Bisect reset: remove bisect refs that may have been packed.

If refs were ever packed in the middle of bisection, the bisect
refs were not removed from the "packed-refs" file.

This patch fixes this problem by using "git update-ref -d $ref $hash"
in "bisect_clean_state".

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-bisect.sh b/git-bisect.sh
index 1ed44e56ad5021a74b2a0ec3e91849e55d4a67ce..46a7b8d54a5ccec26c322c19ec821d71af317cf4 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -351,7 +351,13 @@ bisect_reset() {
 
 bisect_clean_state() {
        rm -fr "$GIT_DIR/refs/bisect"
 
 bisect_clean_state() {
        rm -fr "$GIT_DIR/refs/bisect"

-       rm -f "$GIT_DIR/refs/heads/bisect"
+
+       # There may be some refs packed during bisection.
+       git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* refs/heads/bisect |
+       while read ref hash
+       do
+               git update-ref -d $ref $hash
+       done

        rm -f "$GIT_DIR/BISECT_LOG"
        rm -f "$GIT_DIR/BISECT_NAMES"
        rm -f "$GIT_DIR/BISECT_RUN"
        rm -f "$GIT_DIR/BISECT_LOG"
        rm -f "$GIT_DIR/BISECT_NAMES"
        rm -f "$GIT_DIR/BISECT_RUN"

diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 53956c08e2754eb68a2a8311b26e16f5ee891308..f09db6244e2696c0d7083df71a1797a4dc221901 100755 (executable)
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -71,6 +71,18 @@ test_expect_success 'bisect start with one bad and good' '
        git bisect next
 '
 
        git bisect next
 '
 

+test_expect_success 'bisect reset removes packed refs' '
+       git bisect reset &&
+       git bisect start &&
+       git bisect good $HASH1 &&
+       git bisect bad $HASH3 &&
+       git pack-refs --all --prune &&
+       git bisect next &&
+       git bisect reset &&
+       test -z "$(git for-each-ref "refs/bisect/*")" &&
+       test -z "$(git for-each-ref "refs/heads/bisect")"
+'
+

 # $HASH1 is good, $HASH4 is bad, we skip $HASH3
 # but $HASH2 is bad,
 # so we should find $HASH2 as the first bad commit
 # $HASH1 is good, $HASH4 is bad, we skip $HASH3
 # but $HASH2 is bad,
 # so we should find $HASH2 as the first bad commit