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Diffstat (limited to 'submodule.c')
-rw-r--r--submodule.c212
1 files changed, 147 insertions, 65 deletions
diff --git a/submodule.c b/submodule.c
index 19dc6a6c0d..3f0a3f9419 100644
--- a/submodule.c
+++ b/submodule.c
@@ -126,45 +126,44 @@ void gitmodules_config(void)
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;
}
@@ -217,6 +216,7 @@ static int prepare_submodule_summary(struct rev_info *rev, const char *path,
}
static void print_submodule_summary(struct rev_info *rev, FILE *f,
+ const char *line_prefix,
const char *del, const char *add, const char *reset)
{
static const char format[] = " %m %s";
@@ -226,7 +226,9 @@ static void print_submodule_summary(struct rev_info *rev, FILE *f,
while ((commit = get_revision(rev))) {
struct pretty_print_context ctx = {0};
ctx.date_mode = rev->date_mode;
+ ctx.output_encoding = get_log_output_encoding();
strbuf_setlen(&sb, 0);
+ strbuf_addstr(&sb, line_prefix);
if (commit->object.flags & SYMMETRIC_LEFT) {
if (del)
strbuf_addstr(&sb, del);
@@ -257,12 +259,13 @@ int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
}
void show_submodule_summary(FILE *f, const char *path,
+ const char *line_prefix,
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;
- struct commit *left = left, *right = right;
+ struct commit *left = NULL, *right = NULL;
const char *message = NULL;
struct strbuf sb = STRBUF_INIT;
int fast_forward = 0, fast_backward = 0;
@@ -276,38 +279,39 @@ void show_submodule_summary(FILE *f, const char *path,
else if (!(left = lookup_commit_reference(one)) ||
!(right = lookup_commit_reference(two)))
message = "(commits not present)";
-
- if (!message &&
- prepare_submodule_summary(&rev, path, left, right,
- &fast_forward, &fast_backward))
+ else if (prepare_submodule_summary(&rev, path, left, right,
+ &fast_forward, &fast_backward))
message = "(revision walker failed)";
if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
- fprintf(f, "Submodule %s contains untracked content\n", path);
+ fprintf(f, "%sSubmodule %s contains untracked content\n",
+ line_prefix, path);
if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
- fprintf(f, "Submodule %s contains modified content\n", path);
+ fprintf(f, "%sSubmodule %s contains modified content\n",
+ line_prefix, path);
if (!hashcmp(one, two)) {
strbuf_release(&sb);
return;
}
- strbuf_addf(&sb, "Submodule %s %s..", path,
+ strbuf_addf(&sb, "%s%sSubmodule %s %s..", line_prefix, 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) {
- print_submodule_summary(&rev, f, del, add, reset);
+ if (!message) /* only NULL if we succeeded in setting up the walk */
+ print_submodule_summary(&rev, f, line_prefix, del, add, reset);
+ if (left)
clear_commit_marks(left, ~0);
+ if (right)
clear_commit_marks(right, ~0);
- }
strbuf_release(&sb);
}
@@ -588,33 +592,28 @@ static void calculate_changed_submodule_paths(void)
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)
goto out;
- if (!the_index.initialized)
- if (read_cache() < 0)
- die("index file corrupt");
+ 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;
@@ -625,7 +624,7 @@ int fetch_populated_submodules(int num_options, const char **options,
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
struct strbuf submodule_prefix = STRBUF_INIT;
- struct cache_entry *ce = active_cache[i];
+ const struct cache_entry *ce = active_cache[i];
const char *git_dir, *name, *default_argv;
if (!S_ISGITLINK(ce->ce_mode))
@@ -674,16 +673,21 @@ int fetch_populated_submodules(int num_options, const char **options,
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;
@@ -758,11 +762,91 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
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)
{
int i, j;
- struct object_array merges;
+ struct object_array merges = OBJECT_ARRAY_INIT;
struct commit *commit;
int contains_another;
@@ -772,7 +856,6 @@ static int find_first_merges(struct object_array *result, const char *path,
struct rev_info revs;
struct setup_revision_opt rev_opts;
- memset(&merges, 0, sizeof(merges));
memset(result, 0, sizeof(struct object_array));
memset(&rev_opts, 0, sizeof(rev_opts));
@@ -788,7 +871,7 @@ 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();
@@ -803,15 +886,14 @@ 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;
}
}
if (!contains_another)
- add_object_array(merges.objects[i].item,
- merges.objects[i].name, result);
+ add_object_array(merges.objects[i].item, NULL, result);
}
free(merges.objects);
@@ -865,18 +947,18 @@ 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;
}