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authorBrandon Williams <bmwill@google.com>2016-12-19 18:25:33 (GMT)
committerJunio C Hamano <gitster@pobox.com>2016-12-20 20:26:34 (GMT)
commit225e8bf778d21104da10cfb316e0e2898b24e809 (patch)
treede1b2a86ba8a6b39aa47de0ac5a3ca004cb5442e
parent6c656c3fe4ba13cdf03ed85c059690653fd376cb (diff)
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push: add option to push only submodules
Teach push the --recurse-submodules=only option. This enables push to recursively push all unpushed submodules while leaving the superproject unpushed. This is a desirable feature in a scenario where updates to the superproject are handled automatically by some other means, perhaps a tool like Gerrit code review. In this scenario, a developer could make a change which spans multiple submodules and then push their commits for code review. Upon completion of the code review, their commits can be accepted and applied to their respective submodules while the code review tool can then automatically update the superproject to the most recent SHA1 of each submodule. This would reduce the merge conflicts in the superproject that could occur if multiple people are contributing to the same submodule. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/push.c2
-rwxr-xr-xt/t5531-deep-submodule-push.sh21
-rw-r--r--transport.c15
-rw-r--r--transport.h1
4 files changed, 35 insertions, 4 deletions
diff --git a/builtin/push.c b/builtin/push.c
index 3bb9d6b..9433797 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -565,6 +565,8 @@ int cmd_push(int argc, const char **argv, const char *prefix)
flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
+ else if (recurse_submodules == RECURSE_SUBMODULES_ONLY)
+ flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY;
if (tags)
add_refspec("refs/tags/*");
diff --git a/t/t5531-deep-submodule-push.sh b/t/t5531-deep-submodule-push.sh
index 1524ff5..f55137f 100755
--- a/t/t5531-deep-submodule-push.sh
+++ b/t/t5531-deep-submodule-push.sh
@@ -454,4 +454,25 @@ test_expect_success 'push --dry-run does not recursively update submodules' '
test_cmp expected_submodule actual_submodule
'
+test_expect_success 'push --dry-run does not recursively update submodules' '
+ git -C work push --dry-run --recurse-submodules=only ../pub.git master &&
+
+ git -C submodule.git rev-parse master >actual_submodule &&
+ git -C pub.git rev-parse master >actual_pub &&
+ test_cmp expected_pub actual_pub &&
+ test_cmp expected_submodule actual_submodule
+'
+
+test_expect_success 'push only unpushed submodules recursively' '
+ git -C work/gar/bage rev-parse master >expected_submodule &&
+ git -C pub.git rev-parse master >expected_pub &&
+
+ git -C work push --recurse-submodules=only ../pub.git master &&
+
+ git -C submodule.git rev-parse master >actual_submodule &&
+ git -C pub.git rev-parse master >actual_pub &&
+ test_cmp expected_submodule actual_submodule &&
+ test_cmp expected_pub actual_pub
+'
+
test_done
diff --git a/transport.c b/transport.c
index 04e5d66..20ebee8 100644
--- a/transport.c
+++ b/transport.c
@@ -947,7 +947,9 @@ int transport_push(struct transport *transport,
if (run_pre_push_hook(transport, remote_refs))
return -1;
- if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) {
+ if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
+ !is_bare_repository()) {
struct ref *ref = remote_refs;
struct sha1_array commits = SHA1_ARRAY_INIT;
@@ -965,7 +967,8 @@ int transport_push(struct transport *transport,
}
if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
- ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) &&
+ ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
!pretend)) && !is_bare_repository()) {
struct ref *ref = remote_refs;
struct string_list needs_pushing = STRING_LIST_INIT_DUP;
@@ -984,7 +987,10 @@ int transport_push(struct transport *transport,
sha1_array_clear(&commits);
}
- push_ret = transport->push_refs(transport, remote_refs, flags);
+ if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
+ push_ret = transport->push_refs(transport, remote_refs, flags);
+ else
+ push_ret = 0;
err = push_had_errors(remote_refs);
ret = push_ret | err;
@@ -996,7 +1002,8 @@ int transport_push(struct transport *transport,
if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
set_upstreams(transport, remote_refs, pretend);
- if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
+ if (!(flags & (TRANSPORT_PUSH_DRY_RUN |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY))) {
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next)
transport_update_tracking_ref(transport->remote, ref, verbose);
diff --git a/transport.h b/transport.h
index 1b65458..efd5fb6 100644
--- a/transport.h
+++ b/transport.h
@@ -146,6 +146,7 @@ struct transport {
#define TRANSPORT_PUSH_CERT_IF_ASKED (1<<12)
#define TRANSPORT_PUSH_ATOMIC (1<<13)
#define TRANSPORT_PUSH_OPTIONS (1<<14)
+#define TRANSPORT_RECURSE_SUBMODULES_ONLY (1<<15)
extern int transport_summary_width(const struct ref *refs);