$ git clone -n https://src.fedoraproject.org/rpms/granatier.git /var/lib/mock/f45-build-12994-444/root/chroot_tmpdir/scmroot/granatier
Cloning into '/var/lib/mock/f45-build-12994-444/root/chroot_tmpdir/scmroot/granatier'...
$ git fetch origin 67b0f870681ecc8b9155730389953411a1f36c8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/granatier
 * [new ref]         67b0f870681ecc8b9155730389953411a1f36c8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67b0f87 26.08.1