$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f39-build-2051124-49042/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f39-build-2051124-49042/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin ec98eede80d66acf49ab51200a6e8863562fbdf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         ec98eede80d66acf49ab51200a6e8863562fbdf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec98eed 5.27.10