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refs: on symref reflog expire, lock symref not referrent
When locking a symbolic ref to expire a reflog, lock the symbolic ref (using REF_NODEREF) instead of its referent. Add a test for this. Signed-off-by: David Turner <dturner@twopensource.com> Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -3314,7 +3314,8 @@ int reflog_expire(const char *refname, const unsigned char *sha1,
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* reference itself, plus we might need to update the
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* reference if --updateref was specified:
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*/
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lock = lock_ref_sha1_basic(refname, sha1, NULL, NULL, 0, &type, &err);
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lock = lock_ref_sha1_basic(refname, sha1, NULL, NULL, REF_NODEREF,
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&type, &err);
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if (!lock) {
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error("cannot lock ref '%s': %s", refname, err.buf);
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strbuf_release(&err);
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@ -338,4 +338,14 @@ test_expect_failure 'reflog with non-commit entries displays all entries' '
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test_line_count = 3 actual
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'
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test_expect_success 'reflog expire operates on symref not referrent' '
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git branch -l the_symref &&
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git branch -l referrent &&
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git update-ref referrent HEAD &&
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git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
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test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
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touch .git/refs/heads/referrent.lock &&
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git reflog expire --expire=all the_symref
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'
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test_done
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