This new function will register all known ref storage backends... once
there are any other than the default. For now, it's a no-op.
Signed-off-by: David Turner <dtur...@twopensource.com>
---
builtin/init-db.c | 3 +++
config.c | 25 +++++++++++++++++++++++++
refs.c | 13 +++++++++----
refs.h | 2 ++
4 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 753cb1c..9bd98eb 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -225,6 +225,7 @@ static int create_default_files(const char *template_path)
if (strcmp(ref_storage_backend, "files")) {
git_config_set("extensions.refStorage", ref_storage_backend);
git_config_set("core.repositoryformatversion",
ref_storage_backend);
+ register_ref_storage_backends();
if (set_ref_storage_backend(ref_storage_backend))
die(_("Unknown ref storage backend %s"),
ref_storage_backend);
@@ -502,6 +503,8 @@ int cmd_init_db(int argc, const char **argv, const char
*prefix)
argc = parse_options(argc, argv, prefix, init_db_options,
init_db_usage, 0);
+ register_ref_storage_backends();
+
if (requested_ref_storage_backend &&
!ref_storage_backend_exists(requested_ref_storage_backend))
die(_("Unknown ref storage backend %s"),
diff --git a/config.c b/config.c
index b95ac3a..025a1ee 100644
--- a/config.c
+++ b/config.c
@@ -11,6 +11,7 @@
#include "strbuf.h"
#include "quote.h"
#include "hashmap.h"
+#include "refs.h"
#include "string-list.h"
#include "utf8.h"
@@ -1207,6 +1208,30 @@ int git_config_early(config_fn_t fn, void *data, const
char *repo_config)
}
if (repo_config && !access_or_die(repo_config, R_OK, 0)) {
+ char *storage = NULL;
+
+ /*
+ * make sure we always read the ref storage config
+ * from the extensions section on startup
+ */
+ ret += git_config_from_file(ref_storage_backend_config,
+ repo_config, &storage);
+
+ register_ref_storage_backends();
+ if (!storage)
+ storage = xstrdup("");
+
+ if (!*storage ||
+ !strcmp(storage, "files")) {
+ /* default backend, nothing to do */
+ free(storage);
+ } else {
+ ref_storage_backend = storage;
+ if (set_ref_storage_backend(ref_storage_backend))
+ die(_("Unknown ref storage backend %s"),
+ ref_storage_backend);
+ }
+
ret += git_config_from_file(fn, repo_config, data);
found += 1;
}
diff --git a/refs.c b/refs.c
index ea7e0eb..dec7b5c 100644
--- a/refs.c
+++ b/refs.c
@@ -14,14 +14,11 @@ static const char split_transaction_fail_warning[] = N_(
"transaction succeeded, but then the update to the per-worktree refs "
"failed. Your repository may be in an inconsistent state.");
-/*
- * We always have a files backend and it is the default.
- */
static struct ref_storage_be *the_refs_backend = &refs_be_files;
/*
* List of all available backends
*/
-static struct ref_storage_be *refs_backends = &refs_be_files;
+static struct ref_storage_be *refs_backends = NULL;
const char *ref_storage_backend = "files";
@@ -1580,3 +1577,11 @@ int rename_ref(const char *oldref, const char *newref,
const char *logmsg)
}
return the_refs_backend->rename_ref(oldref, newref, logmsg);
}
+
+void register_ref_storage_backends(void) {
+ /*
+ * Add register_ref_storage_backend(ptr-to-backend)
+ * entries below when you add a new backend.
+ */
+ register_ref_storage_backend(&refs_be_files);
+}
diff --git a/refs.h b/refs.h
index e659882..363c6ee 100644
--- a/refs.h
+++ b/refs.h
@@ -525,4 +525,6 @@ int ref_storage_backend_exists(const char *name);
void register_ref_storage_backend(struct ref_storage_be *be);
+void register_ref_storage_backends(void);
+
#endif /* REFS_H */
--
2.4.2.767.g62658d5-twtrsrc
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