) && isspace(prog[3]))
/* Accept "git foo" as if the caller said "git-foo". */
prog[3] = '-';
for (cmd = cmd_list ; cmd->name ; cmd++) {
int len = strlen(cmd->name);
char *arg;
if (strncmp(cmd->name, prog, len))
continue;
arg = NULL;
switch (prog[len]) {
case '\0':
arg = NULL;
break;
case ' ':
arg = prog + len + 1;
break;
default:
continue;
}
exit(cmd->exec(cmd->name, arg));
}
if (chdir(COMMAND_DIR))
die("unrecognized command '%s'", prog);
if (is_valid_cmd_name(prog))
execl(prog, prog, (char *) NULL);
die("unrecognized command '%s'", prog);
}
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
struct stat buf;
const char *repo_name, *repo, *work_tree, *git_dir;
char *path, *dir;
int dest_exists;
const struct ref *refs, *remote_head;
const struct ref *remote_head_points_at;
const struct ref *our_head_points_at;
struct ref *mapped_refs;
const struct ref *ref;
struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
struct transport *transport = NULL;
const char *src_ref_prefix = "refs/heads/";
struct remote *remote;
int err = 0, complete_refs_before_fetch = 1;
int submodule_progress;
struct refspec *refspec;
const char *fetch_pattern;
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
if (argc > 2)
usage_msg_opt(_("Too many arguments."),
builtin_clone_usage, builtin_clone_options);
if (argc == 0)
usage_msg_opt(_("You must specify a repository to clone."),
builtin_clone_usage, builtin_clone_options);
if (option_depth || option_since || option_not.nr)
deepen = 1;
if (option_single_branch == -1)
option_single_branch = deepen ? 1 : 0;
if (option_mirror)
option_bare = 1;
if (option_bare) {
if (option_origin)
die(_("--bare and --origin %s options are incompatible."),
option_origin);
if (real_git_dir)
die(_("--bare and --separate-git-dir are incompatible."));
option_no_checkout = 1;
}
if (!option_origin)
option_origin = "origin";
repo_name = argv[0];
path = get_repo_path(repo_name, &is_bundle);
if (path)
repo = xstrdup(absolute_path(repo_name));
else if (!strchr(repo_name, ':'))
die(_("repository '%s' does not exist"), repo_name);
else
repo = repo_name;
/* no need to be strict, transport_set_option() will validate it again */
if (option_depth && atoi(option_depth) < 1)
die(_("depth %s is not a positive number"), option_depth);
if (argc == 2)
dir = xstrdup(argv[1]);
else
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
dest_exists = !stat(dir, &buf);
if (dest_exists && !is_empty_dir(dir))
die(_("destination path '%s' already exists and is not "
"an empty directory."), dir);
strbuf_addf(&reflog_msg, "clone: from %s", repo);
if (option_bare)
work_tree = NULL;
else {
work_tree = getenv("GIT_WORK_TREE");
if (work_tree && !stat(work_tree, &buf))
die(_("working tree '%s' already exists."), work_tree);
}
if (option_bare || work_tree)
git_dir = xstrdup(dir);
else {
work_tree = dir;
git_dir = mkpathdup("%s/.git", dir);
}
atexit(remove_junk);
sigchain_push_common(remove_junk_on_signal);
if (!option_bare) {
if (safe_create_leading_directories_const(work_tree) < 0)
die_errno(_("could not create leading directories of '%s'"),
work_tree);
if (!dest_exists && mkdir(work_tree, 0777))
die_errno(_("could not create work tree dir '%s'"),
work_tree);
junk_work_tree = work_tree;
set_git_work_tree(work_tree);
}
junk_git_dir = real_git_dir ? real_git_dir : git_dir;
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
if (0 <= option_verbosity) {
if (option_bare)
fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir);
else
fprintf(stderr, _("Cloning into '%s'...\n"), dir);
}
if (option_recursive) {
if (option_required_reference.nr &&
option_optional_reference.nr)
die(_("clone --recursive is not compatible with "
"both --reference and --reference-if-able"));
else if (option_required_reference.nr) {
string_list_append(&option_config,
"submodule.alternateLocation=superproject");
string_list_append(&option_config,
"submodule.alternateErrorStrategy=die");
} else if (option_optional_reference.nr) {
string_list_append(&option_config,
"submodule.alternateLocation=superproject");
string_list_append(&option_config,
"submodule.alternateErrorStrategy=info");
}
}
init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET);
if (real_git_dir)
git_dir = real_git_dir;
write_config(&option_config);
git_config(git_default_config, NULL);
if (option_bare) {
if (option_mirror)
src_ref_prefix = "refs/";
strbuf_addstr(&branch_top, src_ref_prefix);
git_config_set("core.bare", "true");
} else {
strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
}
strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);
strbuf_addf(&key, "remote.%s.url", option_origin);
git_config_set(key.buf, repo);
strbuf_reset(&key);
if (option_required_reference.nr || option_optional_reference.nr)
setup_reference();
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);
strbuf_reset(&value);
remote = remote_get(option_origin);
transport = transport_get(remote, remote->url[0]);
transport_set_verbosity(transport, option_verbosity, option_progress);
transport->family = family;
path = get_repo_path(remote->url[0], &is_bundle);
is_local = option_local != 0 && path && !is_bundle;
if (is_local) {
if (option_depth)
warning(_("--depth is ignored in local clones; use file:// instead."));
if (option_since)
warning(_("--shallow-since is ignored in local clones; use file:// instead."));
if (option_not.nr)
warning(_("--shallow-exclude is ignored in local clones; use file:// instead."));
if (!access(mkpath("%s/shallow", path), F_OK)) {
if (option_local > 0)
warning(_("source repository is shallow, ignoring --local"));
is_local = 0;
}
}
if (option_local > 0 && !is_local)
warning(_("--local is ignored"));
transport->cloning = 1;
if (!transport->get_refs_list || (!is_local && !transport->fetch))
die(_("Don't know how to clone %s"), transport->url);
transport_set_option(transport, TRANS_OPT_KEEP, "yes");
if (option_depth)
transport_set_option(transport, TRANS_OPT_DEPTH,
option_depth);
if (option_since)
transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE,
option_since);
if (option_not.nr)
transport_set_option(transport, TRANS_OPT_DEEPEN_NOT,
(const char *)&option_not);
if (option_single_branch)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
if (option_upload_pack)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
if (transport->smart_options && !deepen)
transport->smart_options->check_self_contained_and_connected = 1;
refs = transport_get_remote_refs(transport);
if (refs) {
mapped_refs = wanted_peer_refs(refs, refspec);
/*
* transport_get_remote_refs() may return refs with null sha-1
* in mapped_refs (see struct transport->get_refs_list
* comment). In that case we need fetch it early because
* remote_head code below relies on it.
*
* for normal clones, transport_get_remote_refs() should
* return reliable ref set, we can delay cloning until after
* remote HEAD check.
*/
for (ref = refs; ref; ref = ref->next)
if (is_null_oid(&ref->old_oid)) {
complete_refs_before_fetch = 0;
break;
}
if (!is_local && !complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
remote_head = find_ref_by_name(refs, "HEAD");
remote_head_points_at =
guess_remote_head(remote_head, mapped_refs, 0);
if (option_branch) {
our_head_points_at =
find_remote_branch(mapped_refs, option_branch);
if (!our_head_points_at)
die(_("Remote branch %s not found in upstream %s"),
option_branch, option_origin);
}
else
our_head_points_at = remote_head_points_at;
}
else {
if (option_branch)
die(_("Remote branch %s not found in upstream %s"),
option_branch, option_origin);
warning(_("You appear to have cloned an empty repository."));
mapped_refs = NULL;
our_head_points_at = NULL;
remote_head_points_at = NULL;
remote_head = NULL;
option_no_checkout = 1;
if (!option_bare)
install_branch_config(0, "master", option_origin,
"refs/heads/master");
}
write_refspec_config(src_ref_prefix, our_head_points_at,
remote_head_points_at, &branch_top);
if (is_local)
clone_local(path, git_dir);
else if (refs && complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
update_remote_refs(refs, mapped_refs, remote_head_points_at,
branch_top.buf, reflog_msg.buf, transport, !is_local);
update_head(our_head_points_at, remote_head, reflog_msg.buf);
/*
* We want to show progress for recursive submodule clones iff
* we did so for the main clone. But only the transport knows
* the final decision for this flag, so we need to rescue the value
* before we free the transport.
*/
submodule_progress = transport->progress;
transport_unlock_pack(transport);
transport_disconnect(transport);
if (option_dissociate) {
close_all_packs();
dissociate_from_references();
}
junk_mode = JUNK_LEAVE_REPO;
err = checkout(submodule_progress);
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);
strbuf_release(&key);
strbuf_release(&value);
junk_mode = JUNK_LEAVE_ALL;
free(refspec);
return err;
}
int start_command(struct child_process *cmd)
{
int need_in, need_out, need_err;
int fdin[2], fdout[2], fderr[2];
int failed_errno = failed_errno;
/*
* In case of errors we must keep the promise to close FDs
* that have been passed in via ->in and ->out.
*/
need_in = !cmd->no_stdin && cmd->in < 0;
if (need_in) {
if (pipe(fdin) < 0) {
failed_errno = errno;
if (cmd->out > 0)
close(cmd->out);
goto fail_pipe;
}
cmd->in = fdin[1];
}
need_out = !cmd->no_stdout
&& !cmd->stdout_to_stderr
&& cmd->out < 0;
if (need_out) {
if (pipe(fdout) < 0) {
failed_errno = errno;
if (need_in)
close_pair(fdin);
else if (cmd->in)
close(cmd->in);
goto fail_pipe;
}
cmd->out = fdout[0];
}
need_err = !cmd->no_stderr && cmd->err < 0;
if (need_err) {
if (pipe(fderr) < 0) {
failed_errno = errno;
if (need_in)
close_pair(fdin);
else if (cmd->in)
close(cmd->in);
if (need_out)
close_pair(fdout);
else if (cmd->out)
close(cmd->out);
fail_pipe:
error("cannot create pipe for %s: %s",
cmd->argv[0], strerror(failed_errno));
errno = failed_errno;
return -1;
}
cmd->err = fderr[0];
}
trace_argv_printf(cmd->argv, "trace: run_command:");
#ifndef WIN32
{
int notify_pipe[2];
if (pipe(notify_pipe))
notify_pipe[0] = notify_pipe[1] = -1;
fflush(NULL);
cmd->pid = fork();
if (!cmd->pid) {
/*
* Redirect the channel to write syscall error messages to
* before redirecting the process's stderr so that all die()
* in subsequent call paths use the parent's stderr.
