$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f40-build-2078225-49594/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f40-build-2078225-49594/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin 4276b2c7a0465745e4dbbae7bd6e8bd86e4228a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         4276b2c7a0465745e4dbbae7bd6e8bd86e4228a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4276b2c fix: upload missing sources