$ git clone -n https://src.fedoraproject.org/rpms/libarrow.git /var/lib/mock/f42-build-3408504-45145/root/chroot_tmpdir/scmroot/libarrow
Cloning into '/var/lib/mock/f42-build-3408504-45145/root/chroot_tmpdir/scmroot/libarrow'...
$ git fetch origin 62be4cfdbfbde204f24c3c8ee2b22a1bd4ceb254:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libarrow
 * [new ref]         62be4cfdbfbde204f24c3c8ee2b22a1bd4ceb254 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62be4cf Apache Arrow 19.0.1 GA, w/ liborc 19.1.1