$ git clone -n https://src.fedoraproject.org/rpms/biber.git /var/lib/mock/f41-build-side-1-2632366-25794/root/chroot_tmpdir/scmroot/biber
Cloning into '/var/lib/mock/f41-build-side-1-2632366-25794/root/chroot_tmpdir/scmroot/biber'...
$ git fetch origin 03ff935f65e31c4da5af6a30f3f699d4c0ceee1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/biber
 * [new ref]         03ff935f65e31c4da5af6a30f3f699d4c0ceee1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03ff935 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild