$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f41-build-side-1-3052490-38129/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f41-build-side-1-3052490-38129/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin cfd56a803bd5d480d945864424a3d927ba44adee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         cfd56a803bd5d480d945864424a3d927ba44adee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfd56a8 6.2.2