Just pass it along to "git submodule update", which may pick reasonable
defaults if you don't specify an explicit number.
Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
Documentation/git-clone.txt | 6 +++++-
builtin/clone.c | 19 +++++++++++++------
t/t7406-submodule-update.sh | 15 +++++++++++++++
3 files changed, 33 insertions(+), 7 deletions(-)
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 789b668..cb7966a 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -14,7 +14,7 @@ SYNOPSIS
[-o <name>] [-b <name>] [-u <upload-pack>] [--reference <repository>]
[--dissociate] [--separate-git-dir <git dir>]
[--depth <depth>] [--[no-]single-branch]
- [--recursive | --recurse-submodules] [--] <repository>
+ [--recursive | --recurse-submodules] [--jobs <n>] [--] <repository>
[<directory>]
DESCRIPTION
@@ -220,6 +220,10 @@ objects from the source repository into a pack in the cloned repository.
The result is Git repository can be separated from working
tree.
+-j <n>::
+--jobs <n>::
+ The number of submodules fetched at the same time.
+ Defaults to the `submodule.fetchJobs` option.
<repository>::
The (possibly remote) repository to clone from. See the
diff --git a/builtin/clone.c b/builtin/clone.c
index bcba080..191f522 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -50,6 +50,7 @@ static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
static int option_dissociate;
+static int max_jobs = -1;
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
@@ -72,6 +73,8 @@ static struct option builtin_clone_options[] = {
N_("initialize submodules in the clone")),
OPT_BOOL(0, "recurse-submodules", &option_recursive,
N_("initialize submodules in the clone")),
+ OPT_INTEGER('j', "jobs", &max_jobs,
+ N_("number of submodules cloned in parallel")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
N_("directory from which templates will be used")),
OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
@@ -95,10 +98,6 @@ static struct option builtin_clone_options[] = {
OPT_END()
};
-static const char *argv_submodule[] = {
- "submodule", "update", "--init", "--recursive", NULL
-};
-
static const char *get_repo_path_1(struct strbuf *path, int *is_bundle)
{
static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
@@ -727,8 +726,16 @@ static int checkout(void)
err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
sha1_to_hex(sha1), "1", NULL);
- if (!err && option_recursive)
- err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
+ if (!err && option_recursive) {
+ struct argv_array args = ARGV_ARRAY_INIT;
+ argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
+
+ if (max_jobs != -1)
+ argv_array_pushf(&args, "--jobs=%d", max_jobs);
+
+ err = run_command_v_opt(args.argv, RUN_GIT_CMD);
+ argv_array_clear(&args);
+ }
return err;
}
diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index 815b4d1..0791df7 100755
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -786,4 +786,19 @@ test_expect_success 'submodule update can be run in parallel' '
grep "9 tasks" trace.out
)
'
+
+test_expect_success 'git clone passes the parallel jobs config on to submodules' '
+ test_when_finished "rm -rf super4" &&
+ GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 7 . super4 &&
+ grep "7 tasks" trace.out &&
+ rm -rf super4 &&
+ git config --global submodule.fetchJobs 8 &&
+ GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules . super4 &&
+ grep "8 tasks" trace.out &&
+ rm -rf super4 &&
+ GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 9 . super4 &&
+ grep "9 tasks" trace.out &&
+ rm -rf super4
+'
+
test_done
--
2.7.1.292.g18a4ced.dirty
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