$ git clone -n https://src.fedoraproject.org/rpms/powerstat.git /var/lib/mock/f38-build-side-42-init-devel-1409887-31368/root/chroot_tmpdir/scmroot/powerstat
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1409887-31368/root/chroot_tmpdir/scmroot/powerstat'...
$ git fetch origin 973f752566c7f976334cb7dbeb7df79b9db27f30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerstat
 * [new ref]         973f752566c7f976334cb7dbeb7df79b9db27f30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 973f752 Initial import BZ2223901