Signed-off-by: Stefan Beller <sbel...@google.com>
---
Documentation/fetch-options.txt | 7 +++++++
builtin/fetch.c | 5 ++++-
builtin/pull.c | 6 ++++++
t/t5526-fetch-submodules.sh | 19 +++++++++++++++++++
4 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index 45583d8..6b109f6 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -100,6 +100,13 @@ ifndef::git-pull[]
reference to a commit that isn't already in the local submodule
clone.
+-j::
+--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
+ one at a time.
+
--no-recurse-submodules::
Disable recursive fetching of submodules (this has the same effect as
using the '--recurse-submodules=no' option).
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 6620ed0..f28eac6 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -37,6 +37,7 @@ static int prune = -1; /* unspecified */
static int all, append, dry_run, force, keep, multiple, update_head_ok,
verbosity;
static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
static int tags = TAGS_DEFAULT, unshallow, update_shallow;
+static int max_children = 1;
static const char *depth;
static const char *upload_pack;
static struct strbuf default_rla = STRBUF_INIT;
@@ -99,6 +100,8 @@ static struct option builtin_fetch_options[] = {
N_("fetch all tags and associated objects"), TAGS_SET),
OPT_SET_INT('n', NULL, &tags,
N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
+ OPT_INTEGER('j', "jobs", &max_children,
+ N_("number of submodules fetched in parallel")),
OPT_BOOL('p', "prune", &prune,
N_("prune remote-tracking branches no longer on remote")),
{ OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
@@ -1218,7 +1221,7 @@ int cmd_fetch(int argc, const char **argv, const char
*prefix)
submodule_prefix,
recurse_submodules,
verbosity < 0,
- 0);
+ max_children);
argv_array_clear(&options);
}
diff --git a/builtin/pull.c b/builtin/pull.c
index 722a83c..f0af196 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -94,6 +94,7 @@ static int opt_force;
static char *opt_tags;
static char *opt_prune;
static char *opt_recurse_submodules;
+static char *max_children;
static int opt_dry_run;
static char *opt_keep;
static char *opt_depth;
@@ -177,6 +178,9 @@ static struct option pull_options[] = {
N_("on-demand"),
N_("control recursive fetching of submodules"),
PARSE_OPT_OPTARG),
+ OPT_PASSTHRU('j', "jobs", &max_children, N_("n"),
+ N_("number of submodules pulled in parallel"),
+ PARSE_OPT_OPTARG),
OPT_BOOL(0, "dry-run", &opt_dry_run,
N_("dry run")),
OPT_PASSTHRU('k', "keep", &opt_keep, NULL,
@@ -524,6 +528,8 @@ static int run_fetch(const char *repo, const char
**refspecs)
argv_array_push(&args, opt_prune);
if (opt_recurse_submodules)
argv_array_push(&args, opt_recurse_submodules);
+ if (max_children)
+ argv_array_push(&args, max_children);
if (opt_dry_run)
argv_array_push(&args, "--dry-run");
if (opt_keep)
diff --git a/t/t5526-fetch-submodules.sh b/t/t5526-fetch-submodules.sh
index 17759b1..1b4ce69 100755
--- a/t/t5526-fetch-submodules.sh
+++ b/t/t5526-fetch-submodules.sh
@@ -71,6 +71,16 @@ test_expect_success "fetch --recurse-submodules recurses
into submodules" '
test_i18ncmp expect.err actual.err
'
+test_expect_success "fetch --recurse-submodules -j2 has the same output
behaviour" '
+ add_upstream_commit &&
+ (
+ cd downstream &&
+ git fetch --recurse-submodules -j2 2>../actual.err
+ ) &&
+ test_must_be_empty actual.out &&
+ test_i18ncmp expect.err actual.err
+'
+
test_expect_success "fetch alone only fetches superproject" '
add_upstream_commit &&
(
@@ -140,6 +150,15 @@ test_expect_success "--quiet propagates to submodules" '
! test -s actual.err
'
+test_expect_success "--quiet propagates to parallel submodules" '
+ (
+ cd downstream &&
+ git fetch --recurse-submodules -j 2 --quiet >../actual.out
2>../actual.err
+ ) &&
+ ! test -s actual.out &&
+ ! test -s actual.err
+'
+
test_expect_success "--dry-run propagates to submodules" '
add_upstream_commit &&
(
--
2.6.0.rc0.131.gf624c3d
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