$ git clone -n https://src.fedoraproject.org/rpms/python2.7.git /var/lib/mock/f39-build-2184531-51281/root/chroot_tmpdir/scmroot/python2.7
Cloning into '/var/lib/mock/f39-build-2184531-51281/root/chroot_tmpdir/scmroot/python2.7'...
$ git fetch origin aa4daae7d2d3eef2fe19580b6063fa4bff9369be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python2.7
 * [new ref]         aa4daae7d2d3eef2fe19580b6063fa4bff9369be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa4daae Security fix for CVE-2023-27043