eshell はEmacs上で使えるビルトインのターミナルエミュレータートです。
現在のバッファのディレクトリをカレントとしてeshell を起動するようにしています。
(leaf eshell
:after popwin
:bind ("s-z" . eshell)
:custom `((eshell-directory-name . ,"~/.emacs.d/tmp/eshell")
(eshell-cmpl-ignore-case . t)
(eshell-ask-to-save-history . (quote always))
(eshell-cmpl-cycle-completions . t)
(eshell-cmpl-cycle-cutoff-length . 5)
(eshell-history-file-name . ,"~/Dropbox/backup/zsh/.zsh_history")
(eshell-hist-ignoredups . t)
(eshell-prompt-function . 'my:eshell-prompt)
(eshell-prompt-regexp . "^[^#$]*[$#] "))
:config
(setq eshell-command-aliases-list
(append
(list
(list "cl" "clear eshell")
(list "ll" "ls -ltr")
(list "la" "ls -a")
(list "ex" "exit"))))
:init
(push '("*eshell*" :height 0.6) popwin:special-display-config)
(defun my:eshell-prompt ()
"Prompt change string."
(interactive)
(concat
(eshell/pwd)
(if (= (user-uid) 0) "\n# " "\n$ ")))
(defun eshell-on-current-buffer ()
"Set the eshell directory to the current buffer."
(interactive)
(let ((path (file-name-directory (or (buffer-file-name) default-directory))))
(with-current-buffer "*eshell*"
(cd path)
(eshell-emit-prompt)))))