emacs-snapshot PPAを使用して Emacs を最新バージョン (GNU Emacs 24.1.50.1) に更新した後:
sudo aptitude update
sudo aptitude safe-upgrade
rinari を使用して Rails プロジェクトをプログラミングすると、警告が表示されます。
著者がこの問題を修正するのを待つのにうんざりしています。そこで、Emacs をインストールした以前のバージョンに「ロールバック」することにしました。
/var/cache/apt/archives/ディレクトリにアーカイブがあります。
/var/cache/apt/archives/emacs-snapshot_2%3a20120608-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120609-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120614-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120615-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120622-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120629-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot_2%3a20120701-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120608-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120609-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120614-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120615-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120622-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120629-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-bin-common_2%3a20120701-1~ppa1~precise1_amd64.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120608-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120609-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120614-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120615-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120622-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120629-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-common_2%3a20120701-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120608-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120609-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120614-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120615-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120622-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120629-1~ppa1~precise1_all.deb
/var/cache/apt/archives/emacs-snapshot-gtk_2%3a20120701-1~ppa1~precise1_all.deb
では、指定されたバージョン(古いバージョン)の Emacs をインストールするにはどうすればよいでしょうか?