adding a special tar for macos

the tar shipped with macos doesn't handle very long paths at all.  this
will use the brew installed 'gtar' version of gnu tar if it's available.

diff --git a/scripts/archival/shared_snarfer.pl b/scripts/archival/shared_snarfer.pl
index 91ee6d75a83c9f1f32183613a8b6c8517470ad92..7b2b7ecdcc0d03eda2d0ef9f2bcd48fa9565e9cf 100644 (file)
--- a/scripts/archival/shared_snarfer.pl
+++ b/scripts/archival/shared_snarfer.pl
@@ -57,7 +57,12 @@ for (local($i) = 0; $i < scalar(@junk_file_list); $i++) {
 
 # generic versions work on sane OSes.
 $find_tool = which('find');
-$tar_tool = which('tar');
+# for mac, try to match gnu tar first.
+$tar_tool = which('gtar');
+if ( ! -f "$tar_tool" ) {
+  # fall back to regular tar.
+  $tar_tool = which('tar');
+}
 #print "find tool: $find_tool\n";
 #print "tar tool: $tar_tool\n";