$ git clone -n https://src.fedoraproject.org/rpms/cloud-init.git /var/lib/mock/f39-build-1752939-41468/root/chroot_tmpdir/scmroot/cloud-init
Cloning into '/var/lib/mock/f39-build-1752939-41468/root/chroot_tmpdir/scmroot/cloud-init'...
$ git fetch origin f782b78536bce8b11349f258b291fa66d2ed1048:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cloud-init
 * [new ref]         f782b78536bce8b11349f258b291fa66d2ed1048 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f782b78 Update to 23.2.1