$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f41-build-848846-164597/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f41-build-848846-164597/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin 36e6b880c2a53da4f13ceb32575603bbdb1d7a9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         36e6b880c2a53da4f13ceb32575603bbdb1d7a9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36e6b88 6.1.5