gettext: add is_utf8_locale()

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index ea35a0241c201ac12c29603a21421199dd097600..ec8bc8c7656fd7f0fd03226b5491f5bc9d532dd7 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -492,12 +492,31 @@ test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
 
 test_expect_success PERL 'difftool properly honors gitlink and core.worktree' '
        git submodule add ./. submod/ule &&
+       test_config -C submod/ule diff.tool checktrees &&
+       test_config -C submod/ule difftool.checktrees.cmd '\''
+               test -d "$LOCAL" && test -d "$REMOTE" && echo good
+               '\'' &&
        (
                cd submod/ule &&
-               test_config diff.tool checktrees &&
-               test_config difftool.checktrees.cmd '\''
-                       test -d "$LOCAL" && test -d "$REMOTE" && echo good
-               '\'' &&
+               echo good >expect &&
+               git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
+               test_cmp expect actual
+       )
+'
+
+test_expect_success PERL,SYMLINKS 'difftool --dir-diff symlinked directories' '
+       git init dirlinks &&
+       (
+               cd dirlinks &&
+               git config diff.tool checktrees &&
+               git config difftool.checktrees.cmd "echo good" &&
+               mkdir foo &&
+               : >foo/bar &&
+               git add foo/bar &&
+               test_commit symlink-one &&
+               ln -s foo link &&
+               git add link &&
+               test_commit symlink-two &&
                echo good >expect &&
                git difftool --tool=checktrees --dir-diff HEAD~ >actual &&
                test_cmp expect actual