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-rwxr-xr-xt/t6030-bisect-porcelain.sh215
1 files changed, 210 insertions, 5 deletions
diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index b5063b6fe6..064f5cefeb 100755
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -126,6 +126,18 @@ test_expect_success 'bisect reset removes packed refs' '
test -z "$(git for-each-ref "refs/heads/bisect")"
'
+test_expect_success 'bisect reset removes bisect state after --no-checkout' '
+ git bisect reset &&
+ git bisect start --no-checkout &&
+ git bisect good $HASH1 &&
+ git bisect bad $HASH3 &&
+ git bisect next &&
+ git bisect reset &&
+ test -z "$(git for-each-ref "refs/bisect/*")" &&
+ test -z "$(git for-each-ref "refs/heads/bisect")" &&
+ test -z "$(git for-each-ref "BISECT_HEAD")"
+'
+
test_expect_success 'bisect start: back in good branch' '
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
@@ -138,15 +150,23 @@ test_expect_success 'bisect start: back in good branch' '
grep "* other" branch.output > /dev/null
'
-test_expect_success 'bisect start: no ".git/BISECT_START" if junk rev' '
- git bisect start $HASH4 $HASH1 -- &&
- git bisect good &&
+test_expect_success 'bisect start: no ".git/BISECT_START" created if junk rev' '
+ git bisect reset &&
test_must_fail git bisect start $HASH4 foo -- &&
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
test_must_fail test -e .git/BISECT_START
'
+test_expect_success 'bisect start: existing ".git/BISECT_START" not modified if junk rev' '
+ git bisect start $HASH4 $HASH1 -- &&
+ git bisect good &&
+ cp .git/BISECT_START saved &&
+ test_must_fail git bisect start $HASH4 foo -- &&
+ git branch > branch.output &&
+ test_i18ngrep "* (no branch, bisect started on other)" branch.output > /dev/null &&
+ test_cmp saved .git/BISECT_START
+'
test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
git bisect start $HASH4 $HASH1 -- &&
git bisect good &&
@@ -170,7 +190,7 @@ test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
# $HASH1 is good, $HASH4 is bad, we skip $HASH3
# but $HASH2 is bad,
# so we should find $HASH2 as the first bad commit
-test_expect_success 'bisect skip: successfull result' '
+test_expect_success 'bisect skip: successful result' '
git bisect reset &&
git bisect start $HASH4 $HASH1 &&
git bisect skip &&
@@ -460,7 +480,7 @@ test_expect_success 'many merge bases creation' '
git merge -m "merge HASH7 and SIDE_HASH7" "$HASH7" &&
B_HASH=$(git rev-parse --verify HEAD) &&
git merge-base --all "$A_HASH" "$B_HASH" > merge_bases.txt &&
- test $(wc -l < merge_bases.txt) = "2" &&
+ test_line_count = 2 merge_bases.txt &&
grep "$HASH5" merge_bases.txt &&
grep "$SIDE_HASH5" merge_bases.txt
'
@@ -572,6 +592,191 @@ test_expect_success 'erroring out when using bad path parameters' '
grep "bad path parameters" error.txt
'
+test_expect_success 'test bisection on bare repo - --no-checkout specified' '
+ git clone --bare . bare.nocheckout &&
+ (
+ cd bare.nocheckout &&
+ git bisect start --no-checkout &&
+ git bisect good $HASH1 &&
+ git bisect bad $HASH4 &&
+ git bisect run eval \
+ "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \
+ >../nocheckout.log &&
+ git bisect reset
+ ) &&
+ grep "$HASH3 is the first bad commit" nocheckout.log
+'
+
+
+test_expect_success 'test bisection on bare repo - --no-checkout defaulted' '
+ git clone --bare . bare.defaulted &&
+ (
+ cd bare.defaulted &&
+ git bisect start &&
+ git bisect good $HASH1 &&
+ git bisect bad $HASH4 &&
+ git bisect run eval \
+ "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \
+ >../defaulted.log &&
+ git bisect reset
+ ) &&
+ grep "$HASH3 is the first bad commit" defaulted.log
+'
+
+#
+# This creates a broken branch which cannot be checked out because
+# the tree created has been deleted.
+#
+# H1-H2-H3-H4-H5-H6-H7 <--other
+# \
+# S5-S6'-S7'-S8'-S9 <--broken
#
+# Commits marked with ' have a missing tree.
#
+test_expect_success 'broken branch creation' '
+ git bisect reset &&
+ git checkout -b broken $HASH4 &&
+ git tag BROKEN_HASH4 $HASH4 &&
+ add_line_into_file "5(broken): first line on a broken branch" hello2 &&
+ git tag BROKEN_HASH5 &&
+ mkdir missing &&
+ :> missing/MISSING &&
+ git add missing/MISSING &&
+ git commit -m "6(broken): Added file that will be deleted"
+ git tag BROKEN_HASH6 &&
+ add_line_into_file "7(broken): second line on a broken branch" hello2 &&
+ git tag BROKEN_HASH7 &&
+ add_line_into_file "8(broken): third line on a broken branch" hello2 &&
+ git tag BROKEN_HASH8 &&
+ git rm missing/MISSING &&
+ git commit -m "9(broken): Remove missing file"
+ git tag BROKEN_HASH9 &&
+ rm .git/objects/39/f7e61a724187ab767d2e08442d9b6b9dab587d
+'
+
+echo "" > expected.ok
+cat > expected.missing-tree.default <<EOF
+fatal: unable to read tree 39f7e61a724187ab767d2e08442d9b6b9dab587d
+EOF
+
+test_expect_success 'bisect fails if tree is broken on start commit' '
+ git bisect reset &&
+ test_must_fail git bisect start BROKEN_HASH7 BROKEN_HASH4 2>error.txt &&
+ test_cmp expected.missing-tree.default error.txt
+'
+
+test_expect_success 'bisect fails if tree is broken on trial commit' '
+ git bisect reset &&
+ test_must_fail git bisect start BROKEN_HASH9 BROKEN_HASH4 2>error.txt &&
+ git reset --hard broken &&
+ git checkout broken &&
+ test_cmp expected.missing-tree.default error.txt
+'
+
+check_same()
+{
+ echo "Checking $1 is the same as $2" &&
+ test_cmp_rev "$1" "$2"
+}
+
+test_expect_success 'bisect: --no-checkout - start commit bad' '
+ git bisect reset &&
+ git bisect start BROKEN_HASH7 BROKEN_HASH4 --no-checkout &&
+ check_same BROKEN_HASH6 BISECT_HEAD &&
+ git bisect reset
+'
+
+test_expect_success 'bisect: --no-checkout - trial commit bad' '
+ git bisect reset &&
+ git bisect start broken BROKEN_HASH4 --no-checkout &&
+ check_same BROKEN_HASH6 BISECT_HEAD &&
+ git bisect reset
+'
+
+test_expect_success 'bisect: --no-checkout - target before breakage' '
+ git bisect reset &&
+ git bisect start broken BROKEN_HASH4 --no-checkout &&
+ check_same BROKEN_HASH6 BISECT_HEAD &&
+ git bisect bad BISECT_HEAD &&
+ check_same BROKEN_HASH5 BISECT_HEAD &&
+ git bisect bad BISECT_HEAD &&
+ check_same BROKEN_HASH5 bisect/bad &&
+ git bisect reset
+'
+
+test_expect_success 'bisect: --no-checkout - target in breakage' '
+ git bisect reset &&
+ git bisect start broken BROKEN_HASH4 --no-checkout &&
+ check_same BROKEN_HASH6 BISECT_HEAD &&
+ git bisect bad BISECT_HEAD &&
+ check_same BROKEN_HASH5 BISECT_HEAD &&
+ git bisect good BISECT_HEAD &&
+ check_same BROKEN_HASH6 bisect/bad &&
+ git bisect reset
+'
+
+test_expect_success 'bisect: --no-checkout - target after breakage' '
+ git bisect reset &&
+ git bisect start broken BROKEN_HASH4 --no-checkout &&
+ check_same BROKEN_HASH6 BISECT_HEAD &&
+ git bisect good BISECT_HEAD &&
+ check_same BROKEN_HASH8 BISECT_HEAD &&
+ git bisect good BISECT_HEAD &&
+ check_same BROKEN_HASH9 bisect/bad &&
+ git bisect reset
+'
+
+test_expect_success 'bisect: demonstrate identification of damage boundary' "
+ git bisect reset &&
+ git checkout broken &&
+ git bisect start broken master --no-checkout &&
+ git bisect run \"\$SHELL_PATH\" -c '
+ GOOD=\$(git for-each-ref \"--format=%(objectname)\" refs/bisect/good-*) &&
+ git rev-list --objects BISECT_HEAD --not \$GOOD >tmp.\$\$ &&
+ git pack-objects --stdout >/dev/null < tmp.\$\$
+ rc=\$?
+ rm -f tmp.\$\$
+ test \$rc = 0' &&
+ check_same BROKEN_HASH6 bisect/bad &&
+ git bisect reset
+"
+
+cat > expected.bisect-log <<EOF
+# bad: [32a594a3fdac2d57cf6d02987e30eec68511498c] Add <4: Ciao for now> into <hello>.
+# good: [7b7f204a749c3125d5224ed61ea2ae1187ad046f] Add <2: A new day for git> into <hello>.
+git bisect start '32a594a3fdac2d57cf6d02987e30eec68511498c' '7b7f204a749c3125d5224ed61ea2ae1187ad046f'
+# good: [3de952f2416b6084f557ec417709eac740c6818c] Add <3: Another new day for git> into <hello>.
+git bisect good 3de952f2416b6084f557ec417709eac740c6818c
+# first bad commit: [32a594a3fdac2d57cf6d02987e30eec68511498c] Add <4: Ciao for now> into <hello>.
+EOF
+
+test_expect_success 'bisect log: successfull result' '
+ git bisect reset &&
+ git bisect start $HASH4 $HASH2 &&
+ git bisect good &&
+ git bisect log >bisect-log.txt &&
+ test_cmp expected.bisect-log bisect-log.txt &&
+ git bisect reset
+'
+
+cat > expected.bisect-skip-log <<EOF
+# bad: [32a594a3fdac2d57cf6d02987e30eec68511498c] Add <4: Ciao for now> into <hello>.
+# good: [7b7f204a749c3125d5224ed61ea2ae1187ad046f] Add <2: A new day for git> into <hello>.
+git bisect start '32a594a3fdac2d57cf6d02987e30eec68511498c' '7b7f204a749c3125d5224ed61ea2ae1187ad046f'
+# skip: [3de952f2416b6084f557ec417709eac740c6818c] Add <3: Another new day for git> into <hello>.
+git bisect skip 3de952f2416b6084f557ec417709eac740c6818c
+# only skipped commits left to test
+# possible first bad commit: [32a594a3fdac2d57cf6d02987e30eec68511498c] Add <4: Ciao for now> into <hello>.
+# possible first bad commit: [3de952f2416b6084f557ec417709eac740c6818c] Add <3: Another new day for git> into <hello>.
+EOF
+
+test_expect_success 'bisect log: only skip commits left' '
+ git bisect reset &&
+ git bisect start $HASH4 $HASH2 &&
+ test_must_fail git bisect skip &&
+ git bisect log >bisect-skip-log.txt &&
+ test_cmp expected.bisect-skip-log bisect-skip-log.txt &&
+ git bisect reset
+'
+
test_done