Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/hgk.py @ 3002:a31557193f3c
merge: simplify working dir manifest generation
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Tue, 22 Aug 2006 17:08:38 -0500 |
parents | 75bcb8210a37 |
children | abcd6ae3cf5a |
rev | line source |
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267 | 1 # Minimal support for git commands on an hg repository |
2 # | |
2858 | 3 # Copyright 2005, 2006 Chris Mason <mason@suse.com> |
267 | 4 # |
5 # This software may be used and distributed according to the terms | |
6 # of the GNU General Public License, incorporated herein by reference. | |
7 | |
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8 from mercurial.demandload import * |
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9 demandload(globals(), 'time sys signal os') |
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10 demandload(globals(), 'mercurial:hg,mdiff,fancyopts,commands,ui,util') |
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11 |
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12 def dodiff(fp, ui, repo, node1, node2, files=None, match=util.always, |
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13 changes=None, text=False): |
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14 def date(c): |
1344 | 15 return time.asctime(time.gmtime(c[2][0])) |
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16 |
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17 if not changes: |
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18 changes = repo.status(node1, node2, files, match=match)[:5] |
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19 modified, added, removed, deleted, unknown = changes |
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20 if files: |
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21 modified, added, removed = map(lambda x: filterfiles(files, x), |
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22 (modified, added, removed)) |
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23 |
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24 if not modified and not added and not removed: |
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25 return |
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26 |
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27 if node2: |
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28 change = repo.changelog.read(node2) |
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29 mmap2 = repo.manifest.read(change[0]) |
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30 date2 = date(change) |
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31 def read(f): |
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32 return repo.file(f).read(mmap2[f]) |
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33 else: |
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34 date2 = time.asctime() |
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35 if not node1: |
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36 node1 = repo.dirstate.parents()[0] |
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37 def read(f): |
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38 return repo.wfile(f).read() |
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39 |
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40 change = repo.changelog.read(node1) |
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41 mmap = repo.manifest.read(change[0]) |
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42 date1 = date(change) |
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43 |
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44 for f in modified: |
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45 to = None |
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46 if f in mmap: |
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47 to = repo.file(f).read(mmap[f]) |
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48 tn = read(f) |
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49 fp.write("diff --git a/%s b/%s\n" % (f, f)) |
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50 fp.write(mdiff.unidiff(to, date1, tn, date2, f, None, text=text)) |
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51 for f in added: |
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52 to = None |
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53 tn = read(f) |
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54 fp.write("diff --git /dev/null b/%s\n" % (f)) |
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55 fp.write(mdiff.unidiff(to, date1, tn, date2, f, None, text=text)) |
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56 for f in removed: |
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57 to = repo.file(f).read(mmap[f]) |
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58 tn = None |
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59 fp.write("diff --git a/%s /dev/null\n" % (f)) |
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60 fp.write(mdiff.unidiff(to, date1, tn, date2, f, None, text=text)) |
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61 |
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62 def difftree(ui, repo, node1=None, node2=None, **opts): |
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63 """diff trees from two commits""" |
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64 def __difftree(repo, node1, node2): |
334 | 65 def date(c): |
1344 | 66 return time.asctime(time.gmtime(c[2][0])) |
267 | 67 |
334 | 68 if node2: |
69 change = repo.changelog.read(node2) | |
70 mmap2 = repo.manifest.read(change[0]) | |
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71 modified, added, removed, deleted, unknown = repo.status(node1, node2)[:5] |
334 | 72 def read(f): return repo.file(f).read(mmap2[f]) |
73 date2 = date(change) | |
74 else: | |
75 date2 = time.asctime() | |
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76 modified, added, removed, deleted, unknown = repo.status(node1)[:5] |
334 | 77 if not node1: |
78 node1 = repo.dirstate.parents()[0] | |
79 def read(f): return file(os.path.join(repo.root, f)).read() | |
267 | 80 |
334 | 81 change = repo.changelog.read(node1) |
82 mmap = repo.manifest.read(change[0]) | |
83 date1 = date(change) | |
84 empty = "0" * 40; | |
267 | 85 |
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86 for f in modified: |
334 | 87 # TODO get file permissions |
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88 print ":100664 100664 %s %s M\t%s\t%s" % (hg.hex(mmap[f]), |
334 | 89 hg.hex(mmap2[f]), f, f) |
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90 for f in added: |
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91 print ":000000 100664 %s %s N\t%s\t%s" % (empty, hg.hex(mmap2[f]), f, f) |
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92 for f in removed: |
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93 print ":100664 000000 %s %s D\t%s\t%s" % (hg.hex(mmap[f]), empty, f, f) |
267 | 94 ## |
95 | |
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96 while True: |
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97 if opts['stdin']: |
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98 try: |
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99 line = raw_input().split(' ') |
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100 node1 = line[0] |
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101 if len(line) > 1: |
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102 node2 = line[1] |
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103 else: |
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104 node2 = None |
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105 except EOFError: |
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106 break |
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107 node1 = repo.lookup(node1) |
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108 if node2: |
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109 node2 = repo.lookup(node2) |
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110 else: |
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111 node2 = node1 |
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112 node1 = repo.changelog.parents(node1)[0] |
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113 if opts['patch']: |
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114 if opts['pretty']: |
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115 catcommit(repo, node2, "") |
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116 dodiff(sys.stdout, ui, repo, node1, node2) |
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117 else: |
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118 __difftree(repo, node1, node2) |
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119 if not opts['stdin']: |
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120 break |
267 | 121 |
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122 def catcommit(repo, n, prefix, changes=None): |
267 | 123 nlprefix = '\n' + prefix; |
124 (p1, p2) = repo.changelog.parents(n) | |
125 (h, h1, h2) = map(hg.hex, (n, p1, p2)) | |
126 (i1, i2) = map(repo.changelog.rev, (p1, p2)) | |
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127 if not changes: |
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128 changes = repo.changelog.read(n) |
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129 print "tree %s" % (hg.hex(changes[0])) |
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130 if i1 != -1: print "parent %s" % (h1) |
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131 if i2 != -1: print "parent %s" % (h2) |
1344 | 132 date_ar = changes[2] |
267 | 133 date = int(float(date_ar[0])) |
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134 lines = changes[4].splitlines() |
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135 if lines and lines[-1].startswith('committer:'): |
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136 committer = lines[-1].split(': ')[1].rstrip() |
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137 else: |
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138 committer = changes[1] |
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139 |
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140 print "author %s %s %s" % (changes[1], date, date_ar[1]) |
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141 print "committer %s %s %s" % (committer, date, date_ar[1]) |
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142 print "" |
267 | 143 if prefix != "": |
334 | 144 print "%s%s" % (prefix, changes[4].replace('\n', nlprefix).strip()) |
267 | 145 else: |
334 | 146 print changes[4] |
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147 if prefix: |
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148 sys.stdout.write('\0') |
267 | 149 |
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150 def base(ui, repo, node1, node2): |
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151 """Output common ancestor information""" |
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152 node1 = repo.lookup(node1) |
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153 node2 = repo.lookup(node2) |
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154 n = repo.changelog.ancestor(node1, node2) |
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155 print hg.hex(n) |
267 | 156 |
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157 def catfile(ui, repo, type=None, r=None, **opts): |
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158 """cat a specific revision""" |
267 | 159 # in stdin mode, every line except the commit is prefixed with two |
160 # spaces. This way the our caller can find the commit without magic | |
161 # strings | |
162 # | |
163 prefix = "" | |
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164 if opts['stdin']: |
334 | 165 try: |
166 (type, r) = raw_input().split(' '); | |
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167 prefix = " " |
334 | 168 except EOFError: |
169 return | |
267 | 170 |
171 else: | |
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172 if not type or not r: |
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173 ui.warn("cat-file: type or revision not supplied\n") |
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174 commands.help_(ui, 'cat-file') |
267 | 175 |
176 while r: | |
334 | 177 if type != "commit": |
178 sys.stderr.write("aborting hg cat-file only understands commits\n") | |
179 sys.exit(1); | |
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180 n = repo.lookup(r) |
334 | 181 catcommit(repo, n, prefix) |
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182 if opts['stdin']: |
334 | 183 try: |
184 (type, r) = raw_input().split(' '); | |
185 except EOFError: | |
186 break | |
187 else: | |
188 break | |
267 | 189 |
190 # git rev-tree is a confusing thing. You can supply a number of | |
191 # commit sha1s on the command line, and it walks the commit history | |
192 # telling you which commits are reachable from the supplied ones via | |
193 # a bitmask based on arg position. | |
194 # you can specify a commit to stop at by starting the sha1 with ^ | |
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195 def revtree(args, repo, full="tree", maxnr=0, parents=False): |
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196 def chlogwalk(): |
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197 ch = repo.changelog |
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198 count = ch.count() |
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199 i = count |
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200 l = [0] * 100 |
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201 chunk = 100 |
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202 while True: |
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203 if chunk > i: |
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204 chunk = i |
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205 i = 0 |
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206 else: |
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207 i -= chunk |
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208 |
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209 for x in xrange(0, chunk): |
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210 if i + x >= count: |
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211 l[chunk - x:] = [0] * (chunk - x) |
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212 break |
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213 if full != None: |
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214 l[x] = ch.read(ch.node(i + x)) |
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215 else: |
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216 l[x] = 1 |
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217 for x in xrange(chunk-1, -1, -1): |
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218 if l[x] != 0: |
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219 yield (i + x, full != None and l[x] or None) |
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220 if i == 0: |
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221 break |
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222 |
267 | 223 # calculate and return the reachability bitmask for sha |
224 def is_reachable(ar, reachable, sha): | |
334 | 225 if len(ar) == 0: |
226 return 1 | |
227 mask = 0 | |
228 for i in range(len(ar)): | |
229 if sha in reachable[i]: | |
230 mask |= 1 << i | |
267 | 231 |
334 | 232 return mask |
267 | 233 |
234 reachable = [] | |
235 stop_sha1 = [] | |
236 want_sha1 = [] | |
356 | 237 count = 0 |
267 | 238 |
239 # figure out which commits they are asking for and which ones they | |
240 # want us to stop on | |
241 for i in range(len(args)): | |
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242 if args[i].startswith('^'): |
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243 s = repo.lookup(args[i][1:]) |
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244 stop_sha1.append(s) |
334 | 245 want_sha1.append(s) |
246 elif args[i] != 'HEAD': | |
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247 want_sha1.append(repo.lookup(args[i])) |
356 | 248 |
267 | 249 # calculate the graph for the supplied commits |
250 for i in range(len(want_sha1)): | |
334 | 251 reachable.append({}); |
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252 n = want_sha1[i]; |
334 | 253 visit = [n]; |
254 reachable[i][n] = 1 | |
255 while visit: | |
256 n = visit.pop(0) | |
257 if n in stop_sha1: | |
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258 continue |
334 | 259 for p in repo.changelog.parents(n): |
260 if p not in reachable[i]: | |
261 reachable[i][p] = 1 | |
262 visit.append(p) | |
263 if p in stop_sha1: | |
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264 continue |
356 | 265 |
267 | 266 # walk the repository looking for commits that are in our |
267 # reachability graph | |
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268 #for i in range(repo.changelog.count()-1, -1, -1): |
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269 for i, changes in chlogwalk(): |
334 | 270 n = repo.changelog.node(i) |
271 mask = is_reachable(want_sha1, reachable, n) | |
272 if mask: | |
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273 parentstr = "" |
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274 if parents: |
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275 pp = repo.changelog.parents(n) |
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276 if pp[0] != hg.nullid: |
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277 parentstr += " " + hg.hex(pp[0]) |
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278 if pp[1] != hg.nullid: |
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279 parentstr += " " + hg.hex(pp[1]) |
356 | 280 if not full: |
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281 print hg.hex(n) + parentstr |
356 | 282 elif full is "commit": |
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283 print hg.hex(n) + parentstr |
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284 catcommit(repo, n, ' ', changes) |
356 | 285 else: |
286 (p1, p2) = repo.changelog.parents(n) | |
287 (h, h1, h2) = map(hg.hex, (n, p1, p2)) | |
288 (i1, i2) = map(repo.changelog.rev, (p1, p2)) | |
267 | 289 |
1344 | 290 date = changes[2][0] |
356 | 291 print "%s %s:%s" % (date, h, mask), |
292 mask = is_reachable(want_sha1, reachable, p1) | |
293 if i1 != -1 and mask > 0: | |
294 print "%s:%s " % (h1, mask), | |
295 mask = is_reachable(want_sha1, reachable, p2) | |
296 if i2 != -1 and mask > 0: | |
297 print "%s:%s " % (h2, mask), | |
298 print "" | |
299 if maxnr and count >= maxnr: | |
300 break | |
301 count += 1 | |
267 | 302 |
303 # git rev-list tries to order things by date, and has the ability to stop | |
304 # at a given commit without walking the whole repo. TODO add the stop | |
305 # parameter | |
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306 def revlist(ui, repo, *revs, **opts): |
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307 """print revisions""" |
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308 if opts['header']: |
356 | 309 full = "commit" |
310 else: | |
311 full = None | |
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312 copy = [x for x in revs] |
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313 revtree(copy, repo, full, opts['max_count'], opts['parents']) |
267 | 314 |
1278 | 315 def view(ui, repo, *etc): |
316 "start interactive history viewer" | |
317 os.chdir(repo.root) | |
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318 os.system(ui.config("hgk", "path", "hgk") + " " + " ".join(etc)) |
1278 | 319 |
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320 cmdtable = { |
1278 | 321 "view": (view, [], 'hg view'), |
322 "debug-diff-tree": (difftree, [('p', 'patch', None, 'generate patch'), | |
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323 ('r', 'recursive', None, 'recursive'), |
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324 ('P', 'pretty', None, 'pretty'), |
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325 ('s', 'stdin', None, 'stdin'), |
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326 ('C', 'copy', None, 'detect copies'), |
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327 ('S', 'search', "", 'search')], |
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328 "hg git-diff-tree [options] node1 node2"), |
1278 | 329 "debug-cat-file": (catfile, [('s', 'stdin', None, 'stdin')], |
330 "hg debug-cat-file [options] type file"), | |
331 "debug-merge-base": (base, [], "hg debug-merge-base node node"), | |
332 "debug-rev-list": (revlist, [('H', 'header', None, 'header'), | |
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333 ('t', 'topo-order', None, 'topo-order'), |
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334 ('p', 'parents', None, 'parents'), |
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335 ('n', 'max-count', 0, 'max-count')], |
1278 | 336 "hg debug-rev-list [options] revs"), |
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337 } |