$ git clone -n https://src.fedoraproject.org/rpms/python-guessit.git /var/lib/mock/f41-build-side-2-python-2689867-30197/root/chroot_tmpdir/scmroot/python-guessit
Cloning into '/var/lib/mock/f41-build-side-2-python-2689867-30197/root/chroot_tmpdir/scmroot/python-guessit'...
$ git fetch origin cca35b1ef6425669986d5aa31389743bfc937c2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-guessit
 * [new ref]         cca35b1ef6425669986d5aa31389743bfc937c2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cca35b1 convert LGPLv3 license to SPDX