$ git clone -n https://src.fedoraproject.org/rpms/upx.git /var/lib/mock/f40-build-804782-144613/root/chroot_tmpdir/scmroot/upx
Cloning into '/var/lib/mock/f40-build-804782-144613/root/chroot_tmpdir/scmroot/upx'...
$ git fetch origin dd28888972c462f6fa9b22face74fa3bb10ba8c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/upx
 * [new ref]         dd28888972c462f6fa9b22face74fa3bb10ba8c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd28888 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild