$ git clone -n https://pagure.io/fedora-kickstarts.git /var/lib/mock/f43-build-61113000-6589101/root/chroot_tmpdir/fedora-kickstarts
Cloning into '/var/lib/mock/f43-build-61113000-6589101/root/chroot_tmpdir/fedora-kickstarts'...
$ git fetch origin ba34c74b4af705a00c07dc4af0120d776731541e:KOJI_FETCH_HEAD
From https://pagure.io/fedora-kickstarts
 * [new ref]         ba34c74b4af705a00c07dc4af0120d776731541e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba34c74 rewrite list-packages-for-ks.py script to python3