Merge branch 'jc/maint-remove-renamed-ref' into maint

* jc/maint-remove-renamed-ref:
  branch -m/-M: remove undocumented RENAMED-REF

Conflicts:
	refs.c

diff --cc refs.c
index a615043b34cd6d0507d8a30f7bd69445ec9f2456,ecfc22c3602cc57fbc5756c23fe28198017d6419..fb258ea9928ee22ca22ff9a4862993dace92dff9
--- 1/refs.c
--- 2/refs.c
+++ b/refs.c
@@@ -1200,53 -784,35 +1200,45 @@@ int delete_ref(const char *refname, con
        return ret;
  }
  
 -int rename_ref(const char *oldref, const char *newref)
 +/*
 + * People using contrib's git-new-workdir have .git/logs/refs ->
 + * /some/other/path/.git/logs/refs, and that may live on another device.
 + *
 + * IOW, to avoid cross device rename errors, the temporary renamed log must
 + * live into logs/refs.
 + */
 +#define TMP_RENAMED_LOG  "logs/refs/.tmp-renamed-log"
 +
 +int rename_ref(const char *oldref, const char *newref, const char *logmsg)
  {
-       static const char renamed_ref[] = "RENAMED-REF";
        unsigned char sha1[20], orig_sha1[20];
        int flag = 0, logmoved = 0;
        struct ref_lock *lock;
 -      char msg[PATH_MAX*2 + 100];
        struct stat loginfo;
 -      int log = !stat(git_path("logs/%s", oldref), &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))
 +      if (!is_refname_available(newref, oldref, get_packed_refs(NULL), 0))
                return 1;
  
 -      if (!is_refname_available(newref, oldref, get_loose_refs(), 0))
 +      if (!is_refname_available(newref, oldref, get_loose_refs(NULL), 0))
                return 1;
  
-       lock = lock_ref_sha1_basic(renamed_ref, NULL, 0, NULL);
-       if (!lock)
-               return error("unable to lock %s", renamed_ref);
-       lock->force_write = 1;
-       if (write_ref_sha1(lock, orig_sha1, logmsg))
-               return error("unable to save current sha1 in %s", renamed_ref);
 -      if (snprintf(msg, sizeof(msg), "renamed %s to %s", oldref, newref) > sizeof(msg))
 -              return error("Refnames to long");
--
 -      if (log && rename(git_path("logs/%s", oldref), git_path("tmp-renamed-log")))
 -              return error("unable to move logfile logs/%s to tmp-renamed-log: %s",
 +      if (log && rename(git_path("logs/%s", oldref), git_path(TMP_RENAMED_LOG)))
 +              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;
        }