$ git clone -n https://src.fedoraproject.org/rpms/kalk.git /var/lib/mock/f40-build-802804-144106/root/chroot_tmpdir/scmroot/kalk
Cloning into '/var/lib/mock/f40-build-802804-144106/root/chroot_tmpdir/scmroot/kalk'...
$ git fetch origin da71f6de6421b22d503f85d732bc7335b8d4aa1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalk
 * [new ref]         da71f6de6421b22d503f85d732bc7335b8d4aa1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da71f6d 24.02.1