$ git clone -n https://src.fedoraproject.org/rpms/perl-Compress-Raw-Bzip2.git /var/lib/mock/f45-build-22456-591/root/chroot_tmpdir/scmroot/perl-Compress-Raw-Bzip2
Cloning into '/var/lib/mock/f45-build-22456-591/root/chroot_tmpdir/scmroot/perl-Compress-Raw-Bzip2'...
$ git fetch origin 8ba4dce419b79680ad02f37abc9a5bbd6f0faa59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Compress-Raw-Bzip2
 * [new ref]         8ba4dce419b79680ad02f37abc9a5bbd6f0faa59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ba4dce 2.224 bump (rhbz#2525603)