#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 int parallel_jobs = 1;
static struct string_list changed_submodule_paths;
static int initialized_fetch_ref_tips;
static struct sha1_array ref_tips_before_fetch;
struct strbuf objects_directory = STRBUF_INIT;
struct alternate_object_database *alt_odb;
int ret = 0;
- int alloc;
+ size_t alloc;
strbuf_git_path_submodule(&objects_directory, path, "objects/");
if (!is_directory(objects_directory.buf)) {
objects_directory.len))
goto done;
- alloc = objects_directory.len + 42; /* for "12/345..." sha1 */
- alt_odb = xmalloc(sizeof(*alt_odb) + alloc);
+ 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;
xsnprintf(alt_odb->base, alloc, "%s", objects_directory.buf);
alt_odb->name = alt_odb->base + objects_directory.len;
int submodule_config(const char *var, const char *value, void *cb)
{
- if (starts_with(var, "submodule."))
+ if (!strcmp(var, "submodule.fetchjobs")) {
+ parallel_jobs = git_config_int(var, value);
+ if (parallel_jobs < 0)
+ die(_("negative values not allowed for submodule.fetchJobs"));
+ return 0;
+ } else if (starts_with(var, "submodule."))
return parse_submodule_config_option(var, value);
else if (!strcmp(var, "fetch.recursesubmodules")) {
config_fetch_recurse_submodules = parse_fetch_recurse_submodules_arg(var, value);
}
}
+int parse_submodule_update_strategy(const char *value,
+ struct submodule_update_strategy *dst)
+{
+ free((void*)dst->command);
+ dst->command = NULL;
+ if (!strcmp(value, "none"))
+ dst->type = SM_UPDATE_NONE;
+ else if (!strcmp(value, "checkout"))
+ dst->type = SM_UPDATE_CHECKOUT;
+ else if (!strcmp(value, "rebase"))
+ dst->type = SM_UPDATE_REBASE;
+ else if (!strcmp(value, "merge"))
+ dst->type = SM_UPDATE_MERGE;
+ else if (skip_prefix(value, "!", &value)) {
+ dst->type = SM_UPDATE_COMMAND;
+ dst->command = xstrdup(value);
+ } else
+ return -1;
+ return 0;
+}
+
+const char *submodule_strategy_to_string(const struct submodule_update_strategy *s)
+{
+ struct strbuf sb = STRBUF_INIT;
+ switch (s->type) {
+ case SM_UPDATE_CHECKOUT:
+ return "checkout";
+ case SM_UPDATE_MERGE:
+ return "merge";
+ case SM_UPDATE_REBASE:
+ return "rebase";
+ case SM_UPDATE_NONE:
+ return "none";
+ case SM_UPDATE_UNSPECIFIED:
+ return NULL;
+ case SM_UPDATE_COMMAND:
+ strbuf_addf(&sb, "!%s", s->command);
+ return strbuf_detach(&sb, NULL);
+ }
+ return NULL;
+}
+
void handle_ignore_submodules_arg(struct diff_options *diffopt,
const char *arg)
{
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;
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) {
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 */
+
+ if (max_parallel_jobs < 0)
+ max_parallel_jobs = parallel_jobs;
+
+ 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)
strbuf_release(&rel_path);
free((void *)real_work_tree);
}
+
+int parallel_submodules(void)
+{
+ return parallel_jobs;
+}