Work around Darwin9's set-GID-like group ownership inheritance.

This avoids another spurious Mac OS 10.5.1 (Darwin 9.1) test failure.
* tests/cp/preserve-gid: Accept a group ID of 0, as well.
Reported by Elias Pipping.

1 files changed, 8 insertions, 2 deletions

diff --git a/tests/cp/preserve-gid b/tests/cp/preserve-gid
index 9537dc06c..516733f33 100755
--- a/tests/cp/preserve-gid
+++ b/tests/cp/preserve-gid
@@ -33,8 +33,14 @@ t0() {
   "$@" "$f" b || exit 1
   s=`stat -c '%u %g' b`
   if test "x$s" != "x$u $g"; then
-    echo "$0: $* $f b: $u $g != $s" 1>&2
-    (exit 1); exit 1
+    # Allow the actual group to match that of the parent directory
+    # (it was set to 0 above).
+    if test "x$s" = "x$u 0"; then
+      :
+    else
+      echo "$0: $* $f b: $u $g != $s" 1>&2
+      (exit 1); exit 1
+    fi
   fi
 }