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authorJunio C Hamano <gitster@pobox.com>2008-11-08 16:07:37 -0800
committerJunio C Hamano <gitster@pobox.com>2008-11-08 16:07:37 -0800
commit3b8572a4297d8720b359c82e1dd9afeb45cda3cd (patch)
tree88163ad281fc3b0e69246ccb026cddd4bae0b367 /refs.c
parent16088d8870b7da6d4dd280be2d1728dd3be346b5 (diff)
parent045a476f91a9a308c823a2709977163238baa3fd (diff)
downloadgit-3b8572a4297d8720b359c82e1dd9afeb45cda3cd.tar.gz
git-3b8572a4297d8720b359c82e1dd9afeb45cda3cd.tar.xz
Merge branch 'mv/maint-branch-m-symref' into maint
* mv/maint-branch-m-symref: update-ref --no-deref -d: handle the case when the pointed ref is packed git branch -m: forbid renaming of a symref Fix git update-ref --no-deref -d. rename_ref(): handle the case when the reflog of a ref does not exist Fix git branch -m for symrefs.
Diffstat (limited to 'refs.c')
-rw-r--r--refs.c38
1 files changed, 25 insertions, 13 deletions
diff --git a/refs.c b/refs.c
index 9e422dccc..156714e54 100644
--- a/refs.c
+++ b/refs.c
@@ -915,25 +915,33 @@ static int repack_without_ref(const char *refname)
return commit_lock_file(&packlock);
}
-int delete_ref(const char *refname, const unsigned char *sha1)
+int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
{
struct ref_lock *lock;
- int err, i, ret = 0, flag = 0;
+ int err, i = 0, ret = 0, flag = 0;
lock = lock_ref_sha1_basic(refname, sha1, 0, &flag);
if (!lock)
return 1;
- if (!(flag & REF_ISPACKED)) {
+ if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
/* loose */
- i = strlen(lock->lk->filename) - 5; /* .lock */
- lock->lk->filename[i] = 0;
- err = unlink(lock->lk->filename);
+ const char *path;
+
+ if (!(delopt & REF_NODEREF)) {
+ i = strlen(lock->lk->filename) - 5; /* .lock */
+ lock->lk->filename[i] = 0;
+ path = lock->lk->filename;
+ } else {
+ path = git_path(refname);
+ }
+ err = unlink(path);
if (err && errno != ENOENT) {
ret = 1;
error("unlink(%s) failed: %s",
- lock->lk->filename, strerror(errno));
+ path, strerror(errno));
}
- lock->lk->filename[i] = '.';
+ if (!(delopt & REF_NODEREF))
+ lock->lk->filename[i] = '.';
}
/* removing the loose one could have resurrected an earlier
* packed one. Also, if it was not loose we need to repack
@@ -958,11 +966,16 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
struct ref_lock *lock;
struct stat loginfo;
int log = !lstat(git_path("logs/%s", oldref), &loginfo);
+ const char *symref = NULL;
- if (S_ISLNK(loginfo.st_mode))
+ if (log && S_ISLNK(loginfo.st_mode))
return error("reflog for %s is a symlink", oldref);
- if (!resolve_ref(oldref, orig_sha1, 1, &flag))
+ symref = resolve_ref(oldref, orig_sha1, 1, &flag);
+ if (flag & REF_ISSYMREF)
+ return error("refname %s is a symbolic ref, renaming it is not supported",
+ oldref);
+ if (!symref)
return error("refname %s not found", oldref);
if (!is_refname_available(newref, oldref, get_packed_refs(), 0))
@@ -982,12 +995,12 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
return error("unable to move logfile logs/%s to tmp-renamed-log: %s",
oldref, strerror(errno));
- if (delete_ref(oldref, orig_sha1)) {
+ if (delete_ref(oldref, orig_sha1, REF_NODEREF)) {
error("unable to delete old %s", oldref);
goto rollback;
}
- if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1)) {
+ if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1, REF_NODEREF)) {
if (errno==EISDIR) {
if (remove_empty_directories(git_path("%s", newref))) {
error("Directory not empty: %s", newref);
@@ -1030,7 +1043,6 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
error("unable to lock %s for update", newref);
goto rollback;
}
-
lock->force_write = 1;
hashcpy(lock->old_sha1, orig_sha1);
if (write_ref_sha1(lock, orig_sha1, logmsg)) {