$ git clone -n https://src.fedoraproject.org/rpms/quisk.git /var/lib/mock/f39-build-2261010-54414/root/chroot_tmpdir/scmroot/quisk
Cloning into '/var/lib/mock/f39-build-2261010-54414/root/chroot_tmpdir/scmroot/quisk'...
$ git fetch origin fba159081a5b76a2c7fc7be6f794418ff8416664:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quisk
 * [new ref]         fba159081a5b76a2c7fc7be6f794418ff8416664 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fba1590 New version