test-lint: detect 'export FOO=bar'

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 9fd09dbe93767b666c3bfb8a82d852055e3e3aae..2418528487624bf5497af71c9958a84e0a50328f 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -314,37 +314,55 @@ test_expect_success PERL 'setup change in subdirectory' '
        git commit -m "added sub/sub" &&
        echo test >>file &&
        echo test >>sub/sub &&
-       git add . &&
+       git add file sub/sub &&
        git commit -m "modified both"
 '
 
-test_expect_success PERL 'difftool -d' '
-       git difftool -d --extcmd ls branch >output &&
+run_dir_diff_test () {
+       test_expect_success PERL "$1 --no-symlinks" "
+               symlinks=--no-symlinks &&
+               $2
+       "
+       test_expect_success PERL,SYMLINKS "$1 --symlinks" "
+               symlinks=--symlinks &&
+               $2
+       "
+}
+
+run_dir_diff_test 'difftool -d' '
+       git difftool -d $symlinks --extcmd ls branch >output &&
        grep sub output &&
        grep file output
 '
 
-test_expect_success PERL 'difftool --dir-diff' '
-       git difftool --dir-diff --extcmd ls branch >output &&
+run_dir_diff_test 'difftool --dir-diff' '
+       git difftool --dir-diff $symlinks --extcmd ls branch >output &&
        grep sub output &&
        grep file output
 '
 
-test_expect_success PERL 'difftool --dir-diff ignores --prompt' '
-       git difftool --dir-diff --prompt --extcmd ls branch >output &&
+run_dir_diff_test 'difftool --dir-diff ignores --prompt' '
+       git difftool --dir-diff $symlinks --prompt --extcmd ls branch >output &&
        grep sub output &&
        grep file output
 '
 
-test_expect_success PERL 'difftool --dir-diff from subdirectory' '
+run_dir_diff_test 'difftool --dir-diff from subdirectory' '
        (
                cd sub &&
-               git difftool --dir-diff --extcmd ls branch >output &&
+               git difftool --dir-diff $symlinks --extcmd ls branch >output &&
                grep sub output &&
                grep file output
        )
 '
 
+run_dir_diff_test 'difftool --dir-diff when worktree file is missing' '
+       test_when_finished git reset --hard &&
+       rm file2 &&
+       git difftool --dir-diff $symlinks --extcmd ls branch master >output &&
+       grep file2 output
+'
+
 write_script .git/CHECK_SYMLINKS <<\EOF
 for f in file file2 sub/sub
 do
@@ -367,6 +385,25 @@ test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstage
        test_cmp actual expect
 '
 
+write_script modify-right-file <<\EOF
+echo "new content" >"$2/file"
+EOF
+
+run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
+       test_when_finished git reset --hard &&
+       echo "orig content" >file &&
+       git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+       echo "new content" >expect &&
+       test_cmp expect file
+'
+
+run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
+       test_when_finished git reset --hard &&
+       git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+       echo "new content" >expect &&
+       test_cmp expect file
+'
+
 write_script modify-file <<\EOF
 echo "new content" >file
 EOF