static void find_non_local_tags(struct transport *transport,
struct ref **head,
struct ref ***tail)
{
struct string_list existing_refs = { NULL, 0, 0, 0 };
struct string_list new_refs = { NULL, 0, 0, 1 };
char *ref_name;
int ref_name_len;
const unsigned char *ref_sha1;
const struct ref *tag_ref;
struct ref *rm = NULL;
const struct ref *ref;
for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
if (prefixcmp(ref->name, "refs/tags"))
continue;
ref_name = xstrdup(ref->name);
ref_name_len = strlen(ref_name);
ref_sha1 = ref->old_sha1;
if (!strcmp(ref_name + ref_name_len - 3, "^{}")) {
ref_name[ref_name_len - 3] = 0;
tag_ref = transport_get_remote_refs(transport);
while (tag_ref) {
if (!strcmp(tag_ref->name, ref_name)) {
ref_sha1 = tag_ref->old_sha1;
break;
}
tag_ref = tag_ref->next;
}
}
if (!string_list_has_string(&existing_refs, ref_name) &&
!string_list_has_string(&new_refs, ref_name) &&
(has_sha1_file(ref->old_sha1) ||
will_fetch(head, ref->old_sha1))) {
string_list_insert(ref_name, &new_refs);
rm = alloc_ref(ref_name);
rm->peer_ref = alloc_ref(ref_name);
hashcpy(rm->old_sha1, ref_sha1);
**tail = rm;
*tail = &rm->next;
}
free(ref_name);
}
string_list_clear(&existing_refs, 0);
string_list_clear(&new_refs, 0);
}
const char *find_descendant_ref(const char *dirname,
const struct string_list *extras,
const struct string_list *skip)
{
int pos;
if (!extras)
return NULL;
/*
* Look at the place where dirname would be inserted into
* extras. If there is an entry at that position that starts
* with dirname (remember, dirname includes the trailing
* slash) and is not in skip, then we have a conflict.
*/
for (pos = string_list_find_insert_index(extras, dirname, 0);
pos < extras->nr; pos++) {
const char *extra_refname = extras->items[pos].string;
if (!starts_with(extra_refname, dirname))
break;
if (!skip || !string_list_has_string(skip, extra_refname))
return extra_refname;
}
return NULL;
}
static char *unique_path(struct merge_options *o, const char *path, const char *branch)
{
char *newpath = xmalloc(strlen(path) + 1 + strlen(branch) + 8 + 1);
int suffix = 0;
struct stat st;
char *p = newpath + strlen(path);
strcpy(newpath, path);
*(p++) = '~';
strcpy(p, branch);
for (; *p; ++p)
if ('/' == *p)
*p = '_';
while (string_list_has_string(&o->current_file_set, newpath) ||
string_list_has_string(&o->current_directory_set, newpath) ||
lstat(newpath, &st) == 0)
sprintf(p, "_%d", suffix++);
string_list_insert(newpath, &o->current_file_set);
return newpath;
}
static void conflict_rename_rename(struct merge_options *o,
struct rename *ren1,
const char *branch1,
struct rename *ren2,
const char *branch2)
{
char *del[2];
int delp = 0;
const char *ren1_dst = ren1->pair->two->path;
const char *ren2_dst = ren2->pair->two->path;
const char *dst_name1 = ren1_dst;
const char *dst_name2 = ren2_dst;
if (string_list_has_string(&o->current_directory_set, ren1_dst)) {
dst_name1 = del[delp++] = unique_path(o, ren1_dst, branch1);
output(o, 1, "%s is a directory in %s adding as %s instead",
ren1_dst, branch2, dst_name1);
remove_file(o, 0, ren1_dst, 0);
}
if (string_list_has_string(&o->current_directory_set, ren2_dst)) {
dst_name2 = del[delp++] = unique_path(o, ren2_dst, branch2);
output(o, 1, "%s is a directory in %s adding as %s instead",
ren2_dst, branch1, dst_name2);
remove_file(o, 0, ren2_dst, 0);
}
if (o->call_depth) {
remove_file_from_cache(dst_name1);
remove_file_from_cache(dst_name2);
/*
* Uncomment to leave the conflicting names in the resulting tree
*
* update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, dst_name1);
* update_file(o, 0, ren2->pair->two->sha1, ren2->pair->two->mode, dst_name2);
*/
} else {
update_stages(dst_name1, NULL, ren1->pair->two, NULL, 1);
update_stages(dst_name2, NULL, NULL, ren2->pair->two, 1);
}
while (delp--)
free(del[delp]);
}
static int do_plain_rerere(struct repository *r,
struct string_list *rr, int fd)
{
struct string_list conflict = STRING_LIST_INIT_DUP;
struct string_list update = STRING_LIST_INIT_DUP;
int i;
find_conflict(r, &conflict);
/*
* MERGE_RR records paths with conflicts immediately after
* merge failed. Some of the conflicted paths might have been
* hand resolved in the working tree since then, but the
* initial run would catch all and register their preimages.
*/
for (i = 0; i < conflict.nr; i++) {
struct rerere_id *id;
unsigned char hash[GIT_MAX_RAWSZ];
const char *path = conflict.items[i].string;
int ret;
/*
* Ask handle_file() to scan and assign a
* conflict ID. No need to write anything out
* yet.
*/
ret = handle_file(r->index, path, hash, NULL);
if (ret != 0 && string_list_has_string(rr, path)) {
remove_variant(string_list_lookup(rr, path)->util);
string_list_remove(rr, path, 1);
}
if (ret < 1)
continue;
id = new_rerere_id(hash);
string_list_insert(rr, path)->util = id;
/* Ensure that the directory exists. */
mkdir_in_gitdir(rerere_path(id, NULL));
}
for (i = 0; i < rr->nr; i++)
do_rerere_one_path(r->index, &rr->items[i], &update);
if (update.nr)
update_paths(r, &update);
return write_rr(rr, fd);
}
int is_transport_allowed(const char *type, int from_user)
{
const struct string_list *whitelist = protocol_whitelist();
if (whitelist)
return string_list_has_string(whitelist, type);
switch (get_protocol_config(type)) {
case PROTOCOL_ALLOW_ALWAYS:
return 1;
case PROTOCOL_ALLOW_NEVER:
return 0;
case PROTOCOL_ALLOW_USER_ONLY:
if (from_user < 0)
from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
return from_user;
}
BUG("invalid protocol_allow_config type");
}
static int warn_if_dangling_symref(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
struct warn_if_dangling_data *d = cb_data;
const char *resolves_to;
struct object_id junk;
if (!(flags & REF_ISSYMREF))
return 0;
resolves_to = resolve_ref_unsafe(refname, 0, junk.hash, NULL);
if (!resolves_to
|| (d->refname
? strcmp(resolves_to, d->refname)
: !string_list_has_string(d->refnames, resolves_to))) {
return 0;
}
fprintf(d->fp, d->msg_fmt, refname);
fputc('\n', d->fp);
return 0;
}
/*
* read "^(?:<anything>\s)?<refname>(?:\^\{\})?$" from the standard input,
* and
* (1) strip "^{}" at the end of line if any;
* (2) ignore if match is provided and does not head-match refname;
* (3) warn if refname is not a well-formed refname and skip;
* (4) ignore if refname is a ref that exists in the local repository;
* (5) otherwise output the line.
*/
static int exclude_existing(const char *match)
{
static struct string_list existing_refs = STRING_LIST_INIT_DUP;
char buf[1024];
int matchlen = match ? strlen(match) : 0;
for_each_ref(add_existing, &existing_refs);
while (fgets(buf, sizeof(buf), stdin)) {
char *ref;
int len = strlen(buf);
if (len > 0 && buf[len - 1] == '\n')
buf[--len] = '\0';
if (3 <= len && !strcmp(buf + len - 3, "^{}")) {
len -= 3;
buf[len] = '\0';
}
for (ref = buf + len; buf < ref; ref--)
if (isspace(ref[-1]))
break;
if (match) {
int reflen = buf + len - ref;
if (reflen < matchlen)
continue;
if (strncmp(ref, match, matchlen))
continue;
}
if (check_refname_format(ref, 0)) {
warning("ref '%s' ignored", ref);
continue;
}
if (!string_list_has_string(&existing_refs, ref)) {
printf("%s\n", buf);
}
}
return 0;
}
static int do_plain_rerere(struct string_list *rr, int fd)
{
struct string_list conflict = STRING_LIST_INIT_DUP;
struct string_list update = STRING_LIST_INIT_DUP;
int i;
find_conflict(&conflict);
/*
* MERGE_RR records paths with conflicts immediately after merge
* failed. Some of the conflicted paths might have been hand resolved
* in the working tree since then, but the initial run would catch all
* and register their preimages.
*/
for (i = 0; i < conflict.nr; i++) {
const char *path = conflict.items[i].string;
if (!string_list_has_string(rr, path)) {
unsigned char sha1[20];
char *hex;
int ret;
ret = handle_file(path, sha1, NULL);
if (ret < 1)
continue;
hex = xstrdup(sha1_to_hex(sha1));
string_list_insert(rr, path)->util = hex;
if (mkdir_in_gitdir(git_path("rr-cache/%s", hex)))
continue;
handle_file(path, NULL, rerere_path(hex, "preimage"));
fprintf(stderr, "Recorded preimage for '%s'\n", path);
}
}
/*
* Now some of the paths that had conflicts earlier might have been
* hand resolved. Others may be similar to a conflict already that
* was resolved before.
*/
for (i = 0; i < rr->nr; i++) {
int ret;
const char *path = rr->items[i].string;
const char *name = (const char *)rr->items[i].util;
if (has_rerere_resolution(name)) {
if (!merge(name, path)) {
const char *msg;
if (rerere_autoupdate) {
string_list_insert(&update, path);
msg = "Staged '%s' using previous resolution.\n";
} else
msg = "Resolved '%s' using previous resolution.\n";
fprintf(stderr, msg, path);
goto mark_resolved;
}
}
/* Let's see if we have resolved it. */
ret = handle_file(path, NULL, NULL);
if (ret)
continue;
fprintf(stderr, "Recorded resolution for '%s'.\n", path);
copy_file(rerere_path(name, "postimage"), path, 0666);
mark_resolved:
rr->items[i].util = NULL;
}
if (update.nr)
update_paths(&update);
return write_rr(rr, fd);
}
static int do_plain_rerere(struct string_list *rr, int fd)
{
struct string_list conflict = STRING_LIST_INIT_DUP;
struct string_list update = STRING_LIST_INIT_DUP;
int i;
find_conflict(&conflict);
/*
* MERGE_RR records paths with conflicts immediately after
* merge failed. Some of the conflicted paths might have been
* hand resolved in the working tree since then, but the
* initial run would catch all and register their preimages.
*/
for (i = 0; i < conflict.nr; i++) {
struct rerere_id *id;
unsigned char sha1[20];
const char *path = conflict.items[i].string;
int ret;
if (string_list_has_string(rr, path))
continue;
/*
* Ask handle_file() to scan and assign a
* conflict ID. No need to write anything out
* yet.
*/
ret = handle_file(path, sha1, NULL);
if (ret < 1)
continue;
id = new_rerere_id(sha1);
string_list_insert(rr, path)->util = id;
/*
* If the directory does not exist, create
* it. mkdir_in_gitdir() will fail with
* EEXIST if there already is one.
*
* NEEDSWORK: make sure "gc" does not remove
* preimage without removing the directory.
*/
if (mkdir_in_gitdir(rerere_path(id, NULL)))
continue;
/*
* We are the first to encounter this
* conflict. Ask handle_file() to write the
* normalized contents to the "preimage" file.
*/
handle_file(path, NULL, rerere_path(id, "preimage"));
fprintf(stderr, "Recorded preimage for '%s'\n", path);
}
for (i = 0; i < rr->nr; i++)
do_rerere_one_path(&rr->items[i], &update);
if (update.nr)
update_paths(&update);
return write_rr(rr, fd);
}
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;
}
static void find_non_local_tags(struct transport *transport,
struct ref **head,
struct ref ***tail)
{
struct string_list existing_refs = { NULL, 0, 0, 0 };
struct string_list remote_refs = { NULL, 0, 0, 0 };
struct tag_data data = {head, tail};
const struct ref *ref;
struct string_list_item *item = NULL;
for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
if (prefixcmp(ref->name, "refs/tags"))
continue;
/*
* The peeled ref always follows the matching base
* ref, so if we see a peeled ref that we don't want
* to fetch then we can mark the ref entry in the list
* as one to ignore by setting util to NULL.
*/
if (!suffixcmp(ref->name, "^{}")) {
if (item && !has_sha1_file(ref->old_sha1) &&
!will_fetch(head, ref->old_sha1) &&
!has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
item = NULL;
continue;
}
/*
* If item is non-NULL here, then we previously saw a
* ref not followed by a peeled reference, so we need
* to check if it is a lightweight tag that we want to
* fetch.
*/
if (item && !has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
item = NULL;
/* skip duplicates and refs that we already have */
if (string_list_has_string(&remote_refs, ref->name) ||
string_list_has_string(&existing_refs, ref->name))
continue;
item = string_list_insert(ref->name, &remote_refs);
item->util = (void *)ref->old_sha1;
}
string_list_clear(&existing_refs, 0);
/*
* We may have a final lightweight tag that needs to be
* checked to see if it needs fetching.
*/
if (item && !has_sha1_file(item->util) &&
!will_fetch(head, item->util))
item->util = NULL;
/*
* For all the tags in the remote_refs string list, call
* add_to_tail to add them to the list of refs to be fetched
*/
for_each_string_list(add_to_tail, &remote_refs, &data);
string_list_clear(&remote_refs, 0);
}
static int process_renames(struct merge_options *o,
struct string_list *a_renames,
struct string_list *b_renames)
{
int clean_merge = 1, i, j;
struct string_list a_by_dst = {NULL, 0, 0, 0}, b_by_dst = {NULL, 0, 0, 0};
const struct rename *sre;
for (i = 0; i < a_renames->nr; i++) {
sre = a_renames->items[i].util;
string_list_insert(sre->pair->two->path, &a_by_dst)->util
= sre->dst_entry;
}
for (i = 0; i < b_renames->nr; i++) {
sre = b_renames->items[i].util;
string_list_insert(sre->pair->two->path, &b_by_dst)->util
= sre->dst_entry;
}
for (i = 0, j = 0; i < a_renames->nr || j < b_renames->nr;) {
int compare;
char *src;
struct string_list *renames1, *renames2, *renames2Dst;
struct rename *ren1 = NULL, *ren2 = NULL;
const char *branch1, *branch2;
const char *ren1_src, *ren1_dst;
if (i >= a_renames->nr) {
compare = 1;
ren2 = b_renames->items[j++].util;
} else if (j >= b_renames->nr) {
compare = -1;
ren1 = a_renames->items[i++].util;
} else {
compare = strcmp(a_renames->items[i].string,
b_renames->items[j].string);
if (compare <= 0)
ren1 = a_renames->items[i++].util;
if (compare >= 0)
ren2 = b_renames->items[j++].util;
}
/* TODO: refactor, so that 1/2 are not needed */
if (ren1) {
renames1 = a_renames;
renames2 = b_renames;
renames2Dst = &b_by_dst;
branch1 = o->branch1;
branch2 = o->branch2;
} else {
struct rename *tmp;
renames1 = b_renames;
renames2 = a_renames;
renames2Dst = &a_by_dst;
branch1 = o->branch2;
branch2 = o->branch1;
tmp = ren2;
ren2 = ren1;
ren1 = tmp;
}
src = ren1->pair->one->path;
ren1->dst_entry->processed = 1;
ren1->src_entry->processed = 1;
if (ren1->processed)
continue;
ren1->processed = 1;
ren1_src = ren1->pair->one->path;
ren1_dst = ren1->pair->two->path;
if (ren2) {
const char *ren2_src = ren2->pair->one->path;
const char *ren2_dst = ren2->pair->two->path;
/* Renamed in 1 and renamed in 2 */
if (strcmp(ren1_src, ren2_src) != 0)
die("ren1.src != ren2.src");
ren2->dst_entry->processed = 1;
ren2->processed = 1;
if (strcmp(ren1_dst, ren2_dst) != 0) {
clean_merge = 0;
output(o, 1, "CONFLICT (rename/rename): "
"Rename \"%s\"->\"%s\" in branch \"%s\" "
