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annotate contrib/mq.el @ 5278:70e9a527cc61

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convert: avoid dirstate checks; add a test During a conversion, the dirstate contents are not consistent - there are files that may be missing from the dirstate and there may be files that shouldn't be in the dirstate. While this is not fixed, don't mark files as added - put them directly in state 'n'ormal.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Sat, 01 Sep 2007 02:49:18 -0300
parents ea7b982b6c08
children 9873cbb134b2
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1 ;;; mq.el --- Emacs support for Mercurial Queues
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2
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3 ;; Copyright (C) 2006 Bryan O'Sullivan
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4
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5 ;; Author: Bryan O'Sullivan <bos@serpentine.com>
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6
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7 ;; mq.el is free software; you can redistribute it and/or modify it
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8 ;; under the terms of version 2 of the GNU General Public License as
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9 ;; published by the Free Software Foundation.
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10
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11 ;; mq.el is distributed in the hope that it will be useful, but
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12 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ;; General Public License for more details.
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15
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16 ;; You should have received a copy of the GNU General Public License
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17 ;; along with mq.el, GNU Emacs, or XEmacs; see the file COPYING (`C-h
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18 ;; C-l'). If not, write to the Free Software Foundation, Inc., 59
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19 ;; Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 (require 'mercurial)
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22
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23
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24 (defcustom mq-mode-hook nil
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25 "Hook run when a buffer enters mq-mode."
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26 :type 'sexp
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27 :group 'mercurial)
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28
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29 (defcustom mq-global-prefix "\C-cq"
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30 "The global prefix for Mercurial Queues keymap bindings."
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31 :type 'sexp
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32 :group 'mercurial)
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33
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34 (defcustom mq-edit-mode-hook nil
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35 "Hook run after a buffer is populated to edit a patch description."
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36 :type 'sexp
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37 :group 'mercurial)
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38
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39 (defcustom mq-edit-finish-hook nil
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40 "Hook run before a patch description is finished up with."
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41 :type 'sexp
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42 :group 'mercurial)
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43
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44 (defcustom mq-signoff-address nil
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45 "Address with which to sign off on a patch."
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46 :type 'string
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47 :group 'mercurial)
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49
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50 ;;; Internal variables.
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51
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52 (defvar mq-mode nil
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53 "Is this file managed by MQ?")
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54 (make-variable-buffer-local 'mq-mode)
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55 (put 'mq-mode 'permanent-local t)
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56
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57 (defvar mq-patch-history nil)
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58
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59 (defvar mq-top-patch '(nil))
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60
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61 (defvar mq-prev-buffer nil)
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62 (make-variable-buffer-local 'mq-prev-buffer)
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63 (put 'mq-prev-buffer 'permanent-local t)
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64
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65
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66 ;;; Global keymap.
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67
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68 (defvar mq-global-map (make-sparse-keymap))
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69 (fset 'mq-global-map mq-global-map)
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70 (global-set-key mq-global-prefix 'mq-global-map)
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71 (define-key mq-global-map "." 'mq-push)
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72 (define-key mq-global-map ">" 'mq-push-all)
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73 (define-key mq-global-map "," 'mq-pop)
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74 (define-key mq-global-map "<" 'mq-pop-all)
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75 (define-key mq-global-map "=" 'mq-diff)
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76 (define-key mq-global-map "r" 'mq-refresh)
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77 (define-key mq-global-map "e" 'mq-refresh-edit)
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78 (define-key mq-global-map "i" 'mq-new)
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79 (define-key mq-global-map "n" 'mq-next)
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80 (define-key mq-global-map "o" 'mq-signoff)
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81 (define-key mq-global-map "p" 'mq-previous)
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82 (define-key mq-global-map "s" 'mq-edit-series)
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83 (define-key mq-global-map "t" 'mq-top)
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84
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85 (add-minor-mode 'mq-mode 'mq-mode)
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86
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87
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88 ;;; Refresh edit mode keymap.
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89
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90 (defvar mq-edit-mode-map (make-sparse-keymap))
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91 (define-key mq-edit-mode-map "\C-c\C-c" 'mq-edit-finish)
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92 (define-key mq-edit-mode-map "\C-c\C-k" 'mq-edit-kill)
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93 (define-key mq-edit-mode-map "\C-c\C-s" 'mq-signoff)
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94
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95
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96 ;;; Helper functions.
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97
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98 (defun mq-read-patch-name (&optional source prompt force)
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99 "Read a patch name to use with a command.
