blob: 0476b2f78ed43fd8e8038aeafdc1d21af40d33bb (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
(require 'eshell)
(require 'esh-mode)
(require 'esh-module)
(setq eshell-modules-list
'(eshell-alias
eshell-basic
eshell-cmpl
eshell-dirs
eshell-glob
eshell-hist
eshell-ls
eshell-pred
eshell-prompt
eshell-script
eshell-term
eshell-tramp
eshell-unix))
(require 'em-alias)
(require 'em-basic)
(require 'em-dirs)
(require 'em-glob)
(require 'em-hist)
(require 'em-smart)
(require 'em-term)
(require 'em-tramp)
(require 'em-prompt)
(defun fcuny/eshell-mode-setup ()
(eshell/alias "e" "find-file $1")
(eshell/alias "emacs" "find-file $1")
(eshell/alias "ee" "find-file-other-window $1")
(eshell/alias "ll" "ls -l")
(eshell/alias "d" "dired $1")
(eshell/alias "gs" "magit-status")
(eshell/alias "gd" "magit-diff-unstaged")
(eshell/alias "gds" "magit-diff-staged")
(eshell/alias "rg" "counsel-rg")
(eshell/alias "cal" "calendar")
(eshell/alias "agenda" "org-agenda")
;; Disable current line highlighting.
(setq-local global-hl-line-mode nil))
(defun eshell/gst (&rest args)
(magit-status (pop args) nil)
(eshell/echo)) ;; The echo command suppresses output
(defun fcuny/eshell--open-or-cd (path)
"Cd to PATH if path is a directory ((file-name-directory path) => t), otherwise open PATH via `find-file'."
(interactive)
(if (file-directory-p path)
(progn
(goto-char (point-max))
(insert (concat "cd " path))
(eshell-send-input)
(insert (concat "ls -l"))
(eshell-send-input))
(find-file path)))
(defun fcuny/eshell-open-file-at-point ()
(interactive)
(let ((filename (symbol-name (symbol-at-point))))
(cond
((file-readable-p filename)
(fcuny/eshell--open-or-cd filename))
((file-readable-p (expand-file-name filename))
(fcuny/eshell--open-or-cd (expand-file-name filename))))))
(defun fcuny/shorten-path (path &optional max-len)
"Return a potentially trimmed-down version of the directory PATH, replacing
parent directories with their initial characters to try to get the character
length of PATH (sans directory slashes) down to MAX-LEN."
(let* ((components (split-string (abbreviate-file-name path) "/"))
(host (propertize (system-name) 'face `(:background "#4ba9aa")))
(max-len (or max-len 30))
(len (+ (1- (length components))
(cl-reduce '+ components :key 'length)))
(str ""))
(while (and (> len max-len)
(cdr components))
(setq str (concat str
(cond ((= 0 (length (car components))) "/")
((= 1 (length (car components)))
(concat (car components) "/"))
(t
(if (string= "."
(string (elt (car components) 0)))
(concat (substring (car components) 0 2)
"/")
(string (elt (car components) 0) ?/)))))
len (- len (1- (length (car components))))
components (cdr components)))
(concat host " " str (cl-reduce (lambda (a b) (concat a "/" b)) components))))
(defun fcuny/eshell-prompt ()
"Sets the prompt for eshell. If the current path is on a remote
host and starts with `ssh:', then we replace the prompt with
`@<hostname>' to indicate we're on a remote host."
(concat
(let ((absolute-path (eshell/pwd)))
(if (string-match "/ssh:\\(.+\\):" absolute-path)
(replace-match (propertize (concat "@" (match-string 1 absolute-path) " ") 'face `(:background "#4ba9aa")) nil nil absolute-path)
(fcuny/shorten-path absolute-path)))
(if (= (user-uid) 0) " # " " $ ")))
(defun fcuny/eshell-here ()
"Opens up a new shell in the directory associated with the current
buffer's file. The eshell is renamed to match that directory to make
multiple eshell windows easier."
(interactive)
(let* ((parent (if (buffer-file-name)
(file-name-directory (buffer-file-name))
default-directory))
(name (car (last (split-string parent "/" t)))))
(split-window-horizontally)
(other-window 1)
(eshell "new")
(rename-buffer (concat "*eshell: " name "*"))
(insert (concat "ls " "-lh"))
(eshell-send-input)))
(defun fcuny/eshell-main ()
(eshell "new")
(rename-buffer "*eshell: main session*")
(insert "ls -l")
(eshell-send-input))
(defvar-local fcuny/eshell-output-buffer "*Exported eshell output*"
"Name of buffer with the last output of Eshell command.")
(defvar-local fcuny/eshell-output-delimiter "---"
"Delimiter for successive `prot-eshell-export' outputs.")
(defun fcuny/eshell--command-prompt-output ()
"Capture last command prompt and its output."
(let ((beg (save-excursion
(goto-char (eshell-beginning-of-input))
(goto-char (point-at-bol)))))
(when (derived-mode-p 'eshell-mode)
(buffer-substring-no-properties beg (eshell-end-of-output)))))
;; https://gitlab.com/protesilaos/dotfiles/-/blob/master/emacs/.emacs.d/prot-lisp/prot-eshell.el#L114
(defun fcuny/eshell-export ()
"Produce a buffer with output of the last Eshell command.
If `fcuny/eshell-output-buffer' does not exist, create it. Else
append to it, while separating multiple outputs with
`fcuny/eshell-output-delimiter'."
(interactive)
(let ((eshell-output (fcuny/eshell--command-prompt-output)))
(with-current-buffer (get-buffer-create fcuny/eshell-output-buffer)
(goto-char (point-max))
(unless (eq (point-min) (point-max))
(insert (format "\n%s\n\n" fcuny/eshell-output-delimiter)))
(goto-char (point-at-bol))
(insert eshell-output)
(switch-to-buffer-other-window (current-buffer)))))
;; eshell time and notification
(defvar-local eshell-current-command-start-time nil)
;; https://www.birkey.co/2021-06-20-why-eshell-part-1.html
(defun fcuny/eshell-current-command-start ()
(setq eshell-current-command-start-time (current-time)))
(defun fcuny/eshell-current-command-stop ()
(when eshell-current-command-start-time
(let ((elapsed-time (float-time
(time-subtract (current-time)
eshell-current-command-start-time))))
(if (> elapsed-time 5)
(eshell-interactive-print
(format "Finished in: %.0fs\n" elapsed-time)))))
(setq eshell-current-command-start-time nil))
(defun fcuny/eshell-current-command-time-track ()
(add-hook 'eshell-pre-command-hook #'fcuny/eshell-current-command-start nil t)
(add-hook 'eshell-post-command-hook #'fcuny/eshell-current-command-stop nil t))
(use-package eshell
:hook ((eshell-mode . fcuny/eshell-mode-setup)
(eshell-mode . fcuny/eshell-current-command-time-track)
(eshell-mode . eshell-smart-initialize))
:commands (eshell eshell-command)
:bind (("C-c e h" . fcuny/eshell-here)
("C-c e e" . fcuny/eshell-export)
("C-c r" . counsel-esh-history)
:map eshell-mode-map
("C-o" . fcuny/eshell-open-file-at-point))
:custom
(eshell-scroll-to-bottom-on-input 'all)
(eshell-error-if-no-glob t)
(eshell-hist-ignoredups t)
(eshell-save-history-on-exit t)
(eshell-cd-on-directory t)
(eshell-prefer-lisp-functions nil)
(eshell-where-to-jump 'begin)
(eshell-review-quick-commands nil)
(eshell-smart-space-goes-to-end t)
(eshell-prompt-function 'fcuny/eshell-prompt)
(tramp-shell-prompt-pattern "^[^$>\n]*[#$%>] *\\(\[[0-9;]*[a-zA-Z] *\\)*")
(eshell-destroy-buffer-when-process-dies t))
(use-package eshell-bookmark
:ensure t
:hook (eshell-mode . eshell-bookmark-setup))
(provide 'fcuny-eshell)
|
