$ git clone -n https://src.fedoraproject.org/rpms/python-py.git /var/lib/mock/f39-build-1430589-31730/root/chroot_tmpdir/scmroot/python-py
Cloning into '/var/lib/mock/f39-build-1430589-31730/root/chroot_tmpdir/scmroot/python-py'...
$ git fetch origin 094b9b9ccf881bcd3b625e7047bcfb5f5ed6ae0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-py
 * [new ref]         094b9b9ccf881bcd3b625e7047bcfb5f5ed6ae0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 094b9b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild