[PATCH v2 4/5] fetch: Add the --submodule-fetch-jobs option

[Palmer Dabbelt <palmer@sifive.com>]

This is exactly the same as --jobs, but the more explicit name will
allow us to later change the behavior of --jobs to control both the
number of jobs for remotes as well as submodules.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
---
 Documentation/fetch-options.txt | 1 +
 builtin/fetch.c                 | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index dbd2add686dd..5836024f1934 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -160,6 +160,7 @@ ifndef::git-pull[]
 
 -j::
 --jobs=<n>::
+--submodule-fetch-jobs=<n>::
 	Number of parallel children to be used for fetching submodules.
 	Each will fetch from different submodules, such that fetching many
 	submodules will be faster. By default submodules will be fetched
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 4c5f2ea3a931..67d001f3f78b 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -146,6 +146,8 @@ static struct option builtin_fetch_options[] = {
 		    N_("number of submodules fetched in parallel")),
 	OPT_INTEGER(0, "fetch-jobs", &max_children_for_fetch,
 		    N_("number of remotes fetched in parallel")),
+	OPT_INTEGER(0, "submodule-fetch-jobs", &max_children_for_submodules,
+		    N_("number of submodules fetched in parallel")),
 	OPT_BOOL('p', "prune", &prune,
 		 N_("prune remote-tracking branches no longer on remote")),
 	OPT_BOOL('P', "prune-tags", &prune_tags,
-- 
2.21.0