In a later patch we want to enhance the logic for the branch selection.
Rewrite the current logic to be in C, so we can directly use C when
we enhance the logic.
Signed-off-by: Stefan Beller <sbel...@google.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
builtin/submodule--helper.c | 36 +++++++++++++++++++++++++++++++++++-
git-submodule.sh | 2 +-
2 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index fb90c64..9be2c75 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -899,6 +899,39 @@ static int resolve_relative_path(int argc, const char
**argv, const char *prefix
return 0;
}
+static const char *remote_submodule_branch(const char *path)
+{
+ const struct submodule *sub;
+ gitmodules_config();
+ git_config(submodule_config, NULL);
+
+ sub = submodule_from_path(null_sha1, path);
+ if (!sub)
+ return NULL;
+
+ if (!sub->branch)
+ return "master";
+
+ return sub->branch;
+}
+
+static int resolve_remote_submodule_branch(int argc, const char **argv,
+ const char *prefix)
+{
+ const char *ret;
+ struct strbuf sb = STRBUF_INIT;
+ if (argc != 2)
+ die("submodule--helper remote-branch takes exactly one
arguments, got %d", argc);
+
+ ret = remote_submodule_branch(argv[1]);
+ if (!ret)
+ die("submodule %s doesn't exist", argv[1]);
+
+ printf("%s", ret);
+ strbuf_release(&sb);
+ return 0;
+}
+
struct cmd_struct {
const char *cmd;
int (*fn)(int, const char **, const char *);
@@ -912,7 +945,8 @@ static struct cmd_struct commands[] = {
{"relative-path", resolve_relative_path},
{"resolve-relative-url", resolve_relative_url},
{"resolve-relative-url-test", resolve_relative_url_test},
- {"init", module_init}
+ {"init", module_init},
+ {"remote-branch", resolve_remote_submodule_branch}
};
int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
diff --git a/git-submodule.sh b/git-submodule.sh
index 41aff65..8c5e898 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -614,7 +614,7 @@ cmd_update()
if test -n "$remote"
then
- branch=$(get_submodule_config "$name" branch master)
+ branch=$(git submodule--helper remote-branch "$sm_path")
if test -z "$nofetch"
then
# Fetch remote before determining tracking $sha1
--
2.9.2.524.gdbd1860
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