| 1 | ;;; pcmpl-cvs.el --- functions for dealing with cvs completions |
| 2 | |
| 3 | ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, |
| 4 | ;; 2005, 2006, 2007 Free Software Foundation, Inc. |
| 5 | |
| 6 | ;; Author: John Wiegley <johnw@gnu.org> |
| 7 | |
| 8 | ;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation; either version 3, or (at your option) |
| 13 | ;; any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 23 | ;; Boston, MA 02110-1301, USA. |
| 24 | |
| 25 | ;;; Commentary: |
| 26 | |
| 27 | ;; These functions provide completion rules for the `cvs' tool. |
| 28 | |
| 29 | ;;; Code: |
| 30 | |
| 31 | (provide 'pcmpl-cvs) |
| 32 | |
| 33 | (require 'pcomplete) |
| 34 | (require 'executable) |
| 35 | |
| 36 | (defgroup pcmpl-cvs nil |
| 37 | "Functions for dealing with CVS completions." |
| 38 | :group 'pcomplete) |
| 39 | |
| 40 | ;; User Variables: |
| 41 | |
| 42 | (defcustom pcmpl-cvs-binary (or (executable-find "cvs") "cvs") |
| 43 | "*The full path of the 'cvs' binary." |
| 44 | :type 'file |
| 45 | :group 'pcmpl-cvs) |
| 46 | |
| 47 | ;; Functions: |
| 48 | |
| 49 | ;;;###autoload |
| 50 | (defun pcomplete/cvs () |
| 51 | "Completion rules for the `cvs' command." |
| 52 | (let ((pcomplete-help "(cvs)Invoking CVS")) |
| 53 | (pcomplete-opt "HQqrwlntvfab/T/e*d/z?s") |
| 54 | (pcomplete-here* (pcmpl-cvs-commands)) |
| 55 | (cond ((pcomplete-test "add") |
| 56 | (setq pcomplete-help "(cvs)Adding files") |
| 57 | (pcomplete-opt "k?m?") |
| 58 | (while (pcomplete-here (pcmpl-cvs-entries '(??))))) |
| 59 | ((pcomplete-test "remove") |
| 60 | (setq pcomplete-help "(cvs)Removing files") |
| 61 | (pcomplete-opt "flR") |
| 62 | (while (pcomplete-here (pcmpl-cvs-entries '(?U))))) |
| 63 | ((pcomplete-test "init") |
| 64 | (setq pcomplete-help "(cvs)Creating a repository")) |
| 65 | ((pcomplete-test '("login" "logout")) |
| 66 | (setq pcomplete-help "(cvs)Password authentication client")) |
| 67 | ((pcomplete-test "import") |
| 68 | (setq pcomplete-help "(cvs)import") |
| 69 | (pcomplete-opt "dk?I(pcmpl-cvs-entries '(??))b?m?W?")) |
| 70 | ((pcomplete-test "checkout") |
| 71 | (setq pcomplete-help "(cvs)checkout") |
| 72 | (pcomplete-opt "ANPRcflnpsr?D?d/k?j?") |
| 73 | (pcomplete-here (pcmpl-cvs-modules))) |
| 74 | ((pcomplete-test "rtag") |
| 75 | (setq pcomplete-help "(cvs)Creating a branch") |
| 76 | (pcomplete-opt "aflRndbr?DF") |
| 77 | (pcomplete-here (pcmpl-cvs-modules))) |
| 78 | ((pcomplete-test "release") |
| 79 | (setq pcomplete-help "(cvs)release") |
| 80 | (pcomplete-opt "d") |
| 81 | (while (pcomplete-here (pcomplete-dirs)))) |
| 82 | ((pcomplete-test "export") |
| 83 | (setq pcomplete-help "(cvs)export") |
| 84 | (pcomplete-opt "NflRnr?D?d/k?") |
| 85 | (pcomplete-here (pcmpl-cvs-modules))) |
| 86 | ((pcomplete-test "commit") |
| 87 | (setq pcomplete-help "(cvs)commit files") |
| 88 | (pcomplete-opt "nRlfF.m?r(pcmpl-cvs-tags '(?M ?R ?A))") |
| 89 | (while (pcomplete-here (pcmpl-cvs-entries '(?M ?R ?A))))) |
| 90 | ((pcomplete-test "diff") |
| 91 | (setq pcomplete-help "(cvs)Viewing differences") |
| 92 | (let ((opt-index pcomplete-index) |
| 93 | saw-backdate) |
| 94 | (pcomplete-opt "lRD?Nr(pcmpl-cvs-tags)") |
| 95 | (while (< opt-index pcomplete-index) |
| 96 | (if (pcomplete-match "^-[Dr]" (- pcomplete-index opt-index)) |
| 97 | (setq saw-backdate t opt-index pcomplete-index) |
| 98 | (setq opt-index (1+ opt-index)))) |
| 99 | (while (pcomplete-here |
| 100 | (pcmpl-cvs-entries (unless saw-backdate '(?M))))))) |
| 101 | ((pcomplete-test "unedit") |
| 102 | (setq pcomplete-help "(cvs)Editing files") |
| 103 | (pcomplete-opt "lR") |
| 104 | (while (pcomplete-here (pcmpl-cvs-entries '(?M ?R ?A))))) |
| 105 | ((pcomplete-test "update") |
| 106 | (setq pcomplete-help "(cvs)update") |
| 107 | (pcomplete-opt |
| 108 | (concat "APdflRpk?r(pcmpl-cvs-tags '(?U ?P))D?" |
| 109 | "j(pcmpl-cvs-tags '(?U ?P))" |
| 110 | "I(pcmpl-cvs-entries '(??))W?")) |
| 111 | (while (pcomplete-here (pcmpl-cvs-entries '(?U ?P))))) |
| 112 | (t |
| 113 | (while (pcomplete-here (pcmpl-cvs-entries))))))) |
| 114 | |
| 115 | (defun pcmpl-cvs-commands () |
| 116 | "Return a list of available CVS commands." |
| 117 | (with-temp-buffer |
| 118 | (call-process pcmpl-cvs-binary nil t nil "--help-commands") |
| 119 | (goto-char (point-min)) |
| 120 | (let (cmds) |
| 121 | (while (re-search-forward "^\\s-+\\([a-z]+\\)" nil t) |
| 122 | (setq cmds (cons (match-string 1) cmds))) |
| 123 | (pcomplete-uniqify-list cmds)))) |
| 124 | |
| 125 | (defun pcmpl-cvs-modules () |
| 126 | "Return a list of available modules under CVS." |
| 127 | (with-temp-buffer |
| 128 | (call-process pcmpl-cvs-binary nil t nil "checkout" "-c") |
| 129 | (goto-char (point-min)) |
| 130 | (let (entries) |
| 131 | (while (re-search-forward "\\(\\S-+\\)$" nil t) |
| 132 | (setq entries (cons (match-string 1) entries))) |
| 133 | (pcomplete-uniqify-list entries)))) |
| 134 | |
| 135 | (defun pcmpl-cvs-tags (&optional opers) |
| 136 | "Return all the tags which could apply to the files related to OPERS." |
| 137 | (let ((entries (pcmpl-cvs-entries opers)) |
| 138 | tags) |
| 139 | (with-temp-buffer |
| 140 | (apply 'call-process pcmpl-cvs-binary nil t nil |
| 141 | "status" "-v" entries) |
| 142 | (goto-char (point-min)) |
| 143 | (while (re-search-forward "Existing Tags:" nil t) |
| 144 | (forward-line) |
| 145 | (while (not (looking-at "^$")) |
| 146 | (unless (looking-at "^\\s-+\\(\\S-+\\)\\s-+") |
| 147 | (error "Error in output from `cvs status -v'")) |
| 148 | (setq tags (cons (match-string 1) tags)) |
| 149 | (forward-line)))) |
| 150 | (pcomplete-uniqify-list tags))) |
| 151 | |
| 152 | (defun pcmpl-cvs-entries (&optional opers) |
| 153 | "Return the Entries for the current directory. |
| 154 | If OPERS is a list of characters, return entries for which that |
| 155 | operation character applies, as displayed by 'cvs -n update'." |
| 156 | (let* ((arg (pcomplete-arg)) |
| 157 | (dir (file-name-as-directory |
| 158 | (or (file-name-directory arg) ""))) |
| 159 | (nondir (or (file-name-nondirectory arg) "")) |
| 160 | entries) |
| 161 | (if opers |
| 162 | (with-temp-buffer |
| 163 | (and dir (cd dir)) |
| 164 | (call-process pcmpl-cvs-binary nil t nil |
| 165 | "-q" "-n" "-f" "update"); "-l") |
| 166 | (goto-char (point-min)) |
| 167 | (while (re-search-forward "^\\(.\\) \\(.+\\)$" nil t) |
| 168 | (if (memq (string-to-char (match-string 1)) opers) |
| 169 | (setq entries (cons (match-string 2) entries))))) |
| 170 | (with-temp-buffer |
| 171 | (insert-file-contents (concat dir "CVS/Entries")) |
| 172 | (goto-char (point-min)) |
| 173 | (while (not (eobp)) |
| 174 | (let* ((line (buffer-substring (line-beginning-position) |
| 175 | (line-end-position))) |
| 176 | (fields (split-string line "/")) |
| 177 | text) |
| 178 | (if (eq (aref line 0) ?/) |
| 179 | (setq fields (cons "" fields))) |
| 180 | (setq text (nth 1 fields)) |
| 181 | (when text |
| 182 | (if (string= (nth 0 fields) "D") |
| 183 | (setq text (file-name-as-directory text))) |
| 184 | (setq entries (cons text entries)))) |
| 185 | (forward-line)))) |
| 186 | (setq pcomplete-stub nondir) |
| 187 | (pcomplete-uniqify-list entries))) |
| 188 | |
| 189 | ;;; arch-tag: d2aeac43-4bf5-4509-a496-74b863c6642b |
| 190 | ;;; pcmpl-cvs.el ends here |