mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-27 07:37:33 +00:00
ba809612c0
2fcf2dfFix copyright years by hand26bed8bUpdate copyright year to 20192814292Fix value of default frame height. (Bug#33921)
221 lines
7.5 KiB
EmacsLisp
221 lines
7.5 KiB
EmacsLisp
;;; pcmpl-unix.el --- standard UNIX completions
|
|
|
|
;; Copyright (C) 1999-2019 Free Software Foundation, Inc.
|
|
|
|
;; Package: pcomplete
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; GNU Emacs is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(require 'pcomplete)
|
|
|
|
;; User Variables:
|
|
|
|
(defcustom pcmpl-unix-group-file "/etc/group"
|
|
"If non-nil, a string naming the group file on your system."
|
|
:type '(choice file (const nil))
|
|
:group 'pcmpl-unix)
|
|
|
|
(defcustom pcmpl-unix-passwd-file "/etc/passwd"
|
|
"If non-nil, a string naming the passwd file on your system."
|
|
:type '(choice file (const nil))
|
|
:group 'pcmpl-unix)
|
|
|
|
(defcustom pcmpl-ssh-known-hosts-file "~/.ssh/known_hosts"
|
|
"If non-nil, a string naming your SSH \"known_hosts\" file.
|
|
This allows one method of completion of SSH host names, the other
|
|
being via `pcmpl-ssh-config-file'. Note that newer versions of
|
|
ssh hash the hosts by default, to prevent Island-hopping SSH
|
|
attacks. This can be disabled, at some risk, with the SSH option
|
|
\"HashKnownHosts no\"."
|
|
:type '(choice file (const nil))
|
|
:group 'pcmpl-unix
|
|
:version "23.1")
|
|
|
|
(defcustom pcmpl-ssh-config-file "~/.ssh/config"
|
|
"If non-nil, a string naming your SSH \"config\" file.
|
|
This allows one method of completion of SSH host names, the other
|
|
being via `pcmpl-ssh-known-hosts-file'."
|
|
:type '(choice file (const nil))
|
|
:group 'pcmpl-unix
|
|
:version "24.1")
|
|
|
|
;; Functions:
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/cd ()
|
|
"Completion for `cd'."
|
|
(while (pcomplete-here (pcomplete-dirs))))
|
|
|
|
;;;###autoload
|
|
(defalias 'pcomplete/pushd 'pcomplete/cd)
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/rmdir ()
|
|
"Completion for `rmdir'."
|
|
(while (pcomplete-here (pcomplete-dirs))))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/rm ()
|
|
"Completion for `rm'."
|
|
(let ((pcomplete-help "(fileutils)rm invocation"))
|
|
(pcomplete-opt "dfirRv")
|
|
(while (pcomplete-here (pcomplete-all-entries) nil
|
|
'expand-file-name))))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/xargs ()
|
|
"Completion for `xargs'."
|
|
(pcomplete-here (funcall pcomplete-command-completion-function))
|
|
(funcall (or (pcomplete-find-completion-function (pcomplete-arg 1))
|
|
pcomplete-default-completion-function)))
|
|
|
|
;;;###autoload
|
|
(defalias 'pcomplete/time 'pcomplete/xargs)
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/which ()
|
|
"Completion for `which'."
|
|
(while (pcomplete-here (funcall pcomplete-command-completion-function))))
|
|
|
|
(defun pcmpl-unix-read-passwd-file (file)
|
|
"Return an alist correlating gids to group names in FILE.
|
|
|
|
If FILE is in hashed format (as described in the OpenSSH
|
|
documentation), this function returns nil."
|
|
(let (names)
|
|
(when (file-readable-p file)
|
|
(with-temp-buffer
|
|
(insert-file-contents file)
|
|
(goto-char (point-min))
|
|
(while (not (eobp))
|
|
(let* ((fields
|
|
(split-string (buffer-substring
|
|
(point) (progn (end-of-line)
|
|
(point))) ":")))
|
|
(setq names (cons (nth 0 fields) names)))
|
|
(forward-line))))
|
|
(pcomplete-uniquify-list names)))
|
|
|
|
(defsubst pcmpl-unix-group-names ()
|
|
"Read the contents of /etc/group for group names."
|
|
(if pcmpl-unix-group-file
|
|
(pcmpl-unix-read-passwd-file pcmpl-unix-group-file)))
|
|
|
|
(defsubst pcmpl-unix-user-names ()
|
|
"Read the contents of /etc/passwd for user names."
|
|
(if pcmpl-unix-passwd-file
|
|
(pcmpl-unix-read-passwd-file pcmpl-unix-passwd-file)))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/chown ()
|
|
"Completion for the `chown' command."
|
|
(unless (pcomplete-match "\\`-")
|
|
(if (pcomplete-match "\\`[^.]*\\'" 0)
|
|
(pcomplete-here* (pcmpl-unix-user-names))
|
|
(if (pcomplete-match "\\.\\([^.]*\\)\\'" 0)
|
|
(pcomplete-here* (pcmpl-unix-group-names)
|
|
(pcomplete-match-string 1 0))
|
|
(pcomplete-here*))))
|
|
(while (pcomplete-here (pcomplete-entries))))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/chgrp ()
|
|
"Completion for the `chgrp' command."
|
|
(unless (pcomplete-match "\\`-")
|
|
(pcomplete-here* (pcmpl-unix-group-names)))
|
|
(while (pcomplete-here (pcomplete-entries))))
|
|
|
|
|
|
;; ssh support by Phil Hagelberg.
|
|
;; http://www.emacswiki.org/cgi-bin/wiki/pcmpl-ssh.el
|
|
|
|
(defun pcmpl-ssh-known-hosts ()
|
|
"Return a list of hosts found in `pcmpl-ssh-known-hosts-file'."
|
|
(when (and pcmpl-ssh-known-hosts-file
|
|
(file-readable-p pcmpl-ssh-known-hosts-file))
|
|
(with-temp-buffer
|
|
(insert-file-contents-literally pcmpl-ssh-known-hosts-file)
|
|
(let ((host-re "\\(?:\\([-.[:alnum:]]+\\)\\|\\[\\([-.[:alnum:]]+\\)\\]:[0-9]+\\)[, ]")
|
|
ssh-hosts-list)
|
|
(while (re-search-forward (concat "^ *" host-re) nil t)
|
|
(add-to-list 'ssh-hosts-list (concat (match-string 1)
|
|
(match-string 2)))
|
|
(while (and (eq (char-before) ?,)
|
|
(re-search-forward host-re (line-end-position) t))
|
|
(add-to-list 'ssh-hosts-list (concat (match-string 1)
|
|
(match-string 2)))))
|
|
ssh-hosts-list))))
|
|
|
|
(defun pcmpl-ssh-config-hosts ()
|
|
"Return a list of hosts found in `pcmpl-ssh-config-file'."
|
|
(when (and pcmpl-ssh-config-file
|
|
(file-readable-p pcmpl-ssh-config-file))
|
|
(with-temp-buffer
|
|
(insert-file-contents-literally pcmpl-ssh-config-file)
|
|
(let (ssh-hosts-list
|
|
(case-fold-search t))
|
|
(while (re-search-forward "^ *host\\(name\\)? +\\([-.[:alnum:]]+\\)"
|
|
nil t)
|
|
(add-to-list 'ssh-hosts-list (match-string 2)))
|
|
ssh-hosts-list))))
|
|
|
|
(defun pcmpl-ssh-hosts ()
|
|
"Return a list of known SSH hosts.
|
|
Uses both `pcmpl-ssh-config-file' and `pcmpl-ssh-known-hosts-file'."
|
|
(let ((hosts (pcmpl-ssh-known-hosts)))
|
|
(dolist (h (pcmpl-ssh-config-hosts))
|
|
(add-to-list 'hosts h))
|
|
hosts))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/ssh ()
|
|
"Completion rules for the `ssh' command."
|
|
(pcomplete-opt "1246AaCfgKkMNnqsTtVvXxYbcDeFiLlmOopRSw")
|
|
(pcomplete-here (pcmpl-ssh-hosts)))
|
|
|
|
;;;###autoload
|
|
(defun pcomplete/scp ()
|
|
"Completion rules for the `scp' command.
|
|
Includes files as well as host names followed by a colon."
|
|
(pcomplete-opt "1246BCpqrvcFiloPS")
|
|
(while t (pcomplete-here
|
|
(lambda (string pred action)
|
|
(let ((table
|
|
(cond
|
|
((string-match "\\`[^:/]+:" string) ; Remote file name.
|
|
(if (and (eq action 'lambda)
|
|
(eq (match-end 0) (length string)))
|
|
;; Avoid connecting to the remote host when we're
|
|
;; only completing the host name.
|
|
(list string)
|
|
(completion-table-subvert (pcomplete-all-entries)
|
|
"" "/ssh:")))
|
|
((string-match "/" string) ; Local file name.
|
|
(pcomplete-all-entries))
|
|
(t ;Host name or local file name.
|
|
(append (all-completions string (pcomplete-all-entries))
|
|
(mapcar (lambda (host) (concat host ":"))
|
|
(pcmpl-ssh-hosts)))))))
|
|
(complete-with-action action table string pred))))))
|
|
|
|
(provide 'pcmpl-unix)
|
|
|
|
;;; pcmpl-unix.el ends here
|