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60370d40 | 1 | ;;; pcmpl-unix.el --- standard UNIX completions |
4fa9f636 | 2 | |
c90f2757 | 3 | ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, |
409cc4a3 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
4fa9f636 GM |
5 | |
6 | ;; This file is part of GNU Emacs. | |
7 | ||
8 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
9 | ;; it under the terms of the GNU General Public License as published by | |
b4aa6026 | 10 | ;; the Free Software Foundation; either version 3, or (at your option) |
4fa9f636 GM |
11 | ;; any later version. |
12 | ||
13 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
14 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;; GNU General Public License for more details. | |
17 | ||
18 | ;; You should have received a copy of the GNU General Public License | |
19 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
086add15 LK |
20 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | ;; Boston, MA 02110-1301, USA. | |
4fa9f636 | 22 | |
60370d40 PJ |
23 | ;;; Commentary: |
24 | ||
4fa9f636 GM |
25 | ;;; Code: |
26 | ||
4fa9f636 GM |
27 | (require 'pcomplete) |
28 | ||
29 | ;; User Variables: | |
30 | ||
31 | (defcustom pcmpl-unix-group-file "/etc/group" | |
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32 | "If non-nil, a string naming the group file on your system." |
33 | :type '(choice file (const nil)) | |
4fa9f636 GM |
34 | :group 'pcmpl-unix) |
35 | ||
36 | (defcustom pcmpl-unix-passwd-file "/etc/passwd" | |
1e2eefdd GM |
37 | "If non-nil, a string naming the passwd file on your system." |
38 | :type '(choice file (const nil)) | |
4fa9f636 GM |
39 | :group 'pcmpl-unix) |
40 | ||
9c519cf2 | 41 | (defcustom pcmpl-ssh-known-hosts-file "~/.ssh/known_hosts" |
1e2eefdd GM |
42 | "If non-nil, a string naming your SSH \"known_hosts\" file. |
43 | This allows completion of SSH host names. Note that newer | |
44 | versions of ssh hash the hosts by default to prevent | |
45 | Island-hopping SSH attacks. This can be disabled, at some risk, | |
46 | with the SSH option \"HashKnownHosts no\"." | |
47 | :type '(choice file (const nil)) | |
48 | :group 'pcmpl-unix | |
49 | :version "23.1") | |
9c519cf2 | 50 | |
4fa9f636 GM |
51 | ;; Functions: |
52 | ||
53 | ;;;###autoload | |
54 | (defun pcomplete/cd () | |
55 | "Completion for `cd'." | |
56 | (pcomplete-here (pcomplete-dirs))) | |
57 | ||
58 | ;;;###autoload | |
59 | (defalias 'pcomplete/pushd 'pcomplete/cd) | |
60 | ||
61 | ;;;###autoload | |
62 | (defun pcomplete/rmdir () | |
63 | "Completion for `rmdir'." | |
64 | (while (pcomplete-here (pcomplete-dirs)))) | |
65 | ||
66 | ;;;###autoload | |
67 | (defun pcomplete/rm () | |
68 | "Completion for `rm'." | |
69 | (let ((pcomplete-help "(fileutils)rm invocation")) | |
70 | (pcomplete-opt "dfirRv") | |
71 | (while (pcomplete-here (pcomplete-all-entries) nil | |
72 | 'expand-file-name)))) | |
73 | ||
74 | ;;;###autoload | |
75 | (defun pcomplete/xargs () | |
76 | "Completion for `xargs'." | |
77 | (pcomplete-here (funcall pcomplete-command-completion-function)) | |
78 | (funcall (or (pcomplete-find-completion-function (pcomplete-arg 1)) | |
79 | pcomplete-default-completion-function))) | |
80 | ||
81 | ;;;###autoload | |
82 | (defalias 'pcomplete/time 'pcomplete/xargs) | |
83 | ||
84 | ;;;###autoload | |
85 | (defun pcomplete/which () | |
86 | "Completion for `which'." | |
87 | (while (pcomplete-here (funcall pcomplete-command-completion-function)))) | |
88 | ||
89 | (defun pcmpl-unix-read-passwd-file (file) | |
