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branch -d: simplify by using RESOLVE_REF_READING

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When "git branch -d" reads the branch it is about to delete, it used
to avoid passing the RESOLVE_REF_READING ('treat missing ref as
error') flag because a symref pointing to a nonexistent ref would show
up as missing instead of as something that could be deleted.  To check
if a ref is actually missing, we then check

 - is it a symref?
 - if not, did it resolve to null_sha1?

Now we pass RESOLVE_REF_NO_RECURSE and the correct information is
returned for a symref even when it points to a missing ref.  Simplify
by relying on RESOLVE_REF_READING.

No functional change intended.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ronnie Sahlberg
2014-09-11 10:34:36 -07:00
committed by Junio C Hamano
parent 62a2d52514
commit 18f29fc61e
1 changed files with 4 additions and 3 deletions
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7
builtin/branch.c
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@ -236,10 +236,11 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
free(name);
name = mkpathdup(fmt, bname.buf);
target = resolve_ref_unsafe(name, RESOLVE_REF_NO_RECURSE,
target = resolve_ref_unsafe(name,
RESOLVE_REF_READING
| RESOLVE_REF_NO_RECURSE,
sha1, &flags);
if (!target ||
(!(flags & REF_ISSYMREF) && is_null_sha1(sha1))) {
if (!target) {
error(remote_branch
? _("remote branch '%s' not found.")
: _("branch '%s' not found."), bname.buf);