refs: convert delete_ref and refs_delete_ref to struct object_id

Convert delete_ref and refs_delete_ref to take a pointer to struct object_id. Update the documentation accordingly, including referring to null_oid in lowercase, as it is not a #define constant. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

brian m. carlson committed Oct 15, 2017 at 22:06 UTC 2616a5e5089814188a583572bd9bf578b18a2a40
9 files changed +26 -25
builtin/branch.c
+1 -1
@@ -257,7 +257,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
257 goto next;
258 }
259
260 - if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : oid.hash,
260 + if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : &oid,
261 REF_NODEREF)) {
262 error(remote_branch
263 ? _("Error deleting remote-tracking branch '%s'")
builtin/replace.c
+1 -1
@@ -128,7 +128,7 @@ static int for_each_replace_name(const char **argv, each_replace_name_fn fn)
128 static int delete_replace_ref(const char *name, const char *ref,
129 const struct object_id *oid)
130 {
131 - if (delete_ref(NULL, ref, oid->hash, 0))
131 + if (delete_ref(NULL, ref, oid, 0))
132 return 1;
133 printf("Deleted replace ref '%s'\n", name);
134 return 0;
builtin/reset.c
+1 -1
@@ -269,7 +269,7 @@ static int reset_refs(const char *rev, const struct object_id *oid)
269 update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
270 UPDATE_REFS_MSG_ON_ERR);
271 } else if (old_orig)
272 - delete_ref(NULL, "ORIG_HEAD", old_orig->hash, 0);
272 + delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
273 set_reflog_message(&msg, "updating HEAD", rev);
274 update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0,
275 UPDATE_REFS_MSG_ON_ERR);
builtin/tag.c
+1 -1
@@ -97,7 +97,7 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
97 static int delete_tag(const char *name, const char *ref,
98 const struct object_id *oid, const void *cb_data)
99 {
100 - if (delete_ref(NULL, ref, oid->hash, 0))
100 + if (delete_ref(NULL, ref, oid, 0))
101 return 1;
102 printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(oid->hash, DEFAULT_ABBREV));
103 return 0;
builtin/update-ref.c
+1 -1
@@ -434,7 +434,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
434 * NULL_SHA1 as "don't care" here:
435 */
436 return delete_ref(msg, refname,
437 - (oldval && !is_null_oid(&oldoid)) ? oldoid.hash : NULL,
437 + (oldval && !is_null_oid(&oldoid)) ? &oldoid : NULL,
438 flags);
439 else
440 return update_ref(msg, refname, oid.hash, oldval ? oldoid.hash : NULL,
refs.c
+11 -10
@@ -620,25 +620,25 @@ done:
620 return ret;
621 }
622
623 -static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1)
623 +static int delete_pseudoref(const char *pseudoref, const struct object_id *old_oid)
624 {
625 static struct lock_file lock;
626 const char *filename;
627
628 filename = git_path("%s", pseudoref);
629
630 - if (old_sha1 && !is_null_sha1(old_sha1)) {
630 + if (old_oid && !is_null_oid(old_oid)) {
631 int fd;
632 - unsigned char actual_old_sha1[20];
632 + struct object_id actual_old_oid;
633
634 fd = hold_lock_file_for_update_timeout(
635 &lock, filename, LOCK_DIE_ON_ERROR,
636 get_files_ref_lock_timeout_ms());
637 if (fd < 0)
638 die_errno(_("Could not open '%s' for writing"), filename);
639 - if (read_ref(pseudoref, actual_old_sha1))
639 + if (read_ref(pseudoref, actual_old_oid.hash))
640 die("could not read ref '%s'", pseudoref);
641 - if (hashcmp(actual_old_sha1, old_sha1)) {
641 + if (oidcmp(&actual_old_oid, old_oid)) {
642 warning("Unexpected sha1 when deleting %s", pseudoref);
643 rollback_lock_file(&lock);
644 return -1;
@@ -655,7 +655,7 @@ static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1
655
656 int refs_delete_ref(struct ref_store *refs, const char *msg,
657 const char *refname,
658 - const unsigned char *old_sha1,
658 + const struct object_id *old_oid,
659 unsigned int flags)
660 {
661 struct ref_transaction *transaction;
@@ -663,12 +663,13 @@ int refs_delete_ref(struct ref_store *refs, const char *msg,
663
664 if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
665 assert(refs == get_main_ref_store());
666 - return delete_pseudoref(refname, old_sha1);
666 + return delete_pseudoref(refname, old_oid);
667 }
668
669 transaction = ref_store_transaction_begin(refs, &err);
670 if (!transaction ||
671 - ref_transaction_delete(transaction, refname, old_sha1,
671 + ref_transaction_delete(transaction, refname,
672 + old_oid ? old_oid->hash : NULL,
673 flags, msg, &err) ||
674 ref_transaction_commit(transaction, &err)) {
675 error("%s", err.buf);
@@ -682,10 +683,10 @@ int refs_delete_ref(struct ref_store *refs, const char *msg,
683 }
684
685 int delete_ref(const char *msg, const char *refname,
685 - const unsigned char *old_sha1, unsigned int flags)
686 + const struct object_id *old_oid, unsigned int flags)
687 {
688 return refs_delete_ref(get_main_ref_store(), msg, refname,
688 - old_sha1, flags);
689 + old_oid, flags);
690 }
691
692 int copy_reflog_msg(char *buf, const char *msg)
refs.h
+6 -6
@@ -371,19 +371,19 @@ int refs_reflog_exists(struct ref_store *refs, const char *refname);
371 int reflog_exists(const char *refname);
372
373 /*
374 - * Delete the specified reference. If old_sha1 is non-NULL, then
374 + * Delete the specified reference. If old_oid is non-NULL, then
375 * verify that the current value of the reference is old_sha1 before
376 - * deleting it. If old_sha1 is NULL, delete the reference if it
377 - * exists, regardless of its old value. It is an error for old_sha1 to
378 - * be NULL_SHA1. msg and flags are passed through to
376 + * deleting it. If old_oid is NULL, delete the reference if it
377 + * exists, regardless of its old value. It is an error for old_oid to
378 + * be null_oid. msg and flags are passed through to
379 * ref_transaction_delete().
380 */
381 int refs_delete_ref(struct ref_store *refs, const char *msg,
382 const char *refname,
383 - const unsigned char *old_sha1,
383 + const struct object_id *old_oid,
384 unsigned int flags);
385 int delete_ref(const char *msg, const char *refname,
386 - const unsigned char *old_sha1, unsigned int flags);
386 + const struct object_id *old_oid, unsigned int flags);
387
388 /*
389 * Delete the specified references. If there are any problems, emit
refs/files-backend.c
+1 -1
@@ -1283,7 +1283,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
1283 }
1284
1285 if (!copy && refs_delete_ref(&refs->base, logmsg, oldrefname,
1286 - orig_oid.hash, REF_NODEREF)) {
1286 + &orig_oid, REF_NODEREF)) {
1287 error("unable to delete old %s", oldrefname);
1288 goto rollback;
1289 }
t/helper/test-ref-store.c
+3 -3
@@ -218,12 +218,12 @@ static int cmd_delete_ref(struct ref_store *refs, const char **argv)
218 const char *refname = notnull(*argv++, "refname");
219 const char *sha1_buf = notnull(*argv++, "old-sha1");
220 unsigned int flags = arg_flags(*argv++, "flags");
221 - unsigned char old_sha1[20];
221 + struct object_id old_oid;
222
223 - if (get_sha1_hex(sha1_buf, old_sha1))
223 + if (get_oid_hex(sha1_buf, &old_oid))
224 die("not sha-1");
225
226 - return refs_delete_ref(refs, msg, refname, old_sha1, flags);
226 + return refs_delete_ref(refs, msg, refname, &old_oid, flags);
227 }
228
229 static int cmd_update_ref(struct ref_store *refs, const char **argv)