*/
if (cmd->no_stderr || need_err) {
child_err = dup(2);
set_cloexec(child_err);
}
set_die_routine(die_child);
close(notify_pipe[0]);
set_cloexec(notify_pipe[1]);
child_notifier = notify_pipe[1];
atexit(notify_parent);
if (cmd->no_stdin)
dup_devnull(0);
else if (need_in) {
dup2(fdin[0], 0);
close_pair(fdin);
} else if (cmd->in) {
dup2(cmd->in, 0);
close(cmd->in);
}
if (cmd->no_stderr)
dup_devnull(2);
else if (need_err) {
dup2(fderr[1], 2);
close_pair(fderr);
} else if (cmd->err > 1) {
dup2(cmd->err, 2);
close(cmd->err);
}
if (cmd->no_stdout)
dup_devnull(1);
else if (cmd->stdout_to_stderr)
dup2(2, 1);
else if (need_out) {
dup2(fdout[1], 1);
close_pair(fdout);
} else if (cmd->out > 1) {
dup2(cmd->out, 1);
close(cmd->out);
}
if (cmd->dir && chdir(cmd->dir))
die_errno("exec '%s': cd to '%s' failed", cmd->argv[0],
cmd->dir);
if (cmd->env) {
for (; *cmd->env; cmd->env++) {
if (strchr(*cmd->env, '='))
putenv((char *)*cmd->env);
else
unsetenv(*cmd->env);
}
}
if (cmd->preexec_cb) {
/*
* We cannot predict what the pre-exec callback does.
* Forgo parent notification.
*/
close(child_notifier);
child_notifier = -1;
cmd->preexec_cb();
}
if (cmd->git_cmd) {
execv_git_cmd(cmd->argv);
} else if (cmd->use_shell) {
execv_shell_cmd(cmd->argv);
} else {
execvp(cmd->argv[0], (char *const*) cmd->argv);
}
/*
* Do not check for cmd->silent_exec_failure; the parent
* process will check it when it sees this exit code.
*/
if (errno == ENOENT)
exit(127);
else
die_errno("cannot exec '%s'", cmd->argv[0]);
}
if (cmd->pid < 0)
error("cannot fork() for %s: %s", cmd->argv[0],
strerror(failed_errno = errno));
/*
* Wait for child's execvp. If the execvp succeeds (or if fork()
* failed), EOF is seen immediately by the parent. Otherwise, the
* child process sends a single byte.
* Note that use of this infrastructure is completely advisory,
* therefore, we keep error checks minimal.
*/
close(notify_pipe[1]);
if (read(notify_pipe[0], ¬ify_pipe[1], 1) == 1) {
/*
* At this point we know that fork() succeeded, but execvp()
* failed. Errors have been reported to our stderr.
*/
wait_or_whine(cmd->pid, cmd->argv[0],
cmd->silent_exec_failure);
failed_errno = errno;
cmd->pid = -1;
}
close(notify_pipe[0]);
}
#else
{
int fhin = 0, fhout = 1, fherr = 2;
const char **sargv = cmd->argv;
char **env = environ;
if (cmd->no_stdin)
fhin = open("/dev/null", O_RDWR);
else if (need_in)
fhin = dup(fdin[0]);
else if (cmd->in)
fhin = dup(cmd->in);
if (cmd->no_stderr)
fherr = open("/dev/null", O_RDWR);
else if (need_err)
fherr = dup(fderr[1]);
else if (cmd->err > 2)
fherr = dup(cmd->err);
if (cmd->no_stdout)
fhout = open("/dev/null", O_RDWR);
else if (cmd->stdout_to_stderr)
fhout = dup(fherr);
else if (need_out)
fhout = dup(fdout[1]);
else if (cmd->out > 1)
fhout = dup(cmd->out);
if (cmd->env)
env = make_augmented_environ(cmd->env);
if (cmd->git_cmd) {
cmd->argv = prepare_git_cmd(cmd->argv);
} else if (cmd->use_shell) {
cmd->argv = prepare_shell_cmd(cmd->argv);
}
cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env, cmd->dir,
fhin, fhout, fherr);
failed_errno = errno;
if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT))
error("cannot spawn %s: %s", cmd->argv[0], strerror(errno));
if (cmd->env)
free_environ(env);
if (cmd->git_cmd)
free(cmd->argv);
cmd->argv = sargv;
if (fhin != 0)
close(fhin);
if (fhout != 1)
close(fhout);
if (fherr != 2)
close(fherr);
}
#endif
if (cmd->pid < 0) {
if (need_in)
close_pair(fdin);
else if (cmd->in)
close(cmd->in);
if (need_out)
close_pair(fdout);
else if (cmd->out)
close(cmd->out);
if (need_err)
close_pair(fderr);
else if (cmd->err)
close(cmd->err);
errno = failed_errno;
return -1;
}
if (need_in)
close(fdin[0]);
else if (cmd->in)
close(cmd->in);
if (need_out)
close(fdout[1]);
else if (cmd->out)
close(cmd->out);
if (need_err)
close(fderr[1]);
else if (cmd->err)
close(cmd->err);
return 0;
}
int cmd_mv(int argc, const char **argv, const char *prefix)
{
int i, newfd, gitmodules_modified = 0;
int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
struct option builtin_mv_options[] = {
OPT__VERBOSE(&verbose, N_("be verbose")),
OPT__DRY_RUN(&show_only, N_("dry run")),
OPT__FORCE(&force, N_("force move/rename even if target exists")),
OPT_BOOL('k', NULL, &ignore_errors, N_("skip move/rename errors")),
OPT_END(),
};
const char **source, **destination, **dest_path, **submodule_gitfile;
enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
struct stat st;
struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
gitmodules_config();
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, builtin_mv_options,
builtin_mv_usage, 0);
if (--argc < 1)
usage_with_options(builtin_mv_usage, builtin_mv_options);
newfd = hold_locked_index(&lock_file, 1);
if (read_cache() < 0)
die(_("index file corrupt"));
source = internal_copy_pathspec(prefix, argv, argc, 0);
modes = xcalloc(argc, sizeof(enum update_mode));
/*
* Keep trailing slash, needed to let
* "git mv file no-such-dir/" error out.
*/
dest_path = internal_copy_pathspec(prefix, argv + argc, 1,
KEEP_TRAILING_SLASH);
submodule_gitfile = xcalloc(argc, sizeof(char *));
if (dest_path[0][0] == '\0')
/* special case: "." was normalized to "" */
destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
else if (!lstat(dest_path[0], &st) &&
S_ISDIR(st.st_mode)) {
dest_path[0] = add_slash(dest_path[0]);
destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
} else {
if (argc != 1)
die("destination '%s' is not a directory", dest_path[0]);
destination = dest_path;
}
/* Checking */
for (i = 0; i < argc; i++) {
const char *src = source[i], *dst = destination[i];
int length, src_is_dir;
const char *bad = NULL;
if (show_only)
printf(_("Checking rename of '%s' to '%s'\n"), src, dst);
length = strlen(src);
if (lstat(src, &st) < 0)
bad = _("bad source");
else if (!strncmp(src, dst, length) &&
(dst[length] == 0 || dst[length] == '/')) {
bad = _("can not move directory into itself");
} else if ((src_is_dir = S_ISDIR(st.st_mode))
&& lstat(dst, &st) == 0)
bad = _("cannot move directory over file");
else if (src_is_dir) {
int first = cache_name_pos(src, length);
if (first >= 0) {
struct strbuf submodule_dotgit = STRBUF_INIT;
if (!S_ISGITLINK(active_cache[first]->ce_mode))
die (_("Huh? Directory %s is in index and no submodule?"), src);
if (!is_staging_gitmodules_ok())
die (_("Please, stage your changes to .gitmodules or stash them to proceed"));
strbuf_addf(&submodule_dotgit, "%s/.git", src);
submodule_gitfile[i] = read_gitfile(submodule_dotgit.buf);
if (submodule_gitfile[i])
submodule_gitfile[i] = xstrdup(submodule_gitfile[i]);
else
submodule_gitfile[i] = SUBMODULE_WITH_GITDIR;
strbuf_release(&submodule_dotgit);
} else {
const char *src_w_slash = add_slash(src);
int last, len_w_slash = length + 1;
modes[i] = WORKING_DIRECTORY;
first = cache_name_pos(src_w_slash, len_w_slash);
if (first >= 0)
die (_("Huh? %.*s is in index?"),
len_w_slash, src_w_slash);
first = -1 - first;
for (last = first; last < active_nr; last++) {
const char *path = active_cache[last]->name;
if (strncmp(path, src_w_slash, len_w_slash))
break;
}
free((char *)src_w_slash);
if (last - first < 1)
bad = _("source directory is empty");
else {
int j, dst_len;
if (last - first > 0) {
source = xrealloc(source,
(argc + last - first)
* sizeof(char *));
destination = xrealloc(destination,
(argc + last - first)
* sizeof(char *));
modes = xrealloc(modes,
(argc + last - first)
* sizeof(enum update_mode));
submodule_gitfile = xrealloc(submodule_gitfile,
(argc + last - first)
* sizeof(char *));
}
dst = add_slash(dst);
dst_len = strlen(dst);
for (j = 0; j < last - first; j++) {
const char *path =
active_cache[first + j]->name;
source[argc + j] = path;
destination[argc + j] =
prefix_path(dst, dst_len,
path + length + 1);
modes[argc + j] = INDEX;
submodule_gitfile[argc + j] = NULL;
}
argc += last - first;
}
}
} else if (cache_name_pos(src, length) < 0)
bad = _("not under version control");
else if (lstat(dst, &st) == 0) {
bad = _("destination exists");
if (force) {
/*
* only files can overwrite each other:
* check both source and destination
*/
if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
if (verbose)
warning(_("overwriting '%s'"), dst);
bad = NULL;
} else
bad = _("Cannot overwrite");
}
} else if (string_list_has_string(&src_for_dst, dst))
bad = _("multiple sources for the same target");
else if (is_dir_sep(dst[strlen(dst) - 1]))
bad = _("destination directory does not exist");
else
string_list_insert(&src_for_dst, dst);
if (bad) {
if (ignore_errors) {
if (--argc > 0) {
memmove(source + i, source + i + 1,
(argc - i) * sizeof(char *));
memmove(destination + i,
destination + i + 1,
(argc - i) * sizeof(char *));
memmove(modes + i, modes + i + 1,
(argc - i) * sizeof(enum update_mode));
memmove(submodule_gitfile + i,
submodule_gitfile + i + 1,
(argc - i) * sizeof(char *));
i--;
}
} else
die (_("%s, source=%s, destination=%s"),
bad, src, dst);
}
}
for (i = 0; i < argc; i++) {
const char *src = source[i], *dst = destination[i];
enum update_mode mode = modes[i];
int pos;
if (show_only || verbose)
printf(_("Renaming %s to %s\n"), src, dst);
if (!show_only && mode != INDEX) {
if (rename(src, dst) < 0 && !ignore_errors)
die_errno (_("renaming '%s' failed"), src);
if (submodule_gitfile[i]) {
if (submodule_gitfile[i] != SUBMODULE_WITH_GITDIR)
connect_work_tree_and_git_dir(dst, submodule_gitfile[i]);
if (!update_path_in_gitmodules(src, dst))
gitmodules_modified = 1;
}
}
if (mode == WORKING_DIRECTORY)
continue;
pos = cache_name_pos(src, strlen(src));
assert(pos >= 0);
if (!show_only)
rename_cache_entry_at(pos, dst);
}
if (gitmodules_modified)
stage_updated_gitmodules();
if (active_cache_changed) {
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(&lock_file))
die(_("Unable to write new index file"));
}
return 0;
}
int cmd_mv(int argc, const char **argv, const char *prefix)
{
int i, flags, gitmodules_modified = 0;
int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
struct option builtin_mv_options[] = {
OPT__VERBOSE(&verbose, N_("be verbose")),
OPT__DRY_RUN(&show_only, N_("dry run")),
OPT__FORCE(&force, N_("force move/rename even if target exists")),
OPT_BOOL('k', NULL, &ignore_errors, N_("skip move/rename errors")),
OPT_END(),
};
const char **source, **destination, **dest_path, **submodule_gitfile;
enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
struct stat st;
struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
gitmodules_config();
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, builtin_mv_options,
builtin_mv_usage, 0);
if (--argc < 1)
usage_with_options(builtin_mv_usage, builtin_mv_options);
hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
if (read_cache() < 0)
die(_("index file corrupt"));
source = internal_prefix_pathspec(prefix, argv, argc, 0);
modes = xcalloc(argc, sizeof(enum update_mode));
/*
* Keep trailing slash, needed to let
* "git mv file no-such-dir/" error out, except in the case
* "git mv directory no-such-dir/".
