pcmpl-cvs.el 6.55 KB
Newer Older
1
;;; pcmpl-cvs.el --- functions for dealing with cvs completions
Gerd Moellmann's avatar
Gerd Moellmann committed
2

3
;; Copyright (C) 1999-2011 Free Software Foundation, Inc.
4 5

;; Author: John Wiegley <johnw@gnu.org>
6
;; Package: pcomplete
Gerd Moellmann's avatar
Gerd Moellmann committed
7 8 9

;; This file is part of GNU Emacs.

10
;; GNU Emacs is free software: you can redistribute it and/or modify
Gerd Moellmann's avatar
Gerd Moellmann committed
11
;; it under the terms of the GNU General Public License as published by
12 13
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
Gerd Moellmann's avatar
Gerd Moellmann committed
14 15 16 17 18 19 20

;; 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
21
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
Gerd Moellmann's avatar
Gerd Moellmann committed
22 23 24 25 26 27 28 29 30 31 32 33 34

;;; Commentary:

;; These functions provide completion rules for the `cvs' tool.

;;; Code:

(provide 'pcmpl-cvs)

(require 'pcomplete)
(require 'executable)

(defgroup pcmpl-cvs nil
35
  "Functions for dealing with CVS completions."
Gerd Moellmann's avatar
Gerd Moellmann committed
36 37 38 39 40
  :group 'pcomplete)

;; User Variables:

(defcustom pcmpl-cvs-binary (or (executable-find "cvs") "cvs")
Lute Kamstra's avatar
Lute Kamstra committed
41
  "The full path of the 'cvs' binary."
Gerd Moellmann's avatar
Gerd Moellmann committed
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
  :type 'file
  :group 'pcmpl-cvs)

;; Functions:

;;;###autoload
(defun pcomplete/cvs ()
  "Completion rules for the `cvs' command."
  (let ((pcomplete-help "(cvs)Invoking CVS"))
    (pcomplete-opt "HQqrwlntvfab/T/e*d/z?s")
    (pcomplete-here* (pcmpl-cvs-commands))
    (cond ((pcomplete-test "add")
	   (setq pcomplete-help "(cvs)Adding files")
	   (pcomplete-opt "k?m?")
	   (while (pcomplete-here (pcmpl-cvs-entries '(??)))))
	  ((pcomplete-test "remove")
	   (setq pcomplete-help "(cvs)Removing files")
	   (pcomplete-opt "flR")
	   (while (pcomplete-here (pcmpl-cvs-entries '(?U)))))
	  ((pcomplete-test "init")
	   (setq pcomplete-help "(cvs)Creating a repository"))
	  ((pcomplete-test '("login" "logout"))
	   (setq pcomplete-help "(cvs)Password authentication client"))
	  ((pcomplete-test "import")
	   (setq pcomplete-help "(cvs)import")
	   (pcomplete-opt "dk?I(pcmpl-cvs-entries '(??))b?m?W?"))
	  ((pcomplete-test "checkout")
	   (setq pcomplete-help "(cvs)checkout")
	   (pcomplete-opt "ANPRcflnpsr?D?d/k?j?")
	   (pcomplete-here (pcmpl-cvs-modules)))
	  ((pcomplete-test "rtag")
	   (setq pcomplete-help "(cvs)Creating a branch")
	   (pcomplete-opt "aflRndbr?DF")
	   (pcomplete-here (pcmpl-cvs-modules)))
	  ((pcomplete-test "release")
	   (setq pcomplete-help "(cvs)release")
	   (pcomplete-opt "d")
	   (while (pcomplete-here (pcomplete-dirs))))
	  ((pcomplete-test "export")
	   (setq pcomplete-help "(cvs)export")
	   (pcomplete-opt "NflRnr?D?d/k?")
	   (pcomplete-here (pcmpl-cvs-modules)))
	  ((pcomplete-test "commit")
	   (setq pcomplete-help "(cvs)commit files")
	   (pcomplete-opt "nRlfF.m?r(pcmpl-cvs-tags '(?M ?R ?A))")
	   (while (pcomplete-here (pcmpl-cvs-entries '(?M ?R ?A)))))
	  ((pcomplete-test "diff")
	   (setq pcomplete-help "(cvs)Viewing differences")
	   (let ((opt-index pcomplete-index)
		 saw-backdate)
	     (pcomplete-opt "lRD?Nr(pcmpl-cvs-tags)")
	     (while (< opt-index pcomplete-index)
	       (if (pcomplete-match "^-[Dr]" (- pcomplete-index opt-index))
		   (setq saw-backdate t opt-index pcomplete-index)
		 (setq opt-index (1+ opt-index))))
	     (while (pcomplete-here
		     (pcmpl-cvs-entries (unless saw-backdate '(?M)))))))
	  ((pcomplete-test "unedit")
	   (setq pcomplete-help "(cvs)Editing files")
	   (pcomplete-opt "lR")
	   (while (pcomplete-here (pcmpl-cvs-entries '(?M ?R ?A)))))
	  ((pcomplete-test "update")
	   (setq pcomplete-help "(cvs)update")
	   (pcomplete-opt
	    (concat "APdflRpk?r(pcmpl-cvs-tags '(?U ?P))D?"
		    "j(pcmpl-cvs-tags '(?U ?P))"
		    "I(pcmpl-cvs-entries '(??))W?"))
	   (while (pcomplete-here (pcmpl-cvs-entries '(?U ?P)))))
110 111 112 113
	  ((pcomplete-test "status")
	   (setq pcomplete-help "(cvs)File status")
	   (pcomplete-opt "vlR")
	   (while (pcomplete-here (pcmpl-cvs-entries))))
Gerd Moellmann's avatar
Gerd Moellmann committed
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
	  (t
	   (while (pcomplete-here (pcmpl-cvs-entries)))))))

(defun pcmpl-cvs-commands ()
  "Return a list of available CVS commands."
  (with-temp-buffer
    (call-process pcmpl-cvs-binary nil t nil "--help-commands")
    (goto-char (point-min))
    (let (cmds)
      (while (re-search-forward "^\\s-+\\([a-z]+\\)" nil t)
	(setq cmds (cons (match-string 1) cmds)))
      (pcomplete-uniqify-list cmds))))

(defun pcmpl-cvs-modules ()
  "Return a list of available modules under CVS."
  (with-temp-buffer
    (call-process pcmpl-cvs-binary nil t nil "checkout" "-c")
    (goto-char (point-min))
    (let (entries)
      (while (re-search-forward "\\(\\S-+\\)$" nil t)
	(setq entries (cons (match-string 1) entries)))
      (pcomplete-uniqify-list entries))))

(defun pcmpl-cvs-tags (&optional opers)
  "Return all the tags which could apply to the files related to OPERS."
  (let ((entries (pcmpl-cvs-entries opers))
	tags)
    (with-temp-buffer
      (apply 'call-process pcmpl-cvs-binary nil t nil
	     "status" "-v" entries)
      (goto-char (point-min))
      (while (re-search-forward "Existing Tags:" nil t)
	(forward-line)
	(while (not (looking-at "^$"))
	  (unless (looking-at "^\\s-+\\(\\S-+\\)\\s-+")
	    (error "Error in output from `cvs status -v'"))
	  (setq tags (cons (match-string 1) tags))
	  (forward-line))))
    (pcomplete-uniqify-list tags)))

(defun pcmpl-cvs-entries (&optional opers)
  "Return the Entries for the current directory.
If OPERS is a list of characters, return entries for which that
operation character applies, as displayed by 'cvs -n update'."
  (let* ((arg (pcomplete-arg))
	 (dir (file-name-as-directory
	       (or (file-name-directory arg) "")))
	 (nondir (or (file-name-nondirectory arg) ""))
	 entries)
    (if opers
	(with-temp-buffer
	  (and dir (cd dir))
	  (call-process pcmpl-cvs-binary nil t nil
			"-q" "-n" "-f" "update"); "-l")
	  (goto-char (point-min))
	  (while (re-search-forward "^\\(.\\) \\(.+\\)$" nil t)
	    (if (memq (string-to-char (match-string 1)) opers)
		(setq entries (cons (match-string 2) entries)))))
      (with-temp-buffer
	(insert-file-contents (concat dir "CVS/Entries"))
	(goto-char (point-min))
	(while (not (eobp))
Glenn Morris's avatar
Glenn Morris committed
176 177 178 179 180 181 182
	  ;; Normal file: /NAME   -> "" "NAME"
	  ;; Directory  : D/NAME  -> "D" "NAME"
	  (let* ((fields (split-string (buffer-substring
					(line-beginning-position)
					(line-end-position))
				       "/"))
		 (text (nth 1 fields)))
Gerd Moellmann's avatar
Gerd Moellmann committed
183 184 185 186 187 188 189 190 191
	    (when text
	      (if (string= (nth 0 fields) "D")
		  (setq text (file-name-as-directory text)))
	      (setq entries (cons text entries))))
	  (forward-line))))
    (setq pcomplete-stub nondir)
    (pcomplete-uniqify-list entries)))

;;; pcmpl-cvs.el ends here