lei_mirror: shorten remote names

The lengthy-but-human-meaningful remote names are more expensive
at runtime and increase packed-refs space.

diff --git a/lib/PublicInbox/LeiMirror.pm b/lib/PublicInbox/LeiMirror.pm
index 2da4f8815588953289bbb7a81df73b72789afd91..04d9494c604388ca4e9c0f832b9233c653cb9ac7 100644 (file)
--- a/lib/PublicInbox/LeiMirror.pm
+++ b/lib/PublicInbox/LeiMirror.pm
@@ -438,11 +438,7 @@ sub forkgroup_prep {
                }
        }
        my $key = $self->{-key} // die 'BUG: no -key';
-       my $rn = $key;
-       $rn =~ s!\A[\./]+!!s;
-       $rn =~ s/\.*?(?:\.git)?\.*?\z//s;
-       $rn =~ s![\@\{\}/:\?\[\]\^~\s\f[:cntrl:]\*]!_!isg;
-       $rn .= '-'.substr(sha256_hex($key), 0, 16);
+       my $rn = substr(sha256_hex($key), 0, 16);
        unless ($self->{dry_run}) {
                # --no-tags is required to avoid conflicts
                for ("url=$uri", "fetch=+refs/*:refs/remotes/$rn/*",