$ git clone -n https://src.fedoraproject.org/rpms/emacs-lua.git /var/lib/mock/f39-build-1491373-34520/root/chroot_tmpdir/scmroot/emacs-lua
Cloning into '/var/lib/mock/f39-build-1491373-34520/root/chroot_tmpdir/scmroot/emacs-lua'...
$ git fetch origin 64f89c0f59147a62d78fc715dff7246f89df3e44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-lua
 * [new ref]         64f89c0f59147a62d78fc715dff7246f89df3e44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64f89c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild