$ git clone -n https://src.fedoraproject.org/rpms/cinch.git /var/lib/mock/f41-build-side-1-2811058-32925/root/chroot_tmpdir/scmroot/cinch
Cloning into '/var/lib/mock/f41-build-side-1-2811058-32925/root/chroot_tmpdir/scmroot/cinch'...
$ git fetch origin 0f962945976f9e8df49641781fc37ebc2c5062f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cinch
 * [new ref]         0f962945976f9e8df49641781fc37ebc2c5062f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f96294 convert GPLv3+ license to SPDX