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branch -m/-M: remove undocumented RENAMED-REF

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The commit message for c976d41 (git-branch: add options and tests for
branch renaming, 2006-11-28) mentions RENAME_REF but otherwise this is not
documented anywhere, and it does not appear in any of the tests.

Worse yet, the name of the actual file is "RENAMED-REF".

This was supposed to hold the commit object name at the tip of the branch
the most recent "branch -m/-M" renamed, but that is not necessary in order
to be able to recover from a mistake. Even when "branch -M A B" overwrites
an existing branch B, what is kept in RENAMED-REF is the commit at the tip
of the original branch A, not the commit B from the now-lost branch.

Just remove this unused "feature".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-10-12 09:42:26 -07:00
parent c976d415e5
commit b0eab01a48
1 changed files with 0 additions and 8 deletions
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8
refs.c
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@ -786,7 +786,6 @@ int delete_ref(const char *refname, unsigned char *sha1)
int rename_ref(const char *oldref, const char *newref)
{
static const char renamed_ref[] = "RENAMED-REF";
unsigned char sha1[20], orig_sha1[20];
int flag = 0, logmoved = 0;
struct ref_lock *lock;
@ -809,13 +808,6 @@ int rename_ref(const char *oldref, const char *newref)
if (snprintf(msg, sizeof(msg), "renamed %s to %s", oldref, newref) > sizeof(msg))
return error("Refnames to long");
lock = lock_ref_sha1_basic(renamed_ref, NULL, NULL);
if (!lock)
return error("unable to lock %s", renamed_ref);
lock->force_write = 1;
if (write_ref_sha1(lock, orig_sha1, msg))
return error("unable to save current sha1 in %s", renamed_ref);
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));