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100 May return nil, meaning \"use the default\"."
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101 (let ((patches (split-string
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102 (hg-chomp (hg-run0 (or source "qseries"))) "\n")))
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103 (when force
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104 (completing-read (format "Patch%s: " (or prompt ""))
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105 (map 'list 'cons patches patches)
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106 nil
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107 nil
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108 nil
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109 'mq-patch-history))))
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110
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111 (defun mq-refresh-buffers (root)
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112 (save-excursion
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113 (dolist (buf (hg-buffers-visiting-repo root))
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114 (when (not (verify-visited-file-modtime buf))
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115 (set-buffer buf)
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116 (let ((ctx (hg-buffer-context)))
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117 (message "Refreshing %s..." (buffer-name))
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118 (revert-buffer t t t)
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119 (hg-restore-context ctx)
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120 (message "Refreshing %s...done" (buffer-name))))))
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121 (hg-update-mode-lines root)
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122 (mq-update-mode-lines root))
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123
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124 (defun mq-last-line ()
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125 (goto-char (point-max))
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126 (beginning-of-line)
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127 (when (looking-at "^$")
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128 (forward-line -1))
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129 (let ((bol (point)))
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130 (end-of-line)
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131 (let ((line (buffer-substring bol (point))))
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132 (when (> (length line) 0)
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133 line))))
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134
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135 (defun mq-push (&optional patch)
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136 "Push patches until PATCH is reached.
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137 If PATCH is nil, push at most one patch."
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138 (interactive (list (mq-read-patch-name "qunapplied" " to push"
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139 current-prefix-arg)))
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140 (let ((root (hg-root))
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141 (prev-buf (current-buffer))
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142 last-line ok)
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143 (unless root
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144 (error "Cannot push outside a repository!"))
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145 (hg-sync-buffers root)
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146 (let ((buf-name (format "MQ: Push %s" (or patch "next patch"))))
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147 (kill-buffer (get-buffer-create buf-name))
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148 (split-window-vertically)
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149 (other-window 1)
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150 (switch-to-buffer (get-buffer-create buf-name))
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151 (cd root)
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152 (message "Pushing...")
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153 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpush"
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154 (if patch (list patch))))
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155 last-line (mq-last-line))
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156 (let ((lines (count-lines (point-min) (point-max))))
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157 (if (or (<= lines 1)
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158 (and (equal lines 2) (string-match "Now at:" last-line)))
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159 (progn
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160 (kill-buffer (current-buffer))
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161 (delete-window))
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162 (hg-view-mode prev-buf))))
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163 (mq-refresh-buffers root)
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164 (sit-for 0)
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165 (when last-line
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166 (if ok
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167 (message "Pushing... %s" last-line)
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168 (error "Pushing... %s" last-line)))))
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169
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170 (defun mq-push-all ()
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171 "Push patches until all are applied."
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172 (interactive)
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173 (mq-push "-a"))
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174
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175 (defun mq-pop (&optional patch)
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176 "Pop patches until PATCH is reached.
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177 If PATCH is nil, pop at most one patch."
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178 (interactive (list (mq-read-patch-name "qapplied" " to pop to"
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179 current-prefix-arg)))
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180 (let ((root (hg-root))
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181 last-line ok)
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182 (unless root
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183 (error "Cannot pop outside a repository!"))
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184 (hg-sync-buffers root)
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185 (set-buffer (generate-new-buffer "qpop"))
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186 (cd root)
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187 (message "Popping...")
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188 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpop"
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189 (if patch (list patch))))
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190 last-line (mq-last-line))
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191 (kill-buffer (current-buffer))
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192 (mq-refresh-buffers root)
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193 (sit-for 0)
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194 (when last-line
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195 (if ok
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196 (message "Popping... %s" last-line)
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197 (error "Popping... %s" last-line)))))
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198
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199 (defun mq-pop-all ()
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200 "Push patches until none are applied."
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201 (interactive)
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202 (mq-pop "-a"))
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203
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204 (defun mq-refresh-internal (root &rest args)
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205 (hg-sync-buffers root)
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206 (let ((patch (mq-patch-info "qtop")))
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207 (message "Refreshing %s..." patch)
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208 (let ((ret (apply 'hg-run "qrefresh" args)))
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209 (if (equal (car ret) 0)
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210 (message "Refreshing %s... done." patch)
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211 (error "Refreshing %s... %s" patch (hg-chomp (cdr ret)))))))
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212
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213 (defun mq-refresh (&optional git)
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214 "Refresh the topmost applied patch.
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215 With a prefix argument, generate a git-compatible patch."
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216 (interactive "P")
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217 (let ((root (hg-root)))
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218 (unless root
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219 (error "Cannot refresh outside of a repository!"))
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220 (apply 'mq-refresh-internal root (if git '("--git")))))
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221
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222 (defun mq-patch-info (cmd &optional msg)
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223 (let* ((ret (hg-run cmd))
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224 (info (hg-chomp (cdr ret))))
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225 (if (equal (car ret) 0)
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226 (if msg
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227 (message "%s patch: %s" msg info)
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228 info)
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229 (error "%s" info))))
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230
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231 (defun mq-top ()
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232 "Print the name of the topmost applied patch."
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233 (interactive)
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234 (mq-patch-info "qtop" "Top"))
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235
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236 (defun mq-next ()
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237 "Print the name of the next patch to be pushed."
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238 (interactive)
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239 (mq-patch-info "qnext" "Next"))
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240
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241 (defun mq-previous ()
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242 "Print the name of the first patch below the topmost applied patch.
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243 This would become the active patch if popped to."
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244 (interactive)
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245 (mq-patch-info "qprev" "Previous"))
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246
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247 (defun mq-edit-finish ()
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248 "Finish editing the description of this patch, and refresh the patch."
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249 (interactive)
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250 (unless (equal (mq-patch-info "qtop") mq-top)
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251 (error "Topmost patch has changed!"))
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252 (hg-sync-buffers hg-root)
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253 (run-hooks 'mq-edit-finish-hook)
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254 (mq-refresh-internal hg-root "-m" (buffer-substring (point-min) (point-max)))
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255 (let ((buf mq-prev-buffer))
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256 (kill-buffer nil)
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257 (switch-to-buffer buf)))
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258
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259 (defun mq-edit-kill ()
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260 "Kill the edit currently being prepared."
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261 (interactive)
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262 (when (or (not (buffer-modified-p)) (y-or-n-p "Really kill this edit? "))
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263 (let ((buf mq-prev-buffer))
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264 (kill-buffer nil)
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265 (switch-to-buffer buf))))
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266
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267 (defun mq-get-top (root)
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268 (let ((entry (assoc root mq-top-patch)))
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269 (if entry
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270 (cdr entry))))
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271
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272 (defun mq-set-top (root patch)
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273 (let ((entry (assoc root mq-top-patch)))
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274 (if entry
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275 (if patch
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276 (setcdr entry patch)
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277 (setq mq-top-patch (delq entry mq-top-patch)))
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278 (setq mq-top-patch (cons (cons root patch) mq-top-patch)))))
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279
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280 (defun mq-update-mode-lines (root)
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281 (let ((cwd default-directory))
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282 (cd root)
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283 (condition-case nil
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284 (mq-set-top root (mq-patch-info "qtop"))
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285 (error (mq-set-top root nil)))
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286 (cd cwd))
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287 (let ((patch (mq-get-top root)))
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288 (save-excursion
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289 (dolist (buf (hg-buffers-visiting-repo root))
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290 (set-buffer buf)
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291 (if mq-mode
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292 (setq mq-mode (or (and patch (concat " MQ:" patch)) " MQ")))))))
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293
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294 (defun mq-mode (&optional arg)
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295 "Minor mode for Mercurial repositories with an MQ patch queue"
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296 (interactive "i")
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297 (cond ((hg-root)
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298 (setq mq-mode (if (null arg) (not mq-mode)
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299 arg))
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300 (mq-update-mode-lines (hg-root))))
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301 (run-hooks 'mq-mode-hook))
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302
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303 (defun mq-edit-mode ()
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304 "Mode for editing the description of a patch.
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305
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306 Key bindings
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307 ------------
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308 \\[mq-edit-finish] use this description
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309 \\[mq-edit-kill] abandon this description"
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310 (interactive)
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311 (use-local-map mq-edit-mode-map)
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312 (set-syntax-table text-mode-syntax-table)
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313 (setq local-abbrev-table text-mode-abbrev-table
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314 major-mode 'mq-edit-mode
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315 mode-name "MQ-Edit")
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316 (set-buffer-modified-p nil)
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317 (setq buffer-undo-list nil)
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318 (run-hooks 'text-mode-hook 'mq-edit-mode-hook))
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319
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320 (defun mq-refresh-edit ()
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321 "Refresh the topmost applied patch, editing the patch description."
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322 (interactive)
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323 (while mq-prev-buffer
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324 (set-buffer mq-prev-buffer))
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325 (let ((root (hg-root))
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326 (prev-buffer (current-buffer))
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327 (patch (mq-patch-info "qtop")))
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328 (hg-sync-buffers root)
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329 (let ((buf-name (format "*MQ: Edit description of %s*" patch)))
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330 (switch-to-buffer (get-buffer-create buf-name))
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331 (when (= (point-min) (point-max))
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332 (set (make-local-variable 'hg-root) root)
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333 (set (make-local-variable 'mq-top) patch)
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334 (setq mq-prev-buffer prev-buffer)
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335 (insert (hg-run0 "qheader"))
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336 (goto-char (point-min)))
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337 (mq-edit-mode)
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338 (cd root)))
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339 (message "Type `C-c C-c' to finish editing and refresh the patch."))
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340
4422
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341 (defun mq-new (name)
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342 "Create a new empty patch named NAME.
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343 The patch is applied on top of the current topmost patch.
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344 With a prefix argument, forcibly create the patch even if the working
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diff changeset
345 directory is modified."
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346 (interactive (list (mq-read-patch-name "qseries" " to create" t)))
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347 (message "Creating patch...")
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348 (let ((ret (if current-prefix-arg
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349 (hg-run "qnew" "-f" name)
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350 (hg-run "qnew" name))))
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diff changeset
351 (if (equal (car ret) 0)
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diff changeset
352 (progn
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353 (hg-update-mode-lines (buffer-file-name))
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diff changeset
354 (message "Creating patch... done."))
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diff changeset
355 (error "Creating patch... %s" (hg-chomp (cdr ret))))))
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diff changeset
356
4423
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diff changeset
357 (defun mq-edit-series ()
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358 "Edit the MQ series file directly."
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diff changeset
359 (interactive)
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diff changeset
360 (let ((root (hg-root)))
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diff changeset
361 (unless root
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diff changeset
362 (error "Not in an MQ repository!"))
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diff changeset
363 (find-file (concat root ".hg/patches/series"))))
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diff changeset
364
4425
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diff changeset
365 (defun mq-diff (&optional git)
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diff changeset
366 "Display a diff of the topmost applied patch.
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diff changeset
367 With a prefix argument, display a git-compatible diff."
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diff changeset
368 (interactive "P")
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diff changeset
369 (hg-view-output ((format "MQ: Diff of %s" (mq-patch-info "qtop")))
4425
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diff changeset
370 (if git
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diff changeset
371 (call-process (hg-binary) nil t nil "qdiff" "--git")
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diff changeset
372 (call-process (hg-binary) nil t nil "qdiff"))
4424
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diff changeset
373 (diff-mode)
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diff changeset
374 (font-lock-fontify-buffer)))
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diff changeset
375
4429
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diff changeset
376 (defun mq-signoff ()
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diff changeset
377 "Sign off on the current patch, in the style used by the Linux kernel.
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diff changeset
378 If the variable mq-signoff-address is non-nil, it will be used, otherwise
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379 the value of the ui.username item from your hgrc will be used."
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380 (interactive)
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381 (let ((was-editing (eq major-mode 'mq-edit-mode))
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382 signed)
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383 (unless was-editing
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384 (mq-refresh-edit))
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385 (save-excursion
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386 (let* ((user (or mq-signoff-address
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387 (hg-run0 "debugconfig" "ui.username")))
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388 (signoff (concat "Signed-off-by: " user)))
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389 (if (search-forward signoff nil t)
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390 (message "You have already signed off on this patch.")
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391 (goto-char (point-max))
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392 (let ((case-fold-search t))
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393 (if (re-search-backward "^Signed-off-by: " nil t)
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394 (forward-line 1)
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395 (insert "\n")))
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396 (insert signoff)
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397 (message "%s" signoff)
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398 (setq signed t))))
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399 (unless was-editing
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400 (if signed
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401 (mq-edit-finish)
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402 (mq-edit-kill)))))
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403
2993
425413d9ef59 Emacs: add mq.el, early support for Mercurial Queues.
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404
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405 (provide 'mq)
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406
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407
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408 ;;; Local Variables:
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409 ;;; prompt-to-byte-compile: nil
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410 ;;; end: