Mercurial > hg > mercurial-crew-with-dirclash

annotate contrib/mq.el @ 5483:0c43f87baba3 default tip

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Fix file-changed-to-dir and dir-to-file commits (issue660). Allow adding to dirstate files that clash with previously existing but marked for removal. Protect from reintroducing clashes by revert. This change doesn't address related issues with update. Current workaround is to do "clean" update by manually removing conflicting files/dirs from working directory.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Oct 2007 16:27:55 +0400
parents 24eb1bf8dd83
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 (eval-when-compile (require 'cl))
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22 (require 'mercurial)
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23
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24
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25 (defcustom mq-mode-hook nil
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26 "Hook run when a buffer enters mq-mode."
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27 :type 'sexp
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28 :group 'mercurial)
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29
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30 (defcustom mq-global-prefix "\C-cq"
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31 "The global prefix for Mercurial Queues keymap bindings."
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32 :type 'sexp
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33 :group 'mercurial)
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34
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35 (defcustom mq-edit-mode-hook nil
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36 "Hook run after a buffer is populated to edit a patch description."
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37 :type 'sexp
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38 :group 'mercurial)
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39
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40 (defcustom mq-edit-finish-hook nil
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41 "Hook run before a patch description is finished up with."
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42 :type 'sexp
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43 :group 'mercurial)
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44
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45 (defcustom mq-signoff-address nil
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46 "Address with which to sign off on a patch."
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47 :type 'string
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48 :group 'mercurial)
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49
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50
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51 ;;; Internal variables.
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52
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53 (defvar mq-mode nil
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54 "Is this file managed by MQ?")
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55 (make-variable-buffer-local 'mq-mode)
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56 (put 'mq-mode 'permanent-local t)
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57
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58 (defvar mq-patch-history nil)
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59
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60 (defvar mq-top-patch '(nil))
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61
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62 (defvar mq-prev-buffer nil)
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63 (make-variable-buffer-local 'mq-prev-buffer)
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64 (put 'mq-prev-buffer 'permanent-local t)
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65
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66 (defvar mq-top nil)
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67 (make-variable-buffer-local 'mq-top)
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68 (put 'mq-top 'permanent-local t)
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69
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70 ;;; Global keymap.
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71
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72 (defvar mq-global-map
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73 (let ((map (make-sparse-keymap)))
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74 (define-key map "." 'mq-push)
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75 (define-key map ">" 'mq-push-all)
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76 (define-key map "," 'mq-pop)
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77 (define-key map "<" 'mq-pop-all)
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78 (define-key map "=" 'mq-diff)
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79 (define-key map "r" 'mq-refresh)
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80 (define-key map "e" 'mq-refresh-edit)
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81 (define-key map "i" 'mq-new)
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82 (define-key map "n" 'mq-next)
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83 (define-key map "o" 'mq-signoff)
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84 (define-key map "p" 'mq-previous)
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85 (define-key map "s" 'mq-edit-series)
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86 (define-key map "t" 'mq-top)
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87 map))
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88
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89 (global-set-key mq-global-prefix mq-global-map)
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90
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91 (add-minor-mode 'mq-mode 'mq-mode)
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92
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93
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94 ;;; Refresh edit mode keymap.
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95
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96 (defvar mq-edit-mode-map
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97 (let ((map (make-sparse-keymap)))
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98 (define-key map "\C-c\C-c" 'mq-edit-finish)
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99 (define-key map "\C-c\C-k" 'mq-edit-kill)
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100 (define-key map "\C-c\C-s" 'mq-signoff)
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101 map))
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102
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103
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104 ;;; Helper functions.
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105
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106 (defun mq-read-patch-name (&optional source prompt force)
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107 "Read a patch name to use with a command.
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108 May return nil, meaning \"use the default\"."
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109 (let ((patches (split-string
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110 (hg-chomp (hg-run0 (or source "qseries"))) "\n")))
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111 (when force
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112 (completing-read (format "Patch%s: " (or prompt ""))
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113 (mapcar (lambda (x) (cons x x)) patches)
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114 nil
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115 nil
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116 nil
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117 'mq-patch-history))))
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118
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119 (defun mq-refresh-buffers (root)
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120 (save-excursion
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121 (dolist (buf (hg-buffers-visiting-repo root))
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122 (when (not (verify-visited-file-modtime buf))
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123 (set-buffer buf)
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124 (let ((ctx (hg-buffer-context)))
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125 (message "Refreshing %s..." (buffer-name))
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126 (revert-buffer t t t)
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127 (hg-restore-context ctx)
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128 (message "Refreshing %s...done" (buffer-name))))))
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129 (hg-update-mode-lines root)
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130 (mq-update-mode-lines root))
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131
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132 (defun mq-last-line ()
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133 (goto-char (point-max))
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134 (beginning-of-line)
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135 (when (looking-at "^$")
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136 (forward-line -1))
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137 (let ((bol (point)))
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138 (end-of-line)
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139 (let ((line (buffer-substring bol (point))))
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140 (when (> (length line) 0)
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141 line))))
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142
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143 (defun mq-push (&optional patch)
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144 "Push patches until PATCH is reached.
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145 If PATCH is nil, push at most one patch."
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146 (interactive (list (mq-read-patch-name "qunapplied" " to push"
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147 current-prefix-arg)))
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148 (let ((root (hg-root))
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149 (prev-buf (current-buffer))
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150 last-line ok)
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151 (unless root
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152 (error "Cannot push outside a repository!"))
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153 (hg-sync-buffers root)
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154 (let ((buf-name (format "MQ: Push %s" (or patch "next patch"))))
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155 (kill-buffer (get-buffer-create buf-name))
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156 (split-window-vertically)
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157 (other-window 1)
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158 (switch-to-buffer (get-buffer-create buf-name))
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159 (cd root)
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160 (message "Pushing...")
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161 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpush"
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162 (if patch (list patch))))
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163 last-line (mq-last-line))
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164 (let ((lines (count-lines (point-min) (point-max))))
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165 (if (or (<= lines 1)
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166 (and (equal lines 2) (string-match "Now at:" last-line)))
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167 (progn
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168 (kill-buffer (current-buffer))
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169 (delete-window))
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170 (hg-view-mode prev-buf))))
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171 (mq-refresh-buffers root)
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172 (sit-for 0)
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173 (when last-line
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174 (if ok
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175 (message "Pushing... %s" last-line)
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176 (error "Pushing... %s" last-line)))))
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177
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178 (defun mq-push-all ()
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179 "Push patches until all are applied."
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180 (interactive)
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181 (mq-push "-a"))
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182
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183 (defun mq-pop (&optional patch)
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184 "Pop patches until PATCH is reached.
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185 If PATCH is nil, pop at most one patch."
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186 (interactive (list (mq-read-patch-name "qapplied" " to pop to"
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187 current-prefix-arg)))
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188 (let ((root (hg-root))
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189 last-line ok)
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190 (unless root
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191 (error "Cannot pop outside a repository!"))
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192 (hg-sync-buffers root)
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193 (set-buffer (generate-new-buffer "qpop"))
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194 (cd root)
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195 (message "Popping...")
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196 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpop"
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197 (if patch (list patch))))
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198 last-line (mq-last-line))
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199 (kill-buffer (current-buffer))
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200 (mq-refresh-buffers root)
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201 (sit-for 0)
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202 (when last-line
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203 (if ok
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204 (message "Popping... %s" last-line)
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205 (error "Popping... %s" last-line)))))
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206
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207 (defun mq-pop-all ()
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208 "Push patches until none are applied."
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209 (interactive)
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210 (mq-pop "-a"))
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211
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212 (defun mq-refresh-internal (root &rest args)
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213 (hg-sync-buffers root)
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214 (let ((patch (mq-patch-info "qtop")))
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215 (message "Refreshing %s..." patch)
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216 (let ((ret (apply 'hg-run "qrefresh" args)))
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217 (if (equal (car ret) 0)
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218 (message "Refreshing %s... done." patch)
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219 (error "Refreshing %s... %s" patch (hg-chomp (cdr ret)))))))
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220
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221 (defun mq-refresh (&optional git)
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222 "Refresh the topmost applied patch.
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223 With a prefix argument, generate a git-compatible patch."
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224 (interactive "P")
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225 (let ((root (hg-root)))
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226 (unless root
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227 (error "Cannot refresh outside of a repository!"))
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228 (apply 'mq-refresh-internal root (if git '("--git")))))
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229
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230 (defun mq-patch-info (cmd &optional msg)
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231 (let* ((ret (hg-run cmd))
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232 (info (hg-chomp (cdr ret))))
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233 (if (equal (car ret) 0)
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234 (if msg
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235 (message "%s patch: %s" msg info)
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236 info)
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237 (error "%s" info))))
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238
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239 (defun mq-top ()
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240 "Print the name of the topmost applied patch."
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241 (interactive)
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242 (mq-patch-info "qtop" "Top"))
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243
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244 (defun mq-next ()
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245 "Print the name of the next patch to be pushed."
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246 (interactive)
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247 (mq-patch-info "qnext" "Next"))
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248
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249 (defun mq-previous ()
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250 "Print the name of the first patch below the topmost applied patch.
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251 This would become the active patch if popped to."
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252 (interactive)
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253 (mq-patch-info "qprev" "Previous"))
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254
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255 (defun mq-edit-finish ()
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256 "Finish editing the description of this patch, and refresh the patch."
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257 (interactive)
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258 (unless (equal (mq-patch-info "qtop") mq-top)
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259 (error "Topmost patch has changed!"))
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260 (hg-sync-buffers hg-root)
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261 (run-hooks 'mq-edit-finish-hook)
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262 (mq-refresh-internal hg-root "-m" (buffer-substring (point-min) (point-max)))
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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-edit-kill ()
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268 "Kill the edit currently being prepared."
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269 (interactive)
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270 (when (or (not (buffer-modified-p)) (y-or-n-p "Really kill this edit? "))
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271 (let ((buf mq-prev-buffer))
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272 (kill-buffer nil)
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273 (switch-to-buffer buf))))
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274
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275 (defun mq-get-top (root)
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276 (let ((entry (assoc root mq-top-patch)))
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277 (if entry
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278 (cdr entry))))
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279
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280 (defun mq-set-top (root patch)
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281 (let ((entry (assoc root mq-top-patch)))
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282 (if entry
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283 (if patch
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284 (setcdr entry patch)
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285 (setq mq-top-patch (delq entry mq-top-patch)))
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286 (setq mq-top-patch (cons (cons root patch) mq-top-patch)))))
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287
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288 (defun mq-update-mode-lines (root)
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289 (let ((cwd default-directory))
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290 (cd root)
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291 (condition-case nil
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292 (mq-set-top root (mq-patch-info "qtop"))
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293 (error (mq-set-top root nil)))
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294 (cd cwd))
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295 (let ((patch (mq-get-top root)))
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296 (save-excursion
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297 (dolist (buf (hg-buffers-visiting-repo root))
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298 (set-buffer buf)
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299 (if mq-mode
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300 (setq mq-mode (or (and patch (concat " MQ:" patch)) " MQ")))))))
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301
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302 (defun mq-mode (&optional arg)
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303 "Minor mode for Mercurial repositories with an MQ patch queue"
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304 (interactive "i")
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305 (cond ((hg-root)
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306 (setq mq-mode (if (null arg) (not mq-mode)
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diff changeset
307 arg))
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308 (mq-update-mode-lines (hg-root))))
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309 (run-hooks 'mq-mode-hook))
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310
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311 (defun mq-edit-mode ()
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312 "Mode for editing the description of a patch.
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313
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314 Key bindings
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315 ------------
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316 \\[mq-edit-finish] use this description
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317 \\[mq-edit-kill] abandon this description"
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318 (interactive)
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319 (use-local-map mq-edit-mode-map)
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320 (set-syntax-table text-mode-syntax-table)
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321 (setq local-abbrev-table text-mode-abbrev-table
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322 major-mode 'mq-edit-mode
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323 mode-name "MQ-Edit")
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324 (set-buffer-modified-p nil)
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325 (setq buffer-undo-list nil)
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326 (run-hooks 'text-mode-hook 'mq-edit-mode-hook))
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327
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328 (defun mq-refresh-edit ()
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329 "Refresh the topmost applied patch, editing the patch description."
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330 (interactive)
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331 (while mq-prev-buffer
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332 (set-buffer mq-prev-buffer))
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333 (let ((root (hg-root))
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334 (prev-buffer (current-buffer))
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335 (patch (mq-patch-info "qtop")))
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336 (hg-sync-buffers root)
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337 (let ((buf-name (format "*MQ: Edit description of %s*" patch)))
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338 (switch-to-buffer (get-buffer-create buf-name))
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339 (when (= (point-min) (point-max))
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340 (set (make-local-variable 'hg-root) root)
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341 (set (make-local-variable 'mq-top) patch)
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342 (setq mq-prev-buffer prev-buffer)
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343 (insert (hg-run0 "qheader"))
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344 (goto-char (point-min)))
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345 (mq-edit-mode)
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346 (cd root)))
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347 (message "Type `C-c C-c' to finish editing and refresh the patch."))
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348
4422
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349 (defun mq-new (name)
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350 "Create a new empty patch named NAME.
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351 The patch is applied on top of the current topmost patch.
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352 With a prefix argument, forcibly create the patch even if the working
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diff changeset
353 directory is modified."
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354 (interactive (list (mq-read-patch-name "qseries" " to create" t)))
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355 (message "Creating patch...")
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356 (let ((ret (if current-prefix-arg
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357 (hg-run "qnew" "-f" name)
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358 (hg-run "qnew" name))))
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diff changeset
359 (if (equal (car ret) 0)
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diff changeset
360 (progn
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361 (hg-update-mode-lines (buffer-file-name))
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362 (message "Creating patch... done."))
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diff changeset
363 (error "Creating patch... %s" (hg-chomp (cdr ret))))))
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diff changeset
364
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diff changeset
365 (defun mq-edit-series ()
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366 "Edit the MQ series file directly."
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diff changeset
367 (interactive)
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368 (let ((root (hg-root)))
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diff changeset
369 (unless root
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diff changeset
370 (error "Not in an MQ repository!"))
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diff changeset
371 (find-file (concat root ".hg/patches/series"))))
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diff changeset
372
4425
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diff changeset
373 (defun mq-diff (&optional git)
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diff changeset
374 "Display a diff of the topmost applied patch.
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diff changeset
375 With a prefix argument, display a git-compatible diff."
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diff changeset
376 (interactive "P")
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diff changeset
377 (hg-view-output ((format "MQ: Diff of %s" (mq-patch-info "qtop")))
4425
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diff changeset
378 (if git
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diff changeset
379 (call-process (hg-binary) nil t nil "qdiff" "--git")
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diff changeset
380 (call-process (hg-binary) nil t nil "qdiff"))
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diff changeset
381 (diff-mode)
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382 (font-lock-fontify-buffer)))
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383
4429
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384 (defun mq-signoff ()
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385 "Sign off on the current patch, in the style used by the Linux kernel.
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386 If the variable mq-signoff-address is non-nil, it will be used, otherwise
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387 the value of the ui.username item from your hgrc will be used."
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388 (interactive)
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389 (let ((was-editing (eq major-mode 'mq-edit-mode))
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390 signed)
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391 (unless was-editing
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392 (mq-refresh-edit))
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393 (save-excursion
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394 (let* ((user (or mq-signoff-address
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395 (hg-run0 "debugconfig" "ui.username")))
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396 (signoff (concat "Signed-off-by: " user)))
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397 (if (search-forward signoff nil t)
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398 (message "You have already signed off on this patch.")
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399 (goto-char (point-max))
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400 (let ((case-fold-search t))
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401 (if (re-search-backward "^Signed-off-by: " nil t)
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402 (forward-line 1)
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403 (insert "\n")))
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404 (insert signoff)
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405 (message "%s" signoff)
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406 (setq signed t))))
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407 (unless was-editing
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408 (if signed
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409 (mq-edit-finish)
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410 (mq-edit-kill)))))
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411
2993
425413d9ef59 Emacs: add mq.el, early support for Mercurial Queues.
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412
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413 (provide 'mq)
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414
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415
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416 ;;; Local Variables:
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417 ;;; prompt-to-byte-compile: nil
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418 ;;; end: