#! /usr/bin/env perl
use Git;
#print STDERR "$ARGV[0]\n";
my $repo = Git->repository();
$last_date=$repo->command_oneline("log", "--pretty=format:\"%ad\"", "-1", "--", $ARGV[0]);
while(<STDIN>) {
s/\$Date[^\$]*\$/\$Date: $last_date\$/;
print;
}