90 | "Return an alist correlating gids to group names in FILE." | |
91 | (let (names) | |
92 | (when (file-readable-p file) | |
93 | (with-temp-buffer | |
94 | (insert-file-contents file) | |
95 | (goto-char (point-min)) | |
96 | (while (not (eobp)) | |
97 | (let* ((fields | |
98 | (split-string (buffer-substring | |
99 | (point) (progn (end-of-line) | |
100 | (point))) ":"))) | |
101 | (setq names (cons (nth 0 fields) names))) | |
102 | (forward-line)))) | |
103 | (pcomplete-uniqify-list names))) | |
104 | ||
105 | (defsubst pcmpl-unix-group-names () | |
106 | "Read the contents of /etc/group for group names." | |
107 | (if pcmpl-unix-group-file | |
108 | (pcmpl-unix-read-passwd-file pcmpl-unix-group-file))) | |
109 | ||
110 | (defsubst pcmpl-unix-user-names () | |
111 | "Read the contents of /etc/passwd for user names." | |
112 | (if pcmpl-unix-passwd-file | |
113 | (pcmpl-unix-read-passwd-file pcmpl-unix-passwd-file))) | |
114 | ||
115 | ;;;###autoload | |
116 | (defun pcomplete/chown () | |
117 | "Completion for the `chown' command." | |
118 | (unless (pcomplete-match "\\`-") | |
119 | (if (pcomplete-match "\\`[^.]*\\'" 0) | |
120 | (pcomplete-here* (pcmpl-unix-user-names)) | |
121 | (if (pcomplete-match "\\.\\([^.]*\\)\\'" 0) | |
122 | (pcomplete-here* (pcmpl-unix-group-names) | |
123 | (pcomplete-match-string 1 0)) | |
124 | (pcomplete-here*)))) | |
125 | (while (pcomplete-here (pcomplete-entries)))) | |
126 | ||
127 | ;;;###autoload | |
128 | (defun pcomplete/chgrp () | |
129 | "Completion for the `chgrp' command." | |
130 | (unless (pcomplete-match "\\`-") | |
131 | (pcomplete-here* (pcmpl-unix-group-names))) | |
132 | (while (pcomplete-here (pcomplete-entries)))) | |
133 | ||
1e2eefdd | 134 | |
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135 | ;; ssh support by Phil Hagelberg. |
136 | ;; http://www.emacswiki.org/cgi-bin/wiki/pcmpl-ssh.el | |
137 | ||
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138 | (defun pcmpl-ssh-hosts () |
139 | "Return a list of hosts found in `pcmpl-ssh-known-hosts-file'." | |
140 | (when (and pcmpl-ssh-known-hosts-file | |
141 | (file-readable-p pcmpl-ssh-known-hosts-file)) | |
142 | (with-temp-buffer | |
143 | (insert-file-contents-literally pcmpl-ssh-known-hosts-file) | |
144 | (let (ssh-hosts-list) | |
145 | (while (re-search-forward "^ *\\([-.[:alnum:]]+\\)[, ]" nil t) | |
146 | (add-to-list 'ssh-hosts-list (match-string 1)) | |
147 | (while (and (looking-back ",") | |
148 | (re-search-forward "\\([-.[:alnum:]]+\\)[, ]" | |
149 | (line-end-position) t)) | |
150 | (add-to-list 'ssh-hosts-list (match-string 1)))) | |
151 | ssh-hosts-list)))) | |
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152 | |
153 | ;;;###autoload | |
154 | (defun pcomplete/ssh () | |
155 | "Completion rules for the `ssh' command." | |
156 | (pcomplete-opt "1246AaCfgKkMNnqsTtVvXxYbcDeFiLlmOopRSw" nil t) | |
157 | (pcomplete-here (pcmpl-ssh-hosts))) | |
158 | ||
159 | ;;;###autoload | |
160 | (defun pcomplete/scp () | |
161 | "Completion rules for the `scp' command. | |
9c519cf2 GM |
162 | Includes files as well as host names followed by a colon." |
163 | (pcomplete-opt "1246BCpqrvcFiloPS") | |
164 | (while t (pcomplete-here (append (pcomplete-all-entries) | |
1e2eefdd GM |
165 | (mapcar (lambda (host) |
166 | (concat host ":")) | |
167 | (pcmpl-ssh-hosts)))))) | |
9c519cf2 | 168 | |
1e2eefdd GM |
169 | (provide 'pcmpl-unix) |
170 | ||
171 | ;; arch-tag: 3f9eb5af-7e0e-449d-b586-381cbbf8fc5c | |
4fa9f636 | 172 | ;;; pcmpl-unix.el ends here |