$ git clone -n https://src.fedoraproject.org/rpms/sysstat.git /var/lib/mock/f39-build-1597456-38448/root/chroot_tmpdir/scmroot/sysstat
Cloning into '/var/lib/mock/f39-build-1597456-38448/root/chroot_tmpdir/scmroot/sysstat'...
$ git fetch origin 44e7a98f6509bb92a9d6012f5d322e8ebb2a2eff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sysstat
 * [new ref]         44e7a98f6509bb92a9d6012f5d322e8ebb2a2eff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44e7a98 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild