$ git clone -n https://src.fedoraproject.org/rpms/python-doubleratchet.git /var/lib/mock/f39-build-1630684-39633/root/chroot_tmpdir/scmroot/python-doubleratchet
Cloning into '/var/lib/mock/f39-build-1630684-39633/root/chroot_tmpdir/scmroot/python-doubleratchet'...
$ git fetch origin 3b674210f34b0c881aaf9adb9795bdc9f645dee8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-doubleratchet
 * [new ref]         3b674210f34b0c881aaf9adb9795bdc9f645dee8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b67421 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild