Mercurial > hg > mercurial-crew-with-dirclash

annotate contrib/mq.el @ 3295:764688cf51e5

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merge: remember rename copies and parents properly on commit record copies in dirstate even if rename was remote this lets us record it properly at commit teach checkfilemerge about copies, including merge cases pull old copy code out of commit extend rename-merge1 test to show file index
author Matt Mackall <mpm@selenic.com>
date Sun, 08 Oct 2006 19:57:45 -0500
parents 06696f9c30c0
children b7fe334ff4fb
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 (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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39
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40 ;;; Internal variables.
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41
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42 (defvar mq-patch-history nil)
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43
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44 (defvar mq-prev-buffer nil)
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45 (make-variable-buffer-local 'mq-prev-buffer)
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46 (put 'mq-prev-buffer 'permanent-local t)
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47
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48
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49 ;;; Global keymap.
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50
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51 (defvar mq-global-map (make-sparse-keymap))
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52 (fset 'mq-global-map mq-global-map)
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53 (global-set-key mq-global-prefix 'mq-global-map)
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54 (define-key mq-global-map "." 'mq-push)
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55 (define-key mq-global-map ">" 'mq-push-all)
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56 (define-key mq-global-map "," 'mq-pop)
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57 (define-key mq-global-map "<" 'mq-pop-all)
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58 (define-key mq-global-map "r" 'mq-refresh)
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59 (define-key mq-global-map "e" 'mq-refresh-edit)
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60 (define-key mq-global-map "n" 'mq-next)
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61 (define-key mq-global-map "p" 'mq-previous)
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62 (define-key mq-global-map "t" 'mq-top)
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63
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64
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65 ;;; Refresh edit mode keymap.
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66
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67 (defvar mq-edit-mode-map (make-sparse-keymap))
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68 (define-key mq-edit-mode-map "\C-c\C-c" 'mq-edit-finish)
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69 (define-key mq-edit-mode-map "\C-c\C-k" 'mq-edit-kill)
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70
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71
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72 ;;; Helper functions.
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73
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74 (defun mq-read-patch-name (&optional source prompt)
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75 "Read a patch name to use with a command.
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76 May return nil, meaning \"use the default\"."
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77 (let ((patches (split-string
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78 (hg-chomp (hg-run0 (or source "qseries"))) "\n")))
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79 (when current-prefix-arg
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80 (completing-read (format "Patch%s: " (or prompt ""))
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81 (map 'list 'cons patches patches)
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82 nil
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83 nil
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84 nil
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85 'mq-patch-history))))
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86
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87 (defun mq-refresh-buffers (root)
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88 (save-excursion
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89 (dolist (buf (hg-buffers-visiting-repo root))
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90 (when (not (verify-visited-file-modtime buf))
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91 (set-buffer buf)
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92 (let ((ctx (hg-buffer-context)))
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93 (message "Refreshing %s..." (buffer-name))
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94 (revert-buffer t t t)
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95 (hg-restore-context ctx)
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96 (message "Refreshing %s...done" (buffer-name))))))
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97 (hg-update-mode-lines root))
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98
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99 (defun mq-last-line ()
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100 (goto-char (point-max))
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101 (beginning-of-line)
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102 (when (looking-at "^$")
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103 (forward-line -1))
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104 (let ((bol (point)))
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105 (end-of-line)
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106 (let ((line (buffer-substring bol (point))))
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107 (when (> (length line) 0)
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108 line))))
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109
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110 (defun mq-push (&optional patch)
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111 "Push patches until PATCH is reached.
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112 If PATCH is nil, push at most one patch."
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113 (interactive (list (mq-read-patch-name "qunapplied" " to push")))
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114 (let ((root (hg-root))
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115 (prev-buf (current-buffer))
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116 last-line ok)
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117 (unless root
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118 (error "Cannot push outside a repository!"))
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119 (hg-sync-buffers root)
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120 (let ((buf-name (format "MQ: Push %s" (or patch "next patch"))))
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121 (kill-buffer (get-buffer-create buf-name))
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122 (split-window-vertically)
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123 (other-window 1)
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124 (switch-to-buffer (get-buffer-create buf-name))
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125 (cd root)
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126 (message "Pushing...")
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127 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpush"
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128 (if patch (list patch))))
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129 last-line (mq-last-line))
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130 (let ((lines (count-lines (point-min) (point-max))))
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131 (if (and (equal lines 2) (string-match "Now at:" last-line))
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132 (progn
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133 (kill-buffer (current-buffer))
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134 (delete-window))
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135 (hg-view-mode prev-buf))))
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136 (mq-refresh-buffers root)
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137 (sit-for 0)
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138 (when last-line
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139 (if ok
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140 (message "Pushing... %s" last-line)
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141 (error "Pushing... %s" last-line)))))
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142
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143 (defun mq-push-all ()
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144 "Push patches until all are applied."
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145 (interactive)
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146 (mq-push "-a"))
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147
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148 (defun mq-pop (&optional patch)
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149 "Pop patches until PATCH is reached.
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150 If PATCH is nil, pop at most one patch."
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151 (interactive (list (mq-read-patch-name "qapplied" " to pop to")))
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152 (let ((root (hg-root))
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153 last-line ok)
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154 (unless root
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155 (error "Cannot pop outside a repository!"))
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156 (hg-sync-buffers root)
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157 (set-buffer (generate-new-buffer "qpop"))
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158 (cd root)
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159 (message "Popping...")
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160 (setq ok (= 0 (apply 'call-process (hg-binary) nil t t "qpop"
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161 (if patch (list patch))))
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162 last-line (mq-last-line))
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163 (kill-buffer (current-buffer))
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164 (mq-refresh-buffers root)
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165 (sit-for 0)
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166 (when last-line
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167 (if ok
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168 (message "Popping... %s" last-line)
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169 (error "Popping... %s" last-line)))))
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170
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171 (defun mq-pop-all ()
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172 "Push patches until none are applied."
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173 (interactive)
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174 (mq-pop "-a"))
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175
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176 (defun mq-refresh-internal (root &rest args)
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177 (hg-sync-buffers root)
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178 (let ((patch (mq-patch-info "qtop")))
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179 (message "Refreshing %s..." patch)
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180 (let ((ret (apply 'hg-run "qrefresh" args)))
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181 (if (equal (car ret) 0)
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182 (message "Refreshing %s... done." patch)
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183 (error "Refreshing %s... %s" patch (hg-chomp (cdr ret)))))))
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184
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185 (defun mq-refresh ()
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186 "Refresh the topmost applied patch."
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187 (interactive)
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188 (let ((root (hg-root)))
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189 (unless root
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190 (error "Cannot refresh outside of a repository!"))
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191 (mq-refresh-internal root)))
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192
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193 (defun mq-patch-info (cmd &optional msg)
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194 (let* ((ret (hg-run cmd))
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195 (info (hg-chomp (cdr ret))))
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196 (if (equal (car ret) 0)
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197 (if msg
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198 (message "%s patch: %s" msg info)
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199 info)
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200 (error "%s" info))))
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201
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202 (defun mq-top ()
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203 "Print the name of the topmost applied patch."
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204 (interactive)
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205 (mq-patch-info "qtop" "Top"))
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206
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207 (defun mq-next ()
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208 "Print the name of the next patch to be pushed."
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209 (interactive)
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210 (mq-patch-info "qnext" "Next"))
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211
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212 (defun mq-previous ()
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213 "Print the name of the first patch below the topmost applied patch.
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214 This would become the active patch if popped to."
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215 (interactive)
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216 (mq-patch-info "qprev" "Previous"))
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217
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218 (defun mq-edit-finish ()
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219 "Finish editing the description of this patch, and refresh the patch."
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220 (interactive)
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221 (unless (equal (mq-patch-info "qtop") mq-top)
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222 (error "Topmost patch has changed!"))
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223 (hg-sync-buffers hg-root)
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224 (mq-refresh-internal hg-root "-m" (buffer-substring (point-min) (point-max)))
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225 (let ((buf mq-prev-buffer))
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226 (kill-buffer nil)
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227 (switch-to-buffer buf)))
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228
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229 (defun mq-edit-kill ()
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230 "Kill the edit currently being prepared."
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231 (interactive)
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232 (when (or (not (buffer-modified-p)) (y-or-n-p "Really kill this edit? "))
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233 (let ((buf mq-prev-buffer))
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234 (kill-buffer nil)
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235 (switch-to-buffer buf))))
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236
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237 (defun mq-edit-mode ()
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238 "Mode for editing the description of a patch.
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239
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240 Key bindings
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241 ------------
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242 \\[mq-edit-finish] use this description
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243 \\[mq-edit-kill] abandon this description"
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244 (interactive)
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245 (use-local-map mq-edit-mode-map)
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246 (set-syntax-table text-mode-syntax-table)
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247 (setq local-abbrev-table text-mode-abbrev-table
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248 major-mode 'mq-edit-mode
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249 mode-name "MQ-Edit")
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250 (set-buffer-modified-p nil)
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251 (setq buffer-undo-list nil)
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252 (run-hooks 'text-mode-hook 'mq-edit-mode-hook))
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253
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254 (defun mq-refresh-edit ()
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255 "Refresh the topmost applied patch, editing the patch description."
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256 (interactive)
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257 (while mq-prev-buffer
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258 (set-buffer mq-prev-buffer))
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259 (let ((root (hg-root))
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260 (prev-buffer (current-buffer))
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261 (patch (mq-patch-info "qtop")))
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262 (hg-sync-buffers root)
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263 (let ((buf-name (format "*MQ: Edit description of %s*" patch)))
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264 (switch-to-buffer (get-buffer-create buf-name))
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265 (when (= (point-min) (point-max))
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266 (set (make-local-variable 'hg-root) root)
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267 (set (make-local-variable 'mq-top) patch)
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268 (setq mq-prev-buffer prev-buffer)
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269 (insert (hg-run0 "qheader"))
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270 (goto-char (point-min)))
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271 (mq-edit-mode)
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272 (cd root)))
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273 (message "Type `C-c C-c' to finish editing and refresh the patch."))
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274
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275
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276 (provide 'mq)
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277
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278
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279 ;;; Local Variables:
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280 ;;; prompt-to-byte-compile: nil
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281 ;;; end: