$ git clone -n https://src.fedoraproject.org/rpms/python-postorius.git /var/lib/mock/f39-build-1633684-39817/root/chroot_tmpdir/scmroot/python-postorius
Cloning into '/var/lib/mock/f39-build-1633684-39817/root/chroot_tmpdir/scmroot/python-postorius'...
$ git fetch origin d059299091002963bb876cf27f1b6de8015f73a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-postorius
 * [new ref]         d059299091002963bb876cf27f1b6de8015f73a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d059299 Rebuilt for Python 3.12 (rhbz#2220414)