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refs: convert delete_ref and refs_delete_ref to struct object_id

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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>
This commit is contained in:
brian m. carlson 2017-10-15 22:06:50 +00:00 committed by Junio C Hamano
parent 49e9958869
commit 2616a5e508
9 changed files with 26 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
builtin/branch.c
View File

@ -257,7 +257,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
goto next;
}
if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : oid.hash,
if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : &oid,
REF_NODEREF)) {
error(remote_branch
? _("Error deleting remote-tracking branch '%s'")

2
builtin/replace.c
View File

@ -128,7 +128,7 @@ static int for_each_replace_name(const char **argv, each_replace_name_fn fn)
static int delete_replace_ref(const char *name, const char *ref,
const struct object_id *oid)
{
if (delete_ref(NULL, ref, oid->hash, 0))
if (delete_ref(NULL, ref, oid, 0))
return 1;
printf("Deleted replace ref '%s'\n", name);
return 0;

2
builtin/reset.c
View File

@ -269,7 +269,7 @@ static int reset_refs(const char *rev, const struct object_id *oid)
update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
UPDATE_REFS_MSG_ON_ERR);
} else if (old_orig)
delete_ref(NULL, "ORIG_HEAD", old_orig->hash, 0);
delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
set_reflog_message(&msg, "updating HEAD", rev);
update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0,
UPDATE_REFS_MSG_ON_ERR);

2
builtin/tag.c
View File

@ -97,7 +97,7 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
static int delete_tag(const char *name, const char *ref,
const struct object_id *oid, const void *cb_data)
{
if (delete_ref(NULL, ref, oid->hash, 0))
if (delete_ref(NULL, ref, oid, 0))
return 1;
printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(oid->hash, DEFAULT_ABBREV));
return 0;

2
builtin/update-ref.c
View File

@ -434,7 +434,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
* NULL_SHA1 as "don't care" here:
*/
return delete_ref(msg, refname,
(oldval && !is_null_oid(&oldoid)) ? oldoid.hash : NULL,
(oldval && !is_null_oid(&oldoid)) ? &oldoid : NULL,
flags);
else
return update_ref(msg, refname, oid.hash, oldval ? oldoid.hash : NULL,

21
refs.c
View File

@ -620,25 +620,25 @@ static int write_pseudoref(const char *pseudoref, const unsigned char *sha1,
return ret;
}
static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1)
static int delete_pseudoref(const char *pseudoref, const struct object_id *old_oid)
{
static struct lock_file lock;
const char *filename;
filename = git_path("%s", pseudoref);
if (old_sha1 && !is_null_sha1(old_sha1)) {
if (old_oid && !is_null_oid(old_oid)) {
int fd;
unsigned char actual_old_sha1[20];
struct object_id actual_old_oid;
fd = hold_lock_file_for_update_timeout(
&lock, filename, LOCK_DIE_ON_ERROR,
get_files_ref_lock_timeout_ms());
if (fd < 0)
die_errno(_("Could not open '%s' for writing"), filename);
if (read_ref(pseudoref, actual_old_sha1))
if (read_ref(pseudoref, actual_old_oid.hash))
die("could not read ref '%s'", pseudoref);
if (hashcmp(actual_old_sha1, old_sha1)) {
if (oidcmp(&actual_old_oid, old_oid)) {
warning("Unexpected sha1 when deleting %s", pseudoref);
rollback_lock_file(&lock);
return -1;
@ -655,7 +655,7 @@ static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1
int refs_delete_ref(struct ref_store *refs, const char *msg,
const char *refname,
const unsigned char *old_sha1,
const struct object_id *old_oid,
unsigned int flags)
{
struct ref_transaction *transaction;
@ -663,12 +663,13 @@ int refs_delete_ref(struct ref_store *refs, const char *msg,
if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
assert(refs == get_main_ref_store());
return delete_pseudoref(refname, old_sha1);
return delete_pseudoref(refname, old_oid);
}
transaction = ref_store_transaction_begin(refs, &err);
if (!transaction ||
ref_transaction_delete(transaction, refname, old_sha1,
ref_transaction_delete(transaction, refname,
old_oid ? old_oid->hash : NULL,
flags, msg, &err) ||
ref_transaction_commit(transaction, &err)) {
error("%s", err.buf);
@ -682,10 +683,10 @@ int refs_delete_ref(struct ref_store *refs, const char *msg,
}
int delete_ref(const char *msg, const char *refname,
const unsigned char *old_sha1, unsigned int flags)
const struct object_id *old_oid, unsigned int flags)
{
return refs_delete_ref(get_main_ref_store(), msg, refname,
old_sha1, flags);
old_oid, flags);
}
int copy_reflog_msg(char *buf, const char *msg)

12
refs.h
View File

@ -371,19 +371,19 @@ int refs_reflog_exists(struct ref_store *refs, const char *refname);
int reflog_exists(const char *refname);
/*
* Delete the specified reference. If old_sha1 is non-NULL, then
* Delete the specified reference. If old_oid is non-NULL, then
* verify that the current value of the reference is old_sha1 before
* deleting it. If old_sha1 is NULL, delete the reference if it
* exists, regardless of its old value. It is an error for old_sha1 to
* be NULL_SHA1. msg and flags are passed through to
* deleting it. If old_oid is NULL, delete the reference if it
* exists, regardless of its old value. It is an error for old_oid to
* be null_oid. msg and flags are passed through to
* ref_transaction_delete().
*/
int refs_delete_ref(struct ref_store *refs, const char *msg,
const char *refname,
const unsigned char *old_sha1,
const struct object_id *old_oid,
unsigned int flags);
int delete_ref(const char *msg, const char *refname,
const unsigned char *old_sha1, unsigned int flags);
const struct object_id *old_oid, unsigned int flags);
/*
* Delete the specified references. If there are any problems, emit

2
refs/files-backend.c
View File

@ -1283,7 +1283,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
}
if (!copy && refs_delete_ref(&refs->base, logmsg, oldrefname,
orig_oid.hash, REF_NODEREF)) {
&orig_oid, REF_NODEREF)) {
error("unable to delete old %s", oldrefname);
goto rollback;
}

6
t/helper/test-ref-store.c
View File

@ -218,12 +218,12 @@ static int cmd_delete_ref(struct ref_store *refs, const char **argv)
const char *refname = notnull(*argv++, "refname");
const char *sha1_buf = notnull(*argv++, "old-sha1");
unsigned int flags = arg_flags(*argv++, "flags");
unsigned char old_sha1[20];
struct object_id old_oid;
if (get_sha1_hex(sha1_buf, old_sha1))
if (get_oid_hex(sha1_buf, &old_oid))
die("not sha-1");
return refs_delete_ref(refs, msg, refname, old_sha1, flags);
return refs_delete_ref(refs, msg, refname, &old_oid, flags);
}
static int cmd_update_ref(struct ref_store *refs, const char **argv)