$ git clone -n https://git.cclinux.org/stage/rpms/emacs.git /mnt/compose/mock/dist-circle8-build-108984-60549/root/chroot_tmpdir/scmroot/emacs
Cloning into '/mnt/compose/mock/dist-circle8-build-108984-60549/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin 4b8eb4aecaf1cf812072ec29eef441d9ca9d0c0f:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/emacs
 * [new ref]         4b8eb4aecaf1cf812072ec29eef441d9ca9d0c0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b8eb4a import emacs-26.1-11.el8