"rename \"%s\"->\"%s\" in \"%s\"%s",
src, ren1_dst, branch1,
src, ren2_dst, branch2,
o->call_depth ? " (left unresolved)": "");
if (o->call_depth) {
remove_file_from_cache(src);
update_file(o, 0, ren1->pair->one->sha1,
ren1->pair->one->mode, src);
}
conflict_rename_rename(o, ren1, branch1, ren2, branch2);
} else {
struct merge_file_info mfi;
remove_file(o, 1, ren1_src, 1);
mfi = merge_file(o,
ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
branch1,
branch2);
if (mfi.merge || !mfi.clean)
output(o, 1, "Renaming %s->%s", src, ren1_dst);
if (mfi.merge)
output(o, 2, "Auto-merging %s", ren1_dst);
if (!mfi.clean) {
output(o, 1, "CONFLICT (content): merge conflict in %s",
ren1_dst);
clean_merge = 0;
if (!o->call_depth)
update_stages(ren1_dst,
ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
1 /* clear */);
}
update_file(o, mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
} else {
/* Renamed in 1, maybe changed in 2 */
struct string_list_item *item;
/* we only use sha1 and mode of these */
struct diff_filespec src_other, dst_other;
int try_merge, stage = a_renames == renames1 ? 3: 2;
remove_file(o, 1, ren1_src, o->call_depth || stage == 3);
hashcpy(src_other.sha1, ren1->src_entry->stages[stage].sha);
src_other.mode = ren1->src_entry->stages[stage].mode;
hashcpy(dst_other.sha1, ren1->dst_entry->stages[stage].sha);
dst_other.mode = ren1->dst_entry->stages[stage].mode;
try_merge = 0;
if (string_list_has_string(&o->current_directory_set, ren1_dst)) {
clean_merge = 0;
output(o, 1, "CONFLICT (rename/directory): Rename %s->%s in %s "
" directory %s added in %s",
ren1_src, ren1_dst, branch1,
ren1_dst, branch2);
conflict_rename_dir(o, ren1, branch1);
} else if (sha_eq(src_other.sha1, null_sha1)) {
clean_merge = 0;
output(o, 1, "CONFLICT (rename/delete): Rename %s->%s in %s "
"and deleted in %s",
ren1_src, ren1_dst, branch1,
branch2);
update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
update_stages(ren1_dst, NULL,
branch1 == o->branch1 ?
ren1->pair->two : NULL,
branch1 == o->branch1 ?
NULL : ren1->pair->two, 1);
} else if (!sha_eq(dst_other.sha1, null_sha1)) {
const char *new_path;
clean_merge = 0;
try_merge = 1;
output(o, 1, "CONFLICT (rename/add): Rename %s->%s in %s. "
"%s added in %s",
ren1_src, ren1_dst, branch1,
ren1_dst, branch2);
new_path = unique_path(o, ren1_dst, branch2);
output(o, 1, "Adding as %s instead", new_path);
update_file(o, 0, dst_other.sha1, dst_other.mode, new_path);
} else if ((item = string_list_lookup(ren1_dst, renames2Dst))) {
ren2 = item->util;
clean_merge = 0;
ren2->processed = 1;
output(o, 1, "CONFLICT (rename/rename): "
"Rename %s->%s in %s. "
"Rename %s->%s in %s",
ren1_src, ren1_dst, branch1,
ren2->pair->one->path, ren2->pair->two->path, branch2);
conflict_rename_rename_2(o, ren1, branch1, ren2, branch2);
} else
try_merge = 1;
if (try_merge) {
struct diff_filespec *one, *a, *b;
struct merge_file_info mfi;
src_other.path = (char *)ren1_src;
one = ren1->pair->one;
if (a_renames == renames1) {
a = ren1->pair->two;
b = &src_other;
} else {
b = ren1->pair->two;
a = &src_other;
}
mfi = merge_file(o, one, a, b,
o->branch1, o->branch2);
if (mfi.clean &&
sha_eq(mfi.sha, ren1->pair->two->sha1) &&
mfi.mode == ren1->pair->two->mode)
/*
* This messaged is part of
* t6022 test. If you change
* it update the test too.
*/
output(o, 3, "Skipped %s (merged same as existing)", ren1_dst);
else {
if (mfi.merge || !mfi.clean)
output(o, 1, "Renaming %s => %s", ren1_src, ren1_dst);
if (mfi.merge)
output(o, 2, "Auto-merging %s", ren1_dst);
if (!mfi.clean) {
output(o, 1, "CONFLICT (rename/modify): Merge conflict in %s",
ren1_dst);
clean_merge = 0;
if (!o->call_depth)
update_stages(ren1_dst,
one, a, b, 1);
}
update_file(o, mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
}
}
}
string_list_clear(&a_by_dst, 0);
string_list_clear(&b_by_dst, 0);
return clean_merge;
}
/* Per entry merge function */
static int process_entry(struct merge_options *o,
const char *path, struct stage_data *entry)
{
/*
printf("processing entry, clean cache: %s\n", index_only ? "yes": "no");
print_index_entry("\tpath: ", entry);
*/
int clean_merge = 1;
unsigned o_mode = entry->stages[1].mode;
unsigned a_mode = entry->stages[2].mode;
unsigned b_mode = entry->stages[3].mode;
unsigned char *o_sha = stage_sha(entry->stages[1].sha, o_mode);
unsigned char *a_sha = stage_sha(entry->stages[2].sha, a_mode);
unsigned char *b_sha = stage_sha(entry->stages[3].sha, b_mode);
if (o_sha && (!a_sha || !b_sha)) {
/* Case A: Deleted in one */
if ((!a_sha && !b_sha) ||
(sha_eq(a_sha, o_sha) && !b_sha) ||
(!a_sha && sha_eq(b_sha, o_sha))) {
/* Deleted in both or deleted in one and
* unchanged in the other */
if (a_sha)
output(o, 2, "Removing %s", path);
/* do not touch working file if it did not exist */
remove_file(o, 1, path, !a_sha);
} else {
/* Deleted in one and changed in the other */
clean_merge = 0;
if (!a_sha) {
output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
"and modified in %s. Version %s of %s left in tree.",
path, o->branch1,
o->branch2, o->branch2, path);
update_file(o, 0, b_sha, b_mode, path);
} else {
output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
"and modified in %s. Version %s of %s left in tree.",
path, o->branch2,
o->branch1, o->branch1, path);
update_file(o, 0, a_sha, a_mode, path);
}
}
} else if ((!o_sha && a_sha && !b_sha) ||
(!o_sha && !a_sha && b_sha)) {
/* Case B: Added in one. */
const char *add_branch;
const char *other_branch;
unsigned mode;
const unsigned char *sha;
const char *conf;
if (a_sha) {
add_branch = o->branch1;
other_branch = o->branch2;
mode = a_mode;
sha = a_sha;
conf = "file/directory";
} else {
add_branch = o->branch2;
other_branch = o->branch1;
mode = b_mode;
sha = b_sha;
conf = "directory/file";
}
if (string_list_has_string(&o->current_directory_set, path)) {
const char *new_path = unique_path(o, path, add_branch);
clean_merge = 0;
output(o, 1, "CONFLICT (%s): There is a directory with name %s in %s. "
"Adding %s as %s",
conf, path, other_branch, path, new_path);
remove_file(o, 0, path, 0);
update_file(o, 0, sha, mode, new_path);
} else {
output(o, 2, "Adding %s", path);
update_file(o, 1, sha, mode, path);
}
} else if (a_sha && b_sha) {
/* Case C: Added in both (check for same permissions) and */
/* case D: Modified in both, but differently. */
const char *reason = "content";
struct merge_file_info mfi;
struct diff_filespec one, a, b;
if (!o_sha) {
reason = "add/add";
o_sha = (unsigned char *)null_sha1;
}
output(o, 2, "Auto-merging %s", path);
one.path = a.path = b.path = (char *)path;
hashcpy(one.sha1, o_sha);
one.mode = o_mode;
hashcpy(a.sha1, a_sha);
a.mode = a_mode;
hashcpy(b.sha1, b_sha);
b.mode = b_mode;
mfi = merge_file(o, &one, &a, &b,
o->branch1, o->branch2);
clean_merge = mfi.clean;
if (mfi.clean)
update_file(o, 1, mfi.sha, mfi.mode, path);
else if (S_ISGITLINK(mfi.mode))
output(o, 1, "CONFLICT (submodule): Merge conflict in %s "
"- needs %s", path, sha1_to_hex(b.sha1));
else {
output(o, 1, "CONFLICT (%s): Merge conflict in %s",
reason, path);
if (o->call_depth)
update_file(o, 0, mfi.sha, mfi.mode, path);
else
update_file_flags(o, mfi.sha, mfi.mode, path,
0 /* update_cache */, 1 /* update_working_directory */);
}
} else if (!o_sha && !a_sha && !b_sha) {
/*
* this entry was deleted altogether. a_mode == 0 means
* we had that path and want to actively remove it.
*/
remove_file(o, 1, path, !a_mode);
} else
die("Fatal merge failure, shouldn't happen.");
return clean_merge;
}
int is_transport_allowed(const char *type)
{
const struct string_list *allowed = protocol_whitelist();
return !allowed || string_list_has_string(allowed, type);
}
int cmd_mv(int argc, const char **argv, const char *prefix)
{
int i, newfd;
int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
struct option builtin_mv_options[] = {
OPT__DRY_RUN(&show_only),
OPT_BOOLEAN('f', "force", &force, "force move/rename even if target exists"),
OPT_BOOLEAN('k', NULL, &ignore_errors, "skip move/rename errors"),
OPT_END(),
};
const char **source, **destination, **dest_path;
enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
struct stat st;
struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
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 = copy_pathspec(prefix, argv, argc, 0);
modes = xcalloc(argc, sizeof(enum update_mode));
dest_path = copy_pathspec(prefix, argv + argc, 1, 0);
if (dest_path[0][0] == '\0')
/* special case: "." was normalized to "" */
destination = copy_pathspec(dest_path[0], argv, argc, 1);
else if (!lstat(dest_path[0], &st) &&
S_ISDIR(st.st_mode)) {
dest_path[0] = add_slash(dest_path[0]);
destination = copy_pathspec(dest_path[0], argv, argc, 1);
} else {
if (argc != 1)
usage_with_options(builtin_mv_usage, builtin_mv_options);
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) {
const char *src_w_slash = add_slash(src);
int len_w_slash = length + 1;
int first, last;
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));
}
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;
}
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)) {
warning("%s; will overwrite!", bad);
bad = NULL;
} else
bad = "Cannot overwrite";
}
} else if (string_list_has_string(&src_for_dst, dst))
bad = "multiple sources for the same target";
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 *));
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 &&
rename(src, dst) < 0 && !ignore_errors)
die_errno ("renaming '%s' failed", src);
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 (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 void show_filemodify(struct diff_queue_struct *q,
struct diff_options *options, void *data)
{
int i;
struct string_list *changed = data;
/*
* Handle files below a directory first, in case they are all deleted
* and the directory changes to a file or symlink.
*/
QSORT(q->queue, q->nr, depth_first);
for (i = 0; i < q->nr; i++) {
struct diff_filespec *ospec = q->queue[i]->one;
struct diff_filespec *spec = q->queue[i]->two;
switch (q->queue[i]->status) {
case DIFF_STATUS_DELETED:
printf("D ");
print_path(spec->path);
string_list_insert(changed, spec->path);
putchar('\n');
break;
case DIFF_STATUS_COPIED:
case DIFF_STATUS_RENAMED:
/*
* If a change in the file corresponding to ospec->path
* has been observed, we cannot trust its contents
* because the diff is calculated based on the prior
* contents, not the current contents. So, declare a
* copy or rename only if there was no change observed.
*/
if (!string_list_has_string(changed, ospec->path)) {
printf("%c ", q->queue[i]->status);
print_path(ospec->path);
putchar(' ');
print_path(spec->path);
string_list_insert(changed, spec->path);
putchar('\n');
if (!oidcmp(&ospec->oid, &spec->oid) &&
ospec->mode == spec->mode)
break;
}
/* fallthrough */
case DIFF_STATUS_TYPE_CHANGED:
case DIFF_STATUS_MODIFIED:
case DIFF_STATUS_ADDED:
/*
* Links refer to objects in another repositories;
* output the SHA-1 verbatim.
*/
if (no_data || S_ISGITLINK(spec->mode))
printf("M %06o %s ", spec->mode,
sha1_to_hex(anonymize ?
anonymize_sha1(&spec->oid) :
spec->oid.hash));
else {
struct object *object = lookup_object(spec->oid.hash);
printf("M %06o :%d ", spec->mode,
get_object_mark(object));
}
print_path(spec->path);
string_list_insert(changed, spec->path);
putchar('\n');
break;
default:
die("Unexpected comparison status '%c' for %s, %s",
q->queue[i]->status,
ospec->path ? ospec->path : "none",
spec->path ? spec->path : "none");
}
}
}