[PATCH v4 14/15] files-backend: remove submodule_allowed from files_downcast()

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Since submodule or not is irrelevant to files-backend after the last
patch, remove the parameter from files_downcast() and kill
files_assert_main_repository().

PS. This implies that all ref operations are allowed for submodules. But
we may need to look more closely to see if that's really true...

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 refs/files-backend.c | 70 ++++++++++++++++------------------------------------
 1 file changed, 21 insertions(+), 49 deletions(-)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 529c80af1..b8ccf4e47 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1030,24 +1030,13 @@ static struct ref_store *files_ref_store_create(const char *gitdir)
 }
 
 /*
- * Die if refs is for a submodule (i.e., not for the main repository).
- * caller is used in any necessary error messages.
- */
-static void files_assert_main_repository(struct files_ref_store *refs,
-					 const char *caller)
-{
-	/* This function is to be deleted in the next patch */
-}
-
-/*
  * Downcast ref_store to files_ref_store. Die if ref_store is not a
  * files_ref_store. If submodule_allowed is not true, then also die if
  * files_ref_store is for a submodule (i.e., not for the main
  * repository). caller is used in any necessary error messages.
  */
-static struct files_ref_store *files_downcast(
-		struct ref_store *ref_store, int submodule_allowed,
-		const char *caller)
+static struct files_ref_store *files_downcast(struct ref_store *ref_store,
+					      const char *caller)
 {
 	struct files_ref_store *refs;
 
@@ -1057,9 +1046,6 @@ static struct files_ref_store *files_downcast(
 
 	refs = (struct files_ref_store *)ref_store;
 
-	if (!submodule_allowed)
-		files_assert_main_repository(refs, caller);
-
 	return refs;
 }
 
@@ -1395,7 +1381,7 @@ static int files_read_raw_ref(struct ref_store *ref_store,
 			      struct strbuf *referent, unsigned int *type)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 1, "read_raw_ref");
+		files_downcast(ref_store, "read_raw_ref");
 	struct strbuf sb_contents = STRBUF_INIT;
 	struct strbuf sb_path = STRBUF_INIT;
 	const char *path;
@@ -1588,7 +1574,6 @@ static int lock_raw_ref(struct files_ref_store *refs,
 	int ret = TRANSACTION_GENERIC_ERROR;
 
 	assert(err);
-	files_assert_main_repository(refs, "lock_raw_ref");
 
 	*type = 0;
 
@@ -1812,7 +1797,7 @@ static enum peel_status peel_entry(struct ref_entry *entry, int repeel)
 static int files_peel_ref(struct ref_store *ref_store,
 			  const char *refname, unsigned char *sha1)
 {
-	struct files_ref_store *refs = files_downcast(ref_store, 0, "peel_ref");
+	struct files_ref_store *refs = files_downcast(ref_store, "peel_ref");
 	int flag;
 	unsigned char base[20];
 
@@ -1921,7 +1906,7 @@ static struct ref_iterator *files_ref_iterator_begin(
 		const char *prefix, unsigned int flags)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 1, "ref_iterator_begin");
+		files_downcast(ref_store, "ref_iterator_begin");
 	struct ref_dir *loose_dir, *packed_dir;
 	struct ref_iterator *loose_iter, *packed_iter;
 	struct files_ref_iterator *iter;
@@ -2059,7 +2044,6 @@ static struct ref_lock *lock_ref_sha1_basic(struct files_ref_store *refs,
 	int resolve_flags = RESOLVE_REF_NO_RECURSE;
 	int resolved;
 
-	files_assert_main_repository(refs, "lock_ref_sha1_basic");
 	assert(err);
 
 	lock = xcalloc(1, sizeof(struct ref_lock));
@@ -2184,8 +2168,6 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
 	struct strbuf sb = STRBUF_INIT;
 	int ret;
 
-	files_assert_main_repository(refs, "lock_packed_refs");
-
 	if (!timeout_configured) {
 		git_config_get_int("core.packedrefstimeout", &timeout_value);
 		timeout_configured = 1;
@@ -2225,8 +2207,6 @@ static int commit_packed_refs(struct files_ref_store *refs)
 	int save_errno = 0;
 	FILE *out;
 
-	files_assert_main_repository(refs, "commit_packed_refs");
-
 	if (!packed_ref_cache->lock)
 		die("internal error: packed-refs not locked");
 
@@ -2258,8 +2238,6 @@ static void rollback_packed_refs(struct files_ref_store *refs)
 	struct packed_ref_cache *packed_ref_cache =
 		get_packed_ref_cache(refs);
 
-	files_assert_main_repository(refs, "rollback_packed_refs");
-
 	if (!packed_ref_cache->lock)
 		die("internal error: packed-refs not locked");
 	rollback_lock_file(packed_ref_cache->lock);
@@ -2420,7 +2398,7 @@ static void prune_refs(struct files_ref_store *refs, struct ref_to_prune *r)
 static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "pack_refs");
+		files_downcast(ref_store, "pack_refs");
 	struct pack_refs_cb_data cbdata;
 
 	memset(&cbdata, 0, sizeof(cbdata));
@@ -2453,7 +2431,6 @@ static int repack_without_refs(struct files_ref_store *refs,
 	struct string_list_item *refname;
 	int ret, needs_repacking = 0, removed = 0;
 
-	files_assert_main_repository(refs, "repack_without_refs");
 	assert(err);
 
 	/* Look for a packed ref */
@@ -2503,7 +2480,7 @@ static int files_delete_refs(struct ref_store *ref_store,
 			     struct string_list *refnames, unsigned int flags)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "delete_refs");
+		files_downcast(ref_store, "delete_refs");
 	struct strbuf err = STRBUF_INIT;
 	int i, result = 0;
 
@@ -2615,7 +2592,7 @@ static int files_verify_refname_available(struct ref_store *ref_store,
 					  struct strbuf *err)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 1, "verify_refname_available");
+		files_downcast(ref_store, "verify_refname_available");
 	struct ref_dir *packed_refs = get_packed_refs(refs);
 	struct ref_dir *loose_refs = get_loose_refs(refs);
 
@@ -2640,7 +2617,7 @@ static int files_rename_ref(struct ref_store *ref_store,
 			    const char *logmsg)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "rename_ref");
+		files_downcast(ref_store, "rename_ref");
 	unsigned char sha1[20], orig_sha1[20];
 	int flag = 0, logmoved = 0;
 	struct ref_lock *lock;
@@ -2883,7 +2860,7 @@ static int files_create_reflog(struct ref_store *ref_store,
 			       struct strbuf *err)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "create_reflog");
+		files_downcast(ref_store, "create_reflog");
 	int fd;
 
 	if (log_ref_setup(refs, refname, force_create, &fd, err))
@@ -3014,8 +2991,6 @@ static int commit_ref_update(struct files_ref_store *refs,
 			     const unsigned char *sha1, const char *logmsg,
 			     struct strbuf *err)
 {
-	files_assert_main_repository(refs, "commit_ref_update");
-
 	clear_loose_ref_cache(refs);
 	if (files_log_ref_write(refs, lock->ref_name, lock->old_oid.hash,
 				sha1, logmsg, 0, err)) {
@@ -3124,7 +3099,7 @@ static int files_create_symref(struct ref_store *ref_store,
 			       const char *logmsg)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "create_symref");
+		files_downcast(ref_store, "create_symref");
 	struct strbuf err = STRBUF_INIT;
 	struct ref_lock *lock;
 	int ret;
@@ -3150,7 +3125,7 @@ int set_worktree_head_symref(const char *gitdir, const char *target)
 	 * backends. This function needs to die.
 	 */
 	struct files_ref_store *refs =
-		files_downcast(get_ref_store(NULL), 0, "set_head_symref");
+		files_downcast(get_ref_store(NULL), "set_head_symref");
 	static struct lock_file head_lock;
 	struct ref_lock *lock;
 	struct strbuf head_path = STRBUF_INIT;
@@ -3188,7 +3163,7 @@ static int files_reflog_exists(struct ref_store *ref_store,
 			       const char *refname)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "reflog_exists");
+		files_downcast(ref_store, "reflog_exists");
 	struct strbuf sb = STRBUF_INIT;
 	struct stat st;
 	int ret;
@@ -3203,7 +3178,7 @@ static int files_delete_reflog(struct ref_store *ref_store,
 			       const char *refname)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "delete_reflog");
+		files_downcast(ref_store, "delete_reflog");
 	struct strbuf sb = STRBUF_INIT;
 	int ret;
 
@@ -3258,7 +3233,7 @@ static int files_for_each_reflog_ent_reverse(struct ref_store *ref_store,
 					     void *cb_data)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "for_each_reflog_ent_reverse");
+		files_downcast(ref_store, "for_each_reflog_ent_reverse");
 	struct strbuf sb = STRBUF_INIT;
 	FILE *logfp;
 	long pos;
@@ -3366,7 +3341,7 @@ static int files_for_each_reflog_ent(struct ref_store *ref_store,
 				     each_reflog_ent_fn fn, void *cb_data)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "for_each_reflog_ent");
+		files_downcast(ref_store, "for_each_reflog_ent");
 	FILE *logfp;
 	struct strbuf sb = STRBUF_INIT;
 	int ret = 0;
@@ -3454,7 +3429,7 @@ static struct ref_iterator_vtable files_reflog_iterator_vtable = {
 static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_store)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "reflog_iterator_begin");
+		files_downcast(ref_store, "reflog_iterator_begin");
 	struct files_reflog_iterator *iter = xcalloc(1, sizeof(*iter));
 	struct ref_iterator *ref_iterator = &iter->base;
 	struct strbuf sb = STRBUF_INIT;
@@ -3666,8 +3641,6 @@ static int lock_ref_for_update(struct files_ref_store *refs,
 	int ret;
 	struct ref_lock *lock;
 
-	files_assert_main_repository(refs, "lock_ref_for_update");
-
 	if ((update->flags & REF_HAVE_NEW) && is_null_sha1(update->new_sha1))
 		update->flags |= REF_DELETING;
 
@@ -3792,7 +3765,7 @@ static int files_transaction_commit(struct ref_store *ref_store,
 				    struct strbuf *err)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "ref_transaction_commit");
+		files_downcast(ref_store, "ref_transaction_commit");
 	int ret = 0, i;
 	struct string_list refs_to_delete = STRING_LIST_INIT_NODUP;
 	struct string_list_item *ref_to_delete;
@@ -4000,7 +3973,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
 					    struct strbuf *err)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "initial_ref_transaction_commit");
+		files_downcast(ref_store, "initial_ref_transaction_commit");
 	int ret = 0, i;
 	struct string_list affected_refnames = STRING_LIST_INIT_NODUP;
 
@@ -4122,7 +4095,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
 			       void *policy_cb_data)
 {
 	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "reflog_expire");
+		files_downcast(ref_store, "reflog_expire");
 	static struct lock_file reflog_lock;
 	struct expire_reflog_cb cb;
 	struct ref_lock *lock;
@@ -4227,8 +4200,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
 
 static int files_init_db(struct ref_store *ref_store, struct strbuf *err)
 {
-	struct files_ref_store *refs =
-		files_downcast(ref_store, 0, "init_db");
+	struct files_ref_store *refs = files_downcast(ref_store, "init_db");
 	struct strbuf sb = STRBUF_INIT;
 
 	/*
-- 
2.11.0.157.gd943d85




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