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List: git
Subject: [PATCH v4 31/33] submodule--helper: libify more "die" paths for module_update()
From: Ævar Arnfjörð Bjarmason <avarab () gmail ! com>
Date: 2022-08-31 23:18:13
Message-ID: patch-v4-31.33-a0d71b4e8bb-20220831T230519Z-avarab () gmail ! com
[Download RAW message or body]
As noted in a preceding commit the get_default_remote_submodule() and
remote_submodule_branch() functions would invoke die(), and thus leave
update_submodule() only partially lib-ified. Let's address the former
of those cases.
Change the functions to return an int exit code (non-zero on failure),
while leaving the get_default_remote() function for the callers that
still want the die() semantics.
This change addresses 1/2 of the "die" issue in these two lines in
update_submodule():
char *remote_name = get_default_remote_submodule(update_data->sm_path);
const char *branch = remote_submodule_branch(update_data->sm_path);
We can safely remove the "!default_remote" case from sync_submodule(),
because our get_default_remote_submodule() function now returns a
die_message() on failure, so we can have it an dother callers check if
the exit code should be non-zero instead.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
builtin/submodule--helper.c | 58 +++++++++++++++++++++++--------------
1 file changed, 37 insertions(+), 21 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index dfd71f0f2b2..9de3a3c921a 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -31,48 +31,57 @@
typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
void *cb_data);
-static char *repo_get_default_remote(struct repository *repo)
+static int repo_get_default_remote(struct repository *repo, char **default_remote)
{
- char *dest = NULL, *ret;
+ char *dest = NULL;
struct strbuf sb = STRBUF_INIT;
struct ref_store *store = get_main_ref_store(repo);
const char *refname = refs_resolve_ref_unsafe(store, "HEAD", 0, NULL,
NULL);
if (!refname)
- die(_("No such ref: %s"), "HEAD");
+ return die_message(_("No such ref: %s"), "HEAD");
/* detached HEAD */
- if (!strcmp(refname, "HEAD"))
- return xstrdup("origin");
+ if (!strcmp(refname, "HEAD")) {
+ *default_remote = xstrdup("origin");
+ return 0;
+ }
if (!skip_prefix(refname, "refs/heads/", &refname))
- die(_("Expecting a full ref name, got %s"), refname);
+ return die_message(_("Expecting a full ref name, got %s"),
+ refname);
strbuf_addf(&sb, "branch.%s.remote", refname);
if (repo_config_get_string(repo, sb.buf, &dest))
- ret = xstrdup("origin");
+ *default_remote = xstrdup("origin");
else
- ret = dest;
+ *default_remote = dest;
strbuf_release(&sb);
- return ret;
+ return 0;
}
-static char *get_default_remote_submodule(const char *module_path)
+static int get_default_remote_submodule(const char *module_path, char **default_remote)
{
struct repository subrepo;
if (repo_submodule_init(&subrepo, the_repository, module_path,
null_oid()) < 0)
- die(_("could not get a repository handle for submodule '%s'"),
- module_path);
- return repo_get_default_remote(&subrepo);
+ return die_message(_("could not get a repository handle for submodule '%s'"),
+ module_path);
+ return repo_get_default_remote(&subrepo, default_remote);
}
static char *get_default_remote(void)
{
- return repo_get_default_remote(the_repository);
+ char *default_remote;
+ int code = repo_get_default_remote(the_repository, &default_remote);
+
+ if (code)
+ exit(code);
+
+ return default_remote;
}
static char *resolve_relative_url(const char *rel_url, const char *up_path, int quiet)
@@ -1159,6 +1168,7 @@ static void sync_submodule(const char *path, const char *prefix,
char *sub_origin_url, *super_config_url, *displaypath, *default_remote;
struct strbuf sb = STRBUF_INIT;
char *sub_config_path = NULL;
+ int code;
if (!is_submodule_active(the_repository, path))
return;
@@ -1198,10 +1208,9 @@ static void sync_submodule(const char *path, const char *prefix,
goto cleanup;
strbuf_reset(&sb);
- default_remote = get_default_remote_submodule(path);
- if (!default_remote)
- die(_("failed to get the default remote for submodule '%s'"),
- path);
+ code = get_default_remote_submodule(path, &default_remote);
+ if (code)
+ exit(code);
remote_key = xstrfmt("remote.%s.url", default_remote);
free(default_remote);
@@ -2422,9 +2431,16 @@ static int update_submodule(struct update_data *update_data)
update_data->displaypath);
if (update_data->remote) {
- char *remote_name = get_default_remote_submodule(update_data->sm_path);
- const char *branch = remote_submodule_branch(update_data->sm_path);
- char *remote_ref = xstrfmt("refs/remotes/%s/%s", remote_name, branch);
+ char *remote_name;
+ const char *branch;
+ char *remote_ref;
+ int code;
+
+ code = get_default_remote_submodule(update_data->sm_path, &remote_name);
+ if (code)
+ return code;
+ branch = remote_submodule_branch(update_data->sm_path);
+ remote_ref = xstrfmt("refs/remotes/%s/%s", remote_name, branch);
if (!update_data->nofetch) {
if (fetch_in_submodule(update_data->sm_path, update_data->depth,
--
2.37.3.1420.g76f8a3d556c
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