Mercurial > hg
annotate hgext/graphlog.py @ 17162:868c256cb51b
graphlog: remove unused get_revs() function
author | Patrick Mezard <patrick@mezard.eu> |
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date | Wed, 11 Jul 2012 17:05:20 +0200 |
parents | 01d847e0fdc9 |
children | 4c5d7124661a |
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4344 | 1 # ASCII graph log extension for Mercurial |
2 # | |
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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 '''command to view revision graphs from a shell |
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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 ''' |
4344 | 14 |
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15 from mercurial.cmdutil import show_changeset |
4344 | 16 from mercurial.i18n import _ |
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17 from mercurial import cmdutil, commands, extensions, scmutil |
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18 from mercurial import hg, util, graphmod, templatekw, revset |
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19 |
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20 cmdtable = {} |
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21 command = cmdutil.command(cmdtable) |
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22 testedwith = 'internal' |
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23 |
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24 ASCIIDATA = 'ASC' |
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25 |
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26 def asciiedges(type, char, lines, seen, rev, parents): |
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27 """adds edge info to changelog DAG walk suitable for ascii()""" |
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28 if rev not in seen: |
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29 seen.append(rev) |
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30 nodeidx = seen.index(rev) |
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31 |
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32 knownparents = [] |
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33 newparents = [] |
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34 for parent in parents: |
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35 if parent in seen: |
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36 knownparents.append(parent) |
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37 else: |
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38 newparents.append(parent) |
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39 |
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40 ncols = len(seen) |
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41 nextseen = seen[:] |
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42 nextseen[nodeidx:nodeidx + 1] = newparents |
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43 edges = [(nodeidx, nextseen.index(p)) for p in knownparents] |
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44 |
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45 while len(newparents) > 2: |
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46 # ascii() only knows how to add or remove a single column between two |
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47 # calls. Nodes with more than two parents break this constraint so we |
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48 # introduce intermediate expansion lines to grow the active node list |
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49 # slowly. |
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50 edges.append((nodeidx, nodeidx)) |
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51 edges.append((nodeidx, nodeidx + 1)) |
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52 nmorecols = 1 |
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53 yield (type, char, lines, (nodeidx, edges, ncols, nmorecols)) |
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54 char = '\\' |
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55 lines = [] |
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56 nodeidx += 1 |
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57 ncols += 1 |
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58 edges = [] |
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59 del newparents[0] |
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60 |
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61 if len(newparents) > 0: |
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62 edges.append((nodeidx, nodeidx)) |
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63 if len(newparents) > 1: |
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64 edges.append((nodeidx, nodeidx + 1)) |
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65 nmorecols = len(nextseen) - ncols |
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66 seen[:] = nextseen |
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67 yield (type, char, lines, (nodeidx, edges, ncols, nmorecols)) |
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68 |
4344 | 69 def fix_long_right_edges(edges): |
70 for (i, (start, end)) in enumerate(edges): | |
71 if end > start: | |
72 edges[i] = (start, end + 1) | |
73 | |
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74 def get_nodeline_edges_tail( |
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75 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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76 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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77 # Still going in the same non-vertical direction. |
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78 if n_columns_diff == -1: |
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79 start = max(node_index + 1, p_node_index) |
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80 tail = ["|", " "] * (start - node_index - 1) |
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81 tail.extend(["/", " "] * (n_columns - start)) |
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82 return tail |
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83 else: |
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84 return ["\\", " "] * (n_columns - node_index - 1) |
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85 else: |
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86 return ["|", " "] * (n_columns - node_index - 1) |
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87 |
4344 | 88 def draw_edges(edges, nodeline, interline): |
89 for (start, end) in edges: | |
90 if start == end + 1: | |
91 interline[2 * end + 1] = "/" | |
92 elif start == end - 1: | |
93 interline[2 * start + 1] = "\\" | |
94 elif start == end: | |
95 interline[2 * start] = "|" | |
96 else: | |
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97 if 2 * end >= len(nodeline): |
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98 continue |
4344 | 99 nodeline[2 * end] = "+" |
100 if start > end: | |
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101 (start, end) = (end, start) |
4344 | 102 for i in range(2 * start + 1, 2 * end): |
103 if nodeline[i] != "+": | |
104 nodeline[i] = "-" | |
105 | |
106 def get_padding_line(ni, n_columns, edges): | |
107 line = [] | |
108 line.extend(["|", " "] * ni) | |
109 if (ni, ni - 1) in edges or (ni, ni) in edges: | |
110 # (ni, ni - 1) (ni, ni) | |
111 # | | | | | | | | | |
112 # +---o | | o---+ | |
113 # | | c | | c | | | |
114 # | |/ / | |/ / | |
115 # | | | | | | | |
116 c = "|" | |
117 else: | |
118 c = " " | |
119 line.extend([c, " "]) | |
120 line.extend(["|", " "] * (n_columns - ni - 1)) | |
121 return line | |
122 | |
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123 def asciistate(): |
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124 """returns the initial value for the "state" argument to ascii()""" |
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125 return [0, 0] |
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126 |
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127 def ascii(ui, state, type, char, text, coldata): |
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128 """prints an ASCII graph of the DAG |
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130 takes the following arguments (one call per node in the graph): |
4344 | 131 |
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132 - ui to write to |
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133 - Somewhere to keep the needed state in (init to asciistate()) |
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134 - Column of the current node in the set of ongoing edges. |
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135 - Type indicator of node data == ASCIIDATA. |
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136 - Payload: (char, lines): |
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137 - Character to use as node's symbol. |
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138 - List of lines to display as the node's text. |
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139 - Edges; a list of (col, next_col) indicating the edges between |
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140 the current node and its parents. |
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141 - Number of columns (ongoing edges) in the current revision. |
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142 - The difference between the number of columns (ongoing edges) |
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143 in the next revision and the number of columns (ongoing edges) |
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144 in the current revision. That is: -1 means one column removed; |
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145 0 means no columns added or removed; 1 means one column added. |
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146 """ |
4344 | 147 |
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148 idx, edges, ncols, coldiff = coldata |
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149 assert -2 < coldiff < 2 |
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150 if coldiff == -1: |
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151 # Transform |
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153 # | | | | | | |
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154 # o | | into o---+ |
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155 # |X / |/ / |
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156 # | | | | |
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157 fix_long_right_edges(edges) |
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158 |
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159 # add_padding_line says whether to rewrite |
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160 # |
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161 # | | | | | | | | |
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162 # | o---+ into | o---+ |
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163 # | / / | | | # <--- padding line |
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164 # o | | | / / |
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165 # o | | |
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166 add_padding_line = (len(text) > 2 and coldiff == -1 and |
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167 [x for (x, y) in edges if x + 1 < y]) |
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169 # fix_nodeline_tail says whether to rewrite |
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170 # |
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171 # | | o | | | | o | | |
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172 # | | |/ / | | |/ / |
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173 # | o | | into | o / / # <--- fixed nodeline tail |
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174 # | |/ / | |/ / |
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175 # o | | o | | |
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176 fix_nodeline_tail = len(text) <= 2 and not add_padding_line |
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178 # nodeline is the line containing the node character (typically o) |
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179 nodeline = ["|", " "] * idx |
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180 nodeline.extend([char, " "]) |
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182 nodeline.extend( |
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183 get_nodeline_edges_tail(idx, state[1], ncols, coldiff, |
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184 state[0], fix_nodeline_tail)) |
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186 # shift_interline is the line containing the non-vertical |
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187 # edges between this entry and the next |
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188 shift_interline = ["|", " "] * idx |
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189 if coldiff == -1: |
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190 n_spaces = 1 |
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191 edge_ch = "/" |
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192 elif coldiff == 0: |
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193 n_spaces = 2 |
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194 edge_ch = "|" |
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195 else: |
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196 n_spaces = 3 |
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197 edge_ch = "\\" |
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198 shift_interline.extend(n_spaces * [" "]) |
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199 shift_interline.extend([edge_ch, " "] * (ncols - idx - 1)) |
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201 # draw edges from the current node to its parents |
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202 draw_edges(edges, nodeline, shift_interline) |
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204 # lines is the list of all graph lines to print |
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205 lines = [nodeline] |
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206 if add_padding_line: |
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207 lines.append(get_padding_line(idx, ncols, edges)) |
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208 lines.append(shift_interline) |
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210 # make sure that there are as many graph lines as there are |
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211 # log strings |
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212 while len(text) < len(lines): |
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213 text.append("") |
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214 if len(lines) < len(text): |
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215 extra_interline = ["|", " "] * (ncols + coldiff) |
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216 while len(lines) < len(text): |
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217 lines.append(extra_interline) |
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219 # print lines |
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220 indentation_level = max(ncols, ncols + coldiff) |
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221 for (line, logstr) in zip(lines, text): |
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222 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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223 ui.write(ln.rstrip() + '\n') |
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225 # ... and start over |
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226 state[0] = coldiff |
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227 state[1] = idx |
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229 def check_unsupported_flags(pats, opts): |
