$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f40-build-2180629-51174/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f40-build-2180629-51174/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin 77d76c76627c395479b2d6dd0ea28466e9bdcda2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         77d76c76627c395479b2d6dd0ea28466e9bdcda2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77d76c7 Fix the file list for 5.91.0