$ git clone -n https://src.fedoraproject.org/rpms/kongress.git /var/lib/mock/f42-build-side-1-3540404-46574/root/chroot_tmpdir/scmroot/kongress
Cloning into '/var/lib/mock/f42-build-side-1-3540404-46574/root/chroot_tmpdir/scmroot/kongress'...
$ git fetch origin 4af85302f444d49906de4d68a5a98b6220fa9a2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kongress
 * [new ref]         4af85302f444d49906de4d68a5a98b6220fa9a2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4af8530 25.04.2