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230 for op in ["newest_first"]: |
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231 if op in opts and opts[op]: |
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232 raise util.Abort(_("-G/--graph option is incompatible with --%s") |
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233 % op.replace("_", "-")) |
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234 |
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235 def _makefilematcher(repo, pats, followfirst): |
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236 # When displaying a revision with --patch --follow FILE, we have |
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237 # to know which file of the revision must be diffed. With |
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238 # --follow, we want the names of the ancestors of FILE in the |
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239 # revision, stored in "fcache". "fcache" is populated by |
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240 # reproducing the graph traversal already done by --follow revset |
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241 # and relating linkrevs to file names (which is not "correct" but |
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242 # good enough). |
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243 fcache = {} |
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244 fcacheready = [False] |
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245 pctx = repo['.'] |
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246 wctx = repo[None] |
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247 |
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248 def populate(): |
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249 for fn in pats: |
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250 for i in ((pctx[fn],), pctx[fn].ancestors(followfirst=followfirst)): |
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251 for c in i: |
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252 fcache.setdefault(c.linkrev(), set()).add(c.path()) |
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253 |
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254 def filematcher(rev): |
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255 if not fcacheready[0]: |
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256 # Lazy initialization |
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257 fcacheready[0] = True |
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258 populate() |
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259 return scmutil.match(wctx, fcache.get(rev, []), default='path') |
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260 |
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261 return filematcher |
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262 |
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263 def _makelogrevset(repo, pats, opts, revs): |
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264 """Return (expr, filematcher) where expr is a revset string built |
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265 from log options and file patterns or None. If --stat or --patch |
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266 are not passed filematcher is None. Otherwise it is a callable |
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267 taking a revision number and returning a match objects filtering |
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268 the files to be detailed when displaying the revision. |
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269 """ |
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270 opt2revset = { |
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271 'no_merges': ('not merge()', None), |
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272 'only_merges': ('merge()', None), |
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273 '_ancestors': ('ancestors(%(val)s)', None), |
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274 '_fancestors': ('_firstancestors(%(val)s)', None), |
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275 '_descendants': ('descendants(%(val)s)', None), |
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276 '_fdescendants': ('_firstdescendants(%(val)s)', None), |
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277 '_matchfiles': ('_matchfiles(%(val)s)', None), |
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278 'date': ('date(%(val)r)', None), |
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279 'branch': ('branch(%(val)r)', ' or '), |
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280 '_patslog': ('filelog(%(val)r)', ' or '), |
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281 '_patsfollow': ('follow(%(val)r)', ' or '), |
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282 '_patsfollowfirst': ('_followfirst(%(val)r)', ' or '), |
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283 'keyword': ('keyword(%(val)r)', ' or '), |
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284 'prune': ('not (%(val)r or ancestors(%(val)r))', ' and '), |
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285 'user': ('user(%(val)r)', ' or '), |
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286 } |
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287 |
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288 opts = dict(opts) |
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289 # follow or not follow? |
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290 follow = opts.get('follow') or opts.get('follow_first') |
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291 followfirst = opts.get('follow_first') and 1 or 0 |
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292 # --follow with FILE behaviour depends on revs... |
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293 startrev = revs[0] |
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294 followdescendants = (len(revs) > 1 and revs[0] < revs[1]) and 1 or 0 |
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295 |
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296 # branch and only_branch are really aliases and must be handled at |
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297 # the same time |
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298 opts['branch'] = opts.get('branch', []) + opts.get('only_branch', []) |
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299 opts['branch'] = [repo.lookupbranch(b) for b in opts['branch']] |
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300 # pats/include/exclude are passed to match.match() directly in |
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301 # _matchfile() revset but walkchangerevs() builds its matcher with |
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302 # scmutil.match(). The difference is input pats are globbed on |
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303 # platforms without shell expansion (windows). |
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304 pctx = repo[None] |
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305 match, pats = scmutil.matchandpats(pctx, pats, opts) |
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306 slowpath = match.anypats() or (match.files() and opts.get('removed')) |
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307 if not slowpath: |
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308 for f in match.files(): |
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309 if follow and f not in pctx: |
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310 raise util.Abort(_('cannot follow file not in parent ' |
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311 'revision: "%s"') % f) |
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312 filelog = repo.file(f) |
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313 if not len(filelog): |
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314 # A zero count may be a directory or deleted file, so |
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315 # try to find matching entries on the slow path. |
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316 if follow: |
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317 raise util.Abort( |
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318 _('cannot follow nonexistent file: "%s"') % f) |
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319 slowpath = True |
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320 if slowpath: |
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321 # See cmdutil.walkchangerevs() slow path. |
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322 # |
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323 if follow: |
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324 raise util.Abort(_('can only follow copies/renames for explicit ' |
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325 'filenames')) |
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326 # pats/include/exclude cannot be represented as separate |
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327 # revset expressions as their filtering logic applies at file |
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328 # level. For instance "-I a -X a" matches a revision touching |
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329 # "a" and "b" while "file(a) and not file(b)" does |
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330 # not. Besides, filesets are evaluated against the working |
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331 # directory. |
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332 matchargs = ['r:', 'd:relpath'] |
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333 for p in pats: |
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334 matchargs.append('p:' + p) |
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335 for p in opts.get('include', []): |
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336 matchargs.append('i:' + p) |
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337 for p in opts.get('exclude', []): |
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338 matchargs.append('x:' + p) |
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339 matchargs = ','.join(('%r' % p) for p in matchargs) |
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340 opts['_matchfiles'] = matchargs |
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341 else: |
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342 if follow: |
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343 fpats = ('_patsfollow', '_patsfollowfirst') |
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344 fnopats = (('_ancestors', '_fancestors'), |
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345 ('_descendants', '_fdescendants')) |
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346 if pats: |
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347 # follow() revset inteprets its file argument as a |
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348 # manifest entry, so use match.files(), not pats. |
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349 opts[fpats[followfirst]] = list(match.files()) |
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350 else: |
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351 opts[fnopats[followdescendants][followfirst]] = str(startrev) |
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352 else: |
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353 opts['_patslog'] = list(pats) |
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354 |
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355 filematcher = None |
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356 if opts.get('patch') or opts.get('stat'): |
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357 if follow: |
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358 filematcher = _makefilematcher(repo, pats, followfirst) |
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359 else: |
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360 filematcher = lambda rev: match |
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361 |
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362 expr = [] |
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363 for op, val in opts.iteritems(): |
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364 if not val: |
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365 continue |
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366 if op not in opt2revset: |
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367 continue |
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368 revop, andor = opt2revset[op] |
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369 if '%(val)' not in revop: |
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370 expr.append(revop) |
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371 else: |
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372 if not isinstance(val, list): |
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373 e = revop % {'val': val} |
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374 else: |
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375 e = '(' + andor.join((revop % {'val': v}) for v in val) + ')' |
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376 expr.append(e) |
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377 |
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378 if expr: |
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379 expr = '(' + ' and '.join(expr) + ')' |
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380 else: |
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381 expr = None |
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382 return expr, filematcher |
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383 |
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384 def getlogrevs(repo, pats, opts): |
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385 """Return (revs, expr, filematcher) where revs is an iterable of |
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386 revision numbers, expr is a revset string built from log options |
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387 and file patterns or None, and used to filter 'revs'. If --stat or |
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388 --patch are not passed filematcher is None. Otherwise it is a |
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389 callable taking a revision number and returning a match objects |
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390 filtering the files to be detailed when displaying the revision. |
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391 """ |
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392 def increasingrevs(repo, revs, matcher): |
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393 # The sorted input rev sequence is chopped in sub-sequences |
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394 # which are sorted in ascending order and passed to the |
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395 # matcher. The filtered revs are sorted again as they were in |
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396 # the original sub-sequence. This achieve several things: |
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397 # |
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398 # - getlogrevs() now returns a generator which behaviour is |
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399 # adapted to log need. First results come fast, last ones |
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400 # are batched for performances. |
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401 # |
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402 # - revset matchers often operate faster on revision in |
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403 # changelog order, because most filters deal with the |
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404 # changelog. |
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405 # |
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406 # - revset matchers can reorder revisions. "A or B" typically |
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407 # returns returns the revision matching A then the revision |
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408 # matching B. We want to hide this internal implementation |
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409 # detail from the caller, and sorting the filtered revision |
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410 # again achieves this. |
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411 for i, window in cmdutil.increasingwindows(0, len(revs), windowsize=1): |
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412 orevs = revs[i:i + window] |
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413 nrevs = set(matcher(repo, sorted(orevs))) |
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414 for rev in orevs: |
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415 if rev in nrevs: |
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416 yield rev |
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417 |
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418 if not len(repo): |
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419 return iter([]), None, None |
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420 # Default --rev value depends on --follow but --follow behaviour |
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421 # depends on revisions resolved from --rev... |
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422 follow = opts.get('follow') or opts.get('follow_first') |
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423 if opts.get('rev'): |
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424 revs = scmutil.revrange(repo, opts['rev']) |
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425 else: |
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426 if follow and len(repo) > 0: |
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427 revs = scmutil.revrange(repo, ['.:0']) |
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428 else: |
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429 revs = range(len(repo) - 1, -1, -1) |
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430 if not revs: |
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431 return iter([]), None, None |
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432 expr, filematcher = _makelogrevset(repo, pats, opts, revs) |
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433 if expr: |
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434 matcher = revset.match(repo.ui, expr) |
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435 revs = increasingrevs(repo, revs, matcher) |
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436 if not opts.get('hidden'): |
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437 # --hidden is still experimental and not worth a dedicated revset |
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438 # yet. Fortunately, filtering revision number is fast. |
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439 revs = (r for r in revs if r not in repo.changelog.hiddenrevs) |
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440 else: |
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441 revs = iter(revs) |
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442 return revs, expr, filematcher |
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443 |
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444 def generate(ui, dag, displayer, showparents, edgefn, getrenamed=None, |
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445 filematcher=None): |
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446 seen, state = [], asciistate() |
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447 for rev, type, ctx, parents in dag: |
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448 char = 'o' |
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449 if ctx.node() in showparents: |
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450 char = '@' |
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451 elif ctx.obsolete(): |
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452 char = 'x' |
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453 copies = None |
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454 if getrenamed and ctx.rev(): |
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455 copies = [] |
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456 for fn in ctx.files(): |
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457 rename = getrenamed(fn, ctx.rev()) |
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458 if rename: |
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459 copies.append((fn, rename[0])) |
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460 revmatchfn = None |
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461 if filematcher is not None: |
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462 revmatchfn = filematcher(ctx.rev()) |
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463 displayer.show(ctx, copies=copies, matchfn=revmatchfn) |
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464 lines = displayer.hunk.pop(rev).split('\n') |
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465 if not lines[-1]: |
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466 del lines[-1] |
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467 displayer.flush(rev) |
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468 edges = edgefn(type, char, lines, seen, rev, parents) |
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469 for type, char, lines, coldata in edges: |
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470 ascii(ui, state, type, char, lines, coldata) |
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471 displayer.close() |
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472 |
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473 @command('glog', |
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474 [('f', 'follow', None, |
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475 _('follow changeset history, or file history across copies and renames')), |
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476 ('', 'follow-first', None, |
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477 _('only follow the first parent of merge changesets (DEPRECATED)')), |
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478 ('d', 'date', '', _('show revisions matching date spec'), _('DATE')), |
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479 ('C', 'copies', None, _('show copied files')), |
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480 ('k', 'keyword', [], |
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481 _('do case-insensitive search for a given text'), _('TEXT')), |
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482 ('r', 'rev', [], _('show the specified revision or range'), _('REV')), |
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483 ('', 'removed', None, _('include revisions where files were removed')), |
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484 ('m', 'only-merges', None, _('show only merges (DEPRECATED)')), |
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485 ('u', 'user', [], _('revisions committed by user'), _('USER')), |
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486 ('', 'only-branch', [], |
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487 _('show only changesets within the given named branch (DEPRECATED)'), |
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488 _('BRANCH')), |
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489 ('b', 'branch', [], |
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490 _('show changesets within the given named branch'), _('BRANCH')), |
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491 ('P', 'prune', [], |
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492 _('do not display revision or any of its ancestors'), _('REV')), |
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493 ('', 'hidden', False, _('show hidden changesets (DEPRECATED)')), |
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494 ] + commands.logopts + commands.walkopts, |
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495 _('[OPTION]... [FILE]')) |
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496 def graphlog(ui, repo, *pats, **opts): |
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497 """show revision history alongside an ASCII revision graph |
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498 |
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499 Print a revision history alongside a revision graph drawn with |
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500 ASCII characters. |
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501 |
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502 Nodes printed as an @ character are parents of the working |
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503 directory. |
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504 """ |
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505 |
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506 revs, expr, filematcher = getlogrevs(repo, pats, opts) |
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507 revs = sorted(revs, reverse=1) |
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508 limit = cmdutil.loglimit(opts) |
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509 if limit is not None: |
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510 revs = revs[:limit] |
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511 revdag = graphmod.dagwalker(repo, revs) |
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512 |
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513 getrenamed = None |
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514 if opts.get('copies'): |
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515 endrev = None |
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516 if opts.get('rev'): |
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517 endrev = max(scmutil.revrange(repo, opts.get('rev'))) + 1 |
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518 getrenamed = templatekw.getrenamedfn(repo, endrev=endrev) |
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519 displayer = show_changeset(ui, repo, opts, buffered=True) |
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520 showparents = [ctx.node() for ctx in repo[None].parents()] |
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521 generate(ui, revdag, displayer, showparents, asciiedges, getrenamed, |
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522 filematcher) |
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523 |
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524 def graphrevs(repo, nodes, opts): |
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525 limit = cmdutil.loglimit(opts) |
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526 nodes.reverse() |
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527 if limit is not None: |
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528 nodes = nodes[:limit] |
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529 return graphmod.nodes(repo, nodes) |
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530 |
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531 def goutgoing(ui, repo, dest=None, **opts): |
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532 """show the outgoing changesets alongside an ASCII revision graph |
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533 |
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534 Print the outgoing changesets alongside a revision graph drawn with |
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535 ASCII characters. |
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536 |
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537 Nodes printed as an @ character are parents of the working |
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538 directory. |
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539 """ |
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540 |
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541 check_unsupported_flags([], opts) |
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542 o = hg._outgoing(ui, repo, dest, opts) |
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543 if o is None: |
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544 return |
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545 |
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546 revdag = graphrevs(repo, o, opts) |
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547 displayer = show_changeset(ui, repo, opts, buffered=True) |
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548 showparents = [ctx.node() for ctx in repo[None].parents()] |
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549 generate(ui, revdag, displayer, showparents, asciiedges) |
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550 |
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551 def gincoming(ui, repo, source="default", **opts): |
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552 """show the incoming changesets alongside an ASCII revision graph |
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553 |
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554 Print the incoming changesets alongside a revision graph drawn with |
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555 ASCII characters. |
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556 |
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557 Nodes printed as an @ character are parents of the working |
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558 directory. |
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559 """ |
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560 def subreporecurse(): |
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561 return 1 |
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562 |
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563 check_unsupported_flags([], opts) |
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564 def display(other, chlist, displayer): |
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565 revdag = graphrevs(other, chlist, opts) |
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566 showparents = [ctx.node() for ctx in repo[None].parents()] |
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567 generate(ui, revdag, displayer, showparents, asciiedges) |
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568 |
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569 hg._incoming(display, subreporecurse, ui, repo, source, opts, buffered=True) |
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570 |
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571 def uisetup(ui): |
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572 '''Initialize the extension.''' |
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573 _wrapcmd('log', commands.table, graphlog) |
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574 _wrapcmd('incoming', commands.table, gincoming) |
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575 _wrapcmd('outgoing', commands.table, goutgoing) |
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576 |
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577 def _wrapcmd(cmd, table, wrapfn): |
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578 '''wrap the command''' |
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579 def graph(orig, *args, **kwargs): |
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580 if kwargs['graph']: |
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581 return wrapfn(*args, **kwargs) |
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582 return orig(*args, **kwargs) |
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583 entry = extensions.wrapcommand(table, cmd, graph) |
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|
584 entry[1].append(('G', 'graph', None, _("show the revision DAG"))) |