$ git clone -n https://src.fedoraproject.org/rpms/lua-ev.git /var/lib/mock/f42-build-884606-186148/root/chroot_tmpdir/scmroot/lua-ev
Cloning into '/var/lib/mock/f42-build-884606-186148/root/chroot_tmpdir/scmroot/lua-ev'...
$ git fetch origin 223b3aef63cc486d477c9d9905af354acfcb3963:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-ev
 * [new ref]         223b3aef63cc486d477c9d9905af354acfcb3963 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 223b3ae Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild