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@@ -1,380 +1,376 b'' | |||
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1 | 1 | # ASCII graph log extension for Mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2007 Joel Rosdahl <joel@rosdahl.net> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2, incorporated herein by reference. |
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7 | 7 | |
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8 | 8 | '''command to view revision graphs from a shell |
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9 | 9 | |
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10 | 10 | This extension adds a --graph option to the incoming, outgoing and log |
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11 | 11 | commands. When this options is given, an ASCII representation of the |
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12 | 12 | revision graph is also shown. |
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13 | 13 | ''' |
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14 | 14 | |
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15 | 15 | import os, sys |
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16 | 16 | from mercurial.cmdutil import revrange, show_changeset |
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17 | 17 | from mercurial.commands import templateopts |
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18 | 18 | from mercurial.i18n import _ |
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19 | 19 | from mercurial.node import nullrev |
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20 | 20 | from mercurial import bundlerepo, changegroup, cmdutil, commands, extensions |
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21 | 21 | from mercurial import hg, url, util, graphmod |
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22 | 22 | |
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23 | 23 | ASCIIDATA = 'ASC' |
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24 | 24 | |
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25 |
def ascii |
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26 | """formats a changelog DAG walk for ASCII output""" | |
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27 | for (id, type, ctx, parentids) in revdag: | |
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28 | if type != graphmod.CHANGESET: | |
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29 | continue | |
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30 | displayer.show(ctx) | |
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31 | lines = displayer.hunk.pop(ctx.rev()).split('\n')[:-1] | |
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32 | char = ctx.node() in parents and '@' or 'o' | |
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33 | yield (id, ASCIIDATA, (char, lines), parentids) | |
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34 | ||
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35 | def asciiedges(nodes): | |
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25 | def asciiedges(seen, rev, parents): | |
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36 | 26 | """adds edge info to changelog DAG walk suitable for ascii()""" |
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37 | seen = [] | |
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38 | for node, type, data, parents in nodes: | |
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39 | if node not in seen: | |
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40 | seen.append(node) | |
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41 | nodeidx = seen.index(node) | |
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27 | if rev not in seen: | |
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28 | seen.append(rev) | |
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29 | nodeidx = seen.index(rev) | |
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42 | 30 | |
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43 | 31 |
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44 | 32 |
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45 | 33 |
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46 | 34 |
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47 | 35 |
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48 | 36 |
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49 | 37 |
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50 | 38 | |
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51 | 39 |
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52 | nextseen = seen[:] | |
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53 | nextseen[nodeidx:nodeidx + 1] = newparents | |
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54 | edges = [(nodeidx, nextseen.index(p)) for p in knownparents] | |
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40 | seen[nodeidx:nodeidx + 1] = newparents | |
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41 | edges = [(nodeidx, seen.index(p)) for p in knownparents] | |
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55 | 42 | |
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56 | 43 |
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57 | 44 |
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58 | 45 |
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59 | 46 |
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60 | nmorecols = len(nextseen) - ncols | |
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61 | seen = nextseen | |
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62 |
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47 | ||
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48 | nmorecols = len(seen) - ncols | |
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49 | return nodeidx, edges, ncols, nmorecols | |
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63 | 50 | |
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64 | 51 | def fix_long_right_edges(edges): |
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65 | 52 | for (i, (start, end)) in enumerate(edges): |
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66 | 53 | if end > start: |
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67 | 54 | edges[i] = (start, end + 1) |
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68 | 55 | |
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69 | 56 | def get_nodeline_edges_tail( |
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70 | 57 | node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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71 | 58 | if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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72 | 59 | # Still going in the same non-vertical direction. |
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73 | 60 | if n_columns_diff == -1: |
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74 | 61 | start = max(node_index + 1, p_node_index) |
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75 | 62 | tail = ["|", " "] * (start - node_index - 1) |
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76 | 63 | tail.extend(["/", " "] * (n_columns - start)) |
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77 | 64 | return tail |
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78 | 65 | else: |
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79 | 66 | return ["\\", " "] * (n_columns - node_index - 1) |
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80 | 67 | else: |
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81 | 68 | return ["|", " "] * (n_columns - node_index - 1) |
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82 | 69 | |
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83 | 70 | def draw_edges(edges, nodeline, interline): |
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84 | 71 | for (start, end) in edges: |
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85 | 72 | if start == end + 1: |
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86 | 73 | interline[2 * end + 1] = "/" |
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87 | 74 | elif start == end - 1: |
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88 | 75 | interline[2 * start + 1] = "\\" |
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89 | 76 | elif start == end: |
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90 | 77 | interline[2 * start] = "|" |
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91 | 78 | else: |
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92 | 79 | nodeline[2 * end] = "+" |
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93 | 80 | if start > end: |
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94 | 81 | (start, end) = (end, start) |
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95 | 82 | for i in range(2 * start + 1, 2 * end): |
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96 | 83 | if nodeline[i] != "+": |
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97 | 84 | nodeline[i] = "-" |
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98 | 85 | |
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99 | 86 | def get_padding_line(ni, n_columns, edges): |
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100 | 87 | line = [] |
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101 | 88 | line.extend(["|", " "] * ni) |
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102 | 89 | if (ni, ni - 1) in edges or (ni, ni) in edges: |
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103 | 90 | # (ni, ni - 1) (ni, ni) |
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104 | 91 | # | | | | | | | | |
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105 | 92 | # +---o | | o---+ |
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106 | 93 | # | | c | | c | | |
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107 | 94 | # | |/ / | |/ / |
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108 | 95 | # | | | | | | |
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109 | 96 | c = "|" |
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110 | 97 | else: |
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111 | 98 | c = " " |
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112 | 99 | line.extend([c, " "]) |
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113 | 100 | line.extend(["|", " "] * (n_columns - ni - 1)) |
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114 | 101 | return line |
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115 | 102 | |
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116 | 103 | def ascii(ui, dag): |
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117 | 104 | """prints an ASCII graph of the DAG |
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118 | 105 | |
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119 | 106 | dag is a generator that emits tuples with the following elements: |
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120 | 107 | |
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121 | 108 | - Column of the current node in the set of ongoing edges. |
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122 | 109 | - Type indicator of node data == ASCIIDATA. |
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123 | 110 | - Payload: (char, lines): |
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124 | 111 | - Character to use as node's symbol. |
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125 | 112 | - List of lines to display as the node's text. |
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126 | 113 | - Edges; a list of (col, next_col) indicating the edges between |
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127 | 114 | the current node and its parents. |
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128 | 115 | - Number of columns (ongoing edges) in the current revision. |
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129 | 116 | - The difference between the number of columns (ongoing edges) |
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130 | 117 | in the next revision and the number of columns (ongoing edges) |
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131 | 118 | in the current revision. That is: -1 means one column removed; |
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132 | 119 | 0 means no columns added or removed; 1 means one column added. |
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133 | 120 | """ |
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134 | 121 | prev_n_columns_diff = 0 |
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135 | 122 | prev_node_index = 0 |
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136 | 123 | for (node_index, type, (node_ch, node_lines), edges, n_columns, n_columns_diff) in dag: |
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137 | 124 | |
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138 | 125 | assert -2 < n_columns_diff < 2 |
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139 | 126 | if n_columns_diff == -1: |
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140 | 127 | # Transform |
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141 | 128 | # |
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142 | 129 | # | | | | | | |
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143 | 130 | # o | | into o---+ |
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144 | 131 | # |X / |/ / |
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145 | 132 | # | | | | |
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146 | 133 | fix_long_right_edges(edges) |
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147 | 134 | |
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148 | 135 | # add_padding_line says whether to rewrite |
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149 | 136 | # |
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150 | 137 | # | | | | | | | | |
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151 | 138 | # | o---+ into | o---+ |
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152 | 139 | # | / / | | | # <--- padding line |
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153 | 140 | # o | | | / / |
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154 | 141 | # o | | |
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155 | 142 | add_padding_line = (len(node_lines) > 2 and |
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156 | 143 | n_columns_diff == -1 and |
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157 | 144 | [x for (x, y) in edges if x + 1 < y]) |
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158 | 145 | |
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159 | 146 | # fix_nodeline_tail says whether to rewrite |
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160 | 147 | # |
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161 | 148 | # | | o | | | | o | | |
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162 | 149 | # | | |/ / | | |/ / |
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163 | 150 | # | o | | into | o / / # <--- fixed nodeline tail |
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164 | 151 | # | |/ / | |/ / |
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165 | 152 | # o | | o | | |
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166 | 153 | fix_nodeline_tail = len(node_lines) <= 2 and not add_padding_line |
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167 | 154 | |
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168 | 155 | # nodeline is the line containing the node character (typically o) |
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169 | 156 | nodeline = ["|", " "] * node_index |
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170 | 157 | nodeline.extend([node_ch, " "]) |
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171 | 158 | |
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172 | 159 | nodeline.extend( |
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173 | 160 | get_nodeline_edges_tail( |
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174 | 161 | node_index, prev_node_index, n_columns, n_columns_diff, |
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175 | 162 | prev_n_columns_diff, fix_nodeline_tail)) |
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176 | 163 | |
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177 | 164 | # shift_interline is the line containing the non-vertical |
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178 | 165 | # edges between this entry and the next |
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179 | 166 | shift_interline = ["|", " "] * node_index |
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180 | 167 | if n_columns_diff == -1: |
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181 | 168 | n_spaces = 1 |
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182 | 169 | edge_ch = "/" |
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183 | 170 | elif n_columns_diff == 0: |
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184 | 171 | n_spaces = 2 |
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185 | 172 | edge_ch = "|" |
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186 | 173 | else: |
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187 | 174 | n_spaces = 3 |
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188 | 175 | edge_ch = "\\" |
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189 | 176 | shift_interline.extend(n_spaces * [" "]) |
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190 | 177 | shift_interline.extend([edge_ch, " "] * (n_columns - node_index - 1)) |
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191 | 178 | |
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192 | 179 | # draw edges from the current node to its parents |
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193 | 180 | draw_edges(edges, nodeline, shift_interline) |
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194 | 181 | |
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195 | 182 | # lines is the list of all graph lines to print |
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196 | 183 | lines = [nodeline] |
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197 | 184 | if add_padding_line: |
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198 | 185 | lines.append(get_padding_line(node_index, n_columns, edges)) |
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199 | 186 | lines.append(shift_interline) |
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200 | 187 | |
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201 | 188 | # make sure that there are as many graph lines as there are |
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202 | 189 | # log strings |
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203 | 190 | while len(node_lines) < len(lines): |
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204 | 191 | node_lines.append("") |
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205 | 192 | if len(lines) < len(node_lines): |
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206 | 193 | extra_interline = ["|", " "] * (n_columns + n_columns_diff) |
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207 | 194 | while len(lines) < len(node_lines): |
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208 | 195 | lines.append(extra_interline) |
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209 | 196 | |
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210 | 197 | # print lines |
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211 | 198 | indentation_level = max(n_columns, n_columns + n_columns_diff) |
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212 | 199 | for (line, logstr) in zip(lines, node_lines): |
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213 | 200 | ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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214 | 201 | ui.write(ln.rstrip() + '\n') |
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215 | 202 | |
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216 | 203 | # ... and start over |
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217 | 204 | prev_node_index = node_index |
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218 | 205 | prev_n_columns_diff = n_columns_diff |
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219 | 206 | |
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220 | 207 | def get_revs(repo, rev_opt): |
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221 | 208 | if rev_opt: |
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222 | 209 | revs = revrange(repo, rev_opt) |
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223 | 210 | return (max(revs), min(revs)) |
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224 | 211 | else: |
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225 | 212 | return (len(repo) - 1, 0) |
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226 | 213 | |
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227 | 214 | def check_unsupported_flags(opts): |
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228 | 215 | for op in ["follow", "follow_first", "date", "copies", "keyword", "remove", |
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229 | 216 | "only_merges", "user", "only_branch", "prune", "newest_first", |
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230 | 217 | "no_merges", "include", "exclude"]: |
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231 | 218 | if op in opts and opts[op]: |
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232 | 219 | raise util.Abort(_("--graph option is incompatible with --%s") % op) |
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233 | 220 | |
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221 | def generate(dag, displayer, showparents, edgefn): | |
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222 | seen = [] | |
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223 | for rev, type, ctx, parents in dag: | |
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224 | char = ctx.node() in showparents and '@' or 'o' | |
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225 | displayer.show(ctx) | |
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226 | lines = displayer.hunk.pop(rev).split('\n')[:-1] | |
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227 | cols = edgefn(seen, rev, parents) | |
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228 | yield cols[0], type, (char, lines), cols[1], cols[2], cols[3] | |
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229 | ||
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234 | 230 | def graphlog(ui, repo, path=None, **opts): |
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235 | 231 | """show revision history alongside an ASCII revision graph |
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236 | 232 | |
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237 | 233 | Print a revision history alongside a revision graph drawn with |
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238 | 234 | ASCII characters. |
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239 | 235 | |
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240 | 236 | Nodes printed as an @ character are parents of the working |
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241 | 237 | directory. |
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242 | 238 | """ |
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243 | 239 | |
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244 | 240 | check_unsupported_flags(opts) |
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245 | 241 | limit = cmdutil.loglimit(opts) |
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246 | 242 | start, stop = get_revs(repo, opts["rev"]) |
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247 | 243 | stop = max(stop, start - limit + 1) |
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248 | 244 | if start == nullrev: |
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249 | 245 | return |
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250 | 246 | |
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251 | 247 | if path: |
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252 | 248 | path = util.canonpath(repo.root, os.getcwd(), path) |
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253 | 249 | if path: # could be reset in canonpath |
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254 | 250 | revdag = graphmod.filerevs(repo, path, start, stop) |
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255 | 251 | else: |
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256 | 252 | revdag = graphmod.revisions(repo, start, stop) |
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257 | 253 | |
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258 | 254 | displayer = show_changeset(ui, repo, opts, buffered=True) |
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259 | 255 | showparents = [ctx.node() for ctx in repo[None].parents()] |
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260 |
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261 |
ascii(ui, |
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256 | gen = generate(revdag, displayer, showparents, asciiedges) | |
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257 | ascii(ui, gen) | |
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262 | 258 | |
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263 | 259 | def graphrevs(repo, nodes, opts): |
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264 | 260 | limit = cmdutil.loglimit(opts) |
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265 | 261 | nodes.reverse() |
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266 | 262 | if limit < sys.maxint: |
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267 | 263 | nodes = nodes[:limit] |
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268 | 264 | return graphmod.nodes(repo, nodes) |
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269 | 265 | |
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270 | 266 | def goutgoing(ui, repo, dest=None, **opts): |
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271 | 267 | """show the outgoing changesets alongside an ASCII revision graph |
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272 | 268 | |
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273 | 269 | Print the outgoing changesets alongside a revision graph drawn with |
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274 | 270 | ASCII characters. |
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275 | 271 | |
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276 | 272 | Nodes printed as an @ character are parents of the working |
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277 | 273 | directory. |
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278 | 274 | """ |
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279 | 275 | |
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280 | 276 | check_unsupported_flags(opts) |
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281 | 277 | dest, revs, checkout = hg.parseurl( |
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282 | 278 | ui.expandpath(dest or 'default-push', dest or 'default'), |
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283 | 279 | opts.get('rev')) |
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284 | 280 | if revs: |
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285 | 281 | revs = [repo.lookup(rev) for rev in revs] |
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286 | 282 | other = hg.repository(cmdutil.remoteui(ui, opts), dest) |
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287 | 283 | ui.status(_('comparing with %s\n') % url.hidepassword(dest)) |
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288 | 284 | o = repo.findoutgoing(other, force=opts.get('force')) |
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289 | 285 | if not o: |
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290 | 286 | ui.status(_("no changes found\n")) |
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291 | 287 | return |
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292 | 288 | |
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293 | 289 | o = repo.changelog.nodesbetween(o, revs)[0] |
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294 | 290 | revdag = graphrevs(repo, o, opts) |
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295 | 291 | displayer = show_changeset(ui, repo, opts, buffered=True) |
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296 | 292 | showparents = [ctx.node() for ctx in repo[None].parents()] |
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297 |
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298 |
ascii(ui, |
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293 | gen = generate(revdag, displayer, showparents, asciiedges) | |
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294 | ascii(ui, gen) | |
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299 | 295 | |
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300 | 296 | def gincoming(ui, repo, source="default", **opts): |
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301 | 297 | """show the incoming changesets alongside an ASCII revision graph |
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302 | 298 | |
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303 | 299 | Print the incoming changesets alongside a revision graph drawn with |
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304 | 300 | ASCII characters. |
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305 | 301 | |
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306 | 302 | Nodes printed as an @ character are parents of the working |
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307 | 303 | directory. |
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308 | 304 | """ |
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309 | 305 | |
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310 | 306 | check_unsupported_flags(opts) |
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311 | 307 | source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev')) |
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312 | 308 | other = hg.repository(cmdutil.remoteui(repo, opts), source) |
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313 | 309 | ui.status(_('comparing with %s\n') % url.hidepassword(source)) |
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314 | 310 | if revs: |
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315 | 311 | revs = [other.lookup(rev) for rev in revs] |
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316 | 312 | incoming = repo.findincoming(other, heads=revs, force=opts["force"]) |
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317 | 313 | if not incoming: |
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318 | 314 | try: |
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319 | 315 | os.unlink(opts["bundle"]) |
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320 | 316 | except: |
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321 | 317 | pass |
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322 | 318 | ui.status(_("no changes found\n")) |
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323 | 319 | return |
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324 | 320 | |
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325 | 321 | cleanup = None |
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326 | 322 | try: |
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327 | 323 | |
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328 | 324 | fname = opts["bundle"] |
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329 | 325 | if fname or not other.local(): |
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330 | 326 | # create a bundle (uncompressed if other repo is not local) |
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331 | 327 | if revs is None: |
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332 | 328 | cg = other.changegroup(incoming, "incoming") |
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333 | 329 | else: |
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334 | 330 | cg = other.changegroupsubset(incoming, revs, 'incoming') |
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335 | 331 | bundletype = other.local() and "HG10BZ" or "HG10UN" |
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336 | 332 | fname = cleanup = changegroup.writebundle(cg, fname, bundletype) |
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337 | 333 | # keep written bundle? |
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338 | 334 | if opts["bundle"]: |
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339 | 335 | cleanup = None |
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340 | 336 | if not other.local(): |
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341 | 337 | # use the created uncompressed bundlerepo |
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342 | 338 | other = bundlerepo.bundlerepository(ui, repo.root, fname) |
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343 | 339 | |
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344 | 340 | chlist = other.changelog.nodesbetween(incoming, revs)[0] |
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345 | 341 | revdag = graphrevs(other, chlist, opts) |
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346 | 342 | displayer = show_changeset(ui, other, opts, buffered=True) |
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347 | 343 | showparents = [ctx.node() for ctx in repo[None].parents()] |
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348 |
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349 |
ascii(ui, |
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344 | gen = generate(revdag, displayer, showparents, asciiedges) | |
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345 | ascii(ui, gen) | |
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350 | 346 | |
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351 | 347 | finally: |
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352 | 348 | if hasattr(other, 'close'): |
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353 | 349 | other.close() |
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354 | 350 | if cleanup: |
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355 | 351 | os.unlink(cleanup) |
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356 | 352 | |
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357 | 353 | def uisetup(ui): |
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358 | 354 | '''Initialize the extension.''' |
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359 | 355 | _wrapcmd(ui, 'log', commands.table, graphlog) |
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360 | 356 | _wrapcmd(ui, 'incoming', commands.table, gincoming) |
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361 | 357 | _wrapcmd(ui, 'outgoing', commands.table, goutgoing) |
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362 | 358 | |
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363 | 359 | def _wrapcmd(ui, cmd, table, wrapfn): |
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364 | 360 | '''wrap the command''' |
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365 | 361 | def graph(orig, *args, **kwargs): |
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366 | 362 | if kwargs['graph']: |
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367 | 363 | return wrapfn(*args, **kwargs) |
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368 | 364 | return orig(*args, **kwargs) |
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369 | 365 | entry = extensions.wrapcommand(table, cmd, graph) |
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370 | 366 | entry[1].append(('G', 'graph', None, _("show the revision DAG"))) |
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371 | 367 | |
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372 | 368 | cmdtable = { |
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373 | 369 | "glog": |
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374 | 370 | (graphlog, |
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375 | 371 | [('l', 'limit', '', _('limit number of changes displayed')), |
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376 | 372 | ('p', 'patch', False, _('show patch')), |
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377 | 373 | ('r', 'rev', [], _('show the specified revision or range')), |
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378 | 374 | ] + templateopts, |
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379 | 375 | _('hg glog [OPTION]... [FILE]')), |
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380 | 376 | } |
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