difftool: fallback on merge.guitool

diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 14e82f7fb6c1704eb47bc9d5dfc8dab85a79c845..65dfbc033a027df1a590cbfaf75ae47f4ed9c547 100755 (executable)
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -46,13 +46,13 @@ test_expect_success 'setup expected' '
 '
 
 test_expect_success 'diff works (initial)' '
-       (echo d; echo 1) | git add -i >output &&
+       test_write_lines d 1 | git add -i >output &&
        sed -ne "/new file/,/content/p" <output >diff &&
        diff_cmp expected diff
 '
 test_expect_success 'revert works (initial)' '
        git add file &&
-       (echo r; echo 1) | git add -i &&
+       test_write_lines r 1 | git add -i &&
        git ls-files >output &&
        ! grep . output
 '
@@ -83,13 +83,13 @@ test_expect_success 'setup expected' '
 '
 
 test_expect_success 'diff works (commit)' '
-       (echo d; echo 1) | git add -i >output &&
+       test_write_lines d 1 | git add -i >output &&
        sed -ne "/^index/,/content/p" <output >diff &&
        diff_cmp expected diff
 '
 test_expect_success 'revert works (commit)' '
        git add file &&
-       (echo r; echo 1) | git add -i &&
+       test_write_lines r 1 | git add -i &&
        git add -i </dev/null >output &&
        grep "unchanged *+3/-0 file" output
 '
@@ -102,7 +102,7 @@ test_expect_success 'setup expected' '
 
 test_expect_success 'dummy edit works' '
        test_set_editor : &&
-       (echo e; echo a) | git add -p &&
+       test_write_lines e a | git add -p &&
        git diff > diff &&
        diff_cmp expected diff
 '
@@ -127,7 +127,7 @@ test_expect_success 'setup fake editor' '
 
 test_expect_success 'bad edit rejected' '
        git reset &&
-       (echo e; echo n; echo d) | git add -p >output &&
+       test_write_lines e n d | git add -p >output &&
        grep "hunk does not apply" output
 '
 
@@ -140,7 +140,7 @@ test_expect_success 'setup patch' '
 
 test_expect_success 'garbage edit rejected' '
        git reset &&
-       (echo e; echo n; echo d) | git add -p >output &&
+       test_write_lines e n d | git add -p >output &&
        grep "hunk does not apply" output
 '
 
@@ -170,7 +170,50 @@ test_expect_success 'setup expected' '
 '
 
 test_expect_success 'real edit works' '
-       (echo e; echo n; echo d) | git add -p &&
+       test_write_lines e n d | git add -p &&
+       git diff >output &&
+       diff_cmp expected output
+'
+
+test_expect_success 'setup file' '
+       test_write_lines a "" b "" c >file &&
+       git add file &&
+       test_write_lines a "" d "" c >file
+'
+
+test_expect_success 'setup patch' '
+       SP=" " &&
+       NULL="" &&
+       cat >patch <<-EOF
+       @@ -1,4 +1,4 @@
+        a
+       $NULL
+       -b
+       +f
+       $SP
+       c
+       EOF
+'
+
+test_expect_success 'setup expected' '
+       cat >expected <<-EOF
+       diff --git a/file b/file
+       index b5dd6c9..f910ae9 100644
+       --- a/file
+       +++ b/file
+       @@ -1,5 +1,5 @@
+        a
+       $SP
+       -f
+       +d
+       $SP
+        c
+       EOF
+'
+
+test_expect_success 'edit can strip spaces from empty context lines' '
+       test_write_lines e n q | git add -p 2>error &&
+       test_must_be_empty error &&
        git diff >output &&
        diff_cmp expected output
 '