$ git clone -n https://src.fedoraproject.org/rpms/python-serpent.git /var/lib/mock/f39-build-1618699-38665/root/chroot_tmpdir/scmroot/python-serpent
Cloning into '/var/lib/mock/f39-build-1618699-38665/root/chroot_tmpdir/scmroot/python-serpent'...
$ git fetch origin 7b838ff298edfb23b7832d290033957d53230bf6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-serpent
 * [new ref]         7b838ff298edfb23b7832d290033957d53230bf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b838ff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild