Make cherry-pick use rerere for conflict resolution.
Cherry-picking can be helped by reusing previous confliction
resolution by invoking rerere automatically.
Signed-off-by: Abhijit Menon-Sen <ams@toroid.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t3504-cherry-pick-rerere.sh b/t/t3504-cherry-pick-rerere.sh
new file mode 100755
index 0000000..f7b3518
--- /dev/null
+++ b/t/t3504-cherry-pick-rerere.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+test_description='cherry-pick should rerere for conflicts'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ echo foo >foo &&
+ git add foo && test_tick && git commit -q -m 1 &&
+ echo foo-master >foo &&
+ git add foo && test_tick && git commit -q -m 2 &&
+
+ git checkout -b dev HEAD^ &&
+ echo foo-dev >foo &&
+ git add foo && test_tick && git commit -q -m 3 &&
+ git config rerere.enabled true
+'
+
+test_expect_success 'conflicting merge' '
+ test_must_fail git merge master
+'
+
+test_expect_success 'fixup' '
+ echo foo-dev >foo &&
+ git add foo && test_tick && git commit -q -m 4 &&
+ git reset --hard HEAD^
+ echo foo-dev >expect
+'
+
+test_expect_success 'cherry-pick conflict' '
+ test_must_fail git cherry-pick master &&
+ test_cmp expect foo
+'
+
+test_expect_success 'reconfigure' '
+ git config rerere.enabled false
+ git reset --hard
+'
+
+test_expect_success 'cherry-pick conflict without rerere' '
+ test_must_fail git cherry-pick master &&
+ test_must_fail test_cmp expect foo
+'
+
+test_done
