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authorJunio C Hamano <junkio@cox.net>2006-09-27 08:09:18 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-09-27 08:42:44 (GMT)
commit4431fcc4b134ae501e3e57dc568ae4f031e57898 (patch)
tree572af9e0e6b4e387af2c71e60c94953350d28826
parente9800b28c24465377dc2b8e26b322d362912647c (diff)
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Clean-up lock-ref implementation
This drops "mustexist" parameter lock_ref_sha1() and lock_any_ref_forupdate() functions take. Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--builtin-pack-refs.c2
-rw-r--r--builtin-update-ref.c2
-rw-r--r--fetch.c2
-rw-r--r--refs.c13
-rw-r--r--refs.h4
5 files changed, 11 insertions, 12 deletions
diff --git a/builtin-pack-refs.c b/builtin-pack-refs.c
index db57fee..4093973 100644
--- a/builtin-pack-refs.c
+++ b/builtin-pack-refs.c
@@ -53,7 +53,7 @@ static int handle_one_ref(const char *path, const unsigned char *sha1,
/* make sure nobody touched the ref, and unlink */
static void prune_ref(struct ref_to_prune *r)
{
- struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1, 1);
+ struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1);
if (lock) {
unlink(git_path("%s", r->name));
diff --git a/builtin-update-ref.c b/builtin-update-ref.c
index 90a3da5..ab52833 100644
--- a/builtin-update-ref.c
+++ b/builtin-update-ref.c
@@ -48,7 +48,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
if (oldval && get_sha1(oldval, oldsha1))
die("%s: not a valid old SHA1", oldval);
- lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL, 0);
+ lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL);
if (!lock)
return 1;
if (write_ref_sha1(lock, sha1, msg) < 0)
diff --git a/fetch.c b/fetch.c
index a2cbdfb..c426c04 100644
--- a/fetch.c
+++ b/fetch.c
@@ -266,7 +266,7 @@ int pull(int targets, char **target, const char **write_ref,
if (!write_ref || !write_ref[i])
continue;
- lock[i] = lock_ref_sha1(write_ref[i], NULL, 0);
+ lock[i] = lock_ref_sha1(write_ref[i], NULL);
if (!lock[i]) {
error("Can't lock ref %s", write_ref[i]);
goto unlock_and_fail;
diff --git a/refs.c b/refs.c
index 2cef2b4..9a1bc0d 100644
--- a/refs.c
+++ b/refs.c
@@ -447,12 +447,13 @@ static struct ref_lock *verify_lock(struct ref_lock *lock,
return lock;
}
-static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1, int mustexist)
+static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1)
{
char *ref_file;
const char *orig_ref = ref;
struct ref_lock *lock;
struct stat st;
+ int mustexist = (old_sha1 && !is_null_sha1(old_sha1));
lock = xcalloc(1, sizeof(struct ref_lock));
lock->lock_fd = -1;
@@ -480,20 +481,18 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
return old_sha1 ? verify_lock(lock, old_sha1, mustexist) : lock;
}
-struct ref_lock *lock_ref_sha1(const char *ref,
- const unsigned char *old_sha1, int mustexist)
+struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1)
{
char refpath[PATH_MAX];
if (check_ref_format(ref))
return NULL;
strcpy(refpath, mkpath("refs/%s", ref));
- return lock_ref_sha1_basic(refpath, old_sha1, mustexist);
+ return lock_ref_sha1_basic(refpath, old_sha1);
}
-struct ref_lock *lock_any_ref_for_update(const char *ref,
- const unsigned char *old_sha1, int mustexist)
+struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1)
{
- return lock_ref_sha1_basic(ref, old_sha1, mustexist);
+ return lock_ref_sha1_basic(ref, old_sha1);
}
void unlock_ref(struct ref_lock *lock)
diff --git a/refs.h b/refs.h
index 305d408..0d4d79e 100644
--- a/refs.h
+++ b/refs.h
@@ -27,10 +27,10 @@ extern int for_each_remote_ref(each_ref_fn, void *);
extern int get_ref_sha1(const char *ref, unsigned char *sha1);
/** Locks a "refs/" ref returning the lock on success and NULL on failure. **/
-extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1, int mustexist);
+extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
/** Locks any ref (for 'HEAD' type refs). */
-extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int mustexist);
+extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1);
/** Release any lock taken but not written. **/
extern void unlock_ref(struct ref_lock *lock);