$ git clone -n https://src.fedoraproject.org/rpms/libktorrent.git /var/lib/mock/f42-build-side-1-3583497-46889/root/chroot_tmpdir/scmroot/libktorrent
Cloning into '/var/lib/mock/f42-build-side-1-3583497-46889/root/chroot_tmpdir/scmroot/libktorrent'...
$ git fetch origin 1d918519fc63993b845dc39d75632aaaab8b7f16:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libktorrent
 * [new ref]         1d918519fc63993b845dc39d75632aaaab8b7f16 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d91851 25.04.3