*/
flags = KEEP_TRAILING_SLASH;
if (argc == 1 && is_directory(argv[0]) && !is_directory(argv[1]))
flags = 0;
dest_path = internal_prefix_pathspec(prefix, argv + argc, 1, flags);
submodule_gitfile = xcalloc(argc, sizeof(char *));
if (dest_path[0][0] == '\0')
/* special case: "." was normalized to "" */
destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
else if (!lstat(dest_path[0], &st) &&
S_ISDIR(st.st_mode)) {
dest_path[0] = add_slash(dest_path[0]);
destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
} else {
if (argc != 1)
die(_("destination '%s' is not a directory"), dest_path[0]);
destination = dest_path;
}
/* Checking */
for (i = 0; i < argc; i++) {
const char *src = source[i], *dst = destination[i];
int length, src_is_dir;
const char *bad = NULL;
if (show_only)
printf(_("Checking rename of '%s' to '%s'\n"), src, dst);
length = strlen(src);
if (lstat(src, &st) < 0)
bad = _("bad source");
else if (!strncmp(src, dst, length) &&
(dst[length] == 0 || dst[length] == '/')) {
bad = _("can not move directory into itself");
} else if ((src_is_dir = S_ISDIR(st.st_mode))
&& lstat(dst, &st) == 0)
bad = _("cannot move directory over file");
else if (src_is_dir) {
int first = cache_name_pos(src, length), last;
if (first >= 0)
prepare_move_submodule(src, first,
submodule_gitfile + i);
else if (index_range_of_same_dir(src, length,
&first, &last) < 1)
bad = _("source directory is empty");
else { /* last - first >= 1 */
int j, dst_len, n;
modes[i] = WORKING_DIRECTORY;
n = argc + last - first;
REALLOC_ARRAY(source, n);
REALLOC_ARRAY(destination, n);
REALLOC_ARRAY(modes, n);
REALLOC_ARRAY(submodule_gitfile, n);
dst = add_slash(dst);
dst_len = strlen(dst);
for (j = 0; j < last - first; j++) {
const char *path = active_cache[first + j]->name;
source[argc + j] = path;
destination[argc + j] =
prefix_path(dst, dst_len, path + length + 1);
modes[argc + j] = INDEX;
submodule_gitfile[argc + j] = NULL;
}
argc += last - first;
}
} else if (cache_name_pos(src, length) < 0)
bad = _("not under version control");
else if (lstat(dst, &st) == 0 &&
(!ignore_case || strcasecmp(src, dst))) {
bad = _("destination exists");
if (force) {
/*
* only files can overwrite each other:
* check both source and destination
*/
if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
if (verbose)
warning(_("overwriting '%s'"), dst);
bad = NULL;
} else
bad = _("Cannot overwrite");
}
} else if (string_list_has_string(&src_for_dst, dst))
bad = _("multiple sources for the same target");
else if (is_dir_sep(dst[strlen(dst) - 1]))
bad = _("destination directory does not exist");
else
string_list_insert(&src_for_dst, dst);
if (!bad)
continue;
if (!ignore_errors)
die(_("%s, source=%s, destination=%s"),
bad, src, dst);
if (--argc > 0) {
int n = argc - i;
memmove(source + i, source + i + 1,
n * sizeof(char *));
memmove(destination + i, destination + i + 1,
n * sizeof(char *));
memmove(modes + i, modes + i + 1,
n * sizeof(enum update_mode));
memmove(submodule_gitfile + i, submodule_gitfile + i + 1,
n * sizeof(char *));
i--;
}
}
for (i = 0; i < argc; i++) {
const char *src = source[i], *dst = destination[i];
enum update_mode mode = modes[i];
int pos;
if (show_only || verbose)
printf(_("Renaming %s to %s\n"), src, dst);
if (show_only)
continue;
if (mode != INDEX && rename(src, dst) < 0) {
if (ignore_errors)
continue;
die_errno(_("renaming '%s' failed"), src);
}
if (submodule_gitfile[i]) {
if (submodule_gitfile[i] != SUBMODULE_WITH_GITDIR)
connect_work_tree_and_git_dir(dst, submodule_gitfile[i]);
if (!update_path_in_gitmodules(src, dst))
gitmodules_modified = 1;
}
if (mode == WORKING_DIRECTORY)
continue;
pos = cache_name_pos(src, strlen(src));
assert(pos >= 0);
if (!show_only)
rename_cache_entry_at(pos, dst);
}
if (gitmodules_modified)
stage_updated_gitmodules();
if (active_cache_changed &&
write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("Unable to write new index file"));
return 0;
}
static int handle_alias(int *argcp, const char ***argv)
{
int envchanged = 0, ret = 0, saved_errno = errno;
const char *subdir;
int count, option_count;
const char **new_argv;
const char *alias_command;
char *alias_string;
int unused_nongit;
subdir = setup_git_directory_gently(&unused_nongit);
alias_command = (*argv)[0];
alias_string = alias_lookup(alias_command);
if (alias_string) {
if (alias_string[0] == '!') {
commit_pager_choice();
if (*argcp > 1) {
struct strbuf buf;
strbuf_init(&buf, PATH_MAX);
strbuf_addstr(&buf, alias_string);
sq_quote_argv(&buf, (*argv) + 1, PATH_MAX);
free(alias_string);
alias_string = buf.buf;
}
trace_printf("trace: alias to shell cmd: %s => %s\n",
alias_command, alias_string + 1);
ret = system(alias_string + 1);
if (ret >= 0 && WIFEXITED(ret) &&
WEXITSTATUS(ret) != 127)
exit(WEXITSTATUS(ret));
die("Failed to run '%s' when expanding alias '%s'",
alias_string + 1, alias_command);
}
count = split_cmdline(alias_string, &new_argv);
if (count < 0)
die("Bad alias.%s string: %s", alias_command,
split_cmdline_strerror(count));
option_count = handle_options(&new_argv, &count, &envchanged);
if (envchanged)
die("alias '%s' changes environment variables\n"
"You can use '!git' in the alias to do this.",
alias_command);
memmove(new_argv - option_count, new_argv,
count * sizeof(char *));
new_argv -= option_count;
if (count < 1)
die("empty alias for %s", alias_command);
if (!strcmp(alias_command, new_argv[0]))
die("recursive alias: %s", alias_command);
trace_argv_printf(new_argv,
"trace: alias expansion: %s =>",
alias_command);
new_argv = xrealloc(new_argv, sizeof(char *) *
(count + *argcp));
/* insert after command name */
memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
*argv = new_argv;
*argcp += count - 1;
ret = 1;
}
if (subdir && chdir(subdir))
die_errno("Cannot change to '%s'", subdir);
errno = saved_errno;
return ret;
}
static int handle_options(const char ***argv, int *argc, int *envchanged)
{
const char **orig_argv = *argv;
while (*argc > 0) {
const char *cmd = (*argv)[0];
if (cmd[0] != '-')
break;
/*
* For legacy reasons, the "version" and "help"
* commands can be written with "--" prepended
* to make them look like flags.
*/
if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version"))
break;
/*
* Check remaining flags.
