$ git clone -n https://src.fedoraproject.org/rpms/buildah.git /var/lib/mock/f40-build-2207328-52080/root/chroot_tmpdir/scmroot/buildah
Cloning into '/var/lib/mock/f40-build-2207328-52080/root/chroot_tmpdir/scmroot/buildah'...
$ git fetch origin 3ace49d3ac92baee8ba0106dd298f582563c2a06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/buildah
 * [new ref]         3ace49d3ac92baee8ba0106dd298f582563c2a06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ace49d [packit] 1.34.0 upstream release