Mercurial > hg
annotate hgext/graphlog.py @ 7435:5e13df32fb74
bundlerepo doesn't really have a dirstate, throw AttributeError if requested
author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
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date | Thu, 27 Nov 2008 16:07:17 +0100 |
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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 # |
4344 | 5 # This software may be used and distributed according to the terms of |
6 # the GNU General Public License, incorporated herein by reference. | |
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7 '''show revision graphs in terminal windows |
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8 |
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9 This extension adds a --graph option to the incoming, outgoing and log |
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10 commands. When this options is given, an ascii representation of the |
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11 revision graph is also shown. |
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12 ''' |
4344 | 13 |
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14 import os |
4344 | 15 import sys |
16 from mercurial.cmdutil import revrange, show_changeset | |
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17 from mercurial.commands import templateopts, logopts, remoteopts |
4344 | 18 from mercurial.i18n import _ |
6212 | 19 from mercurial.node import nullrev |
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20 from mercurial.util import Abort, canonpath |
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21 from mercurial import bundlerepo, changegroup, cmdutil, commands, extensions |
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22 from mercurial import hg, ui, url |
4344 | 23 |
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24 def revisions(repo, start, stop): |
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25 """cset DAG generator yielding (rev, node, [parents]) tuples |
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26 |
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27 This generator function walks through the revision history from revision |
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28 start to revision stop (which must be less than or equal to start). |
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29 """ |
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30 assert start >= stop |
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31 cur = start |
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32 while cur >= stop: |
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33 ctx = repo[cur] |
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34 parents = [p.rev() for p in ctx.parents() if p.rev() != nullrev] |
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35 parents.sort() |
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36 yield (ctx, parents) |
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37 cur -= 1 |
4344 | 38 |
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39 def filerevs(repo, path, start, stop): |
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40 """file cset DAG generator yielding (rev, node, [parents]) tuples |
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41 |
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42 This generator function walks through the revision history of a single |
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43 file from revision start to revision stop (which must be less than or |
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44 equal to start). |
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45 """ |
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46 assert start >= stop |
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47 filerev = len(repo.file(path)) - 1 |
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48 while filerev >= 0: |
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49 fctx = repo.filectx(path, fileid=filerev) |
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50 parents = [f.linkrev() for f in fctx.parents() if f.path() == path] |
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51 parents.sort() |
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52 if fctx.rev() <= start: |
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53 yield (fctx, parents) |
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54 if fctx.rev() <= stop: |
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55 break |
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56 filerev -= 1 |
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57 |
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58 def grapher(nodes): |
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59 """grapher for asciigraph on a list of nodes and their parents |
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60 |
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61 nodes must generate tuples (node, parents, char, lines) where |
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62 - parents must generate the parents of node, in sorted order, |
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63 and max length 2, |
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64 - char is the char to print as the node symbol, and |
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65 - lines are the lines to display next to the node. |
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66 """ |
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67 seen = [] |
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68 for node, parents, char, lines in nodes: |
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69 if node not in seen: |
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70 seen.append(node) |
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71 nodeidx = seen.index(node) |
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72 |
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73 knownparents = [] |
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74 newparents = [] |
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75 for parent in parents: |
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76 if parent in seen: |
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77 knownparents.append(parent) |
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78 else: |
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79 newparents.append(parent) |
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80 |
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81 ncols = len(seen) |
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82 nextseen = seen[:] |
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83 nextseen[nodeidx:nodeidx + 1] = newparents |
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84 edges = [(nodeidx, nextseen.index(p)) for p in knownparents] |
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85 |
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86 if len(newparents) > 0: |
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87 edges.append((nodeidx, nodeidx)) |
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88 if len(newparents) > 1: |
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89 edges.append((nodeidx, nodeidx + 1)) |
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90 nmorecols = len(nextseen) - ncols |
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91 seen = nextseen |
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92 yield (char, lines, nodeidx, edges, ncols, nmorecols) |
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93 |
4344 | 94 def fix_long_right_edges(edges): |
95 for (i, (start, end)) in enumerate(edges): | |
96 if end > start: | |
97 edges[i] = (start, end + 1) | |
98 | |
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99 def get_nodeline_edges_tail( |
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100 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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101 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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102 # Still going in the same non-vertical direction. |
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103 if n_columns_diff == -1: |
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104 start = max(node_index + 1, p_node_index) |
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105 tail = ["|", " "] * (start - node_index - 1) |
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106 tail.extend(["/", " "] * (n_columns - start)) |
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107 return tail |
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108 else: |
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109 return ["\\", " "] * (n_columns - node_index - 1) |
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110 else: |
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111 return ["|", " "] * (n_columns - node_index - 1) |
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112 |
4344 | 113 def draw_edges(edges, nodeline, interline): |
114 for (start, end) in edges: | |
115 if start == end + 1: | |
116 interline[2 * end + 1] = "/" | |
117 elif start == end - 1: | |
118 interline[2 * start + 1] = "\\" | |
119 elif start == end: | |
120 interline[2 * start] = "|" | |
121 else: | |
122 nodeline[2 * end] = "+" | |
123 if start > end: | |
124 (start, end) = (end,start) | |
125 for i in range(2 * start + 1, 2 * end): | |
126 if nodeline[i] != "+": | |
127 nodeline[i] = "-" | |
128 | |
129 def get_padding_line(ni, n_columns, edges): | |
130 line = [] | |
131 line.extend(["|", " "] * ni) | |
132 if (ni, ni - 1) in edges or (ni, ni) in edges: | |
133 # (ni, ni - 1) (ni, ni) | |
134 # | | | | | | | | | |
135 # +---o | | o---+ | |
136 # | | c | | c | | | |
137 # | |/ / | |/ / | |
138 # | | | | | | | |
139 c = "|" | |
140 else: | |
141 c = " " | |
142 line.extend([c, " "]) | |
143 line.extend(["|", " "] * (n_columns - ni - 1)) | |
144 return line | |
145 | |
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146 def ascii(ui, grapher): |
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147 """prints an ASCII graph of the DAG returned by the grapher |
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149 grapher is a generator that emits tuples with the following elements: |
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151 - Character to use as node's symbol. |
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152 - List of lines to display as the node's text. |
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153 - Column of the current node in the set of ongoing edges. |
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154 - Edges; a list of (col, next_col) indicating the edges between |
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155 the current node and its parents. |
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156 - Number of columns (ongoing edges) in the current revision. |
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157 - The difference between the number of columns (ongoing edges) |
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158 in the next revision and the number of columns (ongoing edges) |
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159 in the current revision. That is: -1 means one column removed; |
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160 0 means no columns added or removed; 1 means one column added. |
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161 """ |
4344 | 162 prev_n_columns_diff = 0 |
163 prev_node_index = 0 | |
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164 for (node_ch, node_lines, node_index, edges, n_columns, n_columns_diff) in grapher: |
4344 | 165 |
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166 assert -2 < n_columns_diff < 2 |
4344 | 167 if n_columns_diff == -1: |
168 # Transform | |
169 # | |
170 # | | | | | | | |
171 # o | | into o---+ | |
172 # |X / |/ / | |
173 # | | | | | |
174 fix_long_right_edges(edges) | |
175 | |
176 # add_padding_line says whether to rewrite | |
177 # | |
178 # | | | | | | | | | |
179 # | o---+ into | o---+ | |
180 # | / / | | | # <--- padding line | |
181 # o | | | / / | |
182 # o | | | |
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183 add_padding_line = (len(node_lines) > 2 and |
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184 n_columns_diff == -1 and |
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185 [x for (x, y) in edges if x + 1 < y]) |
4344 | 186 |
187 # fix_nodeline_tail says whether to rewrite | |
188 # | |
189 # | | o | | | | o | | | |
190 # | | |/ / | | |/ / | |
191 # | o | | into | o / / # <--- fixed nodeline tail | |
192 # | |/ / | |/ / | |
193 # o | | o | | | |
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194 fix_nodeline_tail = len(node_lines) <= 2 and not add_padding_line |
4344 | 195 |
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196 # nodeline is the line containing the node character (typically o) |
4344 | 197 nodeline = ["|", " "] * node_index |
198 nodeline.extend([node_ch, " "]) | |
199 | |
200 nodeline.extend( | |
201 get_nodeline_edges_tail( | |
202 node_index, prev_node_index, n_columns, n_columns_diff, | |
203 prev_n_columns_diff, fix_nodeline_tail)) | |
204 | |
205 # shift_interline is the line containing the non-vertical | |
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206 # edges between this entry and the next |
4344 | 207 shift_interline = ["|", " "] * node_index |
208 if n_columns_diff == -1: | |
209 n_spaces = 1 | |
210 edge_ch = "/" | |
211 elif n_columns_diff == 0: | |
212 n_spaces = 2 | |
213 edge_ch = "|" | |
214 else: | |
215 n_spaces = 3 | |
216 edge_ch = "\\" | |
217 shift_interline.extend(n_spaces * [" "]) | |
218 shift_interline.extend([edge_ch, " "] * (n_columns - node_index - 1)) | |
219 | |
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220 # draw edges from the current node to its parents |
4344 | 221 draw_edges(edges, nodeline, shift_interline) |
222 | |
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223 # lines is the list of all graph lines to print |
4344 | 224 lines = [nodeline] |
225 if add_padding_line: | |
226 lines.append(get_padding_line(node_index, n_columns, edges)) | |
227 lines.append(shift_interline) | |
228 | |
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229 # make sure that there are as many graph lines as there are |
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230 # log strings |
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231 while len(node_lines) < len(lines): |
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232 node_lines.append("") |
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233 if len(lines) < len(node_lines): |
4344 | 234 extra_interline = ["|", " "] * (n_columns + n_columns_diff) |
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235 while len(lines) < len(node_lines): |
4344 | 236 lines.append(extra_interline) |
237 | |
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238 # print lines |
4344 | 239 indentation_level = max(n_columns, n_columns + n_columns_diff) |
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240 for (line, logstr) in zip(lines, node_lines): |
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241 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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242 ui.write(ln.rstrip() + '\n') |
4344 | 243 |
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244 # ... and start over |
4344 | 245 prev_node_index = node_index |
246 prev_n_columns_diff = n_columns_diff | |
247 | |
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248 def get_limit(limit_opt): |
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249 if limit_opt: |
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250 try: |
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251 limit = int(limit_opt) |
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252 except ValueError: |
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253 raise Abort(_("limit must be a positive integer")) |
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254 if limit <= 0: |
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255 raise Abort(_("limit must be positive")) |
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256 else: |
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257 limit = sys.maxint |
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258 return limit |
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259 |
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260 def get_revs(repo, rev_opt): |
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261 if rev_opt: |
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262 revs = revrange(repo, rev_opt) |
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263 return (max(revs), min(revs)) |
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264 else: |
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265 return (len(repo) - 1, 0) |
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266 |
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267 def check_unsupported_flags(opts): |
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268 for op in ["follow", "follow_first", "date", "copies", "keyword", "remove", |
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269 "only_merges", "user", "only_branch", "prune", "newest_first", |
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270 "no_merges", "include", "exclude"]: |
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271 if op in opts and opts[op]: |
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272 raise Abort(_("--graph option is incompatible with --%s") % op) |
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273 |
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274 |
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275 def graphlog(ui, repo, path=None, **opts): |
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276 """show revision history alongside an ASCII revision graph |
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277 |
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278 Print a revision history alongside a revision graph drawn with |
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279 ASCII characters. |
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280 |
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281 Nodes printed as an @ character are parents of the working |
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282 directory. |
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283 """ |
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284 |
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285 check_unsupported_flags(opts) |
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286 limit = get_limit(opts["limit"]) |
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287 start, stop = get_revs(repo, opts["rev"]) |
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288 stop = max(stop, start - limit + 1) |
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289 if start == nullrev: |
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290 return |
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291 |
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292 if path: |
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293 path = canonpath(repo.root, os.getcwd(), path) |
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294 if path: # could be reset in canonpath |
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295 revdag = filerevs(repo, path, start, stop) |
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296 else: |
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297 revdag = revisions(repo, start, stop) |
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298 |
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299 repo_parents = repo.dirstate.parents() |
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300 displayer = show_changeset(ui, repo, opts, buffered=True) |
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301 def graphabledag(): |
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302 for (ctx, parents) in revdag: |
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303 # log_strings is the list of all log strings to draw alongside |
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304 # the graph. |
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305 displayer.show(ctx) |
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306 lines = displayer.hunk.pop(ctx.rev()).split("\n")[:-1] |
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307 char = ctx.node() in repo_parents and '@' or 'o' |
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308 yield (ctx.rev(), parents, char, lines) |
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309 |
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310 ascii(ui, grapher(graphabledag())) |
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311 |
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312 def outgoing_revs(ui, repo, dest, opts): |
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313 """cset DAG generator yielding (node, [parents]) tuples |
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314 |
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315 This generator function walks through the revisions not found |
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316 in the destination |
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317 """ |
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318 limit = cmdutil.loglimit(opts) |
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319 dest, revs, checkout = hg.parseurl( |
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320 ui.expandpath(dest or 'default-push', dest or 'default'), |
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321 opts.get('rev')) |
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322 cmdutil.setremoteconfig(ui, opts) |
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323 if revs: |
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324 revs = [repo.lookup(rev) for rev in revs] |
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325 other = hg.repository(ui, dest) |
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326 ui.status(_('comparing with %s\n') % url.hidepassword(dest)) |
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327 o = repo.findoutgoing(other, force=opts.get('force')) |
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328 if not o: |
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329 ui.status(_("no changes found\n")) |
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330 return |
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331 o = repo.changelog.nodesbetween(o, revs)[0] |
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332 o.reverse() |
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333 revdict = {} |
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334 for n in o: |
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335 revdict[repo.changectx(n).rev()]=True |
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336 count = 0 |
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337 for n in o: |
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338 if count >= limit: |
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339 break |
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340 ctx = repo.changectx(n) |
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341 parents = [p.rev() for p in ctx.parents() if p.rev() in revdict] |
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342 parents.sort() |
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343 yield (ctx, parents) |
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344 count += 1 |
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345 |
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346 def goutgoing(ui, repo, dest=None, **opts): |
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347 """show the outgoing changesets alongside an ASCII revision graph |
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348 |
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349 Print the outgoing changesets alongside a revision graph drawn with |
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350 ASCII characters. |
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351 |
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352 Nodes printed as an @ character are parents of the working |
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353 directory. |
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354 """ |
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355 check_unsupported_flags(opts) |
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356 revdag = outgoing_revs(ui, repo, dest, opts) |
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357 repo_parents = repo.dirstate.parents() |
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358 displayer = show_changeset(ui, repo, opts, buffered=True) |
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359 def graphabledag(): |
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360 for (ctx, parents) in revdag: |
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361 # log_strings is the list of all log strings to draw alongside |
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362 # the graph. |
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363 displayer.show(ctx) |
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364 lines = displayer.hunk.pop(ctx.rev()).split("\n")[:-1] |
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365 char = ctx.node() in repo_parents and '@' or 'o' |
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366 yield (ctx.rev(), parents, char, lines) |
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367 |
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368 ascii(ui, grapher(graphabledag())) |
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369 |
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370 def incoming_revs(other, chlist, opts): |
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371 """cset DAG generator yielding (node, [parents]) tuples |
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372 |
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373 This generator function walks through the revisions of the destination |
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374 not found in repo |
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375 """ |
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376 limit = cmdutil.loglimit(opts) |
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377 chlist.reverse() |
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378 revdict = {} |
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379 for n in chlist: |
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380 revdict[other.changectx(n).rev()]=True |
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381 count = 0 |
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382 for n in chlist: |
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383 if count >= limit: |
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384 break |
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385 ctx = other.changectx(n) |
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386 parents = [p.rev() for p in ctx.parents() if p.rev() in revdict] |
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387 parents.sort() |
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388 yield (ctx, parents) |
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389 count += 1 |
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390 |
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391 def gincoming(ui, repo, source="default", **opts): |
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392 """show the incoming changesets alongside an ASCII revision graph |
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393 |
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394 Print the incoming changesets alongside a revision graph drawn with |
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395 ASCII characters. |
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396 |
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397 Nodes printed as an @ character are parents of the working |
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398 directory. |
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399 """ |
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400 |
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401 check_unsupported_flags(opts) |
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402 source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev')) |
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403 cmdutil.setremoteconfig(ui, opts) |
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404 |
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405 other = hg.repository(ui, source) |
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406 ui.status(_('comparing with %s\n') % url.hidepassword(source)) |
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407 if revs: |
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408 revs = [other.lookup(rev) for rev in revs] |
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409 incoming = repo.findincoming(other, heads=revs, force=opts["force"]) |
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410 if not incoming: |
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411 try: |
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412 os.unlink(opts["bundle"]) |
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413 except: |
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414 pass |
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415 ui.status(_("no changes found\n")) |
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416 return |
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417 |
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418 cleanup = None |
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419 try: |
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420 fname = opts["bundle"] |
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421 if fname or not other.local(): |
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422 # create a bundle (uncompressed if other repo is not local) |
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423 if revs is None: |
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424 cg = other.changegroup(incoming, "incoming") |
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425 else: |
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426 cg = other.changegroupsubset(incoming, revs, 'incoming') |
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427 bundletype = other.local() and "HG10BZ" or "HG10UN" |
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428 fname = cleanup = changegroup.writebundle(cg, fname, bundletype) |
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429 # keep written bundle? |
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430 if opts["bundle"]: |
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431 cleanup = None |
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432 if not other.local(): |
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433 # use the created uncompressed bundlerepo |
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434 other = bundlerepo.bundlerepository(ui, repo.root, fname) |
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435 |
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436 chlist = other.changelog.nodesbetween(incoming, revs)[0] |
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437 revdag = incoming_revs(other, chlist, opts) |
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438 other_parents = [] |
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439 displayer = show_changeset(ui, other, opts, buffered=True) |
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440 def graphabledag(): |
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441 for (ctx, parents) in revdag: |
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442 # log_strings is the list of all log strings to draw alongside |
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443 # the graph. |
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444 displayer.show(ctx) |
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445 lines = displayer.hunk.pop(ctx.rev()).split("\n")[:-1] |
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446 char = ctx.node() in other_parents and '@' or 'o' |
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447 yield (ctx.rev(), parents, char, lines) |
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448 |
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449 ascii(ui, grapher(graphabledag())) |
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450 finally: |
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451 if hasattr(other, 'close'): |
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452 other.close() |
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453 if cleanup: |
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454 os.unlink(cleanup) |
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455 |
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456 def uisetup(ui): |
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457 '''Initialize the extension.''' |
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458 _wrapcmd(ui, 'log', commands.table, graphlog) |
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459 _wrapcmd(ui, 'incoming', commands.table, gincoming) |
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460 _wrapcmd(ui, 'outgoing', commands.table, goutgoing) |
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461 |
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462 def _wrapcmd(ui, cmd, table, wrapfn): |
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463 '''wrap the command''' |
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464 def graph(orig, *args, **kwargs): |
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465 if kwargs['graph']: |
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466 return wrapfn(*args, **kwargs) |
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467 return orig(*args, **kwargs) |
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468 entry = extensions.wrapcommand(table, cmd, graph) |
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469 entry[1].append(('g', 'graph', None, _("show the revision DAG"))) |
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470 |
4344 | 471 cmdtable = { |
472 "glog": | |
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473 (graphlog, |
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474 [('l', 'limit', '', _('limit number of changes displayed')), |
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475 ('p', 'patch', False, _('show patch')), |
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476 ('r', 'rev', [], _('show the specified revision or range')), |
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477 ] + templateopts, |
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478 _('hg glog [OPTION]... [FILE]')), |
4344 | 479 } |