$ git clone -n https://src.fedoraproject.org/rpms/python-siphash.git /var/lib/mock/f39-build-1426249-31588/root/chroot_tmpdir/scmroot/python-siphash
Cloning into '/var/lib/mock/f39-build-1426249-31588/root/chroot_tmpdir/scmroot/python-siphash'...
$ git fetch origin 424d3ed954c00716e6f2ecba43376249060eaf36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-siphash
 * [new ref]         424d3ed954c00716e6f2ecba43376249060eaf36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 424d3ed Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild