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-rw-r--r--submodule.c164
1 files changed, 108 insertions, 56 deletions
diff --git a/submodule.c b/submodule.c
index a458100ed2..62c4356c50 100644
--- a/submodule.c
+++ b/submodule.c
@@ -12,6 +12,7 @@
#include "sha1-array.h"
#include "argv-array.h"
#include "blob.h"
+#include "thread-utils.h"
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
static struct string_list changed_submodule_paths;
@@ -68,7 +69,7 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
strbuf_addstr(&entry, "submodule.");
strbuf_addstr(&entry, submodule->name);
strbuf_addstr(&entry, ".path");
- if (git_config_set_in_file(".gitmodules", entry.buf, newpath) < 0) {
+ if (git_config_set_in_file_gently(".gitmodules", entry.buf, newpath) < 0) {
/* Maybe the user already did that, don't error out here */
warning(_("Could not update .gitmodules entry %s"), entry.buf);
strbuf_release(&entry);
@@ -122,6 +123,7 @@ static int add_submodule_odb(const char *path)
struct strbuf objects_directory = STRBUF_INIT;
struct alternate_object_database *alt_odb;
int ret = 0;
+ size_t alloc;
strbuf_git_path_submodule(&objects_directory, path, "objects/");
if (!is_directory(objects_directory.buf)) {
@@ -136,9 +138,10 @@ static int add_submodule_odb(const char *path)
objects_directory.len))
goto done;
- alt_odb = xmalloc(objects_directory.len + 42 + sizeof(*alt_odb));
+ alloc = st_add(objects_directory.len, 42); /* for "12/345..." sha1 */
+ alt_odb = xmalloc(st_add(sizeof(*alt_odb), alloc));
alt_odb->next = alt_odb_list;
- strcpy(alt_odb->base, objects_directory.buf);
+ xsnprintf(alt_odb->base, alloc, "%s", objects_directory.buf);
alt_odb->name = alt_odb->base + objects_directory.len;
alt_odb->name[2] = '/';
alt_odb->name[40] = '\0';
@@ -247,7 +250,7 @@ static int prepare_submodule_summary(struct rev_info *rev, const char *path,
for (list = merge_bases; list; list = list->next) {
list->item->object.flags |= UNINTERESTING;
add_pending_object(rev, &list->item->object,
- sha1_to_hex(list->item->object.sha1));
+ oid_to_hex(&list->item->object.oid));
}
return prepare_revision_walk(rev);
}
@@ -595,7 +598,7 @@ static void calculate_changed_submodule_paths(void)
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
diff_setup_done(&diff_opts);
- diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
+ diff_tree_sha1(parent->item->object.oid.hash, commit->object.oid.hash, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);
parent = parent->next;
@@ -608,37 +611,28 @@ static void calculate_changed_submodule_paths(void)
initialized_fetch_ref_tips = 0;
}
-int fetch_populated_submodules(const struct argv_array *options,
- const char *prefix, int command_line_option,
- int quiet)
+struct submodule_parallel_fetch {
+ int count;
+ struct argv_array args;
+ const char *work_tree;
+ const char *prefix;
+ int command_line_option;
+ int quiet;
+ int result;
+};
+#define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0}
+
+static int get_next_submodule(struct child_process *cp,
+ struct strbuf *err, void *data, void **task_cb)
{
- int i, result = 0;
- struct child_process cp = CHILD_PROCESS_INIT;
- struct argv_array argv = ARGV_ARRAY_INIT;
- const char *work_tree = get_git_work_tree();
- if (!work_tree)
- goto out;
-
- if (read_cache() < 0)
- die("index file corrupt");
-
- 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 */
-
- cp.env = local_repo_env;
- cp.git_cmd = 1;
- cp.no_stdin = 1;
-
- calculate_changed_submodule_paths();
+ int ret = 0;
+ struct submodule_parallel_fetch *spf = data;
- for (i = 0; i < active_nr; i++) {
+ for (; spf->count < active_nr; spf->count++) {
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
struct strbuf submodule_prefix = STRBUF_INIT;
- const struct cache_entry *ce = active_cache[i];
+ const struct cache_entry *ce = active_cache[spf->count];
const char *git_dir, *default_argv;
const struct submodule *submodule;
@@ -650,7 +644,7 @@ int fetch_populated_submodules(const struct argv_array *options,
submodule = submodule_from_name(null_sha1, ce->name);
default_argv = "yes";
- if (command_line_option == RECURSE_SUBMODULES_DEFAULT) {
+ if (spf->command_line_option == RECURSE_SUBMODULES_DEFAULT) {
if (submodule &&
submodule->fetch_recurse !=
RECURSE_SUBMODULES_NONE) {
@@ -673,40 +667,100 @@ int fetch_populated_submodules(const struct argv_array *options,
default_argv = "on-demand";
}
}
- } else if (command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
+ } else if (spf->command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
continue;
default_argv = "on-demand";
}
- strbuf_addf(&submodule_path, "%s/%s", work_tree, ce->name);
+ strbuf_addf(&submodule_path, "%s/%s", spf->work_tree, ce->name);
strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf);
- strbuf_addf(&submodule_prefix, "%s%s/", prefix, ce->name);
+ strbuf_addf(&submodule_prefix, "%s%s/", spf->prefix, ce->name);
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_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);
+ child_process_init(cp);
+ cp->dir = strbuf_detach(&submodule_path, NULL);
+ cp->env = local_repo_env;
+ cp->git_cmd = 1;
+ if (!spf->quiet)
+ strbuf_addf(err, "Fetching submodule %s%s\n",
+ spf->prefix, ce->name);
+ argv_array_init(&cp->args);
+ argv_array_pushv(&cp->args, spf->args.argv);
+ argv_array_push(&cp->args, default_argv);
+ argv_array_push(&cp->args, "--submodule-prefix");
+ argv_array_push(&cp->args, submodule_prefix.buf);
+ ret = 1;
}
strbuf_release(&submodule_path);
strbuf_release(&submodule_git_dir);
strbuf_release(&submodule_prefix);
+ if (ret) {
+ spf->count++;
+ return 1;
+ }
}
- argv_array_clear(&argv);
+ return 0;
+}
+
+static int fetch_start_failure(struct strbuf *err,
+ void *cb, void *task_cb)
+{
+ struct submodule_parallel_fetch *spf = cb;
+
+ spf->result = 1;
+
+ return 0;
+}
+
+static int fetch_finish(int retvalue, struct strbuf *err,
+ void *cb, void *task_cb)
+{
+ struct submodule_parallel_fetch *spf = cb;
+
+ if (retvalue)
+ spf->result = 1;
+
+ return 0;
+}
+
+int fetch_populated_submodules(const struct argv_array *options,
+ const char *prefix, int command_line_option,
+ int quiet, int max_parallel_jobs)
+{
+ int i;
+ struct submodule_parallel_fetch spf = SPF_INIT;
+
+ spf.work_tree = get_git_work_tree();
+ spf.command_line_option = command_line_option;
+ spf.quiet = quiet;
+ spf.prefix = prefix;
+
+ if (!spf.work_tree)
+ goto out;
+
+ if (read_cache() < 0)
+ die("index file corrupt");
+
+ argv_array_push(&spf.args, "fetch");
+ for (i = 0; i < options->argc; i++)
+ argv_array_push(&spf.args, options->argv[i]);
+ argv_array_push(&spf.args, "--recurse-submodules-default");
+ /* default value, "--submodule-prefix" and its value are added later */
+
+ calculate_changed_submodule_paths();
+ run_processes_parallel(max_parallel_jobs,
+ get_next_submodule,
+ fetch_start_failure,
+ fetch_finish,
+ &spf);
+
+ argv_array_clear(&spf.args);
out:
string_list_clear(&changed_submodule_paths, 1);
- return result;
+ return spf.result;
}
unsigned is_submodule_modified(const char *path, int ignore_untracked)
@@ -873,7 +927,7 @@ static int find_first_merges(struct object_array *result, const char *path,
/* get all revisions that merge commit a */
snprintf(merged_revision, sizeof(merged_revision), "^%s",
- sha1_to_hex(a->object.sha1));
+ oid_to_hex(&a->object.oid));
init_revisions(&revs, NULL);
rev_opts.submodule = path;
setup_revisions(ARRAY_SIZE(rev_args)-1, rev_args, &revs, &rev_opts);
@@ -1004,7 +1058,7 @@ int merge_submodule(unsigned char result[20], const char *path,
"by using:\n\n"
" git update-index --cacheinfo 160000 %s \"%s\"\n\n"
"which will accept this suggestion.\n",
- sha1_to_hex(merges.objects[0].item->sha1), path);
+ oid_to_hex(&merges.objects[0].item->oid), path);
break;
default:
@@ -1032,11 +1086,9 @@ void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir)
/* Update core.worktree setting */
strbuf_reset(&file_name);
strbuf_addf(&file_name, "%s/config", git_dir);
- if (git_config_set_in_file(file_name.buf, "core.worktree",
- relative_path(real_work_tree, git_dir,
- &rel_path)))
- die(_("Could not set core.worktree in %s"),
- file_name.buf);
+ git_config_set_in_file(file_name.buf, "core.worktree",
+ relative_path(real_work_tree, git_dir,
+ &rel_path));
strbuf_release(&file_name);
strbuf_release(&rel_path);