$ git clone -n https://src.fedoraproject.org/rpms/emacs-epl.git /var/lib/mock/f39-build-1518991-35813/root/chroot_tmpdir/scmroot/emacs-epl
Cloning into '/var/lib/mock/f39-build-1518991-35813/root/chroot_tmpdir/scmroot/emacs-epl'...
$ git fetch origin 7f391349a8d3bd86c927ac20e3e9a7865c73346f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-epl
 * [new ref]         7f391349a8d3bd86c927ac20e3e9a7865c73346f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f39134 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild