my $hex = '[a-f0-9]';
my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
- my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~\d+)?/;
+ my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;
# revision ranges may be specified
my $range = 'HEAD';