$ git clone -n https://src.fedoraproject.org/rpms/perl-meta.git /var/lib/mock/f41-build-851030-165853/root/chroot_tmpdir/scmroot/perl-meta
Cloning into '/var/lib/mock/f41-build-851030-165853/root/chroot_tmpdir/scmroot/perl-meta'...
$ git fetch origin 4101527eb8655a1b2caec55e4ea2ee932b880c90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-meta
 * [new ref]         4101527eb8655a1b2caec55e4ea2ee932b880c90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4101527 0.009 bump