$ git clone -n https://src.fedoraproject.org/rpms/fedora-iot-config.git /var/lib/mock/f45-build-8852-396/root/chroot_tmpdir/scmroot/fedora-iot-config
Cloning into '/var/lib/mock/f45-build-8852-396/root/chroot_tmpdir/scmroot/fedora-iot-config'...
$ git fetch origin 7d48d2a81f099ea81e248bcd2e82c4e30a9c993f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedora-iot-config
 * [new ref]         7d48d2a81f099ea81e248bcd2e82c4e30a9c993f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d48d2a Update gpgkeypath to /usr/share/pki/rpm-gpg/ for F45 GPG key relocation