$ git clone -n https://src.fedoraproject.org/rpms/libarrow.git /var/lib/mock/f43-build-side-110906-59173966-6571503/root/chroot_tmpdir/scmroot/libarrow
Cloning into '/var/lib/mock/f43-build-side-110906-59173966-6571503/root/chroot_tmpdir/scmroot/libarrow'...
$ git fetch origin aa61fe9f7ceda00b98b0b334d4d1082b0aab5b1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libarrow
 * [new ref]         aa61fe9f7ceda00b98b0b334d4d1082b0aab5b1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa61fe9 Apache Arrow 20.0.0 GA, build in f43-build-side-110906