Mercurial > public > mercurial-scm > hg

annotate hgext/graphlog.py @ 8894:868670dbc237

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extensions: improve the consistency of synopses Trying as much as possible to consistently: - use a present tense predicate followed by a direct object - verb referring directly to the functionality provided (ie. not "add command that does this" but simple "do that") - keep simple and to the point, leaving details for the long help (width is tight, possibly even more so for translations) Thanks to timeless, Martin Geisler, Rafael Villar Burke, Dan Villiom Podlaski Christiansen and others for the helpful suggestions.
author C?dric Duval <cedricduval@free.fr>
date Mon, 22 Jun 2009 15:48:08 +0200
parents d9acbe7b0049
children f87884329419
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1 # ASCII graph log extension for Mercurial
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2 #
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3 # Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2, incorporated herein by reference.
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7
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8 '''show revision graphs in terminals
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9
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10 This extension adds a --graph option to the incoming, outgoing and log
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11 commands. When this options is given, an ASCII representation of the
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12 revision graph is also shown.
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13 '''
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14
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15 import os, sys
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16 from mercurial.cmdutil import revrange, show_changeset
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17 from mercurial.commands import templateopts
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18 from mercurial.i18n import _
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19 from mercurial.node import nullrev
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20 from mercurial import bundlerepo, changegroup, cmdutil, commands, extensions
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21 from mercurial import hg, url, util, graphmod
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22
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23 ASCIIDATA = 'ASC'
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24
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25 def asciiformat(ui, repo, revdag, opts):
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26 """formats a changelog DAG walk for ASCII output"""
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27 showparents = [ctx.node() for ctx in repo[None].parents()]
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28 displayer = show_changeset(ui, repo, opts, buffered=True)
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29 for (id, type, ctx, parentids) in revdag:
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30 if type != graphmod.CHANGESET:
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31 continue
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32 displayer.show(ctx)
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33 lines = displayer.hunk.pop(ctx.rev()).split('\n')[:-1]
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34 char = ctx.node() in showparents and '@' or 'o'
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35 yield (id, ASCIIDATA, (char, lines), parentids)
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36
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37 def asciiedges(nodes):
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38 """adds edge info to changelog DAG walk suitable for ascii()"""
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39 seen = []
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40 for node, type, data, parents in nodes:
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41 if node not in seen:
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42 seen.append(node)
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43 nodeidx = seen.index(node)
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44
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45 knownparents = []
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46 newparents = []
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47 for parent in parents:
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48 if parent in seen:
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49 knownparents.append(parent)
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50 else:
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51 newparents.append(parent)
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52
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53 ncols = len(seen)
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54 nextseen = seen[:]
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55 nextseen[nodeidx:nodeidx + 1] = newparents
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56 edges = [(nodeidx, nextseen.index(p)) for p in knownparents]
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57
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58 if len(newparents) > 0:
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59 edges.append((nodeidx, nodeidx))
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60 if len(newparents) > 1:
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61 edges.append((nodeidx, nodeidx + 1))
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62 nmorecols = len(nextseen) - ncols
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63 seen = nextseen
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64 yield (nodeidx, type, data, edges, ncols, nmorecols)
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65
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66 def fix_long_right_edges(edges):
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67 for (i, (start, end)) in enumerate(edges):
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68 if end > start:
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69 edges[i] = (start, end + 1)
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70
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71 def get_nodeline_edges_tail(
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72 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail):
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73 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0:
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74 # Still going in the same non-vertical direction.
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75 if n_columns_diff == -1:
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76 start = max(node_index + 1, p_node_index)
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77 tail = ["|", " "] * (start - node_index - 1)
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78 tail.extend(["/", " "] * (n_columns - start))
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79 return tail
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80 else:
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81 return ["\\", " "] * (n_columns - node_index - 1)
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82 else:
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83 return ["|", " "] * (n_columns - node_index - 1)
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84
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85 def draw_edges(edges, nodeline, interline):
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86 for (start, end) in edges:
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87 if start == end + 1:
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88 interline[2 * end + 1] = "/"
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89 elif start == end - 1:
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90 interline[2 * start + 1] = "\\"
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91 elif start == end:
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92 interline[2 * start] = "|"
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93 else:
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94 nodeline[2 * end] = "+"
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95 if start > end:
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96 (start, end) = (end,start)
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97 for i in range(2 * start + 1, 2 * end):
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98 if nodeline[i] != "+":
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99 nodeline[i] = "-"
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100
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101 def get_padding_line(ni, n_columns, edges):
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102 line = []
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103 line.extend(["|", " "] * ni)
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104 if (ni, ni - 1) in edges or (ni, ni) in edges:
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105 # (ni, ni - 1) (ni, ni)
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106 # | | | | | | | |
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107 # +---o | | o---+
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108 # | | c | | c | |
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109 # | |/ / | |/ /
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110 # | | | | | |
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111 c = "|"
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112 else:
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113 c = " "
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114 line.extend([c, " "])
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115 line.extend(["|", " "] * (n_columns - ni - 1))
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116 return line
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117
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118 def ascii(ui, dag):
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119 """prints an ASCII graph of the DAG
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120
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121 dag is a generator that emits tuples with the following elements:
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122
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123 - Column of the current node in the set of ongoing edges.
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124 - Type indicator of node data == ASCIIDATA.
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125 - Payload: (char, lines):
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126 - Character to use as node's symbol.
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127 - List of lines to display as the node's text.
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128 - Edges; a list of (col, next_col) indicating the edges between
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129 the current node and its parents.
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130 - Number of columns (ongoing edges) in the current revision.
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131 - The difference between the number of columns (ongoing edges)
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132 in the next revision and the number of columns (ongoing edges)
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133 in the current revision. That is: -1 means one column removed;
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134 0 means no columns added or removed; 1 means one column added.
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135 """
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136 prev_n_columns_diff = 0
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137 prev_node_index = 0
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138 for (node_index, type, (node_ch, node_lines), edges, n_columns, n_columns_diff) in dag:
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139
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140 assert -2 < n_columns_diff < 2
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141 if n_columns_diff == -1:
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142 # Transform
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143 #
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144 # | | | | | |
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145 # o | | into o---+
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146 # |X / |/ /
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147 # | | | |
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148 fix_long_right_edges(edges)
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149
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150 # add_padding_line says whether to rewrite
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151 #
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152 # | | | | | | | |
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153 # | o---+ into | o---+
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154 # | / / | | | # <--- padding line
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155 # o | | | / /
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156 # o | |
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157 add_padding_line = (len(node_lines) > 2 and
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158 n_columns_diff == -1 and
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159 [x for (x, y) in edges if x + 1 < y])
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160
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161 # fix_nodeline_tail says whether to rewrite
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162 #
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163 # | | o | | | | o | |
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164 # | | |/ / | | |/ /
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165 # | o | | into | o / / # <--- fixed nodeline tail
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166 # | |/ / | |/ /
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167 # o | | o | |
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168 fix_nodeline_tail = len(node_lines) <= 2 and not add_padding_line
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169
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170 # nodeline is the line containing the node character (typically o)
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171 nodeline = ["|", " "] * node_index
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172 nodeline.extend([node_ch, " "])
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173
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174 nodeline.extend(
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175 get_nodeline_edges_tail(
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176 node_index, prev_node_index, n_columns, n_columns_diff,
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177 prev_n_columns_diff, fix_nodeline_tail))
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178
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179 # shift_interline is the line containing the non-vertical
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180 # edges between this entry and the next
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181 shift_interline = ["|", " "] * node_index
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182 if n_columns_diff == -1:
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183 n_spaces = 1
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184 edge_ch = "/"
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185 elif n_columns_diff == 0:
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186 n_spaces = 2
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187 edge_ch = "|"
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188 else:
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189 n_spaces = 3
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190 edge_ch = "\\"
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191 shift_interline.extend(n_spaces * [" "])
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192 shift_interline.extend([edge_ch, " "] * (n_columns - node_index - 1))
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193
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194 # draw edges from the current node to its parents
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195 draw_edges(edges, nodeline, shift_interline)
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196
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197 # lines is the list of all graph lines to print
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198 lines = [nodeline]
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199 if add_padding_line:
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200 lines.append(get_padding_line(node_index, n_columns, edges))
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201 lines.append(shift_interline)
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202
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203 # make sure that there are as many graph lines as there are
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204 # log strings
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205 while len(node_lines) < len(lines):
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206 node_lines.append("")
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207 if len(lines) < len(node_lines):
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208 extra_interline = ["|", " "] * (n_columns + n_columns_diff)
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209 while len(lines) < len(node_lines):
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210 lines.append(extra_interline)
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211
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212 # print lines
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213 indentation_level = max(n_columns, n_columns + n_columns_diff)
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214 for (line, logstr) in zip(lines, node_lines):
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215 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr)
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216 ui.write(ln.rstrip() + '\n')
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217
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218 # ... and start over
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219 prev_node_index = node_index
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220 prev_n_columns_diff = n_columns_diff
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221
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222 def get_revs(repo, rev_opt):
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223 if rev_opt:
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224 revs = revrange(repo, rev_opt)
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225 return (max(revs), min(revs))
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226 else:
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227 return (len(repo) - 1, 0)
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228
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diff changeset
229 def check_unsupported_flags(opts):
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230 for op in ["follow", "follow_first", "date", "copies", "keyword", "remove",
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diff changeset
231 "only_merges", "user", "only_branch", "prune", "newest_first",
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232 "no_merges", "include", "exclude"]:
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233 if op in opts and opts[op]:
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diff changeset
234 raise util.Abort(_("--graph option is incompatible with --%s") % op)
7426
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diff changeset
235
7325
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236 def graphlog(ui, repo, path=None, **opts):
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237 """show revision history alongside an ASCII revision graph
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238
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239 Print a revision history alongside a revision graph drawn with
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diff changeset
240 ASCII characters.
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241
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242 Nodes printed as an @ character are parents of the working
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diff changeset
243 directory.
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244 """
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245
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diff changeset
246 check_unsupported_flags(opts)
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diff changeset
247 limit = cmdutil.loglimit(opts)
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diff changeset
248 start, stop = get_revs(repo, opts["rev"])
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249 stop = max(stop, start - limit + 1)
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250 if start == nullrev:
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251 return
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252
7325
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253 if path:
7713
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diff changeset
254 path = util.canonpath(repo.root, os.getcwd(), path)
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diff changeset
255 if path: # could be reset in canonpath
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diff changeset
256 revdag = graphmod.filerevs(repo, path, start, stop)
7325
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257 else:
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258 revdag = graphmod.revisions(repo, start, stop)
7325
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259
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diff changeset
260 fmtdag = asciiformat(ui, repo, revdag, opts)
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diff changeset
261 ascii(ui, asciiedges(fmtdag))
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262
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diff changeset
263 def graphrevs(repo, nodes, opts):
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diff changeset
264 limit = cmdutil.loglimit(opts)
8837
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diff changeset
265 nodes.reverse()
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diff changeset
266 if limit < sys.maxint:
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diff changeset
267 nodes = nodes[:limit]
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diff changeset
268 return graphmod.nodes(repo, nodes)
7716
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269
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diff changeset
270 def goutgoing(ui, repo, dest=None, **opts):
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diff changeset
271 """show the outgoing changesets alongside an ASCII revision graph
7325
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 7324
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272
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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273 Print the outgoing changesets alongside a revision graph drawn with
4ad12930a459 graphlog: extract large parts of repeated code from incoming/outgoing
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7715
diff changeset
274 ASCII characters.
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parents: 7383
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275
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276 Nodes printed as an @ character are parents of the working
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277 directory.
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278 """
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279
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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280 check_unsupported_flags(opts)
7426
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parents: 7383
diff changeset
281 dest, revs, checkout = hg.parseurl(
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
282 ui.expandpath(dest or 'default-push', dest or 'default'),
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
283 opts.get('rev'))
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
284 if revs:
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parents: 7383
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285 revs = [repo.lookup(rev) for rev in revs]
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Matt Mackall <mpm@selenic.com>
parents: 8150
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286 other = hg.repository(cmdutil.remoteui(ui, opts), dest)
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diff changeset
287 ui.status(_('comparing with %s\n') % url.hidepassword(dest))
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parents: 7383
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288 o = repo.findoutgoing(other, force=opts.get('force'))
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parents: 7383
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289 if not o:
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diff changeset
290 ui.status(_("no changes found\n"))
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diff changeset
291 return
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292
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293 o = repo.changelog.nodesbetween(o, revs)[0]
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7715
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294 revdag = graphrevs(repo, o, opts)
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 8838
diff changeset
295 fmtdag = asciiformat(ui, repo, revdag, opts)
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 8838
diff changeset
296 ascii(ui, asciiedges(fmtdag))
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parents: 7383
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297
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parents: 7383
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298 def gincoming(ui, repo, source="default", **opts):
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parents: 7383
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299 """show the incoming changesets alongside an ASCII revision graph
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
300
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
301 Print the incoming changesets alongside a revision graph drawn with
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
302 ASCII characters.
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
303
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
304 Nodes printed as an @ character are parents of the working
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
305 directory.
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
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306 """
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
307
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
308 check_unsupported_flags(opts)
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
309 source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev'))
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Matt Mackall <mpm@selenic.com>
parents: 8150
diff changeset
310 other = hg.repository(cmdutil.remoteui(repo, opts), source)
7426
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parents: 7383
diff changeset
311 ui.status(_('comparing with %s\n') % url.hidepassword(source))
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
312 if revs:
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parents: 7383
diff changeset
313 revs = [other.lookup(rev) for rev in revs]
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parents: 7383
diff changeset
314 incoming = repo.findincoming(other, heads=revs, force=opts["force"])
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
315 if not incoming:
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
316 try:
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
317 os.unlink(opts["bundle"])
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
318 except:
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
319 pass
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
320 ui.status(_("no changes found\n"))
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parents: 7383
diff changeset
321 return
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
322
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
323 cleanup = None
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
324 try:
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7715
diff changeset
325
7426
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
326 fname = opts["bundle"]
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
327 if fname or not other.local():
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
328 # create a bundle (uncompressed if other repo is not local)
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
329 if revs is None:
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
330 cg = other.changegroup(incoming, "incoming")
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
331 else:
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
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parents: 7383
diff changeset
332 cg = other.changegroupsubset(incoming, revs, 'incoming')
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
333 bundletype = other.local() and "HG10BZ" or "HG10UN"
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
334 fname = cleanup = changegroup.writebundle(cg, fname, bundletype)
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
335 # keep written bundle?
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
336 if opts["bundle"]:
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
337 cleanup = None
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
338 if not other.local():
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
339 # use the created uncompressed bundlerepo
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
340 other = bundlerepo.bundlerepository(ui, repo.root, fname)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
341
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
342 chlist = other.changelog.nodesbetween(incoming, revs)[0]
7716
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7715
diff changeset
343 revdag = graphrevs(other, chlist, opts)
8839
bbfa21b6f18a graphlog: rename grapher to asciiedges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 8838
diff changeset
344 fmtdag = asciiformat(ui, repo, revdag, opts)
bbfa21b6f18a graphlog: rename grapher to asciiedges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 8838
diff changeset
345 ascii(ui, asciiedges(fmtdag))
7426
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parents: 7383
diff changeset
346
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
347 finally:
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
348 if hasattr(other, 'close'):
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
349 other.close()
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
350 if cleanup:
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
351 os.unlink(cleanup)
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
352
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
353 def uisetup(ui):
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
354 '''Initialize the extension.'''
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
355 _wrapcmd(ui, 'log', commands.table, graphlog)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
356 _wrapcmd(ui, 'incoming', commands.table, gincoming)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
357 _wrapcmd(ui, 'outgoing', commands.table, goutgoing)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
358
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
359 def _wrapcmd(ui, cmd, table, wrapfn):
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
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parents: 7383
diff changeset
360 '''wrap the command'''
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Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
361 def graph(orig, *args, **kwargs):
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
362 if kwargs['graph']:
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
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parents: 7383
diff changeset
363 return wrapfn(*args, **kwargs)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
364 return orig(*args, **kwargs)
df0962f6c54e Graphlog extension adds a --graph option to log/in/out
Alpar Juttner <alpar@cs.elte.hu>
parents: 7383
diff changeset
365 entry = extensions.wrapcommand(table, cmd, graph)
7763
cdc913e7fc5f log-like commands now use -G for --graph, -g for --git
Jim Correia <jim.correia@pobox.com>
parents: 7716
diff changeset
366 entry[1].append(('G', 'graph', None, _("show the revision DAG")))
7426
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parents: 7383
diff changeset
367
4344
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Joel Rosdahl <joel@rosdahl.net>
parents:
diff changeset
368 cmdtable = {
345ed833854d Add graphlog extension
Joel Rosdahl <joel@rosdahl.net>
parents:
diff changeset
369 "glog":
4730
eadfaa9ec487 Updated command tables in commands.py and hgext extensions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4633
diff changeset
370 (graphlog,
eadfaa9ec487 Updated command tables in commands.py and hgext extensions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4633
diff changeset
371 [('l', 'limit', '', _('limit number of changes displayed')),
eadfaa9ec487 Updated command tables in commands.py and hgext extensions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4633
diff changeset
372 ('p', 'patch', False, _('show patch')),
eadfaa9ec487 Updated command tables in commands.py and hgext extensions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4633
diff changeset
373 ('r', 'rev', [], _('show the specified revision or range')),
6192
cd65a67aff31 Introduce templateopts and logopts to reduce duplicate option definitions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5968
diff changeset
374 ] + templateopts,
5942
b75105de8573 glog shows at most one file: correct synopsis
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5940
diff changeset
375 _('hg glog [OPTION]... [FILE]')),
4344
345ed833854d Add graphlog extension
Joel Rosdahl <joel@rosdahl.net>
parents:
diff changeset
376 }