test_cmp expected actual
'
+test_expect_success 'failed revert sets REVERT_HEAD' '
+ pristine_detach initial &&
+ test_must_fail git revert picked &&
+ test_cmp_rev picked REVERT_HEAD
+'
+
+test_expect_success 'successful revert does not set REVERT_HEAD' '
+ pristine_detach base &&
+ git revert base &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
+ test_must_fail git rev-parse --verify REVERT_HEAD
+'
+
+test_expect_success 'revert --no-commit sets REVERT_HEAD' '
+ pristine_detach base &&
+ git revert --no-commit base &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
+ test_cmp_rev base REVERT_HEAD
+'
+
+test_expect_success 'revert w/dirty tree does not set REVERT_HEAD' '
+ pristine_detach base &&
+ echo foo > foo &&
+ test_must_fail git revert base &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
+ test_must_fail git rev-parse --verify REVERT_HEAD
+'
+
+test_expect_success 'GIT_CHERRY_PICK_HELP does not suppress REVERT_HEAD' '
+ pristine_detach initial &&
+ (
+ GIT_CHERRY_PICK_HELP="and then do something else" &&
+ GIT_REVERT_HELP="and then do something else, again" &&
+ export GIT_CHERRY_PICK_HELP GIT_REVERT_HELP &&
+ test_must_fail git revert picked
+ ) &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
+ test_cmp_rev picked REVERT_HEAD
+'
+
+test_expect_success 'git reset clears REVERT_HEAD' '
+ pristine_detach initial &&
+ test_must_fail git revert picked &&
+ git reset &&
+ test_must_fail git rev-parse --verify REVERT_HEAD
+'
+
+test_expect_success 'failed commit does not clear REVERT_HEAD' '
+ pristine_detach initial &&
+ test_must_fail git revert picked &&
+ test_must_fail git commit &&
+ test_cmp_rev picked REVERT_HEAD
+'
+
test_expect_success 'revert conflict, diff3 -m style' '
pristine_detach initial &&
git config merge.conflictstyle diff3 &&