$ git clone -n https://pagure.io/fedora-kiwi-descriptions.git /var/lib/mock/f43-kiwi-build-59011659-6570211/root/chroot_tmpdir/fedora-kiwi-descriptions
Cloning into '/var/lib/mock/f43-kiwi-build-59011659-6570211/root/chroot_tmpdir/fedora-kiwi-descriptions'...
$ git fetch origin 13c5d722ad8a6141ad58c4c0d19e4fb7ce63265c:KOJI_FETCH_HEAD
From https://pagure.io/fedora-kiwi-descriptions
 * [new ref]         13c5d722ad8a6141ad58c4c0d19e4fb7ce63265c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13c5d72 components/liveinstall: Filter out unwanted EFI files from the ESP