$ git clone -n https://src.fedoraproject.org/rpms/gotun.git /var/lib/mock/f40-build-807250-145189/root/chroot_tmpdir/scmroot/gotun
Cloning into '/var/lib/mock/f40-build-807250-145189/root/chroot_tmpdir/scmroot/gotun'...
$ git fetch origin 0c264aead695600f155c1b589b9422e54cd0e2a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gotun
 * [new ref]         0c264aead695600f155c1b589b9422e54cd0e2a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c264ae Rebuild for golang 1.22.0