noBrokenSymlinks: use umask instead of chmod to make unreadable symlinks

The stage2 stdenv uses Coreutils 9.4, which doesn't have `chmod -h` yet.
2025-03-05 15:46:37 -05:00
parent 693c7b3dad
commit 1a9fd7866b
1 changed files with 4 additions and 2 deletions
@@ -23,8 +23,10 @@ let
  # 'pass', to make sure the tests work properly for both kinds of platform.
  mkUnreadableSymlink = absolute: failIfUnsupported: ''
    touch "$out/unreadable-symlink-target"
-    ln -s${optionalString (!absolute) "r"} "$out/unreadable-symlink-target" "$out/unreadable-symlink"
-    chmod -h ugo-rwx "$out/unreadable-symlink"
+    (
+      umask 777
+      ln -s${optionalString (!absolute) "r"} "$out/unreadable-symlink-target" "$out/unreadable-symlink"
+    )
    if readlink "$out/unreadable-symlink" >/dev/null 2>&1; then
      nixErrorLog "symlink permissions not supported"
      ${optionalString failIfUnsupported "exit 1"}