Mercurial > hg-stable
annotate hgext/hgk.py @ 3877:abaee83ce0a6
Replace demandload with new demandimport
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Wed, 13 Dec 2006 13:27:09 -0600 |
parents | 792e61e9a00a |
children | ba45041827a2 |
rev | line source |
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267 | 1 # Minimal support for git commands on an hg repository |
2 # | |
2859 | 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 import time, sys, signal, os |
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9 from mercurial import hg, fancyopts, commands, ui, util, patch, revlog |
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10 |
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11 def difftree(ui, repo, node1=None, node2=None, *files, **opts): |
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12 """diff trees from two commits""" |
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13 def __difftree(repo, node1, node2, files=[]): |
334 | 14 if node2: |
15 change = repo.changelog.read(node2) | |
16 mmap2 = repo.manifest.read(change[0]) | |
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17 status = repo.status(node1, node2, files=files)[:5] |
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18 modified, added, removed, deleted, unknown = status |
334 | 19 else: |
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20 status = repo.status(node1, files=files)[:5] |
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21 modified, added, removed, deleted, unknown = status |
334 | 22 if not node1: |
23 node1 = repo.dirstate.parents()[0] | |
267 | 24 |
334 | 25 change = repo.changelog.read(node1) |
26 mmap = repo.manifest.read(change[0]) | |
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27 empty = hg.short(hg.nullid) |
267 | 28 |
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29 for f in modified: |
334 | 30 # TODO get file permissions |
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31 print ":100664 100664 %s %s M\t%s\t%s" % (hg.short(mmap[f]), |
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32 hg.short(mmap2[f]), |
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33 f, f) |
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34 for f in added: |
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35 print ":000000 100664 %s %s N\t%s\t%s" % (empty, |
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36 hg.short(mmap2[f]), |
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37 f, f) |
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38 for f in removed: |
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39 print ":100664 000000 %s %s D\t%s\t%s" % (hg.short(mmap[f]), |
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40 empty, |
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41 f, f) |
267 | 42 ## |
43 | |
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44 while True: |
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45 if opts['stdin']: |
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46 try: |
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47 line = raw_input().split(' ') |
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48 node1 = line[0] |
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49 if len(line) > 1: |
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50 node2 = line[1] |
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51 else: |
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52 node2 = None |
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53 except EOFError: |
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54 break |
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55 node1 = repo.lookup(node1) |
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56 if node2: |
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57 node2 = repo.lookup(node2) |
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58 else: |
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59 node2 = node1 |
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60 node1 = repo.changelog.parents(node1)[0] |
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61 if opts['patch']: |
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62 if opts['pretty']: |
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63 catcommit(repo, node2, "") |
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64 patch.diff(repo, node1, node2, |
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65 files=files, |
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66 opts=patch.diffopts(ui, {'git': True})) |
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67 else: |
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68 __difftree(repo, node1, node2, files=files) |
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69 if not opts['stdin']: |
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70 break |
267 | 71 |
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72 def catcommit(repo, n, prefix, changes=None): |
267 | 73 nlprefix = '\n' + prefix; |
74 (p1, p2) = repo.changelog.parents(n) | |
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75 (h, h1, h2) = map(hg.short, (n, p1, p2)) |
267 | 76 (i1, i2) = map(repo.changelog.rev, (p1, p2)) |
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77 if not changes: |
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78 changes = repo.changelog.read(n) |
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79 print "tree %s" % (hg.short(changes[0])) |
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80 if i1 != hg.nullrev: print "parent %s" % (h1) |
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81 if i2 != hg.nullrev: print "parent %s" % (h2) |
1344 | 82 date_ar = changes[2] |
267 | 83 date = int(float(date_ar[0])) |
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84 lines = changes[4].splitlines() |
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85 if lines and lines[-1].startswith('committer:'): |
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86 committer = lines[-1].split(': ')[1].rstrip() |
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87 else: |
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88 committer = changes[1] |
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89 |
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90 print "author %s %s %s" % (changes[1], date, date_ar[1]) |
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91 print "committer %s %s %s" % (committer, date, date_ar[1]) |
