X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/a9a47cf9a73e9ec2454ec71a25acd64f9f6286f9..5fde77fb90280da2c008bb5e8e83f6635b999715:/cookbooks/backup/files/default/expire-backups

diff --git a/cookbooks/backup/files/default/expire-backups b/cookbooks/backup/files/default/expire-backups
index 81834d437..9d82c384a 100644
--- a/cookbooks/backup/files/default/expire-backups
+++ b/cookbooks/backup/files/default/expire-backups
@@ -43,12 +43,12 @@ for my $month (0 .. $months - 1)
 }
 
 my $dates = join("|", @dates);
-my $match = qr/^${prefix}\d{4}-\d{2}-\d{2}\./;
-my $keep = qr/^${prefix}(?:${dates})\./;
+my $match = qr/^\Q${prefix}\E\d{4}-\d{2}-\d{2}\./;
+my $keep = qr/^\Q${prefix}\E(?:${dates})\./;
 
 opendir(DIR, "$dir") || die "Can't open ${dir}: $!";
 
-my @files = sort(grep($match, readdir(DIR)));
+my @files = sort(grep(/$match/, readdir(DIR)));
 
 closedir(DIR);