$ git clone -n https://src.fedoraproject.org/rpms/lua-readline.git /var/lib/mock/f45-build-17694-503/root/chroot_tmpdir/scmroot/lua-readline
Cloning into '/var/lib/mock/f45-build-17694-503/root/chroot_tmpdir/scmroot/lua-readline'...
$ git fetch origin 743731276f3827c8fe76eb6ab765a2d07ea11eff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-readline
 * [new ref]         743731276f3827c8fe76eb6ab765a2d07ea11eff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7437312 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild