test_path_is_dir patchset
'
+test_expect_success 'format-patch --base' '
+ git checkout side &&
+ git format-patch --stdout --base=HEAD~3 -1 >patch &&
+ grep "^base-commit:" patch >actual &&
+ grep "^prerequisite-patch-id:" patch >>actual &&
+ echo "base-commit: $(git rev-parse HEAD~3)" >expected &&
+ echo "prerequisite-patch-id: $(git show --patch HEAD~2 | git patch-id --stable | awk "{print \$1}")" >>expected &&
+ echo "prerequisite-patch-id: $(git show --patch HEAD~1 | git patch-id --stable | awk "{print \$1}")" >>expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'format-patch --base errors out when base commit is in revision list' '
+ test_must_fail git format-patch --base=HEAD -2 &&
+ test_must_fail git format-patch --base=HEAD~1 -2 &&
+ git format-patch --stdout --base=HEAD~2 -2 >patch &&
+ grep "^base-commit:" patch >actual &&
+ echo "base-commit: $(git rev-parse HEAD~2)" >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'format-patch --base errors out when base commit is not ancestor of revision list' '
+ # For history as below:
+ #
+ # ---Q---P---Z---Y---*---X
+ # \ /
+ # ------------W
+ #
+ # If "format-patch Z..X" is given, P and Z can not be specified as the base commit
+ git checkout -b topic1 master &&
+ git rev-parse HEAD >commit-id-base &&
+ test_commit P &&
+ git rev-parse HEAD >commit-id-P &&
+ test_commit Z &&
+ git rev-parse HEAD >commit-id-Z &&
+ test_commit Y &&
+ git checkout -b topic2 master &&
+ test_commit W &&
+ git merge topic1 &&
+ test_commit X &&
+ test_must_fail git format-patch --base=$(cat commit-id-P) -3 &&
+ test_must_fail git format-patch --base=$(cat commit-id-Z) -3 &&
+ git format-patch --stdout --base=$(cat commit-id-base) -3 >patch &&
+ grep "^base-commit:" patch >actual &&
+ echo "base-commit: $(cat commit-id-base)" >expected &&
+ test_cmp expected actual
+'
+
test_done