use struct sha1_array in diff_tree_combined()

diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 566a15ed8a6261d02fa186368d85d3bc0249d5c9..2c4c1c851dcbb1cd38edc2a2620e2b04e36f7192 100755 (executable)
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -2,6 +2,7 @@
 
 test_description='Test cherry-pick continuation features
 
+  + yetanotherpick: rewrites foo to e
   + anotherpick: rewrites foo to d
   + picked: rewrites foo to c
   + unrelatedpick: rewrites unrelated to reallyunrelated
@@ -13,12 +14,18 @@ test_description='Test cherry-pick continuation features
 . ./test-lib.sh
 
 pristine_detach () {
-       git cherry-pick --reset &&
+       git cherry-pick --quit &&
        git checkout -f "$1^0" &&
        git read-tree -u --reset HEAD &&
        git clean -d -f -f -q -x
 }
 
+test_cmp_rev () {
+       git rev-parse --verify "$1" >expect.rev &&
+       git rev-parse --verify "$2" >actual.rev &&
+       test_cmp expect.rev actual.rev
+}
+
 test_expect_success setup '
        echo unrelated >unrelated &&
        git add unrelated &&
@@ -27,6 +34,7 @@ test_expect_success setup '
        test_commit unrelatedpick unrelated reallyunrelated &&
        test_commit picked foo c &&
        test_commit anotherpick foo d &&
+       test_commit yetanotherpick foo e &&
        git config advice.detachedhead false
 
 '
@@ -70,18 +78,117 @@ test_expect_success 'cherry-pick cleans up sequencer state upon success' '
        test_path_is_missing .git/sequencer
 '
 
-test_expect_success '--reset does not complain when no cherry-pick is in progress' '
+test_expect_success '--quit does not complain when no cherry-pick is in progress' '
        pristine_detach initial &&
-       git cherry-pick --reset
+       git cherry-pick --quit
 '
 
-test_expect_success '--reset cleans up sequencer state' '
+test_expect_success '--abort requires cherry-pick in progress' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick --abort
+'
+
+test_expect_success '--quit cleans up sequencer state' '
        pristine_detach initial &&
        test_must_fail git cherry-pick base..picked &&
-       git cherry-pick --reset &&
+       git cherry-pick --quit &&
        test_path_is_missing .git/sequencer
 '
 
+test_expect_success '--quit keeps HEAD and conflicted index intact' '
+       pristine_detach initial &&
+       cat >expect <<-\EOF &&
+       OBJID
+       :100644 100644 OBJID OBJID M    unrelated
+       OBJID
+       :000000 100644 OBJID OBJID A    foo
+       :000000 100644 OBJID OBJID A    unrelated
+       EOF
+       test_must_fail git cherry-pick base..picked &&
+       git cherry-pick --quit &&
+       test_path_is_missing .git/sequencer &&
+       test_must_fail git update-index --refresh &&
+       {
+               git rev-list HEAD |
+               git diff-tree --root --stdin |
+               sed "s/$_x40/OBJID/g"
+       } >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success '--abort to cancel multiple cherry-pick' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       git cherry-pick --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev initial HEAD &&
+       git update-index --refresh &&
+       git diff-index --exit-code HEAD
+'
+
+test_expect_success '--abort to cancel single cherry-pick' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick picked &&
+       git cherry-pick --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev initial HEAD &&
+       git update-index --refresh &&
+       git diff-index --exit-code HEAD
+'
+
+test_expect_success 'cherry-pick --abort to cancel multiple revert' '
+       pristine_detach anotherpick &&
+       test_must_fail git revert base..picked &&
+       git cherry-pick --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev anotherpick HEAD &&
+       git update-index --refresh &&
+       git diff-index --exit-code HEAD
+'
+
+test_expect_success 'revert --abort works, too' '
+       pristine_detach anotherpick &&
+       test_must_fail git revert base..picked &&
+       git revert --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev anotherpick HEAD
+'
+
+test_expect_success '--abort to cancel single revert' '
+       pristine_detach anotherpick &&
+       test_must_fail git revert picked &&
+       git revert --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev anotherpick HEAD &&
+       git update-index --refresh &&
+       git diff-index --exit-code HEAD
+'
+
+test_expect_success '--abort keeps unrelated change, easy case' '
+       pristine_detach unrelatedpick &&
+       echo changed >expect &&
+       test_must_fail git cherry-pick picked..yetanotherpick &&
+       echo changed >unrelated &&
+       git cherry-pick --abort &&
+       test_cmp expect unrelated
+'
+
+test_expect_success '--abort refuses to clobber unrelated change, harder case' '
+       pristine_detach initial &&
+       echo changed >expect &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       echo changed >unrelated &&
+       test_must_fail git cherry-pick --abort &&
+       test_cmp expect unrelated &&
+       git rev-list HEAD >log &&
+       test_line_count = 2 log &&
+       test_must_fail git update-index --refresh &&
+
+       git checkout unrelated &&
+       git cherry-pick --abort &&
+       test_cmp_rev initial HEAD
+'
+
 test_expect_success 'cherry-pick cleans up sequencer state when one commit is left' '
        pristine_detach initial &&
        test_must_fail git cherry-pick base..picked &&
@@ -106,6 +213,16 @@ test_expect_success 'cherry-pick cleans up sequencer state when one commit is le
        test_cmp expect actual
 '
 
+test_expect_failure '--abort after last commit in sequence' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..picked &&
+       git cherry-pick --abort &&
+       test_path_is_missing .git/sequencer &&
+       test_cmp_rev initial HEAD &&
+       git update-index --refresh &&
+       git diff-index --exit-code HEAD
+'
+
 test_expect_success 'cherry-pick does not implicitly stomp an existing operation' '
        pristine_detach initial &&
        test_must_fail git cherry-pick base..anotherpick &&
@@ -115,4 +232,100 @@ test_expect_success 'cherry-pick does not implicitly stomp an existing operation
        test_cmp expect actual
 '
 
+test_expect_success '--continue complains when no cherry-pick is in progress' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick --continue
+'
+
+test_expect_success '--continue complains when there are unresolved conflicts' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       test_must_fail git cherry-pick --continue
+'
+
+test_expect_success '--continue continues after conflicts are resolved' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       echo "c" >foo &&
+       git add foo &&
+       git commit &&
+       git cherry-pick --continue &&
+       test_path_is_missing .git/sequencer &&
+       {
+               git rev-list HEAD |
+               git diff-tree --root --stdin |
+               sed "s/$_x40/OBJID/g"
+       } >actual &&
+       cat >expect <<-\EOF &&
+       OBJID
+       :100644 100644 OBJID OBJID M    foo
+       OBJID
+       :100644 100644 OBJID OBJID M    foo
+       OBJID
+       :100644 100644 OBJID OBJID M    unrelated
+       OBJID
+       :000000 100644 OBJID OBJID A    foo
+       :000000 100644 OBJID OBJID A    unrelated
+       EOF
+       test_cmp expect actual
+'
+
+test_expect_success '--continue respects opts' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick -x base..anotherpick &&
+       echo "c" >foo &&
+       git add foo &&
+       git commit &&
+       git cherry-pick --continue &&
+       test_path_is_missing .git/sequencer &&
+       git cat-file commit HEAD >anotherpick_msg &&
+       git cat-file commit HEAD~1 >picked_msg &&
+       git cat-file commit HEAD~2 >unrelatedpick_msg &&
+       git cat-file commit HEAD~3 >initial_msg &&
+       test_must_fail grep "cherry picked from" initial_msg &&
+       grep "cherry picked from" unrelatedpick_msg &&
+       grep "cherry picked from" picked_msg &&
+       grep "cherry picked from" anotherpick_msg
+'
+
+test_expect_success '--signoff is not automatically propagated to resolved conflict' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick --signoff base..anotherpick &&
+       echo "c" >foo &&
+       git add foo &&
+       git commit &&
+       git cherry-pick --continue &&
+       test_path_is_missing .git/sequencer &&
+       git cat-file commit HEAD >anotherpick_msg &&
+       git cat-file commit HEAD~1 >picked_msg &&
+       git cat-file commit HEAD~2 >unrelatedpick_msg &&
+       git cat-file commit HEAD~3 >initial_msg &&
+       test_must_fail grep "Signed-off-by:" initial_msg &&
+       grep "Signed-off-by:" unrelatedpick_msg &&
+       test_must_fail grep "Signed-off-by:" picked_msg &&
+       grep "Signed-off-by:" anotherpick_msg
+'
+
+test_expect_success 'malformed instruction sheet 1' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       echo "resolved" >foo &&
+       git add foo &&
+       git commit &&
+       sed "s/pick /pick/" .git/sequencer/todo >new_sheet &&
+       cp new_sheet .git/sequencer/todo &&
+       test_must_fail git cherry-pick --continue
+'
+
+test_expect_success 'malformed instruction sheet 2' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       echo "resolved" >foo &&
+       git add foo &&
+       git commit &&
+       sed "s/pick/revert/" .git/sequencer/todo >new_sheet &&
+       cp new_sheet .git/sequencer/todo &&
+       test_must_fail git cherry-pick --continue
+'
+
 test_done