static struct complete_reflogs *read_complete_reflog(const char *ref)
{
struct complete_reflogs *reflogs =
xcalloc(1, sizeof(struct complete_reflogs));
reflogs->ref = xstrdup(ref);
for_each_reflog_ent(ref, read_one_reflog, reflogs);
if (reflogs->nr == 0) {
struct object_id oid;
const char *name;
void *name_to_free;
name = name_to_free = resolve_refdup(ref, RESOLVE_REF_READING,
oid.hash, NULL);
if (name) {
for_each_reflog_ent(name, read_one_reflog, reflogs);
free(name_to_free);
}
}
if (reflogs->nr == 0) {
char *refname = xstrfmt("refs/%s", ref);
for_each_reflog_ent(refname, read_one_reflog, reflogs);
if (reflogs->nr == 0) {
free(refname);
refname = xstrfmt("refs/heads/%s", ref);
for_each_reflog_ent(refname, read_one_reflog, reflogs);
}
free(refname);
}
return reflogs;
}
static void name_rev(struct commit *commit,
const char *tip_name, int generation, int distance,
int deref)
{
struct rev_name *name = (struct rev_name *)commit->util;
struct commit_list *parents;
int parent_number = 1;
parse_commit(commit);
if (commit->date < cutoff)
return;
if (deref) {
tip_name = xstrfmt("%s^0", tip_name);
if (generation)
die("generation: %d, but deref?", generation);
}
if (name == NULL) {
name = xmalloc(sizeof(rev_name));
commit->util = name;
goto copy_data;
} else if (name->distance > distance) {
copy_data:
name->tip_name = tip_name;
name->generation = generation;
name->distance = distance;
} else
return;
for (parents = commit->parents;
parents;
parents = parents->next, parent_number++) {
if (parent_number > 1) {
size_t len;
char *new_name;
strip_suffix(tip_name, "^0", &len);
if (generation > 0)
new_name = xstrfmt("%.*s~%d^%d", (int)len, tip_name,
generation, parent_number);
else
new_name = xstrfmt("%.*s^%d", (int)len, tip_name,
parent_number);
name_rev(parents->item, new_name, 0,
distance + MERGE_TRAVERSAL_WEIGHT, 0);
} else {
name_rev(parents->item, tip_name, generation + 1,
distance + 1, 0);
}
}
}
static int bisect_next_check(const struct bisect_terms *terms,
const char *current_term)
{
int missing_good = 1, missing_bad = 1, retval = 0;
const char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad);
const char *good_glob = xstrfmt("%s-*", terms->term_good);
if (ref_exists(bad_ref))
missing_bad = 0;
for_each_glob_ref_in(mark_good, good_glob, "refs/bisect/",
(void *) &missing_good);
if (!missing_good && !missing_bad)
goto finish;
if (!current_term) {
retval = -1;
goto finish;
}
if (missing_good && !missing_bad &&
!strcmp(current_term, terms->term_good)) {
char *yesno;
/*
* have bad (or new) but not good (or old). We could bisect
* although this is less optimum.
*/
warning(_("bisecting only with a %s commit"), terms->term_bad);
if (!isatty(0))
goto finish;
/*
* TRANSLATORS: Make sure to include [Y] and [n] in your
* translation. The program will only accept English input
* at this point.
*/
yesno = git_prompt(_("Are you sure [Y/n]? "), PROMPT_ECHO);
if (starts_with(yesno, "N") || starts_with(yesno, "n"))
retval = -1;
goto finish;
}
if (!is_empty_or_missing_file(git_path_bisect_start())) {
retval = error(_(need_bad_and_good_revision_warning),
vocab_bad, vocab_good, vocab_bad, vocab_good);
} else {
retval = error(_(need_bisect_start_warning),
vocab_good, vocab_bad, vocab_good, vocab_bad);
}
finish:
free((void *) good_glob);
free((void *) bad_ref);
return retval;
}
static int check_term_format(const char *term, const char *orig_term)
{
int res;
char *new_term = xstrfmt("refs/bisect/%s", term);
res = check_refname_format(new_term, 0);
free(new_term);
if (res)
return error(_("'%s' is not a valid term"), term);
if (one_of(term, "help", "start", "skip", "next", "reset",
"visualize", "view", "replay", "log", "run", "terms", NULL))
return error(_("can't use the builtin command '%s' as a term"), term);
/*
* In theory, nothing prevents swapping completely good and bad,
* but this situation could be confusing and hasn't been tested
* enough. Forbid it for now.
*/
if ((strcmp(orig_term, "bad") && one_of(term, "bad", "new", NULL)) ||
(strcmp(orig_term, "good") && one_of(term, "good", "old", NULL)))
return error(_("can't change the meaning of the term '%s'"), term);
return 0;
}
/*
* Normalize "path", prepending the "prefix" for relative paths. If
* remaining_prefix is not NULL, return the actual prefix still
* remains in the path. For example, prefix = sub1/sub2/ and path is
*
* foo -> sub1/sub2/foo (full prefix)
* ../foo -> sub1/foo (remaining prefix is sub1/)
* ../../bar -> bar (no remaining prefix)
* ../../sub1/sub2/foo -> sub1/sub2/foo (but no remaining prefix)
* `pwd`/../bar -> sub1/bar (no remaining prefix)
*/
char *prefix_path_gently(const char *prefix, int len,
int *remaining_prefix, const char *path)
{
const char *orig = path;
char *sanitized;
if (is_absolute_path(orig)) {
sanitized = xmalloc(strlen(path) + 1);
if (remaining_prefix)
*remaining_prefix = 0;
if (normalize_path_copy_len(sanitized, path, remaining_prefix)) {
free(sanitized);
return NULL;
}
if (abspath_part_inside_repo(sanitized)) {
free(sanitized);
return NULL;
}
} else {
sanitized = xstrfmt("%.*s%s", len, prefix, path);
if (remaining_prefix)
*remaining_prefix = len;
if (normalize_path_copy_len(sanitized, sanitized, remaining_prefix)) {
free(sanitized);
return NULL;
}
}
return sanitized;
}
static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, const char *format)
{
struct ref_array array;
char *to_free = NULL;
int i;
memset(&array, 0, sizeof(array));
if (filter->lines == -1)
filter->lines = 0;
if (!format) {
if (filter->lines) {
to_free = xstrfmt("%s %%(contents:lines=%d)",
"%(align:15)%(refname:strip=2)%(end)",
filter->lines);
format = to_free;
} else
format = "%(refname:strip=2)";
}
verify_ref_format(format);
filter->with_commit_tag_algo = 1;
filter_refs(&array, filter, FILTER_REFS_TAGS);
ref_array_sort(sorting, &array);
for (i = 0; i < array.nr; i++)
show_ref_array_item(array.items[i], format, 0);
ref_array_clear(&array);
free(to_free);
return 0;
}
static int get_message(struct commit *commit, struct commit_message *out)
{
const char *abbrev, *subject;
int subject_len;
out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding());
abbrev = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV);
subject_len = find_commit_subject(out->message, &subject);
out->subject = xmemdupz(subject, subject_len);
out->label = xstrfmt("%s... %s", abbrev, out->subject);
out->parent_label = xstrfmt("parent of %s", out->label);
return 0;
}
static void fetch_symref(const char *path, char **symref, struct object_id *oid)
{
char *url = xstrfmt("%s%s", repo->url, path);
struct strbuf buffer = STRBUF_INIT;
const char *name;
if (http_get_strbuf(url, &buffer, NULL) != HTTP_OK)
die("Couldn't get %s for remote symref\n%s", url,
curl_errorstr);
free(url);
FREE_AND_NULL(*symref);
oidclr(oid);
if (buffer.len == 0)
return;
/* Cut off trailing newline. */
strbuf_rtrim(&buffer);
/* If it's a symref, set the refname; otherwise try for a sha1 */
if (skip_prefix(buffer.buf, "ref: ", &name)) {
*symref = xmemdupz(name, buffer.len - (name - buffer.buf));
} else {
get_oid_hex(buffer.buf, oid);
}
strbuf_release(&buffer);
}
static void name_rev(struct commit *commit,
const char *tip_name, int generation, int distance,
int deref)
{
struct rev_name *name = (struct rev_name *)commit->util;
struct commit_list *parents;
int parent_number = 1;
parse_commit(commit);
if (commit->date < cutoff)
return;
if (deref) {
tip_name = xstrfmt("%s^0", tip_name);
if (generation)
die("generation: %d, but deref?", generation);
}
if (name == NULL) {
name = xmalloc(sizeof(rev_name));
commit->util = name;
goto copy_data;
} else if (name->distance > distance) {
copy_data:
name->tip_name = tip_name;
name->generation = generation;
name->distance = distance;
} else
return;
for (parents = commit->parents;
parents;
parents = parents->next, parent_number++) {
if (parent_number > 1) {
int len = strlen(tip_name);
char *new_name = xmalloc(len +
1 + decimal_length(generation) + /* ~<n> */
1 + 2 + /* ^NN */
1);
if (len > 2 && !strcmp(tip_name + len - 2, "^0"))
len -= 2;
if (generation > 0)
sprintf(new_name, "%.*s~%d^%d", len, tip_name,
generation, parent_number);
else
sprintf(new_name, "%.*s^%d", len, tip_name,
parent_number);
name_rev(parents->item, new_name, 0,
distance + MERGE_TRAVERSAL_WEIGHT, 0);
} else {
name_rev(parents->item, tip_name, generation + 1,
distance + 1, 0);
}
}
}
void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
const char *cmd)
{
int i;
const char **msgs = opts->msgs;
const char *msg;
const char *cmd2 = strcmp(cmd, "checkout") ? cmd : "switch branches";
if (advice_commit_before_merge)
msg = "Your local changes to the following files would be overwritten by %s:\n%%s"
"Please, commit your changes or stash them before you can %s.";
else
msg = "Your local changes to the following files would be overwritten by %s:\n%%s";
msgs[ERROR_WOULD_OVERWRITE] = msgs[ERROR_NOT_UPTODATE_FILE] =
xstrfmt(msg, cmd, cmd2);
msgs[ERROR_NOT_UPTODATE_DIR] =
"Updating the following directories would lose untracked files in it:\n%s";
if (advice_commit_before_merge)
msg = "The following untracked working tree files would be %s by %s:\n%%s"
"Please move or remove them before you can %s.";
else
msg = "The following untracked working tree files would be %s by %s:\n%%s";
msgs[ERROR_WOULD_LOSE_UNTRACKED_REMOVED] = xstrfmt(msg, "removed", cmd, cmd2);
msgs[ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN] = xstrfmt(msg, "overwritten", cmd, cmd2);
/*
* Special case: ERROR_BIND_OVERLAP refers to a pair of paths, we
* cannot easily display it as a list.
*/
msgs[ERROR_BIND_OVERLAP] = "Entry '%s' overlaps with '%s'. Cannot bind.";
msgs[ERROR_SPARSE_NOT_UPTODATE_FILE] =
"Cannot update sparse checkout: the following entries are not up-to-date:\n%s";
msgs[ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN] =
"The following Working tree files would be overwritten by sparse checkout update:\n%s";
msgs[ERROR_WOULD_LOSE_ORPHANED_REMOVED] =
"The following Working tree files would be removed by sparse checkout update:\n%s";
opts->show_all_errors = 1;
/* rejected paths may not have a static buffer */
for (i = 0; i < ARRAY_SIZE(opts->unpack_rejects); i++)
opts->unpack_rejects[i].strdup_strings = 1;
}
static void expand_base_dir(char **out, const char *in,
const char *base_dir, const char *def_in)
{
free(*out);
if (in)
*out = xstrdup(in);
else
*out = xstrfmt("%s/%s", base_dir, def_in);
}
static char *git_path_from_env(const char *envvar, const char *git_dir,
const char *path, int fromenv)
{
if (fromenv) {
const char *value = getenv(envvar);
if (value)
return xstrdup(value);
}
return xstrfmt("%s/%s", git_dir, path);
}
static void show_datestring(const char *flag, const char *datestr)
{
char *buffer;
/* date handling requires both flags and revs */
if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
return;
buffer = xstrfmt("%s%"PRItime, flag, approxidate(datestr));
show(buffer);
free(buffer);
}
const char *unique_tracking_name(const char *name, struct object_id *oid)
{
struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 };
cb_data.src_ref = xstrfmt("refs/heads/%s", name);
cb_data.dst_oid = oid;
for_each_remote(check_tracking_name, &cb_data);
free(cb_data.src_ref);
if (cb_data.unique)
return cb_data.dst_ref;
free(cb_data.dst_ref);
return NULL;
}
static char *get_socket_path(void)
{
struct stat sb;
char *old_dir, *socket;
old_dir = expand_user_path("~/.git-credential-cache", 0);
if (old_dir && !stat(old_dir, &sb) && S_ISDIR(sb.st_mode))
socket = xstrfmt("%s/socket", old_dir);
else
socket = xdg_cache_home("credential/socket");
free(old_dir);
return socket;
}
/*
* Match one itself and its subtrees with two and pick the best match.
