merge-one-file: fix broken merges with alternate work trees

diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 62fd65e18d434711176ddb1c22ef057b879e992a..b6eba6a83904a00724b7b550a9bc3b1b35825bee 100755 (executable)
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -138,6 +138,20 @@ test_expect_success 'real edit works' '
        test_cmp expected output
 '
 
+test_expect_success 'skip files similarly as commit -a' '
+       git reset &&
+       echo file >.gitignore &&
+       echo changed >file &&
+       echo y | git add -p file &&
+       git diff >output &&
+       git reset &&
+       git commit -am commit &&
+       git diff >expected &&
+       test_cmp expected output &&
+       git reset --hard HEAD^
+'
+rm -f .gitignore
+
 if test "$(git config --bool core.filemode)" = false
 then
        say 'skipping filemode tests (filesystem does not properly support modes)'
@@ -214,4 +228,41 @@ test_expect_success 'add first line works' '
        test_cmp expected diff
 '
 
+cat >expected <<EOF
+diff --git a/non-empty b/non-empty
+deleted file mode 100644
+index d95f3ad..0000000
+--- a/non-empty
++++ /dev/null
+@@ -1 +0,0 @@
+-content
+EOF
+test_expect_success 'deleting a non-empty file' '
+       git reset --hard &&
+       echo content >non-empty &&
+       git add non-empty &&
+       git commit -m non-empty &&
+       rm non-empty &&
+       echo y | git add -p non-empty &&
+       git diff --cached >diff &&
+       test_cmp expected diff
+'
+
+cat >expected <<EOF
+diff --git a/empty b/empty
+deleted file mode 100644
+index e69de29..0000000
+EOF
+
+test_expect_success 'deleting an empty file' '
+       git reset --hard &&
+       > empty &&
+       git add empty &&
+       git commit -m empty &&
+       rm empty &&
+       echo y | git add -p empty &&
+       git diff --cached >diff &&
+       test_cmp expected diff
+'
+
 test_done