*/
if (skip_prefix(cmd, "--exec-path", &cmd)) {
if (*cmd == '=')
git_set_exec_path(cmd + 1);
else {
puts(git_exec_path());
exit(0);
}
} else if (!strcmp(cmd, "--html-path")) {
puts(system_path(GIT_HTML_PATH));
exit(0);
} else if (!strcmp(cmd, "--man-path")) {
puts(system_path(GIT_MAN_PATH));
exit(0);
} else if (!strcmp(cmd, "--info-path")) {
puts(system_path(GIT_INFO_PATH));
exit(0);
} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
use_pager = 1;
} else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) {
use_pager = 0;
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--no-replace-objects")) {
check_replace_refs = 0;
setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--git-dir")) {
if (*argc < 2) {
fprintf(stderr, _("no directory given for --git-dir\n" ));
usage(git_usage_string);
}
setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1);
if (envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
} else if (skip_prefix(cmd, "--git-dir=", &cmd)) {
setenv(GIT_DIR_ENVIRONMENT, cmd, 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--namespace")) {
if (*argc < 2) {
fprintf(stderr, _("no namespace given for --namespace\n" ));
usage(git_usage_string);
}
setenv(GIT_NAMESPACE_ENVIRONMENT, (*argv)[1], 1);
if (envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
} else if (skip_prefix(cmd, "--namespace=", &cmd)) {
setenv(GIT_NAMESPACE_ENVIRONMENT, cmd, 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--work-tree")) {
if (*argc < 2) {
fprintf(stderr, _("no directory given for --work-tree\n" ));
usage(git_usage_string);
}
setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1);
if (envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
} else if (skip_prefix(cmd, "--work-tree=", &cmd)) {
setenv(GIT_WORK_TREE_ENVIRONMENT, cmd, 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--super-prefix")) {
if (*argc < 2) {
fprintf(stderr, _("no prefix given for --super-prefix\n" ));
usage(git_usage_string);
}
setenv(GIT_SUPER_PREFIX_ENVIRONMENT, (*argv)[1], 1);
if (envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
} else if (skip_prefix(cmd, "--super-prefix=", &cmd)) {
setenv(GIT_SUPER_PREFIX_ENVIRONMENT, cmd, 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--bare")) {
char *cwd = xgetcwd();
is_bare_repository_cfg = 1;
setenv(GIT_DIR_ENVIRONMENT, cwd, 0);
free(cwd);
setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "-c")) {
if (*argc < 2) {
fprintf(stderr, _("-c expects a configuration string\n" ));
usage(git_usage_string);
}
git_config_push_parameter((*argv)[1]);
(*argv)++;
(*argc)--;
} else if (!strcmp(cmd, "--literal-pathspecs")) {
setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--no-literal-pathspecs")) {
setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--glob-pathspecs")) {
setenv(GIT_GLOB_PATHSPECS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--noglob-pathspecs")) {
setenv(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--icase-pathspecs")) {
setenv(GIT_ICASE_PATHSPECS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--no-optional-locks")) {
setenv(GIT_OPTIONAL_LOCKS_ENVIRONMENT, "0", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--shallow-file")) {
(*argv)++;
(*argc)--;
set_alternate_shallow_file((*argv)[0], 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "-C")) {
if (*argc < 2) {
fprintf(stderr, _("no directory given for -C\n" ));
usage(git_usage_string);
}
if ((*argv)[1][0]) {
if (chdir((*argv)[1]))
die_errno("cannot change to '%s'", (*argv)[1]);
if (envchanged)
*envchanged = 1;
}
(*argv)++;
(*argc)--;
} else if (!strcmp(cmd, "--list-builtins")) {
list_builtins(0, '\n');
exit(0);
} else if (!strcmp(cmd, "--list-parseopt-builtins")) {
list_builtins(NO_PARSEOPT, ' ');
exit(0);
} else {
fprintf(stderr, _("unknown option: %s\n"), cmd);
usage(git_usage_string);
}
(*argv)++;
(*argc)--;
}
return (*argv) - orig_argv;
}
static int handle_alias(int *argcp, const char ***argv)
{
int envchanged = 0, ret = 0, saved_errno = errno;
int count, option_count;
const char **new_argv;
const char *alias_command;
char *alias_string;
alias_command = (*argv)[0];
alias_string = alias_lookup(alias_command);
if (alias_string) {
if (alias_string[0] == '!') {
struct child_process child = CHILD_PROCESS_INIT;
int nongit_ok;
/* Aliases expect GIT_PREFIX, GIT_DIR etc to be set */
setup_git_directory_gently(&nongit_ok);
commit_pager_choice();
child.use_shell = 1;
argv_array_push(&child.args, alias_string + 1);
argv_array_pushv(&child.args, (*argv) + 1);
ret = run_command(&child);
if (ret >= 0) /* normal exit */
exit(ret);
die_errno("while expanding alias '%s': '%s'",
alias_command, alias_string + 1);
}
count = split_cmdline(alias_string, &new_argv);
if (count < 0)
die("Bad alias.%s string: %s", alias_command,
split_cmdline_strerror(count));
option_count = handle_options(&new_argv, &count, &envchanged);
if (envchanged)
die("alias '%s' changes environment variables.\n"
"You can use '!git' in the alias to do this",
alias_command);
memmove(new_argv - option_count, new_argv,
count * sizeof(char *));
new_argv -= option_count;
if (count < 1)
die("empty alias for %s", alias_command);
if (!strcmp(alias_command, new_argv[0]))
die("recursive alias: %s", alias_command);
trace_argv_printf(new_argv,
"trace: alias expansion: %s =>",
alias_command);
REALLOC_ARRAY(new_argv, count + *argcp);
/* insert after command name */
memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
*argv = new_argv;
*argcp += count - 1;
ret = 1;
}
errno = saved_errno;
return ret;
}
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
struct commit *commit;
struct commit **list = NULL;
struct rev_info rev;
struct setup_revision_opt s_r_opt;
int nr = 0, total, i;
int use_stdout = 0;
int start_number = -1;
int numbered_files = 0; /* _just_ numbers */
int ignore_if_in_upstream = 0;
int cover_letter = 0;
int boundary_count = 0;
int no_binary_diff = 0;
struct commit *origin = NULL, *head = NULL;
const char *in_reply_to = NULL;
struct patch_ids ids;
char *add_signoff = NULL;
struct strbuf buf = STRBUF_INIT;
int use_patch_format = 0;
int quiet = 0;
char *branch_name = NULL;
const struct option builtin_format_patch_options[] = {
{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
N_("use [PATCH n/m] even with a single patch"),
PARSE_OPT_NOARG, numbered_callback },
{ OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL,
N_("use [PATCH] even with multiple patches"),
PARSE_OPT_NOARG, no_numbered_callback },
OPT_BOOLEAN('s', "signoff", &do_signoff, N_("add Signed-off-by:")),
OPT_BOOLEAN(0, "stdout", &use_stdout,
N_("print patches to standard out")),
OPT_BOOLEAN(0, "cover-letter", &cover_letter,
N_("generate a cover letter")),
OPT_BOOLEAN(0, "numbered-files", &numbered_files,
N_("use simple number sequence for output file names")),
OPT_STRING(0, "suffix", &fmt_patch_suffix, N_("sfx"),
N_("use <sfx> instead of '.patch'")),
OPT_INTEGER(0, "start-number", &start_number,
N_("start numbering patches at <n> instead of 1")),
{ OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"),
N_("Use [<prefix>] instead of [PATCH]"),
PARSE_OPT_NONEG, subject_prefix_callback },
{ OPTION_CALLBACK, 'o', "output-directory", &output_directory,
N_("dir"), N_("store resulting files in <dir>"),
PARSE_OPT_NONEG, output_directory_callback },
{ OPTION_CALLBACK, 'k', "keep-subject", &rev, NULL,
N_("don't strip/add [PATCH]"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback },
OPT_BOOLEAN(0, "no-binary", &no_binary_diff,
N_("don't output binary diffs")),
OPT_BOOLEAN(0, "ignore-if-in-upstream", &ignore_if_in_upstream,
N_("don't include a patch matching a commit upstream")),
{ OPTION_BOOLEAN, 'p', "no-stat", &use_patch_format, NULL,
N_("show patch format instead of default (patch + stat)"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG },
OPT_GROUP(N_("Messaging")),
{ OPTION_CALLBACK, 0, "add-header", NULL, N_("header"),
N_("add email header"), 0, header_callback },
{ OPTION_CALLBACK, 0, "to", NULL, N_("email"), N_("add To: header"),
0, to_callback },
{ OPTION_CALLBACK, 0, "cc", NULL, N_("email"), N_("add Cc: header"),
0, cc_callback },
OPT_STRING(0, "in-reply-to", &in_reply_to, N_("message-id"),
N_("make first mail a reply to <message-id>")),
{ OPTION_CALLBACK, 0, "attach", &rev, N_("boundary"),
N_("attach the patch"), PARSE_OPT_OPTARG,
attach_callback },
{ OPTION_CALLBACK, 0, "inline", &rev, N_("boundary"),
N_("inline the patch"),
PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
inline_callback },
{ OPTION_CALLBACK, 0, "thread", &thread, N_("style"),
N_("enable message threading, styles: shallow, deep"),
PARSE_OPT_OPTARG, thread_callback },
OPT_STRING(0, "signature", &signature, N_("signature"),
N_("add a signature")),
OPT_BOOLEAN(0, "quiet", &quiet,
N_("don't print the patch filenames")),
OPT_END()
};
extra_hdr.strdup_strings = 1;
extra_to.strdup_strings = 1;
extra_cc.strdup_strings = 1;
init_grep_defaults();
git_config(git_format_config, NULL);
init_revisions(&rev, prefix);
rev.commit_format = CMIT_FMT_EMAIL;
rev.verbose_header = 1;
rev.diff = 1;
rev.max_parents = 1;
DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
rev.subject_prefix = fmt_patch_subject_prefix;
memset(&s_r_opt, 0, sizeof(s_r_opt));
s_r_opt.def = "HEAD";
s_r_opt.revarg_opt = REVARG_COMMITTISH;
if (default_attach) {
rev.mime_boundary = default_attach;
rev.no_inline = 1;
}
/*
* Parse the arguments before setup_revisions(), or something
* like "git format-patch -o a123 HEAD^.." may fail; a123 is
* possibly a valid SHA1.
*/
argc = parse_options(argc, argv, prefix, builtin_format_patch_options,
builtin_format_patch_usage,
PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
PARSE_OPT_KEEP_DASHDASH);
if (do_signoff) {
const char *committer;
const char *endpos;
committer = git_committer_info(IDENT_STRICT);
endpos = strchr(committer, '>');
if (!endpos)
die(_("bogus committer info %s"), committer);
add_signoff = xmemdupz(committer, endpos - committer + 1);
}
for (i = 0; i < extra_hdr.nr; i++) {
strbuf_addstr(&buf, extra_hdr.items[i].string);
strbuf_addch(&buf, '\n');
}
if (extra_to.nr)
strbuf_addstr(&buf, "To: ");
for (i = 0; i < extra_to.nr; i++) {
if (i)
strbuf_addstr(&buf, " ");
strbuf_addstr(&buf, extra_to.items[i].string);
if (i + 1 < extra_to.nr)
strbuf_addch(&buf, ',');
strbuf_addch(&buf, '\n');
}
if (extra_cc.nr)
strbuf_addstr(&buf, "Cc: ");
for (i = 0; i < extra_cc.nr; i++) {
if (i)
strbuf_addstr(&buf, " ");
strbuf_addstr(&buf, extra_cc.items[i].string);
if (i + 1 < extra_cc.nr)
strbuf_addch(&buf, ',');
strbuf_addch(&buf, '\n');
}
rev.extra_headers = strbuf_detach(&buf, NULL);
if (start_number < 0)
start_number = 1;
/*
* If numbered is set solely due to format.numbered in config,
* and it would conflict with --keep-subject (-k) from the
* command line, reset "numbered".
*/
if (numbered && keep_subject && !numbered_cmdline_opt)
numbered = 0;
if (numbered && keep_subject)
die (_("-n and -k are mutually exclusive."));
if (keep_subject && subject_prefix)
die (_("--subject-prefix and -k are mutually exclusive."));
rev.preserve_subject = keep_subject;
argc = setup_revisions(argc, argv, &rev, &s_r_opt);
if (argc > 1)
die (_("unrecognized argument: %s"), argv[1]);
if (rev.diffopt.output_format & DIFF_FORMAT_NAME)
die(_("--name-only does not make sense"));
if (rev.diffopt.output_format & DIFF_FORMAT_NAME_STATUS)
die(_("--name-status does not make sense"));
if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF)
die(_("--check does not make sense"));
if (!use_patch_format &&
(!rev.diffopt.output_format ||
rev.diffopt.output_format == DIFF_FORMAT_PATCH))
rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY;
/* Always generate a patch */
rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
DIFF_OPT_SET(&rev.diffopt, BINARY);
if (rev.show_notes)
init_display_notes(&rev.notes_opt);
if (!use_stdout)
output_directory = set_outdir(prefix, output_directory);
else
setup_pager();
if (output_directory) {
if (use_stdout)
die(_("standard output, or directory, which one?"));
if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
die_errno(_("Could not create directory '%s'"),
output_directory);
}
if (rev.pending.nr == 1) {
if (rev.max_count < 0 && !rev.show_root_diff) {
/*
* This is traditional behaviour of "git format-patch
* origin" that prepares what the origin side still
* does not have.
*/
unsigned char sha1[20];
const char *ref;
rev.pending.objects[0].item->flags |= UNINTERESTING;
add_head_to_pending(&rev);
ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
if (ref && !prefixcmp(ref, "refs/heads/"))
branch_name = xstrdup(ref + strlen("refs/heads/"));
else
branch_name = xstrdup(""); /* no branch */
}
/*
* Otherwise, it is "format-patch -22 HEAD", and/or
* "format-patch --root HEAD". The user wants
* get_revision() to do the usual traversal.
*/
}
/*
* We cannot move this anywhere earlier because we do want to
* know if --root was given explicitly from the command line.
*/
rev.show_root_diff = 1;
if (cover_letter) {
/*
* NEEDSWORK:randomly pick one positive commit to show
* diffstat; this is often the tip and the command
* happens to do the right thing in most cases, but a
* complex command like "--cover-letter a b c ^bottom"
* picks "c" and shows diffstat between bottom..c
* which may not match what the series represents at
* all and totally broken.
*/
int i;
for (i = 0; i < rev.pending.nr; i++) {
struct object *o = rev.pending.objects[i].item;
if (!(o->flags & UNINTERESTING))
head = (struct commit *)o;
}
/* There is nothing to show; it is not an error, though. */
if (!head)
return 0;
if (!branch_name)
branch_name = find_branch_name(&rev);
}
if (ignore_if_in_upstream) {
/* Don't say anything if head and upstream are the same. */
if (rev.pending.nr == 2) {
struct object_array_entry *o = rev.pending.objects;
if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
return 0;
}
get_patch_ids(&rev, &ids);
}
if (!use_stdout)
realstdout = xfdopen(xdup(1), "w");
if (prepare_revision_walk(&rev))
die(_("revision walk setup failed"));
rev.boundary = 1;
while ((commit = get_revision(&rev)) != NULL) {
if (commit->object.flags & BOUNDARY) {
boundary_count++;
origin = (boundary_count == 1) ? commit : NULL;
continue;
}
if (ignore_if_in_upstream &&
has_commit_patch_id(commit, &ids))
continue;
nr++;
list = xrealloc(list, nr * sizeof(list[0]));
list[nr - 1] = commit;
}
total = nr;
if (!keep_subject && auto_number && total > 1)
numbered = 1;
if (numbered)
rev.total = total + start_number - 1;
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {
const char *msgid = clean_message_id(in_reply_to);
string_list_append(rev.ref_message_ids, msgid);
}
rev.numbered_files = numbered_files;
rev.patch_suffix = fmt_patch_suffix;
if (cover_letter) {
if (thread)
gen_message_id(&rev, "cover");
make_cover_letter(&rev, use_stdout, numbered, numbered_files,
origin, nr, list, head, branch_name, quiet);
total++;
start_number--;
}
rev.add_signoff = add_signoff;
while (0 <= --nr) {
int shown;
commit = list[nr];
rev.nr = total - nr + (start_number - 1);
/* Make the second and subsequent mails replies to the first */
if (thread) {
/* Have we already had a message ID? */
if (rev.message_id) {
/*
* For deep threading: make every mail
* a reply to the previous one, no
* matter what other options are set.
*
* For shallow threading:
*
* Without --cover-letter and
* --in-reply-to, make every mail a
* reply to the one before.
*
* With --in-reply-to but no
* --cover-letter, make every mail a
* reply to the <reply-to>.
*
* With --cover-letter, make every
* mail but the cover letter a reply
* to the cover letter. The cover
* letter is a reply to the
* --in-reply-to, if specified.
*/
if (thread == THREAD_SHALLOW
&& rev.ref_message_ids->nr > 0
&& (!cover_letter || rev.nr > 1))
free(rev.message_id);
else
string_list_append(rev.ref_message_ids,
rev.message_id);
}
gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
}
if (!use_stdout &&
reopen_stdout(numbered_files ? NULL : commit, NULL, &rev, quiet))
die(_("Failed to create output files"));
shown = log_tree_commit(&rev, commit);
free(commit->buffer);
commit->buffer = NULL;
/* We put one extra blank line between formatted
* patches and this flag is used by log-tree code
* to see if it needs to emit a LF before showing
* the log; when using one file per patch, we do
* not want the extra blank line.
*/
if (!use_stdout)
rev.shown_one = 0;
if (shown) {
if (rev.mime_boundary)
printf("\n--%s%s--\n\n\n",
mime_boundary_leader,
rev.mime_boundary);
else
print_signature();
}
if (!use_stdout)
fclose(stdout);
}
free(list);
free(branch_name);
string_list_clear(&extra_to, 0);
string_list_clear(&extra_cc, 0);
string_list_clear(&extra_hdr, 0);
if (ignore_if_in_upstream)
free_patch_ids(&ids);
return 0;
}
static void create_note(const unsigned char *object, struct msg_arg *msg,
int append_only, const unsigned char *prev,
unsigned char *result)
{
char *path = NULL;
if (msg->use_editor || !msg->given) {
int fd;
/* write the template message before editing: */
path = git_pathdup("NOTES_EDITMSG");
fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
if (fd < 0)
die_errno("could not create file '%s'", path);
if (msg->given)
write_or_die(fd, msg->buf.buf, msg->buf.len);
else if (prev && !append_only)
write_note_data(fd, prev);
write_or_die(fd, note_template, strlen(note_template));
write_commented_object(fd, object);
close(fd);
strbuf_reset(&(msg->buf));
if (launch_editor(path, &(msg->buf), NULL)) {
die("Please supply the note contents using either -m" \
" or -F option");
}
stripspace(&(msg->buf), 1);
}
if (prev && append_only) {
/* Append buf to previous note contents */
unsigned long size;
enum object_type type;
char *prev_buf = read_sha1_file(prev, &type, &size);
strbuf_grow(&(msg->buf), size + 1);
if (msg->buf.len && prev_buf && size)
strbuf_insert(&(msg->buf), 0, "\n", 1);
if (prev_buf && size)
strbuf_insert(&(msg->buf), 0, prev_buf, size);
free(prev_buf);
}
if (!msg->buf.len) {
fprintf(stderr, "Removing note for object %s\n",
sha1_to_hex(object));
hashclr(result);
} else {
if (write_sha1_file(msg->buf.buf, msg->buf.len, blob_type, result)) {
error("unable to write note object");
if (path)
error("The note contents has been left in %s",
path);
exit(128);
}
}
if (path) {
unlink_or_warn(path);
free(path);
}
}
void create_branch(const char *head,
const char *name, const char *start_name,
int force, int reflog, int clobber_head,
int quiet, enum branch_track track)
{
struct ref_lock *lock = NULL;
struct commit *commit;
unsigned char sha1[20];
char *real_ref, msg[PATH_MAX + 20];
struct strbuf ref = STRBUF_INIT;
int forcing = 0;
int dont_change_ref = 0;
int explicit_tracking = 0;
if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE)
explicit_tracking = 1;
if (validate_new_branchname(name, &ref, force,
track == BRANCH_TRACK_OVERRIDE ||
clobber_head)) {
if (!force)
dont_change_ref = 1;
else
forcing = 1;
}
real_ref = NULL;
if (get_sha1(start_name, sha1)) {
if (explicit_tracking) {
if (advice_set_upstream_failure) {
error(_(upstream_missing), start_name);
advise(_(upstream_advice));
exit(1);
}
die(_(upstream_missing), start_name);
}
die(_("Not a valid object name: '%s'."), start_name);
}
switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) {
case 0:
/* Not branching from any existing branch */
if (explicit_tracking)
die(_(upstream_not_branch), start_name);
break;
case 1:
/* Unique completion -- good, only if it is a real branch */
if (!starts_with(real_ref, "refs/heads/") &&
validate_remote_tracking_branch(real_ref)) {
if (explicit_tracking)
die(_(upstream_not_branch), start_name);
else
real_ref = NULL;
}
break;
default:
die(_("Ambiguous object name: '%s'."), start_name);
break;
}
if ((commit = lookup_commit_reference(sha1)) == NULL)
die(_("Not a valid branch point: '%s'."), start_name);
hashcpy(sha1, commit->object.sha1);
if (!dont_change_ref) {
lock = lock_any_ref_for_update(ref.buf, NULL, 0, NULL);
if (!lock)
die_errno(_("Failed to lock ref for update"));
}
if (reflog)
log_all_ref_updates = 1;
if (forcing)
snprintf(msg, sizeof msg, "branch: Reset to %s",
start_name);
else if (!dont_change_ref)
snprintf(msg, sizeof msg, "branch: Created from %s",
start_name);
if (real_ref && track)
setup_tracking(ref.buf + 11, real_ref, track, quiet);
if (!dont_change_ref)
if (write_ref_sha1(lock, sha1, msg) < 0)
die_errno(_("Failed to write ref"));
strbuf_release(&ref);
free(real_ref);
}
/*
* Make a pack stream and spit it out into file descriptor fd
*/
static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra, struct send_pack_args *args)
{
/*
* The child becomes pack-objects --revs; we feed
* the revision parameters to it via its stdin and
* let its stdout go back to the other end.
*/
const char *argv[] = {
"pack-objects",
"--all-progress-implied",
"--revs",
"--stdout",
NULL,
NULL,
NULL,
NULL,
NULL,
};
struct child_process po;
int i;
i = 4;
if (args->use_thin_pack)
argv[i++] = "--thin";
if (args->use_ofs_delta)
argv[i++] = "--delta-base-offset";
if (args->quiet || !args->progress)
argv[i++] = "-q";
if (args->progress)
argv[i++] = "--progress";
memset(&po, 0, sizeof(po));
po.argv = argv;
po.in = -1;
po.out = args->stateless_rpc ? -1 : fd;
po.git_cmd = 1;
if (start_command(&po))
die_errno("git pack-objects failed");
/*
* We feed the pack-objects we just spawned with revision
* parameters by writing to the pipe.
*/
for (i = 0; i < extra->nr; i++)
if (!feed_object(extra->array[i], po.in, 1))
break;
while (refs) {
if (!is_null_sha1(refs->old_sha1) &&
!feed_object(refs->old_sha1, po.in, 1))
break;
if (!is_null_sha1(refs->new_sha1) &&
!feed_object(refs->new_sha1, po.in, 0))
break;
refs = refs->next;
}
close(po.in);
if (args->stateless_rpc) {
char *buf = xmalloc(LARGE_PACKET_MAX);
while (1) {
ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX);
if (n <= 0)
break;
send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX);
}
free(buf);
close(po.out);
po.out = -1;
}
if (finish_command(&po))
return -1;
return 0;
}
int cmd_stash(int argc, const char **argv, const char *prefix)
{
int i = -1;
pid_t pid = getpid();
const char *index_file;
struct argv_array args = ARGV_ARRAY_INIT;
struct option options[] = {
OPT_END()
};
if (!use_builtin_stash()) {
const char *path = mkpath("%s/git-legacy-stash",
git_exec_path());
if (sane_execvp(path, (char **)argv) < 0)
die_errno(_("could not exec %s"), path);
else
BUG("sane_execvp() returned???");
}
prefix = setup_git_directory();
trace_repo_setup(prefix);
setup_work_tree();
git_config(git_diff_basic_config, NULL);
argc = parse_options(argc, argv, prefix, options, git_stash_usage,
PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
index_file = get_index_file();
strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file,
(uintmax_t)pid);
if (!argc)
return !!push_stash(0, NULL, prefix);
else if (!strcmp(argv[0], "apply"))
return !!apply_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "clear"))
return !!clear_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "drop"))
return !!drop_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "pop"))
return !!pop_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "branch"))
return !!branch_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "list"))
return !!list_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "show"))
return !!show_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "store"))
return !!store_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "create"))
return !!create_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "push"))
return !!push_stash(argc, argv, prefix);
else if (!strcmp(argv[0], "save"))
return !!save_stash(argc, argv, prefix);
else if (*argv[0] != '-')
usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]),
git_stash_usage, options);
if (strcmp(argv[0], "-p")) {
while (++i < argc && strcmp(argv[i], "--")) {
/*
* `akpqu` is a string which contains all short options,
* except `-m` which is verified separately.
*/
if ((strlen(argv[i]) == 2) && *argv[i] == '-' &&
strchr("akpqu", argv[i][1]))
continue;
if (!strcmp(argv[i], "--all") ||
!strcmp(argv[i], "--keep-index") ||
!strcmp(argv[i], "--no-keep-index") ||
!strcmp(argv[i], "--patch") ||
!strcmp(argv[i], "--quiet") ||
!strcmp(argv[i], "--include-untracked"))
continue;
/*
* `-m` and `--message=` are verified separately because
* they need to be immediately followed by a string
* (i.e.`-m"foobar"` or `--message="foobar"`).
*/
if (starts_with(argv[i], "-m") ||
starts_with(argv[i], "--message="))
continue;
usage_with_options(git_stash_usage, options);
}
}
argv_array_push(&args, "push");
argv_array_pushv(&args, argv);
return !!push_stash(args.argc, args.argv, prefix);
}
/*
* We cannot decide in this function whether we are in the work tree or
* not, since the config can only be read _after_ this function was called.
*/
const char *setup_git_directory_gently(int *nongit_ok)
{
const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
const char *env_ceiling_dirs = getenv(CEILING_DIRECTORIES_ENVIRONMENT);
static char cwd[PATH_MAX+1];
const char *gitdirenv;
const char *gitfile_dir;
int len, offset, ceil_offset;
/*
* Let's assume that we are in a git repository.
* If it turns out later that we are somewhere else, the value will be
* updated accordingly.
*/
if (nongit_ok)
*nongit_ok = 0;
/*
* If GIT_DIR is set explicitly, we're not going
* to do any discovery, but we still do repository
* validation.
*/
gitdirenv = getenv(GIT_DIR_ENVIRONMENT);
if (gitdirenv) {
if (PATH_MAX - 40 < strlen(gitdirenv))
die("'$%s' too big", GIT_DIR_ENVIRONMENT);
if (is_git_directory(gitdirenv)) {
static char buffer[1024 + 1];
const char *retval;
if (!work_tree_env) {
retval = set_work_tree(gitdirenv);
/* config may override worktree */
if (check_repository_format_gently(nongit_ok))
return NULL;
return retval;
}
if (check_repository_format_gently(nongit_ok))
return NULL;
retval = get_relative_cwd(buffer, sizeof(buffer) - 1,
get_git_work_tree());
if (!retval || !*retval)
return NULL;
set_git_dir(make_absolute_path(gitdirenv));
if (chdir(work_tree_env) < 0)
die_errno ("Could not chdir to '%s'", work_tree_env);
strcat(buffer, "/");
return retval;
}
if (nongit_ok) {
*nongit_ok = 1;
return NULL;
}
die("Not a git repository: '%s'", gitdirenv);
}
if (!getcwd(cwd, sizeof(cwd)-1))
die_errno("Unable to read current working directory");
ceil_offset = longest_ancestor_length(cwd, env_ceiling_dirs);
if (ceil_offset < 0 && has_dos_drive_prefix(cwd))
ceil_offset = 1;
/*
* Test in the following order (relative to the cwd):
* - .git (file containing "gitdir: <path>")
* - .git/
* - ./ (bare)
* - ../.git
* - ../.git/
* - ../ (bare)
* - ../../.git/
* etc.
*/
offset = len = strlen(cwd);
for (;;) {
gitfile_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
if (gitfile_dir) {
if (set_git_dir(gitfile_dir))
die("Repository setup failed");
break;
}
if (is_git_directory(DEFAULT_GIT_DIR_ENVIRONMENT))
break;
if (is_git_directory(".")) {
inside_git_dir = 1;
if (!work_tree_env)
inside_work_tree = 0;
if (offset != len) {
cwd[offset] = '\0';
setenv(GIT_DIR_ENVIRONMENT, cwd, 1);
} else
setenv(GIT_DIR_ENVIRONMENT, ".", 1);
check_repository_format_gently(nongit_ok);
return NULL;
}
while (--offset > ceil_offset && cwd[offset] != '/');
if (offset <= ceil_offset) {
if (nongit_ok) {
if (chdir(cwd))
die_errno("Cannot come back to cwd");
*nongit_ok = 1;
return NULL;
}
die("Not a git repository (or any of the parent directories): %s", DEFAULT_GIT_DIR_ENVIRONMENT);
}
if (chdir(".."))
die_errno("Cannot change to '%s/..'", cwd);
}
inside_git_dir = 0;
if (!work_tree_env)
inside_work_tree = 1;
git_work_tree_cfg = xstrndup(cwd, offset);
if (check_repository_format_gently(nongit_ok))
return NULL;
if (offset == len)
return NULL;
/* Make "offset" point to past the '/', and add a '/' at the end */
offset++;
cwd[len++] = '/';
cwd[len] = 0;
return cwd + offset;
}
int create_bundle(struct bundle_header *header, const char *path,
int argc, const char **argv)
{
static struct lock_file lock;
int bundle_fd = -1;
int bundle_to_stdout;
const char **argv_boundary = xmalloc((argc + 4) * sizeof(const char *));
const char **argv_pack = xmalloc(6 * sizeof(const char *));
int i, ref_count = 0;
char buffer[1024];
struct rev_info revs;
struct child_process rls;
FILE *rls_fout;
bundle_to_stdout = !strcmp(path, "-");
if (bundle_to_stdout)
bundle_fd = 1;
else
bundle_fd = hold_lock_file_for_update(&lock, path,
LOCK_DIE_ON_ERROR);
/* write signature */
write_or_die(bundle_fd, bundle_signature, strlen(bundle_signature));
/* init revs to list objects for pack-objects later */
save_commit_buffer = 0;
init_revisions(&revs, NULL);
/* write prerequisites */
memcpy(argv_boundary + 3, argv + 1, argc * sizeof(const char *));
argv_boundary[0] = "rev-list";
argv_boundary[1] = "--boundary";
argv_boundary[2] = "--pretty=oneline";
argv_boundary[argc + 2] = NULL;
memset(&rls, 0, sizeof(rls));
rls.argv = argv_boundary;
rls.out = -1;
rls.git_cmd = 1;
if (start_command(&rls))
return -1;
rls_fout = xfdopen(rls.out, "r");
while (fgets(buffer, sizeof(buffer), rls_fout)) {
unsigned char sha1[20];
if (buffer[0] == '-') {
write_or_die(bundle_fd, buffer, strlen(buffer));
if (!get_sha1_hex(buffer + 1, sha1)) {
struct object *object = parse_object(sha1);
object->flags |= UNINTERESTING;
add_pending_object(&revs, object, buffer);
}
} else if (!get_sha1_hex(buffer, sha1)) {
struct object *object = parse_object(sha1);
object->flags |= SHOWN;
}
}
fclose(rls_fout);
if (finish_command(&rls))
return error("rev-list died");
/* write references */
argc = setup_revisions(argc, argv, &revs, NULL);
if (argc > 1)
return error("unrecognized argument: %s'", argv[1]);
object_array_remove_duplicates(&revs.pending);
for (i = 0; i < revs.pending.nr; i++) {
struct object_array_entry *e = revs.pending.objects + i;
unsigned char sha1[20];
char *ref;
const char *display_ref;
int flag;
if (e->item->flags & UNINTERESTING)
continue;
if (dwim_ref(e->name, strlen(e->name), sha1, &ref) != 1)
continue;
if (!resolve_ref(e->name, sha1, 1, &flag))
flag = 0;
display_ref = (flag & REF_ISSYMREF) ? e->name : ref;
if (e->item->type == OBJ_TAG &&
!is_tag_in_date_range(e->item, &revs)) {
e->item->flags |= UNINTERESTING;
continue;
}
/*
* Make sure the refs we wrote out is correct; --max-count and
* other limiting options could have prevented all the tips
* from getting output.
*
* Non commit objects such as tags and blobs do not have
* this issue as they are not affected by those extra
* constraints.
*/
if (!(e->item->flags & SHOWN) && e->item->type == OBJ_COMMIT) {
warning("ref '%s' is excluded by the rev-list options",
e->name);
free(ref);
continue;
}
/*
* If you run "git bundle create bndl v1.0..v2.0", the
* name of the positive ref is "v2.0" but that is the
* commit that is referenced by the tag, and not the tag
* itself.
*/
if (hashcmp(sha1, e->item->sha1)) {
/*
* Is this the positive end of a range expressed
* in terms of a tag (e.g. v2.0 from the range
* "v1.0..v2.0")?
*/
struct commit *one = lookup_commit_reference(sha1);
struct object *obj;
if (e->item == &(one->object)) {
/*
* Need to include e->name as an
* independent ref to the pack-objects
* input, so that the tag is included
* in the output; otherwise we would
* end up triggering "empty bundle"
* error.
*/
obj = parse_object(sha1);
obj->flags |= SHOWN;
add_pending_object(&revs, obj, e->name);
}
free(ref);
continue;
}
ref_count++;
write_or_die(bundle_fd, sha1_to_hex(e->item->sha1), 40);
write_or_die(bundle_fd, " ", 1);
write_or_die(bundle_fd, display_ref, strlen(display_ref));
write_or_die(bundle_fd, "\n", 1);
free(ref);
}
if (!ref_count)
die ("Refusing to create empty bundle.");
/* end header */
write_or_die(bundle_fd, "\n", 1);
/* write pack */
argv_pack[0] = "pack-objects";
argv_pack[1] = "--all-progress-implied";
argv_pack[2] = "--stdout";
argv_pack[3] = "--thin";
argv_pack[4] = "--delta-base-offset";
argv_pack[5] = NULL;
memset(&rls, 0, sizeof(rls));
rls.argv = argv_pack;
rls.in = -1;
rls.out = bundle_fd;
rls.git_cmd = 1;
if (start_command(&rls))
return error("Could not spawn pack-objects");
/*
* start_command closed bundle_fd if it was > 1
* so set the lock fd to -1 so commit_lock_file()
* won't fail trying to close it.
*/
lock.fd = -1;
for (i = 0; i < revs.pending.nr; i++) {
struct object *object = revs.pending.objects[i].item;
if (object->flags & UNINTERESTING)
write_or_die(rls.in, "^", 1);
write_or_die(rls.in, sha1_to_hex(object->sha1), 40);
write_or_die(rls.in, "\n", 1);
}
close(rls.in);
if (finish_command(&rls))
return error ("pack-objects died");
if (!bundle_to_stdout) {
if (commit_lock_file(&lock))
die_errno("cannot create '%s'", path);
}
return 0;
}
int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt)
{
const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec;
char *tz_c;
int logfd, tz, reccnt = 0;
struct stat st;
unsigned long date;
unsigned char logged_sha1[20];
void *log_mapped;
size_t mapsz;
logfile = git_path("logs/%s", ref);
logfd = open(logfile, O_RDONLY, 0);
if (logfd < 0)
die_errno("Unable to read log '%s'", logfile);
fstat(logfd, &st);
if (!st.st_size)
die("Log %s is empty.", logfile);
mapsz = xsize_t(st.st_size);
log_mapped = xmmap(NULL, mapsz, PROT_READ, MAP_PRIVATE, logfd, 0);
logdata = log_mapped;
close(logfd);
lastrec = NULL;
rec = logend = logdata + st.st_size;
while (logdata < rec) {
reccnt++;
if (logdata < rec && *(rec-1) == '\n')
rec--;
lastgt = NULL;
while (logdata < rec && *(rec-1) != '\n') {
rec--;
if (*rec == '>')
lastgt = rec;
}
if (!lastgt)
die("Log %s is corrupt.", logfile);
date = strtoul(lastgt + 1, &tz_c, 10);
if (date <= at_time || cnt == 0) {
tz = strtoul(tz_c, NULL, 10);
if (msg)
*msg = ref_msg(rec, logend);
if (cutoff_time)
*cutoff_time = date;
if (cutoff_tz)
*cutoff_tz = tz;
if (cutoff_cnt)
*cutoff_cnt = reccnt - 1;
if (lastrec) {
if (get_sha1_hex(lastrec, logged_sha1))
die("Log %s is corrupt.", logfile);
if (get_sha1_hex(rec + 41, sha1))
die("Log %s is corrupt.", logfile);
if (hashcmp(logged_sha1, sha1)) {
warning("Log %s has gap after %s.",
logfile, show_date(date, tz, DATE_RFC2822));
}
}
else if (date == at_time) {
if (get_sha1_hex(rec + 41, sha1))
die("Log %s is corrupt.", logfile);
}
else {
if (get_sha1_hex(rec + 41, logged_sha1))
die("Log %s is corrupt.", logfile);
if (hashcmp(logged_sha1, sha1)) {
warning("Log %s unexpectedly ended on %s.",
logfile, show_date(date, tz, DATE_RFC2822));
}
}
munmap(log_mapped, mapsz);
return 0;
}
lastrec = rec;
if (cnt > 0)
cnt--;
}
rec = logdata;
while (rec < logend && *rec != '>' && *rec != '\n')
rec++;
if (rec == logend || *rec == '\n')
die("Log %s is corrupt.", logfile);
date = strtoul(rec + 1, &tz_c, 10);
tz = strtoul(tz_c, NULL, 10);
if (get_sha1_hex(logdata, sha1))
die("Log %s is corrupt.", logfile);
if (is_null_sha1(sha1)) {
if (get_sha1_hex(logdata + 41, sha1))
die("Log %s is corrupt.", logfile);
}
if (msg)
*msg = ref_msg(logdata, logend);
munmap(log_mapped, mapsz);
if (cutoff_time)
*cutoff_time = date;
if (cutoff_tz)
*cutoff_tz = tz;
if (cutoff_cnt)
*cutoff_cnt = reccnt;
return 1;
}
static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
struct ref dummy = {NULL}, *tail = &dummy;
struct child_process rsync;
const char *args[5];
int temp_dir_len;
if (for_push)
return NULL;
/* copy the refs to the temporary directory */
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
if (!mkdtemp(temp_dir.buf))
die_errno ("Could not make temporary directory");
temp_dir_len = temp_dir.len;
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addstr(&buf, "/refs");
memset(&rsync, 0, sizeof(rsync));
rsync.argv = args;
rsync.stdout_to_stderr = 1;
args[0] = "rsync";
args[1] = (transport->verbose > 1) ? "-rv" : "-r";
args[2] = buf.buf;
args[3] = temp_dir.buf;
args[4] = NULL;
if (run_command(&rsync))
die ("Could not run rsync to get refs");
strbuf_reset(&buf);
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addstr(&buf, "/packed-refs");
args[2] = buf.buf;
if (run_command(&rsync))
die ("Could not run rsync to get refs");
/* read the copied refs */
strbuf_addstr(&temp_dir, "/refs");
read_loose_refs(&temp_dir, temp_dir_len + 1, &tail);
strbuf_setlen(&temp_dir, temp_dir_len);
tail = &dummy;
strbuf_addstr(&temp_dir, "/packed-refs");
insert_packed_refs(temp_dir.buf, &tail);
strbuf_setlen(&temp_dir, temp_dir_len);
if (remove_dir_recursively(&temp_dir, 0))
warning ("Error removing temporary directory %s.",
temp_dir.buf);
strbuf_release(&buf);
strbuf_release(&temp_dir);
return dummy.next;
}
static int add_worktree(const char *path, const char *refname,
const struct add_opts *opts)
{
struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT;
struct strbuf sb = STRBUF_INIT;
const char *name;
struct stat st;
struct child_process cp = CHILD_PROCESS_INIT;
struct argv_array child_env = ARGV_ARRAY_INIT;
int counter = 0, len, ret;
struct strbuf symref = STRBUF_INIT;
struct commit *commit = NULL;
int is_branch = 0;
if (file_exists(path) && !is_empty_dir(path))
die(_("'%s' already exists"), path);
/* is 'refname' a branch or commit? */
if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) &&
ref_exists(symref.buf)) {
is_branch = 1;
if (!opts->force)
die_if_checked_out(symref.buf, 0);
}
commit = lookup_commit_reference_by_name(refname);
if (!commit)
die(_("invalid reference: %s"), refname);
name = worktree_basename(path, &len);
git_path_buf(&sb_repo, "worktrees/%.*s", (int)(path + len - name), name);
len = sb_repo.len;
if (safe_create_leading_directories_const(sb_repo.buf))
die_errno(_("could not create leading directories of '%s'"),
sb_repo.buf);
while (!stat(sb_repo.buf, &st)) {
counter++;
strbuf_setlen(&sb_repo, len);
strbuf_addf(&sb_repo, "%d", counter);
}
name = strrchr(sb_repo.buf, '/') + 1;
junk_pid = getpid();
atexit(remove_junk);
sigchain_push_common(remove_junk_on_signal);
if (mkdir(sb_repo.buf, 0777))
die_errno(_("could not create directory of '%s'"), sb_repo.buf);
junk_git_dir = xstrdup(sb_repo.buf);
is_junk = 1;
/*
* lock the incomplete repo so prune won't delete it, unlock
* after the preparation is over.
*/
strbuf_addf(&sb, "%s/locked", sb_repo.buf);
if (!opts->keep_locked)
write_file(sb.buf, "initializing");
else
write_file(sb.buf, "added with --lock");
strbuf_addf(&sb_git, "%s/.git", path);
if (safe_create_leading_directories_const(sb_git.buf))
die_errno(_("could not create leading directories of '%s'"),
sb_git.buf);
junk_work_tree = xstrdup(path);
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/gitdir", sb_repo.buf);
write_file(sb.buf, "%s", real_path(sb_git.buf));
write_file(sb_git.buf, "gitdir: %s/worktrees/%s",
real_path(get_git_common_dir()), name);
/*
* This is to keep resolve_ref() happy. We need a valid HEAD
* or is_git_directory() will reject the directory. Any value which
* looks like an object ID will do since it will be immediately
* replaced by the symbolic-ref or update-ref invocation in the new
* worktree.
*/
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/HEAD", sb_repo.buf);
write_file(sb.buf, "%s", sha1_to_hex(null_sha1));
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/commondir", sb_repo.buf);
write_file(sb.buf, "../..");
fprintf_ln(stderr, _("Preparing %s (identifier %s)"), path, name);
argv_array_pushf(&child_env, "%s=%s", GIT_DIR_ENVIRONMENT, sb_git.buf);
argv_array_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path);
cp.git_cmd = 1;
if (!is_branch)
argv_array_pushl(&cp.args, "update-ref", "HEAD",
oid_to_hex(&commit->object.oid), NULL);
else
argv_array_pushl(&cp.args, "symbolic-ref", "HEAD",
symref.buf, NULL);
cp.env = child_env.argv;
ret = run_command(&cp);
if (ret)
goto done;
if (opts->checkout) {
cp.argv = NULL;
argv_array_clear(&cp.args);
argv_array_pushl(&cp.args, "reset", "--hard", NULL);
cp.env = child_env.argv;
ret = run_command(&cp);
if (ret)
goto done;
}
is_junk = 0;
FREE_AND_NULL(junk_work_tree);
FREE_AND_NULL(junk_git_dir);
done:
if (ret || !opts->keep_locked) {
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/locked", sb_repo.buf);
unlink_or_warn(sb.buf);
}
/*
* Hook failure does not warrant worktree deletion, so run hook after
* is_junk is cleared, but do return appropriate code when hook fails.
*/
if (!ret && opts->checkout) {
const char *hook = find_hook("post-checkout");
if (hook) {
const char *env[] = { "GIT_DIR", "GIT_WORK_TREE", NULL };
cp.git_cmd = 0;
cp.no_stdin = 1;
cp.stdout_to_stderr = 1;
cp.dir = path;
cp.env = env;
cp.argv = NULL;
argv_array_pushl(&cp.args, absolute_path(hook),
oid_to_hex(&null_oid),
oid_to_hex(&commit->object.oid),
"1", NULL);
ret = run_command(&cp);
}
}
argv_array_clear(&child_env);
strbuf_release(&sb);
strbuf_release(&symref);
strbuf_release(&sb_repo);
strbuf_release(&sb_git);
return ret;
}
static int rsync_transport_push(struct transport *transport,
int refspec_nr, const char **refspec, int flags)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
int result = 0, i;
struct child_process rsync;
const char *args[10];
if (flags & TRANSPORT_PUSH_MIRROR)
return error("rsync transport does not support mirror mode");
/* first push the objects */
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addch(&buf, '/');
memset(&rsync, 0, sizeof(rsync));
rsync.argv = args;
rsync.stdout_to_stderr = 1;
i = 0;
args[i++] = "rsync";
args[i++] = "-a";
if (flags & TRANSPORT_PUSH_DRY_RUN)
args[i++] = "--dry-run";
if (transport->verbose > 1)
args[i++] = "-v";
args[i++] = "--ignore-existing";
args[i++] = "--exclude";
args[i++] = "info";
args[i++] = get_object_directory();
args[i++] = buf.buf;
args[i++] = NULL;
if (run_command(&rsync))
return error("Could not push objects to %s",
rsync_url(transport->url));
/* copy the refs to the temporary directory; they could be packed. */
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
if (!mkdtemp(temp_dir.buf))
die_errno ("Could not make temporary directory");
strbuf_addch(&temp_dir, '/');
if (flags & TRANSPORT_PUSH_ALL) {
if (for_each_ref(write_one_ref, &temp_dir))
return -1;
} else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec))
return -1;
i = 2;
if (flags & TRANSPORT_PUSH_DRY_RUN)
args[i++] = "--dry-run";
if (!(flags & TRANSPORT_PUSH_FORCE))
args[i++] = "--ignore-existing";
args[i++] = temp_dir.buf;
args[i++] = rsync_url(transport->url);
args[i++] = NULL;
if (run_command(&rsync))
result = error("Could not push to %s",
rsync_url(transport->url));
if (remove_dir_recursively(&temp_dir, 0))
warning ("Could not remove temporary directory %s.",
temp_dir.buf);
strbuf_release(&buf);
strbuf_release(&temp_dir);
return result;
}
static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
const char *src_repo, int src_baselen)
{
struct dirent *de;
struct stat buf;
int src_len, dest_len;
DIR *dir;
dir = opendir(src->buf);
if (!dir)
die_errno(_("failed to open '%s'"), src->buf);
if (mkdir(dest->buf, 0777)) {
if (errno != EEXIST)
die_errno(_("failed to create directory '%s'"), dest->buf);
else if (stat(dest->buf, &buf))
die_errno(_("failed to stat '%s'"), dest->buf);
else if (!S_ISDIR(buf.st_mode))
die(_("%s exists and is not a directory"), dest->buf);
}
strbuf_addch(src, '/');
src_len = src->len;
strbuf_addch(dest, '/');
dest_len = dest->len;
while ((de = readdir(dir)) != NULL) {
strbuf_setlen(src, src_len);
strbuf_addstr(src, de->d_name);
strbuf_setlen(dest, dest_len);
strbuf_addstr(dest, de->d_name);
if (stat(src->buf, &buf)) {
warning (_("failed to stat %s\n"), src->buf);
continue;
}
if (S_ISDIR(buf.st_mode)) {
if (de->d_name[0] != '.')