*/
static void match_trees(const unsigned char *hash1,
const unsigned char *hash2,
int *best_score,
char **best_match,
const char *base,
int recurse_limit)
{
struct tree_desc one;
void *one_buf = fill_tree_desc_strict(&one, hash1);
while (one.size) {
const char *path;
const unsigned char *elem;
unsigned mode;
int score;
elem = tree_entry_extract(&one, &path, &mode);
if (!S_ISDIR(mode))
goto next;
score = score_trees(elem, hash2);
if (*best_score < score) {
free(*best_match);
*best_match = xstrfmt("%s%s", base, path);
*best_score = score;
}
if (recurse_limit) {
char *newbase = xstrfmt("%s%s/", base, path);
match_trees(elem, hash2, best_score, best_match,
newbase, recurse_limit - 1);
free(newbase);
}
next:
update_tree_entry(&one);
}
free(one_buf);
}
static void log_commit(FILE *fp, char *fmt, const char *state,
struct commit *commit)
{
struct pretty_print_context pp = {0};
struct strbuf commit_msg = STRBUF_INIT;
char *label = xstrfmt(fmt, state);
format_commit_message(commit, "%s", &commit_msg, &pp);
fprintf(fp, "# %s: [%s] %s\n", label, oid_to_hex(&commit->object.oid),
commit_msg.buf);
strbuf_release(&commit_msg);
free(label);
}
/*
* Initialize 'submodule' as the submodule given by 'path' in parent repository
* 'superproject'.
* Return 0 upon success and a non-zero value upon failure.
*/
int repo_submodule_init(struct repository *submodule,
struct repository *superproject,
const char *path)
{
const struct submodule *sub;
struct strbuf gitdir = STRBUF_INIT;
struct strbuf worktree = STRBUF_INIT;
int ret = 0;
sub = submodule_from_path(superproject, &null_oid, path);
if (!sub) {
ret = -1;
goto out;
}
strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
strbuf_repo_worktree_path(&worktree, superproject, "%s", path);
if (repo_init(submodule, gitdir.buf, worktree.buf)) {
/*
* If initilization fails then it may be due to the submodule
* not being populated in the superproject's worktree. Instead
* we can try to initilize the submodule by finding it's gitdir
* in the superproject's 'modules' directory. In this case the
* submodule would not have a worktree.
*/
strbuf_reset(&gitdir);
strbuf_repo_git_path(&gitdir, superproject,
"modules/%s", sub->name);
if (repo_init(submodule, gitdir.buf, NULL)) {
ret = -1;
goto out;
}
}
submodule->submodule_prefix = xstrfmt("%s%s/",
superproject->submodule_prefix ?
superproject->submodule_prefix :
"", path);
out:
strbuf_release(&gitdir);
strbuf_release(&worktree);
return ret;
}
/*
* Is there one among the list of patterns that match the tail part
* of the path?
*/
static int tail_match(const char **pattern, const char *path)
{
const char *p;
char *pathbuf;
if (!pattern)
return 1; /* no restriction */
pathbuf = xstrfmt("/%s", path);
while ((p = *(pattern++)) != NULL) {
if (!wildmatch(p, pathbuf, 0, NULL)) {
free(pathbuf);
return 1;
}
}
free(pathbuf);
return 0;
}
static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid,
timestamp_t timestamp)
{
struct object *obj;
if (!is_null_oid(oid)) {
obj = lookup_object(oid->hash);
if (obj && (obj->flags & HAS_OBJ)) {
if (timestamp && name_objects)
add_decoration(fsck_walk_options.object_names,
obj,
xstrfmt("%s@{%"PRItime"}", refname, timestamp));
obj->flags |= USED;
mark_object_reachable(obj);
} else if (!is_promisor_object(oid)) {
error("%s: invalid reflog entry %s", refname, oid_to_hex(oid));
errors_found |= ERROR_REACHABLE;
}
}
}
/*
* Strip username (and password) from a URL and return
* it in a newly allocated string.
*/
char *transport_anonymize_url(const char *url)
{
char *scheme_prefix, *anon_part;
size_t anon_len, prefix_len = 0;
anon_part = strchr(url, '@');
if (url_is_local_not_ssh(url) || !anon_part)
goto literal_copy;
anon_len = strlen(++anon_part);
scheme_prefix = strstr(url, "://");
if (!scheme_prefix) {
if (!strchr(anon_part, ':'))
/* cannot be "me@there:/path/name" */
goto literal_copy;
} else {
const char *cp;
/* make sure scheme is reasonable */
for (cp = url; cp < scheme_prefix; cp++) {
switch (*cp) {
/* RFC 1738 2.1 */
case '+': case '.': case '-':
break; /* ok */
default:
if (isalnum(*cp))
break;
/* it isn't */
goto literal_copy;
}
}
/* @ past the first slash does not count */
cp = strchr(scheme_prefix + 3, '/');
if (cp && cp < anon_part)
goto literal_copy;
prefix_len = scheme_prefix - url + 3;
}
return xstrfmt("%.*s%.*s", (int)prefix_len, url,
(int)anon_len, anon_part);
literal_copy:
return xstrdup(url);
}
/**
* Returns the default configured value for --rebase. It first looks for the
* value of "branch.$curr_branch.rebase", where $curr_branch is the current
* branch, and if HEAD is detached or the configuration key does not exist,
* looks for the value of "pull.rebase". If both configuration keys do not
* exist, returns REBASE_FALSE.
*/
static enum rebase_type config_get_rebase(void)
{
struct branch *curr_branch = branch_get("HEAD");
const char *value;
if (curr_branch) {
char *key = xstrfmt("branch.%s.rebase", curr_branch->name);
if (!git_config_get_value(key, &value)) {
enum rebase_type ret = parse_config_rebase(key, value, 1);
free(key);
return ret;
}
free(key);
}
if (!git_config_get_value("pull.rebase", &value))
return parse_config_rebase("pull.rebase", value, 1);
return REBASE_FALSE;
}
static enum protocol_allow_config get_protocol_config(const char *type)
{
char *key = xstrfmt("protocol.%s.allow", type);
char *value;
/* first check the per-protocol config */
if (!git_config_get_string(key, &value)) {
enum protocol_allow_config ret =
parse_protocol_config(key, value);
free(key);
free(value);
return ret;
}
free(key);
/* if defined, fallback to user-defined default for unknown protocols */
if (!git_config_get_string("protocol.allow", &value)) {
enum protocol_allow_config ret =
parse_protocol_config("protocol.allow", value);
free(value);
return ret;
}
/* fallback to built-in defaults */
/* known safe */
if (!strcmp(type, "http") ||
!strcmp(type, "https") ||
!strcmp(type, "git") ||
!strcmp(type, "ssh") ||
!strcmp(type, "file"))
return PROTOCOL_ALLOW_ALWAYS;
/* known scary; err on the side of caution */
if (!strcmp(type, "ext"))
return PROTOCOL_ALLOW_NEVER;
/* unknown; by default let them be used only directly by the user */
return PROTOCOL_ALLOW_USER_ONLY;
}
static int remote_exists(const char *path)
{
char *url = xstrfmt("%s%s", repo->url, path);
int ret;
switch (http_get_strbuf(url, NULL, NULL)) {
case HTTP_OK:
ret = 1;
break;
case HTTP_MISSING_TARGET:
ret = 0;
break;
case HTTP_ERROR:
error("unable to access '%s': %s", url, curl_errorstr);
/* fallthrough */
default:
ret = -1;
}
free(url);
return ret;
}
void stop_progress_msg(struct progress **p_progress, const char *msg)
{
struct progress *progress = *p_progress;
if (!progress)
return;
*p_progress = NULL;
if (progress->last_value != -1) {
/* Force the last update */
char *buf;
struct throughput *tp = progress->throughput;
if (tp) {
uint64_t now_ns = getnanotime();
unsigned int misecs, rate;
misecs = ((now_ns - progress->start_ns) * 4398) >> 32;
rate = tp->curr_total / (misecs ? misecs : 1);
throughput_string(&tp->display, tp->curr_total, rate);
}
progress_update = 1;
buf = xstrfmt(", %s.\n", msg);
display(progress, progress->last_value, buf);
free(buf);
}
/*
* Try to read the location of the git directory from the .git file,
* return path to git directory if found.
*
* On failure, if return_error_code is not NULL, return_error_code
* will be set to an error code and NULL will be returned. If
* return_error_code is NULL the function will die instead (for most
* cases).
*/
const char *read_gitfile_gently(const char *path, int *return_error_code)
{
const int max_file_size = 1 << 20; /* 1MB */
int error_code = 0;
char *buf = NULL;
char *dir = NULL;
const char *slash;
struct stat st;
int fd;
ssize_t len;
if (stat(path, &st)) {
error_code = READ_GITFILE_ERR_STAT_FAILED;
goto cleanup_return;
}
if (!S_ISREG(st.st_mode)) {
error_code = READ_GITFILE_ERR_NOT_A_FILE;
goto cleanup_return;
}
if (st.st_size > max_file_size) {
error_code = READ_GITFILE_ERR_TOO_LARGE;
goto cleanup_return;
}
fd = open(path, O_RDONLY);
if (fd < 0) {
error_code = READ_GITFILE_ERR_OPEN_FAILED;
goto cleanup_return;
}
buf = xmalloc(st.st_size + 1);
len = read_in_full(fd, buf, st.st_size);
close(fd);
if (len != st.st_size) {
error_code = READ_GITFILE_ERR_READ_FAILED;
goto cleanup_return;
}
buf[len] = '\0';
if (!starts_with(buf, "gitdir: ")) {
error_code = READ_GITFILE_ERR_INVALID_FORMAT;
goto cleanup_return;
}
while (buf[len - 1] == '\n' || buf[len - 1] == '\r')
len--;
if (len < 9) {
error_code = READ_GITFILE_ERR_NO_PATH;
goto cleanup_return;
}
buf[len] = '\0';
dir = buf + 8;
if (!is_absolute_path(dir) && (slash = strrchr(path, '/'))) {
size_t pathlen = slash+1 - path;
dir = xstrfmt("%.*s%.*s", (int)pathlen, path,
(int)(len - 8), buf + 8);
free(buf);
buf = dir;
}
if (!is_git_directory(dir)) {
error_code = READ_GITFILE_ERR_NOT_A_REPO;
goto cleanup_return;
}
update_linked_gitdir(path, dir);
path = real_path(dir);
cleanup_return:
if (return_error_code)
*return_error_code = error_code;
else if (error_code) {
switch (error_code) {
case READ_GITFILE_ERR_STAT_FAILED:
case READ_GITFILE_ERR_NOT_A_FILE:
/* non-fatal; follow return path */
break;
case READ_GITFILE_ERR_OPEN_FAILED:
die_errno("Error opening '%s'", path);
case READ_GITFILE_ERR_TOO_LARGE:
die("Too large to be a .git file: '%s'", path);
case READ_GITFILE_ERR_READ_FAILED:
die("Error reading %s", path);
case READ_GITFILE_ERR_INVALID_FORMAT:
die("Invalid gitfile format: %s", path);
case READ_GITFILE_ERR_NO_PATH:
die("No path in gitfile: %s", path);
case READ_GITFILE_ERR_NOT_A_REPO:
die("Not a git repository: %s", dir);
default:
assert(0);
}
}
free(buf);
return error_code ? NULL : path;
}
static int try_parent_shorthands(const char *arg)
{
char *dotdot;
unsigned char sha1[20];
struct commit *commit;
struct commit_list *parents;
int parent_number;
int include_rev = 0;
int include_parents = 0;
int exclude_parent = 0;
if ((dotdot = strstr(arg, "^!"))) {
include_rev = 1;
if (dotdot[2])
return 0;
} else if ((dotdot = strstr(arg, "^@"))) {
include_parents = 1;
if (dotdot[2])
return 0;
} else if ((dotdot = strstr(arg, "^-"))) {
include_rev = 1;
exclude_parent = 1;
if (dotdot[2]) {
char *end;
exclude_parent = strtoul(dotdot + 2, &end, 10);
if (*end != '\0' || !exclude_parent)
return 0;
}
} else
return 0;
*dotdot = 0;
if (get_sha1_committish(arg, sha1)) {
*dotdot = '^';
return 0;
}
commit = lookup_commit_reference(sha1);
if (exclude_parent &&
exclude_parent > commit_list_count(commit->parents)) {
*dotdot = '^';
return 0;
}
if (include_rev)
show_rev(NORMAL, sha1, arg);
for (parents = commit->parents, parent_number = 1;
parents;
parents = parents->next, parent_number++) {
char *name = NULL;
if (exclude_parent && parent_number != exclude_parent)
continue;
if (symbolic)
name = xstrfmt("%s^%d", arg, parent_number);
show_rev(include_parents ? NORMAL : REVERSED,
parents->item->object.oid.hash, name);
free(name);
}
*dotdot = '^';
return 1;
}
int walker_fetch(struct walker *walker, int targets, char **target,
const char **write_ref, const char *write_ref_log_details)
{
struct strbuf refname = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
struct transaction *transaction = NULL;
unsigned char *sha1 = xmalloc(targets * 20);
char *msg = NULL;
int i, ret = -1;
save_commit_buffer = 0;
if (write_ref) {
transaction = transaction_begin(&err);
if (!transaction) {
error("%s", err.buf);
goto done;
}
}
if (!walker->get_recover) {
for_each_ref(mark_complete, NULL);
commit_list_sort_by_date(&complete);
}
for (i = 0; i < targets; i++) {
if (interpret_target(walker, target[i], &sha1[20 * i])) {
error("Could not interpret response from server '%s' as something to pull", target[i]);
goto done;
}
if (process(walker, lookup_unknown_object(&sha1[20 * i])))
goto done;
}
if (loop(walker))
goto done;
if (!write_ref) {
ret = 0;
goto done;
}
if (write_ref_log_details) {
msg = xstrfmt("fetch from %s", write_ref_log_details);
} else {
msg = NULL;
}
for (i = 0; i < targets; i++) {
if (!write_ref[i])
continue;
strbuf_reset(&refname);
strbuf_addf(&refname, "refs/%s", write_ref[i]);
if (transaction_update_ref(transaction, refname.buf,
&sha1[20 * i], NULL, 0, 0,
msg ? msg : "fetch (unknown)",
&err)) {
error("%s", err.buf);
goto done;
}
}
if (transaction_commit(transaction, &err)) {
error("%s", err.buf);
goto done;
}
ret = 0;
done:
transaction_free(transaction);
free(msg);
free(sha1);
strbuf_release(&err);
strbuf_release(&refname);
return ret;
}
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);
}
static char *guess_dir_name(const char *repo, int is_bundle, int is_bare)
{
const char *end = repo + strlen(repo), *start, *ptr;
size_t len;
char *dir;
/*
* Skip scheme.
*/
start = strstr(repo, "://");
if (start == NULL)
start = repo;
else
start += 3;
/*
* Skip authentication data. The stripping does happen
* greedily, such that we strip up to the last '@' inside
* the host part.
*/
for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) {
if (*ptr == '@')
start = ptr + 1;
}
/*
* Strip trailing spaces, slashes and /.git
*/
while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1])))
end--;
if (end - start > 5 && is_dir_sep(end[-5]) &&
!strncmp(end - 4, ".git", 4)) {
end -= 5;
while (start < end && is_dir_sep(end[-1]))
end--;
}
/*
* Strip trailing port number if we've got only a
* hostname (that is, there is no dir separator but a
* colon). This check is required such that we do not
* strip URI's like '/foo/bar:2222.git', which should
* result in a dir '2222' being guessed due to backwards
* compatibility.
*/
if (memchr(start, '/', end - start) == NULL
&& memchr(start, ':', end - start) != NULL) {
ptr = end;
while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':')
ptr--;
if (start < ptr && ptr[-1] == ':')
end = ptr - 1;
}
/*
* Find last component. To remain backwards compatible we
* also regard colons as path separators, such that
* cloning a repository 'foo:bar.git' would result in a
* directory 'bar' being guessed.
*/
ptr = end;
while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':')
ptr--;
start = ptr;
/*
* Strip .{bundle,git}.
*/
len = end - start;
strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git");
if (!len || (len == 1 && *start == '/'))
die(_("No directory name could be guessed.\n"
"Please specify a directory on the command line"));
if (is_bare)
dir = xstrfmt("%.*s.git", (int)len, start);
else
dir = xstrndup(start, len);
/*
* Replace sequences of 'control' characters and whitespace
* with one ascii space, remove leading and trailing spaces.
*/
if (*dir) {
char *out = dir;
int prev_space = 1 /* strip leading whitespace */;
for (end = dir; *end; ++end) {
char ch = *end;
if ((unsigned char)ch < '\x20')
ch = '\x20';
if (isspace(ch)) {
if (prev_space)
continue;
prev_space = 1;
} else
prev_space = 0;
*out++ = ch;
}
*out = '\0';
if (out > dir && prev_space)
out[-1] = '\0';
}
return dir;
}
