test_expect_success 'reset should work' '
git read-tree -u --reset HEAD^ &&
git ls-files >actual &&
- diff -u expect actual
+ test_cmp expect actual
+'
+
+test_expect_success 'reset should remove remnants from a failed merge' '
+ git read-tree --reset -u HEAD &&
+ git ls-files -s >expect &&
+ sha1=$(git rev-parse :new) &&
+ (
+ echo "100644 $sha1 1 old"
+ echo "100644 $sha1 3 old"
+ ) | git update-index --index-info &&
+ >old &&
+ git ls-files -s &&
+ git read-tree --reset -u HEAD &&
+ git ls-files -s >actual &&
+ ! test -f old
+'
+
+test_expect_success 'Porcelain reset should remove remnants too' '
+ git read-tree --reset -u HEAD &&
+ git ls-files -s >expect &&
+ sha1=$(git rev-parse :new) &&
+ (
+ echo "100644 $sha1 1 old"
+ echo "100644 $sha1 3 old"
+ ) | git update-index --index-info &&
+ >old &&
+ git ls-files -s &&
+ git reset --hard &&
+ git ls-files -s >actual &&
+ ! test -f old
+'
+
+test_expect_success 'Porcelain checkout -f should remove remnants too' '
+ git read-tree --reset -u HEAD &&
+ git ls-files -s >expect &&
+ sha1=$(git rev-parse :new) &&
+ (
+ echo "100644 $sha1 1 old"
+ echo "100644 $sha1 3 old"
+ ) | git update-index --index-info &&
+ >old &&
+ git ls-files -s &&
+ git checkout -f &&
+ git ls-files -s >actual &&
+ ! test -f old
+'
+
+test_expect_success 'Porcelain checkout -f HEAD should remove remnants too' '
+ git read-tree --reset -u HEAD &&
+ git ls-files -s >expect &&
+ sha1=$(git rev-parse :new) &&
+ (
+ echo "100644 $sha1 1 old"
+ echo "100644 $sha1 3 old"
+ ) | git update-index --index-info &&
+ >old &&
+ git ls-files -s &&
+ git checkout -f HEAD &&
+ git ls-files -s >actual &&
+ ! test -f old
'
test_done