$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-Bencode.git /var/lib/mock/f45-build-22564-593/root/chroot_tmpdir/scmroot/perl-Convert-Bencode
Cloning into '/var/lib/mock/f45-build-22564-593/root/chroot_tmpdir/scmroot/perl-Convert-Bencode'...
$ git fetch origin 60b13393cae8d1b1c72cf70be1000cb64dc2132a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-Bencode
 * [new ref]         60b13393cae8d1b1c72cf70be1000cb64dc2132a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60b1339 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild