Mercurial > hg
annotate hgext/graphlog.py @ 7763:cdc913e7fc5f
log-like commands now use -G for --graph, -g for --git
author | Jim Correia <jim.correia@pobox.com> |
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date | Sat, 14 Feb 2009 22:41:18 +0100 |
parents | 4ad12930a459 |
children | 4a4c7f6a5912 |
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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 import bundlerepo, changegroup, cmdutil, commands, extensions |
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21 from mercurial import hg, ui, url, util |
4344 | 22 |
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23 def revisions(repo, start, stop): |
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24 """cset DAG generator yielding (rev, node, [parents]) tuples |
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25 |
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26 This generator function walks through the revision history from revision |
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27 start to revision stop (which must be less than or equal to start). |
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28 """ |
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29 assert start >= stop |
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30 cur = start |
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31 while cur >= stop: |
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32 ctx = repo[cur] |
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33 parents = [p.rev() for p in ctx.parents() if p.rev() != nullrev] |
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34 parents.sort() |
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35 yield (ctx, parents) |
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36 cur -= 1 |
4344 | 37 |
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38 def filerevs(repo, path, start, stop): |
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39 """file cset DAG generator yielding (rev, node, [parents]) tuples |
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40 |
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41 This generator function walks through the revision history of a single |
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42 file from revision start to revision stop (which must be less than or |
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43 equal to start). |
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44 """ |
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45 assert start >= stop |
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46 filerev = len(repo.file(path)) - 1 |
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47 while filerev >= 0: |
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48 fctx = repo.filectx(path, fileid=filerev) |
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49 parents = [f.linkrev() for f in fctx.parents() if f.path() == path] |
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50 parents.sort() |
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51 if fctx.rev() <= start: |
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52 yield (fctx, parents) |
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53 if fctx.rev() <= stop: |
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54 break |
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55 filerev -= 1 |
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56 |
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57 def grapher(nodes): |
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58 """grapher for asciigraph on a list of nodes and their parents |
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59 |
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60 nodes must generate tuples (node, parents, char, lines) where |
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61 - parents must generate the parents of node, in sorted order, |
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62 and max length 2, |
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63 - char is the char to print as the node symbol, and |
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64 - lines are the lines to display next to the node. |
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65 """ |
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66 seen = [] |
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67 for node, parents, char, lines in nodes: |
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68 if node not in seen: |
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69 seen.append(node) |
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70 nodeidx = seen.index(node) |
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71 |
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72 knownparents = [] |
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73 newparents = [] |
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74 for parent in parents: |
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75 if parent in seen: |
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76 knownparents.append(parent) |
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77 else: |
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78 newparents.append(parent) |
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79 |
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80 ncols = len(seen) |
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81 nextseen = seen[:] |
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82 nextseen[nodeidx:nodeidx + 1] = newparents |
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83 edges = [(nodeidx, nextseen.index(p)) for p in knownparents] |
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84 |
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85 if len(newparents) > 0: |
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86 edges.append((nodeidx, nodeidx)) |
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87 if len(newparents) > 1: |
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88 edges.append((nodeidx, nodeidx + 1)) |
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89 nmorecols = len(nextseen) - ncols |
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90 seen = nextseen |
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91 yield (char, lines, nodeidx, edges, ncols, nmorecols) |
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92 |
4344 | 93 def fix_long_right_edges(edges): |
94 for (i, (start, end)) in enumerate(edges): | |
95 if end > start: | |
96 edges[i] = (start, end + 1) | |
97 | |
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98 def get_nodeline_edges_tail( |
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99 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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100 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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101 # Still going in the same non-vertical direction. |
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102 if n_columns_diff == -1: |
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103 start = max(node_index + 1, p_node_index) |
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104 tail = ["|", " "] * (start - node_index - 1) |
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105 tail.extend(["/", " "] * (n_columns - start)) |
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106 return tail |
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107 else: |
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108 return ["\\", " "] * (n_columns - node_index - 1) |
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109 else: |
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110 return ["|", " "] * (n_columns - node_index - 1) |
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111 |
4344 | 112 def draw_edges(edges, nodeline, interline): |
113 for (start, end) in edges: | |
114 if start == end + 1: | |
115 interline[2 * end + 1] = "/" | |
116 elif start == end - 1: | |
117 interline[2 * start + 1] = "\\" | |
118 elif start == end: | |
119 interline[2 * start] = "|" | |
120 else: | |
121 nodeline[2 * end] = "+" | |
122 if start > end: | |
123 (start, end) = (end,start) | |
124 for i in range(2 * start + 1, 2 * end): | |
125 if nodeline[i] != "+": | |
126 nodeline[i] = "-" | |
127 | |
128 def get_padding_line(ni, n_columns, edges): | |
129 line = [] | |
130 line.extend(["|", " "] * ni) | |
131 if (ni, ni - 1) in edges or (ni, ni) in edges: | |
132 # (ni, ni - 1) (ni, ni) | |
133 # | | | | | | | | | |
134 # +---o | | o---+ | |
135 # | | c | | c | | | |
136 # | |/ / | |/ / | |
137 # | | | | | | | |
138 c = "|" | |
139 else: | |
140 c = " " | |
141 line.extend([c, " "]) | |
142 line.extend(["|", " "] * (n_columns - ni - 1)) | |
143 return line | |
144 | |
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145 def ascii(ui, grapher): |
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146 """prints an ASCII graph of the DAG returned by the grapher |
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148 grapher is a generator that emits tuples with the following elements: |
4344 | 149 |
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150 - Character to use as node's symbol. |
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151 - List of lines to display as the node's text. |
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152 - Column of the current node in the set of ongoing edges. |
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153 - Edges; a list of (col, next_col) indicating the edges between |
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154 the current node and its parents. |
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155 - Number of columns (ongoing edges) in the current revision. |
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156 - The difference between the number of columns (ongoing edges) |
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157 in the next revision and the number of columns (ongoing edges) |
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158 in the current revision. That is: -1 means one column removed; |
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159 0 means no columns added or removed; 1 means one column added. |
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160 """ |
4344 | 161 prev_n_columns_diff = 0 |
162 prev_node_index = 0 | |
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163 for (node_ch, node_lines, node_index, edges, n_columns, n_columns_diff) in grapher: |
4344 | 164 |
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165 assert -2 < n_columns_diff < 2 |
4344 | 166 if n_columns_diff == -1: |
167 # Transform | |
168 # | |
169 # | | | | | | | |
170 # o | | into o---+ | |
171 # |X / |/ / | |
172 # | | | | | |
173 fix_long_right_edges(edges) | |
174 | |
175 # add_padding_line says whether to rewrite | |
176 # | |
177 # | | | | | | | | | |
178 # | o---+ into | o---+ | |
179 # | / / | | | # <--- padding line | |
180 # o | | | / / | |
181 # o | | | |
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182 add_padding_line = (len(node_lines) > 2 and |
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183 n_columns_diff == -1 and |
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184 [x for (x, y) in edges if x + 1 < y]) |
4344 | 185 |
186 # fix_nodeline_tail says whether to rewrite | |
187 # | |
188 # | | o | | | | o | | | |
189 # | | |/ / | | |/ / | |
190 # | o | | into | o / / # <--- fixed nodeline tail | |
191 # | |/ / | |/ / | |
192 # o | | o | | | |
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193 fix_nodeline_tail = len(node_lines) <= 2 and not add_padding_line |
4344 | 194 |
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195 # nodeline is the line containing the node character (typically o) |
4344 | 196 nodeline = ["|", " "] * node_index |
197 nodeline.extend([node_ch, " "]) | |
198 | |
199 nodeline.extend( | |
200 get_nodeline_edges_tail( | |
201 node_index, prev_node_index, n_columns, n_columns_diff, | |
202 prev_n_columns_diff, fix_nodeline_tail)) | |
203 | |
204 # shift_interline is the line containing the non-vertical | |
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205 # edges between this entry and the next |
4344 | 206 shift_interline = ["|", " "] * node_index |
207 if n_columns_diff == -1: | |
208 n_spaces = 1 | |
209 edge_ch = "/" | |
210 elif n_columns_diff == 0: | |
211 n_spaces = 2 | |
212 edge_ch = "|" | |
213 else: | |
214 n_spaces = 3 | |
215 edge_ch = "\\" | |
216 shift_interline.extend(n_spaces * [" "]) | |
217 shift_interline.extend([edge_ch, " "] * (n_columns - node_index - 1)) | |
218 | |
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219 # draw edges from the current node to its parents |
4344 | 220 draw_edges(edges, nodeline, shift_interline) |
221 | |
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222 # lines is the list of all graph lines to print |
4344 | 223 lines = [nodeline] |
224 if add_padding_line: | |
225 lines.append(get_padding_line(node_index, n_columns, edges)) | |
226 lines.append(shift_interline) | |
227 | |
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228 # make sure that there are as many graph lines as there are |
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229 # log strings |
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230 while len(node_lines) < len(lines): |
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231 node_lines.append("") |
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232 if len(lines) < len(node_lines): |
4344 | 233 extra_interline = ["|", " "] * (n_columns + n_columns_diff) |
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234 while len(lines) < len(node_lines): |
4344 | 235 lines.append(extra_interline) |
236 | |
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237 # print lines |
4344 | 238 indentation_level = max(n_columns, n_columns + n_columns_diff) |
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239 for (line, logstr) in zip(lines, node_lines): |
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240 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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241 ui.write(ln.rstrip() + '\n') |
4344 | 242 |
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243 # ... and start over |
4344 | 244 prev_node_index = node_index |
245 prev_n_columns_diff = n_columns_diff | |
246 | |
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247 def get_revs(repo, rev_opt): |
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248 if rev_opt: |
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249 revs = revrange(repo, rev_opt) |
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250 return (max(revs), min(revs)) |
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251 else: |
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252 return (len(repo) - 1, 0) |
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253 |
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254 def check_unsupported_flags(opts): |
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255 for op in ["follow", "follow_first", "date", "copies", "keyword", "remove", |
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256 "only_merges", "user", "only_branch", "prune", "newest_first", |
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257 "no_merges", "include", "exclude"]: |
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258 if op in opts and opts[op]: |
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259 raise util.Abort(_("--graph option is incompatible with --%s") % op) |
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260 |
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261 def graphlog(ui, repo, path=None, **opts): |
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262 """show revision history alongside an ASCII revision graph |
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263 |
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264 Print a revision history alongside a revision graph drawn with |
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265 ASCII characters. |
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266 |
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267 Nodes printed as an @ character are parents of the working |
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268 directory. |
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269 """ |
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270 |
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271 check_unsupported_flags(opts) |
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272 limit = cmdutil.loglimit(opts) |
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273 start, stop = get_revs(repo, opts["rev"]) |
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274 stop = max(stop, start - limit + 1) |
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275 if start == nullrev: |
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276 return |
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277 |
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278 if path: |
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279 path = util.canonpath(repo.root, os.getcwd(), path) |
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280 if path: # could be reset in canonpath |
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281 revdag = filerevs(repo, path, start, stop) |
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282 else: |
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283 revdag = revisions(repo, start, stop) |
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284 |
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285 graphdag = graphabledag(ui, repo, revdag, opts) |
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286 ascii(ui, grapher(graphdag)) |
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287 |
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288 def graphrevs(repo, nodes, opts): |
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289 nodes.reverse() |
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290 include = util.set(nodes) |
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291 limit = cmdutil.loglimit(opts) |
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292 count = 0 |
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293 for node in nodes: |
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294 if count >= limit: |
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295 break |
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296 ctx = repo[node] |
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297 parents = [p.rev() for p in ctx.parents() if p.node() in include] |
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298 parents.sort() |
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299 yield (ctx, parents) |
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300 count += 1 |
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301 |
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302 def graphabledag(ui, repo, revdag, opts): |
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303 showparents = [ctx.node() for ctx in repo[None].parents()] |
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304 displayer = show_changeset(ui, repo, opts, buffered=True) |
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305 for (ctx, parents) in revdag: |
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306 displayer.show(ctx) |
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307 lines = displayer.hunk.pop(ctx.rev()).split('\n')[:-1] |
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308 char = ctx.node() in showparents and '@' or 'o' |
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309 yield (ctx.rev(), parents, char, lines) |
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310 |
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311 def goutgoing(ui, repo, dest=None, **opts): |
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312 """show the outgoing changesets alongside an ASCII revision graph |
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313 |
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314 Print the outgoing changesets alongside a revision graph drawn with |
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315 ASCII characters. |
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316 |
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317 Nodes printed as an @ character are parents of the working |
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318 directory. |
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319 """ |
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320 |
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321 check_unsupported_flags(opts) |
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322 dest, revs, checkout = hg.parseurl( |
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323 ui.expandpath(dest or 'default-push', dest or 'default'), |
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324 opts.get('rev')) |
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325 cmdutil.setremoteconfig(ui, opts) |
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326 if revs: |
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327 revs = [repo.lookup(rev) for rev in revs] |
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328 other = hg.repository(ui, dest) |
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329 ui.status(_('comparing with %s\n') % url.hidepassword(dest)) |
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330 o = repo.findoutgoing(other, force=opts.get('force')) |
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331 if not o: |
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332 ui.status(_("no changes found\n")) |
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333 return |
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334 |
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335 o = repo.changelog.nodesbetween(o, revs)[0] |
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336 revdag = graphrevs(repo, o, opts) |
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337 graphdag = graphabledag(ui, repo, revdag, opts) |
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338 ascii(ui, grapher(graphdag)) |
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339 |
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340 def gincoming(ui, repo, source="default", **opts): |
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341 """show the incoming changesets alongside an ASCII revision graph |
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342 |
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343 Print the incoming changesets alongside a revision graph drawn with |
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344 ASCII characters. |
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345 |
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346 Nodes printed as an @ character are parents of the working |
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347 directory. |
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348 """ |
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349 |
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350 check_unsupported_flags(opts) |
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351 source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev')) |
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352 cmdutil.setremoteconfig(ui, opts) |
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353 |
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354 other = hg.repository(ui, source) |
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355 ui.status(_('comparing with %s\n') % url.hidepassword(source)) |
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356 if revs: |
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357 revs = [other.lookup(rev) for rev in revs] |
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358 incoming = repo.findincoming(other, heads=revs, force=opts["force"]) |
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359 if not incoming: |
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360 try: |
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361 os.unlink(opts["bundle"]) |
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362 except: |
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363 pass |
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364 ui.status(_("no changes found\n")) |
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365 return |
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366 |
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367 cleanup = None |
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368 try: |
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369 |
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370 fname = opts["bundle"] |
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371 if fname or not other.local(): |
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372 # create a bundle (uncompressed if other repo is not local) |
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373 if revs is None: |
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374 cg = other.changegroup(incoming, "incoming") |
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375 else: |
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376 cg = other.changegroupsubset(incoming, revs, 'incoming') |
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377 bundletype = other.local() and "HG10BZ" or "HG10UN" |
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378 fname = cleanup = changegroup.writebundle(cg, fname, bundletype) |
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379 # keep written bundle? |
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380 if opts["bundle"]: |
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381 cleanup = None |
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382 if not other.local(): |
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383 # use the created uncompressed bundlerepo |
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384 other = bundlerepo.bundlerepository(ui, repo.root, fname) |
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385 |
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386 chlist = other.changelog.nodesbetween(incoming, revs)[0] |
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387 revdag = graphrevs(other, chlist, opts) |
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388 other_parents = [] |
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389 displayer = show_changeset(ui, other, opts, buffered=True) |
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390 graphdag = graphabledag(ui, repo, revdag, opts) |
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391 ascii(ui, grapher(graphdag)) |
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392 |
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393 finally: |
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394 if hasattr(other, 'close'): |
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395 other.close() |
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396 if cleanup: |
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397 os.unlink(cleanup) |
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398 |
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399 def uisetup(ui): |
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400 '''Initialize the extension.''' |
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401 _wrapcmd(ui, 'log', commands.table, graphlog) |
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402 _wrapcmd(ui, 'incoming', commands.table, gincoming) |
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403 _wrapcmd(ui, 'outgoing', commands.table, goutgoing) |
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404 |
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405 def _wrapcmd(ui, cmd, table, wrapfn): |
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406 '''wrap the command''' |
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407 def graph(orig, *args, **kwargs): |
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408 if kwargs['graph']: |
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409 return wrapfn(*args, **kwargs) |
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410 return orig(*args, **kwargs) |
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411 entry = extensions.wrapcommand(table, cmd, graph) |
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412 entry[1].append(('G', 'graph', None, _("show the revision DAG"))) |
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413 |
4344 | 414 cmdtable = { |
415 "glog": | |
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416 (graphlog, |
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417 [('l', 'limit', '', _('limit number of changes displayed')), |
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418 ('p', 'patch', False, _('show patch')), |
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419 ('r', 'rev', [], _('show the specified revision or range')), |
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420 ] + templateopts, |
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421 _('hg glog [OPTION]... [FILE]')), |
4344 | 422 } |