check_tree.pl: chomp git rev-parse results.

diff --git a/pwx/check_tree.pl b/pwx/check_tree.pl
index 2c5e9c6bde625c8cde16039bd90971cdfbd94a32..299ea6d2f5b88f0eec204d49fb00ed14560b1042 100755 (executable)
--- a/pwx/check_tree.pl
+++ b/pwx/check_tree.pl
@@ -1120,6 +1120,7 @@ sub checkout_upstream {
                print "$previous_commit\n";
                return 0;
        }
+       chomp $previous_commit;
 
        # Get the shortened commit hash of $commit
        $new_commit = qx(cd $upstream_path ; git rev-parse --short "$commit" 2>&1);
@@ -1129,6 +1130,7 @@ sub checkout_upstream {
                print "$new_commit\n";
                return 0;
        }
+       chomp $new_commit;
 
        # Now check it out, unless we are already there:
        if ($previous_commit ne $new_commit) {