static int submodule_needs_pushing(const char *path, const unsigned char sha1[20])
{
if (add_submodule_odb(path) || !lookup_commit_reference(sha1))
return 0;
if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
struct child_process cp;
const char *argv[] = {"rev-list", NULL, "--not", "--remotes", "-n", "1" , NULL};
struct strbuf buf = STRBUF_INIT;
int needs_pushing = 0;
argv[1] = sha1_to_hex(sha1);
memset(&cp, 0, sizeof(cp));
cp.argv = argv;
cp.env = local_repo_env;
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.out = -1;
cp.dir = path;
if (start_command(&cp))
die("Could not run 'git rev-list %s --not --remotes -n 1' command in submodule %s",
sha1_to_hex(sha1), path);
if (strbuf_read(&buf, cp.out, 41))
needs_pushing = 1;
finish_command(&cp);
close(cp.out);
strbuf_release(&buf);
return needs_pushing;
}
return 0;
}
static int push_submodule(const char *path)
{
if (add_submodule_odb(path))
return 1;
if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
struct child_process cp = CHILD_PROCESS_INIT;
const char *argv[] = {"push", NULL};
cp.argv = argv;
cp.env = local_repo_env;
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.dir = path;
if (run_command(&cp))
return 0;
close(cp.out);
}
return 1;
}
