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-rw-r--r--submodule.c425
1 files changed, 363 insertions, 62 deletions
diff --git a/submodule.c b/submodule.c
index 5294cef641..9ba1496543 100644
--- a/submodule.c
+++ b/submodule.c
@@ -8,12 +8,27 @@
#include "diffcore.h"
#include "refs.h"
#include "string-list.h"
+#include "sha1-array.h"
+#include "argv-array.h"
static struct string_list config_name_for_path;
static struct string_list config_fetch_recurse_submodules_for_name;
static struct string_list config_ignore_for_name;
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
static struct string_list changed_submodule_paths;
+static int initialized_fetch_ref_tips;
+static struct sha1_array ref_tips_before_fetch;
+static struct sha1_array ref_tips_after_fetch;
+
+/*
+ * The following flag is set if the .gitmodules file is unmerged. We then
+ * disable recursion for all submodules where .git/config doesn't have a
+ * matching config entry because we can't guess what might be configured in
+ * .gitmodules unless the user resolves the conflict. When a command line
+ * option is given (which always overrides configuration) this flag will be
+ * ignored.
+ */
+static int gitmodules_is_unmerged;
static int add_submodule_odb(const char *path)
{
@@ -23,7 +38,7 @@ static int add_submodule_odb(const char *path)
const char *git_dir;
strbuf_addf(&objects_directory, "%s/.git", path);
- git_dir = read_gitfile_gently(objects_directory.buf);
+ git_dir = read_gitfile(objects_directory.buf);
if (git_dir) {
strbuf_reset(&objects_directory);
strbuf_addstr(&objects_directory, git_dir);
@@ -48,6 +63,9 @@ static int add_submodule_odb(const char *path)
alt_odb->name[40] = '\0';
alt_odb->name[41] = '\0';
alt_odb_list = alt_odb;
+
+ /* add possible alternates from the submodule */
+ read_info_alternates(objects_directory.buf, 0);
prepare_alt_odb();
done:
strbuf_release(&objects_directory);
@@ -63,6 +81,8 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
ignore_option = unsorted_string_list_lookup(&config_ignore_for_name, path_option->util);
if (ignore_option)
handle_ignore_submodules_arg(diffopt, ignore_option->util);
+ else if (gitmodules_is_unmerged)
+ DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES);
}
}
@@ -82,54 +102,68 @@ void gitmodules_config(void)
const char *work_tree = get_git_work_tree();
if (work_tree) {
struct strbuf gitmodules_path = STRBUF_INIT;
+ int pos;
strbuf_addstr(&gitmodules_path, work_tree);
strbuf_addstr(&gitmodules_path, "/.gitmodules");
- git_config_from_file(submodule_config, gitmodules_path.buf, NULL);
+ if (read_cache() < 0)
+ die("index file corrupt");
+ pos = cache_name_pos(".gitmodules", 11);
+ if (pos < 0) { /* .gitmodules not found or isn't merged */
+ pos = -1 - pos;
+ if (active_nr > pos) { /* there is a .gitmodules */
+ const struct cache_entry *ce = active_cache[pos];
+ if (ce_namelen(ce) == 11 &&
+ !memcmp(ce->name, ".gitmodules", 11))
+ gitmodules_is_unmerged = 1;
+ }
+ }
+
+ if (!gitmodules_is_unmerged)
+ git_config_from_file(submodule_config, gitmodules_path.buf, NULL);
strbuf_release(&gitmodules_path);
}
}
int parse_submodule_config_option(const char *var, const char *value)
{
- int len;
struct string_list_item *config;
- struct strbuf submodname = STRBUF_INIT;
+ const char *name, *key;
+ int namelen;
- var += 10; /* Skip "submodule." */
+ if (parse_config_key(var, "submodule", &name, &namelen, &key) < 0 || !name)
+ return 0;
- len = strlen(var);
- if ((len > 5) && !strcmp(var + len - 5, ".path")) {
- strbuf_add(&submodname, var, len - 5);
+ if (!strcmp(key, "path")) {
config = unsorted_string_list_lookup(&config_name_for_path, value);
if (config)
free(config->util);
else
config = string_list_append(&config_name_for_path, xstrdup(value));
- config->util = strbuf_detach(&submodname, NULL);
- strbuf_release(&submodname);
- } else if ((len > 23) && !strcmp(var + len - 23, ".fetchrecursesubmodules")) {
- strbuf_add(&submodname, var, len - 23);
- config = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, submodname.buf);
+ config->util = xmemdupz(name, namelen);
+ } else if (!strcmp(key, "fetchrecursesubmodules")) {
+ char *name_cstr = xmemdupz(name, namelen);
+ config = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, name_cstr);
if (!config)
- config = string_list_append(&config_fetch_recurse_submodules_for_name,
- strbuf_detach(&submodname, NULL));
+ config = string_list_append(&config_fetch_recurse_submodules_for_name, name_cstr);
+ else
+ free(name_cstr);
config->util = (void *)(intptr_t)parse_fetch_recurse_submodules_arg(var, value);
- strbuf_release(&submodname);
- } else if ((len > 7) && !strcmp(var + len - 7, ".ignore")) {
+ } else if (!strcmp(key, "ignore")) {
+ char *name_cstr;
+
if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
strcmp(value, "all") && strcmp(value, "none")) {
warning("Invalid parameter \"%s\" for config option \"submodule.%s.ignore\"", value, var);
return 0;
}
- strbuf_add(&submodname, var, len - 7);
- config = unsorted_string_list_lookup(&config_ignore_for_name, submodname.buf);
- if (config)
+ name_cstr = xmemdupz(name, namelen);
+ config = unsorted_string_list_lookup(&config_ignore_for_name, name_cstr);
+ if (config) {
free(config->util);
- else
- config = string_list_append(&config_ignore_for_name,
- strbuf_detach(&submodname, NULL));
- strbuf_release(&submodname);
+ free(name_cstr);
+ } else
+ config = string_list_append(&config_ignore_for_name, name_cstr);
config->util = xstrdup(value);
return 0;
}
@@ -223,7 +257,7 @@ int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
void show_submodule_summary(FILE *f, const char *path,
unsigned char one[20], unsigned char two[20],
- unsigned dirty_submodule,
+ unsigned dirty_submodule, const char *meta,
const char *del, const char *add, const char *reset)
{
struct rev_info rev;
@@ -257,15 +291,15 @@ void show_submodule_summary(FILE *f, const char *path,
return;
}
- strbuf_addf(&sb, "Submodule %s %s..", path,
+ strbuf_addf(&sb, "%sSubmodule %s %s..", meta, path,
find_unique_abbrev(one, DEFAULT_ABBREV));
if (!fast_backward && !fast_forward)
strbuf_addch(&sb, '.');
strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV));
if (message)
- strbuf_addf(&sb, " %s\n", message);
+ strbuf_addf(&sb, " %s%s\n", message, reset);
else
- strbuf_addf(&sb, "%s:\n", fast_backward ? " (rewind)" : "");
+ strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset);
fwrite(sb.buf, sb.len, 1, f);
if (!message) {
@@ -282,6 +316,150 @@ void set_config_fetch_recurse_submodules(int value)
config_fetch_recurse_submodules = value;
}
+static int has_remote(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+{
+ return 1;
+}
+
+static int submodule_needs_pushing(const char *path, const unsigned char sha1[20])
+{
+ if (add_submodule_odb(path) || !lookup_commit_reference(sha1))
+ return 0;
+
+ if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
+ struct child_process cp;
+ const char *argv[] = {"rev-list", NULL, "--not", "--remotes", "-n", "1" , NULL};
+ struct strbuf buf = STRBUF_INIT;
+ int needs_pushing = 0;
+
+ argv[1] = sha1_to_hex(sha1);
+ memset(&cp, 0, sizeof(cp));
+ cp.argv = argv;
+ cp.env = local_repo_env;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.out = -1;
+ cp.dir = path;
+ if (start_command(&cp))
+ die("Could not run 'git rev-list %s --not --remotes -n 1' command in submodule %s",
+ sha1_to_hex(sha1), path);
+ if (strbuf_read(&buf, cp.out, 41))
+ needs_pushing = 1;
+ finish_command(&cp);
+ close(cp.out);
+ strbuf_release(&buf);
+ return needs_pushing;
+ }
+
+ return 0;
+}
+
+static void collect_submodules_from_diff(struct diff_queue_struct *q,
+ struct diff_options *options,
+ void *data)
+{
+ int i;
+ struct string_list *needs_pushing = data;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (!S_ISGITLINK(p->two->mode))
+ continue;
+ if (submodule_needs_pushing(p->two->path, p->two->sha1))
+ string_list_insert(needs_pushing, p->two->path);
+ }
+}
+
+static void find_unpushed_submodule_commits(struct commit *commit,
+ struct string_list *needs_pushing)
+{
+ struct rev_info rev;
+
+ init_revisions(&rev, NULL);
+ rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
+ rev.diffopt.format_callback = collect_submodules_from_diff;
+ rev.diffopt.format_callback_data = needs_pushing;
+ diff_tree_combined_merge(commit, 1, &rev);
+}
+
+int find_unpushed_submodules(unsigned char new_sha1[20],
+ const char *remotes_name, struct string_list *needs_pushing)
+{
+ struct rev_info rev;
+ struct commit *commit;
+ const char *argv[] = {NULL, NULL, "--not", "NULL", NULL};
+ int argc = ARRAY_SIZE(argv) - 1;
+ char *sha1_copy;
+
+ struct strbuf remotes_arg = STRBUF_INIT;
+
+ strbuf_addf(&remotes_arg, "--remotes=%s", remotes_name);
+ init_revisions(&rev, NULL);
+ sha1_copy = xstrdup(sha1_to_hex(new_sha1));
+ argv[1] = sha1_copy;
+ argv[3] = remotes_arg.buf;
+ setup_revisions(argc, argv, &rev, NULL);
+ if (prepare_revision_walk(&rev))
+ die("revision walk setup failed");
+
+ while ((commit = get_revision(&rev)) != NULL)
+ find_unpushed_submodule_commits(commit, needs_pushing);
+
+ reset_revision_walk();
+ free(sha1_copy);
+ strbuf_release(&remotes_arg);
+
+ return needs_pushing->nr;
+}
+
+static int push_submodule(const char *path)
+{
+ if (add_submodule_odb(path))
+ return 1;
+
+ if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
+ struct child_process cp;
+ const char *argv[] = {"push", NULL};
+
+ memset(&cp, 0, sizeof(cp));
+ cp.argv = argv;
+ cp.env = local_repo_env;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.dir = path;
+ if (run_command(&cp))
+ return 0;
+ close(cp.out);
+ }
+
+ return 1;
+}
+
+int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_name)
+{
+ int i, ret = 1;
+ struct string_list needs_pushing;
+
+ memset(&needs_pushing, 0, sizeof(struct string_list));
+ needs_pushing.strdup_strings = 1;
+
+ if (!find_unpushed_submodules(new_sha1, remotes_name, &needs_pushing))
+ return 1;
+
+ for (i = 0; i < needs_pushing.nr; i++) {
+ const char *path = needs_pushing.items[i].string;
+ fprintf(stderr, "Pushing submodule '%s'\n", path);
+ if (!push_submodule(path)) {
+ fprintf(stderr, "Unable to push submodule '%s'\n", path);
+ ret = 0;
+ }
+ }
+
+ string_list_clear(&needs_pushing, 0);
+
+ return ret;
+}
+
static int is_submodule_commit_present(const char *path, unsigned char sha1[20])
{
int is_present = 0;
@@ -340,16 +518,46 @@ static void submodule_collect_changed_cb(struct diff_queue_struct *q,
}
}
+static int add_sha1_to_array(const char *ref, const unsigned char *sha1,
+ int flags, void *data)
+{
+ sha1_array_append(data, sha1);
+ return 0;
+}
+
void check_for_new_submodule_commits(unsigned char new_sha1[20])
{
+ if (!initialized_fetch_ref_tips) {
+ for_each_ref(add_sha1_to_array, &ref_tips_before_fetch);
+ initialized_fetch_ref_tips = 1;
+ }
+
+ sha1_array_append(&ref_tips_after_fetch, new_sha1);
+}
+
+static void add_sha1_to_argv(const unsigned char sha1[20], void *data)
+{
+ argv_array_push(data, sha1_to_hex(sha1));
+}
+
+static void calculate_changed_submodule_paths(void)
+{
struct rev_info rev;
struct commit *commit;
- const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
- int argc = ARRAY_SIZE(argv) - 1;
+ struct argv_array argv = ARGV_ARRAY_INIT;
+
+ /* No need to check if there are no submodules configured */
+ if (!config_name_for_path.nr)
+ return;
init_revisions(&rev, NULL);
- argv[1] = xstrdup(sha1_to_hex(new_sha1));
- setup_revisions(argc, argv, &rev, NULL);
+ argv_array_push(&argv, "--"); /* argv[0] program name */
+ sha1_array_for_each_unique(&ref_tips_after_fetch,
+ add_sha1_to_argv, &argv);
+ argv_array_push(&argv, "--not");
+ sha1_array_for_each_unique(&ref_tips_before_fetch,
+ add_sha1_to_argv, &argv);
+ setup_revisions(argv.argc, argv.argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
@@ -362,26 +570,30 @@ void check_for_new_submodule_commits(unsigned char new_sha1[20])
while (parent) {
struct diff_options diff_opts;
diff_setup(&diff_opts);
+ DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
- if (diff_setup_done(&diff_opts) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&diff_opts);
diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);
parent = parent->next;
}
}
- free((char *)argv[1]);
+
+ argv_array_clear(&argv);
+ sha1_array_clear(&ref_tips_before_fetch);
+ sha1_array_clear(&ref_tips_after_fetch);
+ initialized_fetch_ref_tips = 0;
}
-int fetch_populated_submodules(int num_options, const char **options,
+int fetch_populated_submodules(const struct argv_array *options,
const char *prefix, int command_line_option,
int quiet)
{
- int i, result = 0, argc = 0, default_argc;
+ int i, result = 0;
struct child_process cp;
- const char **argv;
+ struct argv_array argv = ARGV_ARRAY_INIT;
struct string_list_item *name_for_path;
const char *work_tree = get_git_work_tree();
if (!work_tree)
@@ -391,21 +603,19 @@ int fetch_populated_submodules(int num_options, const char **options,
if (read_cache() < 0)
die("index file corrupt");
- /* 6: "fetch" (options) --recurse-submodules-default default "--submodule-prefix" prefix NULL */
- argv = xcalloc(num_options + 6, sizeof(const char *));
- argv[argc++] = "fetch";
- for (i = 0; i < num_options; i++)
- argv[argc++] = options[i];
- argv[argc++] = "--recurse-submodules-default";
- default_argc = argc++;
- argv[argc++] = "--submodule-prefix";
+ argv_array_push(&argv, "fetch");
+ for (i = 0; i < options->argc; i++)
+ argv_array_push(&argv, options->argv[i]);
+ argv_array_push(&argv, "--recurse-submodules-default");
+ /* default value, "--submodule-prefix" and its value are added later */
memset(&cp, 0, sizeof(cp));
- cp.argv = argv;
cp.env = local_repo_env;
cp.git_cmd = 1;
cp.no_stdin = 1;
+ calculate_changed_submodule_paths();
+
for (i = 0; i < active_nr; i++) {
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
@@ -434,7 +644,8 @@ int fetch_populated_submodules(int num_options, const char **options,
default_argv = "on-demand";
}
} else {
- if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF)
+ if ((config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF) ||
+ gitmodules_is_unmerged)
continue;
if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) {
if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
@@ -451,23 +662,28 @@ int fetch_populated_submodules(int num_options, const char **options,
strbuf_addf(&submodule_path, "%s/%s", work_tree, ce->name);
strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf);
strbuf_addf(&submodule_prefix, "%s%s/", prefix, ce->name);
- git_dir = read_gitfile_gently(submodule_git_dir.buf);
+ git_dir = read_gitfile(submodule_git_dir.buf);
if (!git_dir)
git_dir = submodule_git_dir.buf;
if (is_directory(git_dir)) {
if (!quiet)
printf("Fetching submodule %s%s\n", prefix, ce->name);
cp.dir = submodule_path.buf;
- argv[default_argc] = default_argv;
- argv[argc] = submodule_prefix.buf;
+ argv_array_push(&argv, default_argv);
+ argv_array_push(&argv, "--submodule-prefix");
+ argv_array_push(&argv, submodule_prefix.buf);
+ cp.argv = argv.argv;
if (run_command(&cp))
result = 1;
+ argv_array_pop(&argv);
+ argv_array_pop(&argv);
+ argv_array_pop(&argv);
}
strbuf_release(&submodule_path);
strbuf_release(&submodule_git_dir);
strbuf_release(&submodule_prefix);
}
- free(argv);
+ argv_array_clear(&argv);
out:
string_list_clear(&changed_submodule_paths, 1);
return result;
@@ -489,7 +705,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
const char *git_dir;
strbuf_addf(&buf, "%s/.git", path);
- git_dir = read_gitfile_gently(buf.buf);
+ git_dir = read_gitfile(buf.buf);
if (!git_dir)
git_dir = buf.buf;
if (!is_directory(git_dir)) {
@@ -511,7 +727,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
cp.out = -1;
cp.dir = path;
if (start_command(&cp))
- die("Could not run git status --porcelain");
+ die("Could not run 'git status --porcelain' in submodule %s", path);
len = strbuf_read(&buf, cp.out, 1024);
line = buf.buf;
@@ -536,12 +752,92 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
close(cp.out);
if (finish_command(&cp))
- die("git status --porcelain failed");
+ die("'git status --porcelain' failed in submodule %s", path);
strbuf_release(&buf);