copy_or_link_directory(src, dest,
src_repo, src_baselen);
continue;
}
/* Files that cannot be copied bit-for-bit... */
if (!strcmp(src->buf + src_baselen, "/info/alternates")) {
copy_alternates(src, dest, src_repo);
continue;
}
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
if (!link(src->buf, dest->buf))
continue;
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
option_no_hardlinks = 1;
}
if (copy_file_with_time(dest->buf, src->buf, 0666))
die_errno(_("failed to copy file to '%s'"), dest->buf);
}
closedir(dir);
}
static const char *setup_explicit_git_dir(const char *gitdirenv,
char *cwd, int len,
int *nongit_ok)
{
const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
const char *worktree;
char *gitfile;
int offset;
if (PATH_MAX - 40 < strlen(gitdirenv))
die("'$%s' too big", GIT_DIR_ENVIRONMENT);
gitfile = (char*)read_gitfile(gitdirenv);
if (gitfile) {
gitfile = xstrdup(gitfile);
gitdirenv = gitfile;
}
if (!is_git_directory(gitdirenv)) {
if (nongit_ok) {
*nongit_ok = 1;
free(gitfile);
return NULL;
}
die("Not a git repository: '%s'", gitdirenv);
}
if (check_repository_format_gently(gitdirenv, nongit_ok)) {
free(gitfile);
return NULL;
}
/* #3, #7, #11, #15, #19, #23, #27, #31 (see t1510) */
if (work_tree_env)
set_git_work_tree(work_tree_env);
else if (is_bare_repository_cfg > 0) {
if (git_work_tree_cfg) /* #22.2, #30 */
die("core.bare and core.worktree do not make sense");
/* #18, #26 */
set_git_dir(gitdirenv);
free(gitfile);
return NULL;
}
else if (git_work_tree_cfg) { /* #6, #14 */
if (is_absolute_path(git_work_tree_cfg))
set_git_work_tree(git_work_tree_cfg);
else {
char core_worktree[PATH_MAX];
if (chdir(gitdirenv))
die_errno("Could not chdir to '%s'", gitdirenv);
if (chdir(git_work_tree_cfg))
die_errno("Could not chdir to '%s'", git_work_tree_cfg);
if (!getcwd(core_worktree, PATH_MAX))
die_errno("Could not get directory '%s'", git_work_tree_cfg);
if (chdir(cwd))
die_errno("Could not come back to cwd");
set_git_work_tree(core_worktree);
}
}
else if (!git_env_bool(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, 1)) {
/* #16d */
set_git_dir(gitdirenv);
free(gitfile);
return NULL;
}
else /* #2, #10 */
set_git_work_tree(".");
/* set_git_work_tree() must have been called by now */
worktree = get_git_work_tree();
/* both get_git_work_tree() and cwd are already normalized */
if (!strcmp(cwd, worktree)) { /* cwd == worktree */
set_git_dir(gitdirenv);
free(gitfile);
return NULL;
}
offset = dir_inside_of(cwd, worktree);
if (offset >= 0) { /* cwd inside worktree? */
set_git_dir(real_path(gitdirenv));
if (chdir(worktree))
die_errno("Could not chdir to '%s'", worktree);
cwd[len++] = '/';
cwd[len] = '\0';
free(gitfile);
return cwd + offset;
}
/* cwd outside worktree */
set_git_dir(gitdirenv);
free(gitfile);
return NULL;
}
int chk_zero(int result, char *msg)
{
if (result != 0)
die_errno("%s", msg);
return result;
}
/*
* We cannot decide in this function whether we are in the work tree or
* not, since the config can only be read _after_ this function was called.
*/
static const char *setup_git_directory_gently_1(int *nongit_ok)
{
const char *env_ceiling_dirs = getenv(CEILING_DIRECTORIES_ENVIRONMENT);
struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
static char cwd[PATH_MAX + 1];
const char *gitdirenv, *ret;
char *gitfile;
int len, offset, offset_parent, ceil_offset = -1;
dev_t current_device = 0;
int one_filesystem = 1;
/*
* Let's assume that we are in a git repository.
* If it turns out later that we are somewhere else, the value will be
* updated accordingly.
*/
if (nongit_ok)
*nongit_ok = 0;
if (!getcwd(cwd, sizeof(cwd) - 1))
die_errno("Unable to read current working directory");
offset = len = strlen(cwd);
/*
* If GIT_DIR is set explicitly, we're not going
* to do any discovery, but we still do repository
* validation.
*/
gitdirenv = getenv(GIT_DIR_ENVIRONMENT);
if (gitdirenv)
return setup_explicit_git_dir(gitdirenv, cwd, len, nongit_ok);
if (env_ceiling_dirs) {
int empty_entry_found = 0;
string_list_split(&ceiling_dirs, env_ceiling_dirs, PATH_SEP, -1);
filter_string_list(&ceiling_dirs, 0,
canonicalize_ceiling_entry, &empty_entry_found);
ceil_offset = longest_ancestor_length(cwd, &ceiling_dirs);
string_list_clear(&ceiling_dirs, 0);
}
if (ceil_offset < 0 && has_dos_drive_prefix(cwd))
ceil_offset = 1;
/*
* Test in the following order (relative to the cwd):
* - .git (file containing "gitdir: <path>")
* - .git/
* - ./ (bare)
* - ../.git
* - ../.git/
* - ../ (bare)
* - ../../.git/
* etc.
*/
one_filesystem = !git_env_bool("GIT_DISCOVERY_ACROSS_FILESYSTEM", 0);
if (one_filesystem)
current_device = get_device_or_die(".", NULL, 0);
for (;;) {
gitfile = (char*)read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT);
if (gitfile)
gitdirenv = gitfile = xstrdup(gitfile);
else {
if (is_git_directory(DEFAULT_GIT_DIR_ENVIRONMENT))
gitdirenv = DEFAULT_GIT_DIR_ENVIRONMENT;
}
if (gitdirenv) {
ret = setup_discovered_git_dir(gitdirenv,
cwd, offset, len,
nongit_ok);
free(gitfile);
return ret;
}
free(gitfile);
if (is_git_directory("."))
return setup_bare_git_dir(cwd, offset, len, nongit_ok);
offset_parent = offset;
while (--offset_parent > ceil_offset && cwd[offset_parent] != '/');
if (offset_parent <= ceil_offset)
return setup_nongit(cwd, nongit_ok);
if (one_filesystem) {
dev_t parent_device = get_device_or_die("..", cwd, offset);
if (parent_device != current_device) {
if (nongit_ok) {
if (chdir(cwd))
die_errno("Cannot come back to cwd");
*nongit_ok = 1;
return NULL;
}
cwd[offset] = '\0';
die("Not a git repository (or any parent up to mount point %s)\n"
"Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).", cwd);
}
}
if (chdir("..")) {
cwd[offset] = '\0';
die_errno("Cannot change to '%s/..'", cwd);
}
offset = offset_parent;
}
}
int chk_non_negative(int result, char *msg)
{
if (result < 0)
die_errno("%s", msg);
return result;
}
/* Get the name for the merge commit's message. */
static void merge_name(const char *remote, struct strbuf *msg)
{
struct object *remote_head;
unsigned char branch_head[20], buf_sha[20];
struct strbuf buf = STRBUF_INIT;
struct strbuf bname = STRBUF_INIT;
const char *ptr;
char *found_ref;
int len, early;
strbuf_branchname(&bname, remote);
remote = bname.buf;
memset(branch_head, 0, sizeof(branch_head));
remote_head = peel_to_type(remote, 0, NULL, OBJ_COMMIT);
if (!remote_head)
die("'%s' does not point to a commit", remote);
if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
if (!prefixcmp(found_ref, "refs/heads/")) {
strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
sha1_to_hex(branch_head), remote);
goto cleanup;
}
if (!prefixcmp(found_ref, "refs/remotes/")) {
strbuf_addf(msg, "%s\t\tremote branch '%s' of .\n",
sha1_to_hex(branch_head), remote);
goto cleanup;
}
}
/* See if remote matches <name>^^^.. or <name>~<number> */
for (len = 0, ptr = remote + strlen(remote);
remote < ptr && ptr[-1] == '^';
ptr--)
len++;
if (len)
early = 1;
else {
early = 0;
ptr = strrchr(remote, '~');
if (ptr) {
int seen_nonzero = 0;
len++; /* count ~ */
while (*++ptr && isdigit(*ptr)) {
seen_nonzero |= (*ptr != '0');
len++;
}
if (*ptr)
len = 0; /* not ...~<number> */
else if (seen_nonzero)
early = 1;
else if (len == 1)
early = 1; /* "name~" is "name~1"! */
}
}
if (len) {
struct strbuf truname = STRBUF_INIT;
strbuf_addstr(&truname, "refs/heads/");
strbuf_addstr(&truname, remote);
strbuf_setlen(&truname, truname.len - len);
if (resolve_ref(truname.buf, buf_sha, 0, NULL)) {
strbuf_addf(msg,
"%s\t\tbranch '%s'%s of .\n",
sha1_to_hex(remote_head->sha1),
truname.buf + 11,
(early ? " (early part)" : ""));
strbuf_release(&truname);
goto cleanup;
}
}
if (!strcmp(remote, "FETCH_HEAD") &&
!access(git_path("FETCH_HEAD"), R_OK)) {
FILE *fp;
struct strbuf line = STRBUF_INIT;
char *ptr;
fp = fopen(git_path("FETCH_HEAD"), "r");
if (!fp)
die_errno("could not open '%s' for reading",
git_path("FETCH_HEAD"));
strbuf_getline(&line, fp, '\n');
fclose(fp);
ptr = strstr(line.buf, "\tnot-for-merge\t");
if (ptr)
strbuf_remove(&line, ptr-line.buf+1, 13);
strbuf_addbuf(msg, &line);
strbuf_release(&line);
goto cleanup;
}
strbuf_addf(msg, "%s\t\tcommit '%s'\n",
sha1_to_hex(remote_head->sha1), remote);
cleanup:
strbuf_release(&buf);
strbuf_release(&bname);
}