$ git clone -n https://src.fedoraproject.org/rpms/snakemake.git /var/lib/mock/f42-bootstrap-3462934-45593/root/chroot_tmpdir/scmroot/snakemake
Cloning into '/var/lib/mock/f42-bootstrap-3462934-45593/root/chroot_tmpdir/scmroot/snakemake'...
$ git fetch origin fa2f73be8821027edfdd4ddb47b1c1ab14f2f9b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snakemake
 * [new ref]         fa2f73be8821027edfdd4ddb47b1c1ab14f2f9b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa2f73b Update to 8.30.0