$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/osbuild.git /var/lib/mock/f40-build-59042031-6570483/root/chroot_tmpdir/scmroot/osbuild
Cloning into '/var/lib/mock/f40-build-59042031-6570483/root/chroot_tmpdir/scmroot/osbuild'...
$ git fetch origin fe5de4aeef48d1cd1516e9cb8fa7c1cb60063411:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/osbuild
 * [new ref]         fe5de4aeef48d1cd1516e9cb8fa7c1cb60063411 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe5de4a Update to 148 upstream release