$ git clone -n https://src.fedoraproject.org/rpms/lua-ev.git /var/lib/mock/f39-build-1500825-34798/root/chroot_tmpdir/scmroot/lua-ev
Cloning into '/var/lib/mock/f39-build-1500825-34798/root/chroot_tmpdir/scmroot/lua-ev'...
$ git fetch origin 84e52d93859ff690795b1bad38a4968b990a4091:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-ev
 * [new ref]         84e52d93859ff690795b1bad38a4968b990a4091 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84e52d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild