Add the 'push-check' subcommand to submodule--helper which is used to
check if the provided remote and refspec can be used as part of a push
operation in the submodule.
Signed-off-by: Brandon Williams <bmw...@google.com>
---
builtin/submodule--helper.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 85aafe46a..6ee962207 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1105,6 +1105,50 @@ static int resolve_remote_submodule_branch(int argc,
const char **argv,
return 0;
}
+static int push_check(int argc, const char **argv, const char *prefix)
+{
+ struct remote *remote;
+
+ if (argc < 2)
+ die("submodule--helper push-check requires at least 1
argument");
+
+ /*
+ * The remote must be configured.
+ * This is to avoid pushing to the exact same URL as the parent.
+ */
+ remote = pushremote_get(argv[1]);
+ if (!remote || remote->origin == REMOTE_UNCONFIGURED)
+ die("remote '%s' not configured", argv[1]);
+
+ /* Check the refspec */
+ if (argc > 2) {
+ int i, refspec_nr = argc - 2;
+ struct ref *local_refs = get_local_heads();
+ struct refspec *refspec = parse_push_refspec(refspec_nr,
+ argv + 2);
+
+ for (i = 0; i < refspec_nr; i++) {
+ struct refspec *rs = refspec + i;
+
+ if (rs->pattern || rs->matching)
+ continue;
+
+ /*
+ * LHS must match a single ref
+ * NEEDSWORK: add logic to special case 'HEAD' once
+ * working with submodules in a detached head state
+ * ceases to be the norm.
+ */
+ if (count_refspec_match(rs->src, local_refs, NULL) != 1)
+ die("src refspec '%s' must name a ref",
+ rs->src);
+ }
+ free_refspec(refspec_nr, refspec);
+ }
+
+ return 0;
+}
+
static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
{
int i;
@@ -1170,6 +1214,7 @@ static struct cmd_struct commands[] = {
{"resolve-relative-url-test", resolve_relative_url_test, 0},
{"init", module_init, SUPPORT_SUPER_PREFIX},
{"remote-branch", resolve_remote_submodule_branch, 0},
+ {"push-check", push_check, 0},
{"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
{"is-active", is_active, 0},
};
--
2.12.2.715.g7642488e1d-goog
