solvergit: extract mode from diff headers properly

grep() won't set $1, so use "=~", instead.

diff --git a/lib/PublicInbox/SolverGit.pm b/lib/PublicInbox/SolverGit.pm
index 1b1951b58e17a733f4396f258dcfac93abc0b7c0..d9b312c18d2f155ae39c417f60830395c58e3e9e 100644 (file)
--- a/lib/PublicInbox/SolverGit.pm
+++ b/lib/PublicInbox/SolverGit.pm
@@ -286,7 +286,8 @@ EOF
 
 sub extract_old_mode ($) {
        my ($di) = @_;
-       if (grep(/\Aold mode (100644|100755|120000)$/, @{$di->{hdr_lines}})) {
+       if (join('', @{$di->{hdr_lines}}) =~
+                       /^old mode (100644|100755|120000)\b/) {
                return $1;
        }
        '100644';