Mercurial > hg
annotate hgext/graphlog.py @ 14083:2520ebfd9f5c
graphlog: escape log -G single value option arguments
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 30 Apr 2011 19:42:00 +0200 |
parents | 176b3abb5b8b |
children | 2285e5c97f72 |
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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 |
15 from mercurial.cmdutil import revrange, show_changeset | |
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16 from mercurial.commands import templateopts |
4344 | 17 from mercurial.i18n import _ |
6212 | 18 from mercurial.node import nullrev |
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19 from mercurial import cmdutil, commands, extensions |
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20 from mercurial import hg, scmutil, util, graphmod |
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21 |
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22 ASCIIDATA = 'ASC' |
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23 |
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24 def asciiedges(seen, rev, parents): |
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25 """adds edge info to changelog DAG walk suitable for ascii()""" |
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26 if rev not in seen: |
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27 seen.append(rev) |
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28 nodeidx = seen.index(rev) |
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29 |
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30 knownparents = [] |
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31 newparents = [] |
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32 for parent in parents: |
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33 if parent in seen: |
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34 knownparents.append(parent) |
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35 else: |
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36 newparents.append(parent) |
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37 |
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38 ncols = len(seen) |
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39 seen[nodeidx:nodeidx + 1] = newparents |
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40 edges = [(nodeidx, seen.index(p)) for p in knownparents] |
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41 |
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42 if len(newparents) > 0: |
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43 edges.append((nodeidx, nodeidx)) |
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44 if len(newparents) > 1: |
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45 edges.append((nodeidx, nodeidx + 1)) |
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46 |
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47 nmorecols = len(seen) - ncols |
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48 return nodeidx, edges, ncols, nmorecols |
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49 |
4344 | 50 def fix_long_right_edges(edges): |
51 for (i, (start, end)) in enumerate(edges): | |
52 if end > start: | |
53 edges[i] = (start, end + 1) | |
54 | |
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55 def get_nodeline_edges_tail( |
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56 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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57 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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58 # Still going in the same non-vertical direction. |
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59 if n_columns_diff == -1: |
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60 start = max(node_index + 1, p_node_index) |
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61 tail = ["|", " "] * (start - node_index - 1) |
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62 tail.extend(["/", " "] * (n_columns - start)) |
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63 return tail |
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64 else: |
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65 return ["\\", " "] * (n_columns - node_index - 1) |
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66 else: |
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67 return ["|", " "] * (n_columns - node_index - 1) |
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68 |
4344 | 69 def draw_edges(edges, nodeline, interline): |
70 for (start, end) in edges: | |
71 if start == end + 1: | |
72 interline[2 * end + 1] = "/" | |
73 elif start == end - 1: | |
74 interline[2 * start + 1] = "\\" | |
75 elif start == end: | |
76 interline[2 * start] = "|" | |
77 else: | |
78 nodeline[2 * end] = "+" | |
79 if start > end: | |
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80 (start, end) = (end, start) |
4344 | 81 for i in range(2 * start + 1, 2 * end): |
82 if nodeline[i] != "+": | |
83 nodeline[i] = "-" | |
84 | |
85 def get_padding_line(ni, n_columns, edges): | |
86 line = [] | |
87 line.extend(["|", " "] * ni) | |
88 if (ni, ni - 1) in edges or (ni, ni) in edges: | |
89 # (ni, ni - 1) (ni, ni) | |
90 # | | | | | | | | | |
91 # +---o | | o---+ | |
92 # | | c | | c | | | |
93 # | |/ / | |/ / | |
94 # | | | | | | | |
95 c = "|" | |
96 else: | |
97 c = " " | |
98 line.extend([c, " "]) | |
99 line.extend(["|", " "] * (n_columns - ni - 1)) | |
100 return line | |
101 | |
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102 def asciistate(): |
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103 """returns the initial value for the "state" argument to ascii()""" |
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104 return [0, 0] |
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105 |
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106 def ascii(ui, state, type, char, text, coldata): |
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107 """prints an ASCII graph of the DAG |
4344 | 108 |
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109 takes the following arguments (one call per node in the graph): |
4344 | 110 |
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111 - ui to write to |
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112 - Somewhere to keep the needed state in (init to asciistate()) |
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113 - Column of the current node in the set of ongoing edges. |
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114 - Type indicator of node data == ASCIIDATA. |
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115 - Payload: (char, lines): |
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116 - Character to use as node's symbol. |
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117 - List of lines to display as the node's text. |
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118 - Edges; a list of (col, next_col) indicating the edges between |
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119 the current node and its parents. |
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120 - Number of columns (ongoing edges) in the current revision. |
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121 - The difference between the number of columns (ongoing edges) |
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122 in the next revision and the number of columns (ongoing edges) |
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123 in the current revision. That is: -1 means one column removed; |
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124 0 means no columns added or removed; 1 means one column added. |
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125 """ |
4344 | 126 |
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127 idx, edges, ncols, coldiff = coldata |
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128 assert -2 < coldiff < 2 |
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129 if coldiff == -1: |
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130 # Transform |
4344 | 131 # |
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132 # | | | | | | |
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133 # o | | into o---+ |
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134 # |X / |/ / |
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135 # | | | | |
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136 fix_long_right_edges(edges) |
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137 |
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138 # add_padding_line says whether to rewrite |
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139 # |
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140 # | | | | | | | | |
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141 # | o---+ into | o---+ |
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142 # | / / | | | # <--- padding line |
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143 # o | | | / / |
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144 # o | | |
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145 add_padding_line = (len(text) > 2 and coldiff == -1 and |
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146 [x for (x, y) in edges if x + 1 < y]) |
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148 # fix_nodeline_tail says whether to rewrite |
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149 # |
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150 # | | o | | | | o | | |
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151 # | | |/ / | | |/ / |
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152 # | o | | into | o / / # <--- fixed nodeline tail |
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153 # | |/ / | |/ / |
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154 # o | | o | | |
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155 fix_nodeline_tail = len(text) <= 2 and not add_padding_line |
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157 # nodeline is the line containing the node character (typically o) |
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158 nodeline = ["|", " "] * idx |
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159 nodeline.extend([char, " "]) |
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161 nodeline.extend( |
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162 get_nodeline_edges_tail(idx, state[1], ncols, coldiff, |
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163 state[0], fix_nodeline_tail)) |
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165 # shift_interline is the line containing the non-vertical |
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166 # edges between this entry and the next |
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167 shift_interline = ["|", " "] * idx |
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168 if coldiff == -1: |
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169 n_spaces = 1 |
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170 edge_ch = "/" |
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171 elif coldiff == 0: |
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172 n_spaces = 2 |
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173 edge_ch = "|" |
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174 else: |
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175 n_spaces = 3 |
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176 edge_ch = "\\" |
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177 shift_interline.extend(n_spaces * [" "]) |
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178 shift_interline.extend([edge_ch, " "] * (ncols - idx - 1)) |
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180 # draw edges from the current node to its parents |
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181 draw_edges(edges, nodeline, shift_interline) |
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183 # lines is the list of all graph lines to print |
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184 lines = [nodeline] |
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185 if add_padding_line: |
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186 lines.append(get_padding_line(idx, ncols, edges)) |
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187 lines.append(shift_interline) |
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189 # make sure that there are as many graph lines as there are |
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190 # log strings |
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191 while len(text) < len(lines): |
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192 text.append("") |
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193 if len(lines) < len(text): |
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194 extra_interline = ["|", " "] * (ncols + coldiff) |
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195 while len(lines) < len(text): |
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196 lines.append(extra_interline) |
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198 # print lines |
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199 indentation_level = max(ncols, ncols + coldiff) |
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200 for (line, logstr) in zip(lines, text): |
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201 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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202 ui.write(ln.rstrip() + '\n') |
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204 # ... and start over |
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205 state[0] = coldiff |
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206 state[1] = idx |
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208 def get_revs(repo, rev_opt): |
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209 if rev_opt: |
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210 revs = revrange(repo, rev_opt) |
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211 if len(revs) == 0: |
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212 return (nullrev, nullrev) |
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213 return (max(revs), min(revs)) |
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214 else: |
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215 return (len(repo) - 1, 0) |
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216 |
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217 def check_unsupported_flags(opts): |
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218 for op in ["follow_first", "copies", "newest_first"]: |
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219 if op in opts and opts[op]: |
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220 raise util.Abort(_("-G/--graph option is incompatible with --%s") |
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221 % op.replace("_", "-")) |
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222 |
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223 def revset(pats, opts): |
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224 """Return revset str built of revisions, log options and file patterns. |
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225 """ |
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226 opt2revset = dict(only_merges='merge()', |
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227 only_branch='branch', |
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228 no_merges='not merge()', |
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229 include='file', |
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230 exclude='not file', |
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231 prune='not follow', |
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232 follow='follow()', |
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233 removed='removes("*")') |
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234 revset = [] |
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235 for op, val in opts.iteritems(): |
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236 if not val: |
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237 continue |
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238 revop = opt2revset.get(op, op) |
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239 if op in ('follow', 'only_merges', 'no_merges', 'removed'): |
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240 revset.append('%s' % revop) |
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241 elif op in ('date',): |
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242 revset.append('%s(%r)' % (revop, val)) |
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243 elif op in ('include', 'exclude', 'user', 'branch', 'keyword', |
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244 'prune', 'only_branch'): |
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245 for f in val: |
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246 revset.append('%s(%r)' % (revop, f)) |
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247 elif op == 'rev': |
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248 revset.extend(val) |
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249 |
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250 for path in pats: |
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251 revset.append('file(%r)' % path) |
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252 |
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253 revset = ' and '.join(revset) or 'all()' |
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254 # we want reverted revset to build graph |
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255 revset = 'reverse(%s)' % revset |
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256 if opts['limit']: |
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257 revset = 'limit(%s, %s)' % (revset, opts['limit']) |
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258 return revset |
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259 |
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260 def generate(ui, dag, displayer, showparents, edgefn): |
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261 seen, state = [], asciistate() |
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262 for rev, type, ctx, parents in dag: |
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263 char = ctx.node() in showparents and '@' or 'o' |
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264 displayer.show(ctx) |
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265 lines = displayer.hunk.pop(rev).split('\n')[:-1] |
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266 displayer.flush(rev) |
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267 ascii(ui, state, type, char, lines, edgefn(seen, rev, parents)) |
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268 displayer.close() |
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269 |
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270 def graphlog(ui, repo, *pats, **opts): |
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271 """show revision history alongside an ASCII revision graph |
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272 |
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273 Print a revision history alongside a revision graph drawn with |
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274 ASCII characters. |
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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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280 check_unsupported_flags(opts) |
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281 |
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282 revs = revrange(repo, [revset(pats, opts)]) |
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283 revdag = graphmod.dagwalker(repo, revs) |
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284 |
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285 displayer = show_changeset(ui, repo, opts, buffered=True) |
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286 showparents = [ctx.node() for ctx in repo[None].parents()] |
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287 generate(ui, revdag, displayer, showparents, asciiedges) |
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288 |
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289 def graphrevs(repo, nodes, opts): |
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290 limit = cmdutil.loglimit(opts) |
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291 nodes.reverse() |
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292 if limit is not None: |
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293 nodes = nodes[:limit] |
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294 return graphmod.nodes(repo, nodes) |
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295 |
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296 def goutgoing(ui, repo, dest=None, **opts): |
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297 """show the outgoing changesets alongside an ASCII revision graph |
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298 |
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299 Print the outgoing changesets alongside a revision graph drawn with |
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300 ASCII characters. |
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301 |
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302 Nodes printed as an @ character are parents of the working |
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303 directory. |
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304 """ |
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305 |
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306 check_unsupported_flags(opts) |
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307 o = hg._outgoing(ui, repo, dest, opts) |
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308 if o is None: |
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309 return |
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310 |
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311 revdag = graphrevs(repo, o, opts) |
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312 displayer = show_changeset(ui, repo, opts, buffered=True) |
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313 showparents = [ctx.node() for ctx in repo[None].parents()] |
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314 generate(ui, revdag, displayer, showparents, asciiedges) |
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315 |
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316 def gincoming(ui, repo, source="default", **opts): |
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317 """show the incoming changesets alongside an ASCII revision graph |
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318 |
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319 Print the incoming changesets alongside a revision graph drawn with |
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320 ASCII characters. |
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321 |
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322 Nodes printed as an @ character are parents of the working |
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323 directory. |
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324 """ |
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325 def subreporecurse(): |
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326 return 1 |
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327 |
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328 check_unsupported_flags(opts) |
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329 def display(other, chlist, displayer): |
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330 revdag = graphrevs(other, chlist, opts) |
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331 showparents = [ctx.node() for ctx in repo[None].parents()] |
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332 generate(ui, revdag, displayer, showparents, asciiedges) |
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333 |
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334 hg._incoming(display, subreporecurse, ui, repo, source, opts, buffered=True) |
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335 |
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336 def uisetup(ui): |
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337 '''Initialize the extension.''' |
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338 _wrapcmd(ui, 'log', commands.table, graphlog) |
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339 _wrapcmd(ui, 'incoming', commands.table, gincoming) |
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340 _wrapcmd(ui, 'outgoing', commands.table, goutgoing) |
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341 |
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342 def _wrapcmd(ui, cmd, table, wrapfn): |
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343 '''wrap the command''' |
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344 def graph(orig, *args, **kwargs): |
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345 if kwargs['graph']: |
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346 return wrapfn(*args, **kwargs) |
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347 return orig(*args, **kwargs) |
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348 entry = extensions.wrapcommand(table, cmd, graph) |
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349 entry[1].append(('G', 'graph', None, _("show the revision DAG"))) |
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350 |
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352 "glog": | |
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353 (graphlog, |
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354 [('l', 'limit', '', |
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355 _('limit number of changes displayed'), _('NUM')), |
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356 ('p', 'patch', False, _('show patch')), |
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357 ('r', 'rev', [], |
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358 _('show the specified revision or range'), _('REV')), |
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359 ] + templateopts, |
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360 _('hg glog [OPTION]... [FILE]')), |
4344 | 361 } |