refs API: post-migration API renaming [2/2]

Rename the transitory refs_werrres_ref_unsafe() function to
refs_resolve_ref_unsafe(), now that all callers of the old function
have learned to pass in a "failure_errno" parameter.

The coccinelle semantic patch added in the preceding commit works, but
I couldn't figure out how to get spatch(1) to re-flow these argument
lists (and sometimes make lines way too long), so this rename was done
with:

    perl -pi -e 's/refs_werrres_ref_unsafe/refs_resolve_ref_unsafe/g' \
    $(git grep -l refs_werrres_ref_unsafe -- '*.c')

But after that "make contrib/coccinelle/refs.cocci.patch" comes up
empty, so the result would have been the same. Let's remove that
transitory semantic patch file, we won't need to retain it for any
other in-flight changes, refs_werrres_ref_unsafe() only existed within
this patch series.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/coccinelle/refs.pending.cocci

@@ -1,5 +0,0 @@
-@@
-expression refs, refname, resolve_flags, oid, flags, failure_errno;
-@@
-- refs_werrres_ref_unsafe(refs, refname, resolve_flags, oid, flags, failure_errno)
-+ refs_resolve_ref_unsafe(refs, refname, resolve_flags, oid, flags, failure_errno)

refs.c

@@ -270,7 +270,7 @@ char *refs_resolve_refdup(struct ref_store *refs,
 	const char *result;
 	int ignore_errno;
 
-	result = refs_werrres_ref_unsafe(refs, refname, resolve_flags,
+	result = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
 					 oid, flags, &ignore_errno);
 	return xstrdup_or_null(result);
 }
@@ -296,7 +296,7 @@ int read_ref_full(const char *refname, int resolve_flags, struct object_id *oid,
 	int ignore_errno;
 	struct ref_store *refs = get_main_ref_store(the_repository);
 
-	if (refs_werrres_ref_unsafe(refs, refname, resolve_flags,
+	if (refs_resolve_ref_unsafe(refs, refname, resolve_flags,
 				    oid, flags, &ignore_errno))
 		return 0;
 	return -1;
@@ -310,7 +310,7 @@ int read_ref(const char *refname, struct object_id *oid)
 int refs_ref_exists(struct ref_store *refs, const char *refname)
 {
 	int ignore_errno;
-	return !!refs_werrres_ref_unsafe(refs, refname, RESOLVE_REF_READING,
+	return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING,
 					 NULL, NULL, &ignore_errno);
 }
 
@@ -660,7 +660,7 @@ int expand_ref(struct repository *repo, const char *str, int len,
 		this_result = refs_found ? &oid_from_ref : oid;
 		strbuf_reset(&fullref);
 		strbuf_addf(&fullref, *p, len, str);
-		r = refs_werrres_ref_unsafe(refs, fullref.buf,
+		r = refs_resolve_ref_unsafe(refs, fullref.buf,
 					    RESOLVE_REF_READING,
 					    this_result, &flag,
 					    &ignore_errno);
@@ -696,7 +696,7 @@ int repo_dwim_log(struct repository *r, const char *str, int len,
 
 		strbuf_reset(&path);
 		strbuf_addf(&path, *p, len, str);
-		ref = refs_werrres_ref_unsafe(refs, path.buf,
+		ref = refs_resolve_ref_unsafe(refs, path.buf,
 					      RESOLVE_REF_READING,
 					      oid ? &hash : NULL, NULL,
 					      &ignore_errno);
@@ -1383,7 +1383,7 @@ int refs_head_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
 	int flag;
 	int ignore_errno;
 
-	if (refs_werrres_ref_unsafe(refs, "HEAD", RESOLVE_REF_READING,
+	if (refs_resolve_ref_unsafe(refs, "HEAD", RESOLVE_REF_READING,
 				    &oid, &flag, &ignore_errno))
 		return fn("HEAD", &oid, flag, cb_data);
 
@@ -1779,7 +1779,7 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
 {
 	int ignore_errno;
 
-	return refs_werrres_ref_unsafe(get_main_ref_store(the_repository), refname,
+	return refs_resolve_ref_unsafe(get_main_ref_store(the_repository), refname,
 				       resolve_flags, oid, flags, &ignore_errno);
 }
 
@@ -1795,7 +1795,7 @@ int resolve_gitlink_ref(const char *submodule, const char *refname,
 	if (!refs)
 		return -1;
 
-	if (!refs_werrres_ref_unsafe(refs, refname, 0, oid, &flags,
+	if (!refs_resolve_ref_unsafe(refs, refname, 0, oid, &flags,
 				     &ignore_errno) || is_null_oid(oid))
 		return -1;
 	return 0;

refs.h

@@ -68,8 +68,6 @@ struct worktree;
 #define RESOLVE_REF_NO_RECURSE 0x02
 #define RESOLVE_REF_ALLOW_BAD_NAME 0x04
 
-#define refs_werrres_ref_unsafe(refs, refname, resolve_flags, oid, flags, failure_errno) \
-	refs_resolve_ref_unsafe(refs, refname, resolve_flags, oid, flags, failure_errno)
 const char *refs_resolve_ref_unsafe(struct ref_store *refs,
 				    const char *refname,
 				    int resolve_flags,

refs/files-backend.c

@@ -281,7 +281,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
 							  refname.len));
 		} else {
 			int ignore_errno;
-			if (!refs_werrres_ref_unsafe(&refs->base,
+			if (!refs_resolve_ref_unsafe(&refs->base,
 						     refname.buf,
 						     RESOLVE_REF_READING,
 						     &oid, &flag, &ignore_errno)) {
@@ -1034,7 +1034,7 @@ static struct ref_lock *lock_ref_oid_basic(struct files_ref_store *refs,
 		goto error_return;
 	}
 
-	if (!refs_werrres_ref_unsafe(&refs->base, lock->ref_name, 0,
+	if (!refs_resolve_ref_unsafe(&refs->base, lock->ref_name, 0,
 				     &lock->old_oid, NULL, &ignore_errno))
 		oidclr(&lock->old_oid);
 	goto out;
@@ -1410,7 +1410,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
 		goto out;
 	}
 
-	if (!refs_werrres_ref_unsafe(&refs->base, oldrefname,
+	if (!refs_resolve_ref_unsafe(&refs->base, oldrefname,
 				     RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
 				     &orig_oid, &flag, &ignore_errno)) {
 		ret = error("refname %s not found", oldrefname);
@@ -1456,7 +1456,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
 	 * the safety anyway; we want to delete the reference whatever
 	 * its current value.
 	 */
-	if (!copy && refs_werrres_ref_unsafe(&refs->base, newrefname,
+	if (!copy && refs_resolve_ref_unsafe(&refs->base, newrefname,
 					     RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
 					     NULL, NULL, &ignore_errno) &&
 	    refs_delete_ref(&refs->base, NULL, newrefname,
@@ -1825,7 +1825,7 @@ static int commit_ref_update(struct files_ref_store *refs,
 		const char *head_ref;
 		int ignore_errno;
 
-		head_ref = refs_werrres_ref_unsafe(&refs->base, "HEAD",
+		head_ref = refs_resolve_ref_unsafe(&refs->base, "HEAD",
 						   RESOLVE_REF_READING,
 						   NULL, &head_flag,
 						   &ignore_errno);
@@ -1875,7 +1875,7 @@ static void update_symref_reflog(struct files_ref_store *refs,
 	int ignore_errno;
 
 	if (logmsg &&
-	    refs_werrres_ref_unsafe(&refs->base, target,
+	    refs_resolve_ref_unsafe(&refs->base, target,
 				    RESOLVE_REF_READING, &new_oid, NULL,
 				    &ignore_errno) &&
 	    files_log_ref_write(refs, refname, &lock->old_oid,
@@ -2163,7 +2163,7 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator)
 		if (ends_with(diter->basename, ".lock"))
 			continue;
 
-		if (!refs_werrres_ref_unsafe(iter->ref_store,
+		if (!refs_resolve_ref_unsafe(iter->ref_store,
 					     diter->relative_path, 0,
 					     &iter->oid, &flags,
 					     &ignore_errno)) {
@@ -2511,7 +2511,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
 			 * to record and possibly check old_oid:
 			 */
 			int ignore_errno;
-			if (!refs_werrres_ref_unsafe(&refs->base,
+			if (!refs_resolve_ref_unsafe(&refs->base,
 						     referent.buf, 0,
 						     &lock->old_oid, NULL,
 						     &ignore_errno)) {
@@ -3209,7 +3209,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
 			int type;
 			const char *ref;
 
-			ref = refs_werrres_ref_unsafe(&refs->base, refname,
+			ref = refs_resolve_ref_unsafe(&refs->base, refname,
 						      RESOLVE_REF_NO_RECURSE,
 						      NULL, &type,
 						      &ignore_errno);

sequencer.c

@@ -1334,7 +1334,7 @@ void print_commit_summary(struct repository *r,
 	diff_setup_done(&rev.diffopt);
 
 	refs = get_main_ref_store(the_repository);
-	head = refs_werrres_ref_unsafe(refs, "HEAD", 0, NULL, NULL,
+	head = refs_resolve_ref_unsafe(refs, "HEAD", 0, NULL, NULL,
 				       &resolve_errno);
 	if (!head) {
 		errno = resolve_errno;

t/helper/test-ref-store.c

@@ -125,7 +125,7 @@ static int cmd_resolve_ref(struct ref_store *refs, const char **argv)
 	const char *ref;
 	int ignore_errno;
 
-	ref = refs_werrres_ref_unsafe(refs, refname, resolve_flags,
+	ref = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
 				      &oid, &flags, &ignore_errno);
 	printf("%s %s 0x%x\n", oid_to_hex(&oid), ref ? ref : "(null)", flags);
 	return ref ? 0 : 1;

worktree.c

@@ -30,7 +30,7 @@ static void add_head_info(struct worktree *wt)
 	const char *target;
 	int ignore_errno;
 
-	target = refs_werrres_ref_unsafe(get_worktree_ref_store(wt),
+	target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt),
 					 "HEAD",
 					 0,
 					 &wt->head_oid, &flags,
@@ -437,7 +437,7 @@ const struct worktree *find_shared_symref(const char *symref,
 		}
 
 		refs = get_worktree_ref_store(wt);
-		symref_target = refs_werrres_ref_unsafe(refs, symref, 0,
+		symref_target = refs_resolve_ref_unsafe(refs, symref, 0,
 							NULL, &flags,
 							&ignore_errno);
 		if ((flags & REF_ISSYMREF) &&
@@ -574,7 +574,7 @@ int other_head_refs(each_ref_fn fn, void *cb_data)
 
 		strbuf_reset(&refname);
 		strbuf_worktree_ref(wt, &refname, "HEAD");
-		if (refs_werrres_ref_unsafe(get_main_ref_store(the_repository),
+		if (refs_resolve_ref_unsafe(get_main_ref_store(the_repository),
 					    refname.buf,
 					    RESOLVE_REF_READING,
 					    &oid, &flag, &ignore_errno))