$ git clone -n https://src.fedoraproject.org/rpms/berry.git /var/lib/mock/f41-build-side-1-2656002-28431/root/chroot_tmpdir/scmroot/berry
Cloning into '/var/lib/mock/f41-build-side-1-2656002-28431/root/chroot_tmpdir/scmroot/berry'...
$ git fetch origin 51c182366fafb34bbe74dd08105cb32703a729cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/berry
 * [new ref]         51c182366fafb34bbe74dd08105cb32703a729cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51c1823 Berry is not compatible with the current exiv2 version. Further development was stopped more than 8 years ago.