$ git clone -n https://src.fedoraproject.org/rpms/hamlib.git /var/lib/mock/f41-build-side-1-2805886-32866/root/chroot_tmpdir/scmroot/hamlib
Cloning into '/var/lib/mock/f41-build-side-1-2805886-32866/root/chroot_tmpdir/scmroot/hamlib'...
$ git fetch origin 6cbe704912a10a3a329129bf9ceeb29d6ec96293:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hamlib
 * [new ref]         6cbe704912a10a3a329129bf9ceeb29d6ec96293 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cbe704 Specify tcl location