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92 print "revision %d" % repo.changelog.rev(n) |
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93 print "" |
267 | 94 if prefix != "": |
334 | 95 print "%s%s" % (prefix, changes[4].replace('\n', nlprefix).strip()) |
267 | 96 else: |
334 | 97 print changes[4] |
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98 if prefix: |
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99 sys.stdout.write('\0') |
267 | 100 |
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101 def base(ui, repo, node1, node2): |
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102 """Output common ancestor information""" |
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103 node1 = repo.lookup(node1) |
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104 node2 = repo.lookup(node2) |
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105 n = repo.changelog.ancestor(node1, node2) |
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106 print hg.short(n) |
267 | 107 |
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108 def catfile(ui, repo, type=None, r=None, **opts): |
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109 """cat a specific revision""" |
267 | 110 # in stdin mode, every line except the commit is prefixed with two |
111 # spaces. This way the our caller can find the commit without magic | |
112 # strings | |
113 # | |
114 prefix = "" | |
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115 if opts['stdin']: |
334 | 116 try: |
117 (type, r) = raw_input().split(' '); | |
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118 prefix = " " |
334 | 119 except EOFError: |
120 return | |
267 | 121 |
122 else: | |
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123 if not type or not r: |
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124 ui.warn("cat-file: type or revision not supplied\n") |
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125 commands.help_(ui, 'cat-file') |
267 | 126 |
127 while r: | |
334 | 128 if type != "commit": |
129 sys.stderr.write("aborting hg cat-file only understands commits\n") | |
130 sys.exit(1); | |
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131 n = repo.lookup(r) |
334 | 132 catcommit(repo, n, prefix) |
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133 if opts['stdin']: |
334 | 134 try: |
135 (type, r) = raw_input().split(' '); | |
136 except EOFError: | |
137 break | |
138 else: | |
139 break | |
267 | 140 |
141 # git rev-tree is a confusing thing. You can supply a number of | |
142 # commit sha1s on the command line, and it walks the commit history | |
143 # telling you which commits are reachable from the supplied ones via | |
144 # a bitmask based on arg position. | |
145 # you can specify a commit to stop at by starting the sha1 with ^ | |
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146 def revtree(args, repo, full="tree", maxnr=0, parents=False): |
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147 def chlogwalk(): |
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148 ch = repo.changelog |
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149 count = ch.count() |
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150 i = count |
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151 l = [0] * 100 |
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152 chunk = 100 |
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153 while True: |
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154 if chunk > i: |
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155 chunk = i |
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156 i = 0 |
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157 else: |
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158 i -= chunk |
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159 |
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160 for x in xrange(0, chunk): |
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161 if i + x >= count: |
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162 l[chunk - x:] = [0] * (chunk - x) |
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163 break |
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164 if full != None: |
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165 l[x] = ch.read(ch.node(i + x)) |
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166 else: |
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167 l[x] = 1 |
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168 for x in xrange(chunk-1, -1, -1): |
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169 if l[x] != 0: |
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170 yield (i + x, full != None and l[x] or None) |
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171 if i == 0: |
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172 break |
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173 |
267 | 174 # calculate and return the reachability bitmask for sha |
175 def is_reachable(ar, reachable, sha): | |
334 | 176 if len(ar) == 0: |
177 return 1 | |
178 mask = 0 | |
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179 for i in xrange(len(ar)): |
334 | 180 if sha in reachable[i]: |
181 mask |= 1 << i | |
267 | 182 |
334 | 183 return mask |
267 | 184 |
185 reachable = [] | |
186 stop_sha1 = [] | |
187 want_sha1 = [] | |
356 | 188 count = 0 |
267 | 189 |
190 # figure out which commits they are asking for and which ones they | |
191 # want us to stop on | |
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192 for i in xrange(len(args)): |
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193 if args[i].startswith('^'): |
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194 s = repo.lookup(args[i][1:]) |
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195 stop_sha1.append(s) |
334 | 196 want_sha1.append(s) |
197 elif args[i] != 'HEAD': | |
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198 want_sha1.append(repo.lookup(args[i])) |
356 | 199 |
267 | 200 # calculate the graph for the supplied commits |
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201 for i in xrange(len(want_sha1)): |
334 | 202 reachable.append({}); |
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203 n = want_sha1[i]; |
334 | 204 visit = [n]; |
205 reachable[i][n] = 1 | |
206 while visit: | |
207 n = visit.pop(0) | |
208 if n in stop_sha1: | |
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209 continue |
334 | 210 for p in repo.changelog.parents(n): |
211 if p not in reachable[i]: | |
212 reachable[i][p] = 1 | |
213 visit.append(p) | |
214 if p in stop_sha1: | |
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215 continue |
356 | 216 |
267 | 217 # walk the repository looking for commits that are in our |
218 # reachability graph | |
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219 for i, changes in chlogwalk(): |
334 | 220 n = repo.changelog.node(i) |
221 mask = is_reachable(want_sha1, reachable, n) | |
222 if mask: | |
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223 parentstr = "" |
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224 if parents: |
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225 pp = repo.changelog.parents(n) |
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226 if pp[0] != hg.nullid: |
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227 parentstr += " " + hg.short(pp[0]) |
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228 if pp[1] != hg.nullid: |
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229 parentstr += " " + hg.short(pp[1]) |
356 | 230 if not full: |
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231 print hg.short(n) + parentstr |
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232 elif full == "commit": |
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233 print hg.short(n) + parentstr |
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234 catcommit(repo, n, ' ', changes) |
356 | 235 else: |
236 (p1, p2) = repo.changelog.parents(n) | |
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237 (h, h1, h2) = map(hg.short, (n, p1, p2)) |
356 | 238 (i1, i2) = map(repo.changelog.rev, (p1, p2)) |
267 | 239 |
1344 | 240 date = changes[2][0] |
356 | 241 print "%s %s:%s" % (date, h, mask), |
242 mask = is_reachable(want_sha1, reachable, p1) | |
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243 if i1 != hg.nullrev and mask > 0: |
356 | 244 print "%s:%s " % (h1, mask), |
245 mask = is_reachable(want_sha1, reachable, p2) | |
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246 if i2 != hg.nullrev and mask > 0: |
356 | 247 print "%s:%s " % (h2, mask), |
248 print "" | |
249 if maxnr and count >= maxnr: | |
250 break | |
251 count += 1 | |
267 | 252 |
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253 def revparse(ui, repo, *revs, **opts): |
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254 """Parse given revisions""" |
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255 def revstr(rev): |
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256 if rev == 'HEAD': |
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257 rev = 'tip' |
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258 return revlog.hex(repo.lookup(rev)) |
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259 |
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260 for r in revs: |
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261 revrange = r.split(':', 1) |
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262 ui.write('%s\n' % revstr(revrange[0])) |
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263 if len(revrange) == 2: |
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264 ui.write('^%s\n' % revstr(revrange[1])) |
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265 |
267 | 266 # git rev-list tries to order things by date, and has the ability to stop |
267 # at a given commit without walking the whole repo. TODO add the stop | |
268 # parameter | |
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269 def revlist(ui, repo, *revs, **opts): |
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270 """print revisions""" |
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271 if opts['header']: |
356 | 272 full = "commit" |
273 else: | |
274 full = None | |
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275 copy = [x for x in revs] |
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276 revtree(copy, repo, full, opts['max_count'], opts['parents']) |
267 | 277 |
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278 def view(ui, repo, *etc, **opts): |
1278 | 279 "start interactive history viewer" |
280 os.chdir(repo.root) | |
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281 optstr = ' '.join(['--%s %s' % (k, v) for k, v in opts.iteritems() if v]) |
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282 cmd = ui.config("hgk", "path", "hgk") + " %s %s" % (optstr, " ".join(etc)) |
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283 ui.debug("running %s\n" % cmd) |
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284 os.system(cmd) |
1278 | 285 |
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286 cmdtable = { |
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287 "^view": (view, |
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288 [('l', 'limit', '', 'limit number of changes displayed')], |
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289 'hg view [-l LIMIT] [REVRANGE]'), |
1278 | 290 "debug-diff-tree": (difftree, [('p', 'patch', None, 'generate patch'), |
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291 ('r', 'recursive', None, 'recursive'), |
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292 ('P', 'pretty', None, 'pretty'), |
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293 ('s', 'stdin', None, 'stdin'), |
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294 ('C', 'copy', None, 'detect copies'), |
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295 ('S', 'search', "", 'search')], |
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296 "hg git-diff-tree [options] node1 node2 [files...]"), |
1278 | 297 "debug-cat-file": (catfile, [('s', 'stdin', None, 'stdin')], |
298 "hg debug-cat-file [options] type file"), | |
299 "debug-merge-base": (base, [], "hg debug-merge-base node node"), | |
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300 'debug-rev-parse': (revparse, |
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301 [('', 'default', '', 'ignored')], |
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302 "hg debug-rev-parse rev"), |
1278 | 303 "debug-rev-list": (revlist, [('H', 'header', None, 'header'), |
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304 ('t', 'topo-order', None, 'topo-order'), |
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305 ('p', 'parents', None, 'parents'), |
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306 ('n', 'max-count', 0, 'max-count')], |
1278 | 307 "hg debug-rev-list [options] revs"), |
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308 } |