send-email: simplify Gmail example in the documentation

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index ff7a9e968f4dde078a131ee65306ae6784e8faa5..7ce4cd753eb0c50f42b68653da79f90b19edd764 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -419,6 +419,29 @@ run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
        grep file2 output
 '
 
+run_dir_diff_test 'difftool --dir-diff with unmerged files' '
+       test_when_finished git reset --hard &&
+       test_config difftool.echo.cmd "echo ok" &&
+       git checkout -B conflict-a &&
+       git checkout -B conflict-b &&
+       git checkout conflict-a &&
+       echo a >>file &&
+       git add file &&
+       git commit -m conflict-a &&
+       git checkout conflict-b &&
+       echo b >>file &&
+       git add file &&
+       git commit -m conflict-b &&
+       git checkout master &&
+       git merge conflict-a &&
+       test_must_fail git merge conflict-b &&
+       cat >expect <<-EOF &&
+               ok
+       EOF
+       git difftool --dir-diff $symlinks -t echo >actual &&
+       test_cmp expect actual
+'
+
 write_script .git/CHECK_SYMLINKS <<\EOF
 for f in file file2 sub/sub
 do