return dirty_submodule;
}
+int submodule_uses_gitfile(const char *path)
+{
+ struct child_process cp;
+ const char *argv[] = {
+ "submodule",
+ "foreach",
+ "--quiet",
+ "--recursive",
+ "test -f .git",
+ NULL,
+ };
+ struct strbuf buf = STRBUF_INIT;
+ const char *git_dir;
+
+ strbuf_addf(&buf, "%s/.git", path);
+ git_dir = read_gitfile(buf.buf);
+ if (!git_dir) {
+ strbuf_release(&buf);
+ return 0;
+ }
+ strbuf_release(&buf);
+
+ /* Now test that all nested submodules use a gitfile too */
+ memset(&cp, 0, sizeof(cp));
+ cp.argv = argv;
+ cp.env = local_repo_env;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.no_stderr = 1;
+ cp.no_stdout = 1;
+ cp.dir = path;
+ if (run_command(&cp))
+ return 0;
+
+ return 1;
+}
+
+int ok_to_remove_submodule(const char *path)
+{
+ struct stat st;
+ ssize_t len;
+ struct child_process cp;
+ const char *argv[] = {
+ "status",
+ "--porcelain",
+ "-u",
+ "--ignore-submodules=none",
+ NULL,
+ };
+ struct strbuf buf = STRBUF_INIT;
+ int ok_to_remove = 1;
+
+ if ((lstat(path, &st) < 0) || is_empty_dir(path))
+ return 1;
+
+ if (!submodule_uses_gitfile(path))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.argv = argv;
+ cp.env = local_repo_env;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.out = -1;
+ cp.dir = path;
+ if (start_command(&cp))
+ die("Could not run 'git status --porcelain -uall --ignore-submodules=none' in submodule %s", path);
+
+ len = strbuf_read(&buf, cp.out, 1024);
+ if (len > 2)
+ ok_to_remove = 0;
+ close(cp.out);
+
+ if (finish_command(&cp))
+ die("'git status --porcelain -uall --ignore-submodules=none' failed in submodule %s", path);
+
+ strbuf_release(&buf);
+ return ok_to_remove;
+}
+
static int find_first_merges(struct object_array *result, const char *path,
struct commit *a, struct commit *b)
{
@@ -572,9 +868,10 @@ static int find_first_merges(struct object_array *result, const char *path,
die("revision walk setup failed");
while ((commit = get_revision(&revs)) != NULL) {
struct object *o = &(commit->object);
- if (in_merge_bases(b, &commit, 1))
+ if (in_merge_bases(b, commit))
add_object_array(o, NULL, &merges);
}
+ reset_revision_walk();
/* Now we've got all merges that contain a and b. Prune all
* merges that contain another found merge and save them in
@@ -586,7 +883,7 @@ static int find_first_merges(struct object_array *result, const char *path,
contains_another = 0;
for (j = 0; j < merges.nr; j++) {
struct commit *m2 = (struct commit *) merges.objects[j].item;
- if (i != j && in_merge_bases(m2, &m1, 1)) {
+ if (i != j && in_merge_bases(m2, m1)) {
contains_another = 1;
break;
}
@@ -616,7 +913,7 @@ static void print_commit(struct commit *commit)
int merge_submodule(unsigned char result[20], const char *path,
const unsigned char base[20], const unsigned char a[20],
- const unsigned char b[20])
+ const unsigned char b[20], int search)
{
struct commit *commit_base, *commit_a, *commit_b;
int parent_count;
@@ -648,18 +945,18 @@ int merge_submodule(unsigned char result[20], const char *path,
}
/* check whether both changes are forward */
- if (!in_merge_bases(commit_base, &commit_a, 1) ||
- !in_merge_bases(commit_base, &commit_b, 1)) {
+ if (!in_merge_bases(commit_base, commit_a) ||
+ !in_merge_bases(commit_base, commit_b)) {
MERGE_WARNING(path, "commits don't follow merge-base");
return 0;
}
/* Case #1: a is contained in b or vice versa */
- if (in_merge_bases(commit_a, &commit_b, 1)) {
+ if (in_merge_bases(commit_a, commit_b)) {
hashcpy(result, b);
return 1;
}
- if (in_merge_bases(commit_b, &commit_a, 1)) {
+ if (in_merge_bases(commit_b, commit_a)) {
hashcpy(result, a);
return 1;
}
@@ -671,6 +968,10 @@ int merge_submodule(unsigned char result[20], const char *path,
* user needs to confirm the resolution.
*/
+ /* Skip the search if makes no sense to the calling context. */
+ if (!search)
+ return 0;
+
/* find commit which merges them */
parent_count = find_first_merges(&merges, path, commit_a, commit_b);
switch (parent_count) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-11 20:19:19 +0000