$ git clone -n https://src.fedoraproject.org/rpms/tmt.git /var/lib/mock/f41-build-side-1-2778901-32448/root/chroot_tmpdir/scmroot/tmt
Cloning into '/var/lib/mock/f41-build-side-1-2778901-32448/root/chroot_tmpdir/scmroot/tmt'...
$ git fetch origin 8863cd288a053ad660947cd93ff752716a896c5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tmt
 * [new ref]         8863cd288a053ad660947cd93ff752716a896c5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8863cd2 Update to 1.36.1 upstream release