Mercurial > hg > pyhgsh
annotate mercurial/hg.py @ 98:3dde7c87e36d
Add paranoia to diff code
| author | mpm@selenic.com |
|---|---|
| date | Wed, 18 May 2005 16:59:54 -0800 |
| parents | fce47326677c |
| children | 707a7481a861 |
| rev | line source |
|---|---|
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1 # hg.py - repository classes for mercurial |
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2 # |
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
| 37 | 8 import sys, struct, sha, socket, os, time, base64, re, urllib2 |
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9 import urllib |
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10 from mercurial import byterange |
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11 from mercurial.transaction import * |
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12 from mercurial.revlog import * |
| 79 | 13 from difflib import SequenceMatcher |
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14 |
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15 class filelog(revlog): |
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16 def __init__(self, opener, path): |
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17 s = self.encodepath(path) |
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18 revlog.__init__(self, opener, os.path.join("data", s + "i"), |
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19 os.path.join("data", s)) |
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20 |
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21 def encodepath(self, path): |
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22 s = sha.sha(path).digest() |
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23 s = base64.encodestring(s)[:-3] |
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24 s = re.sub("\+", "%", s) |
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25 s = re.sub("/", "_", s) |
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26 return s |
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27 |
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28 def read(self, node): |
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29 return self.revision(node) |
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30 def add(self, text, transaction, link, p1=None, p2=None): |
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31 return self.addrevision(text, transaction, link, p1, p2) |
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32 |
| 79 | 33 def annotate(self, node): |
| 34 revs = [] | |
| 35 while node != nullid: | |
| 36 revs.append(node) | |
| 37 node = self.parents(node)[0] | |
| 38 revs.reverse() | |
| 39 prev = [] | |
| 40 annotate = [] | |
| 41 for node in revs: | |
| 42 curr = self.read(node).splitlines(1) | |
| 43 linkrev = self.linkrev(node) | |
| 44 sm = SequenceMatcher(None, prev, curr) | |
| 45 offset = 0 | |
| 46 for o, m, n, s, t in sm.get_opcodes(): | |
| 47 if o in ('insert','replace'): | |
| 48 annotate[m+offset:n+offset] = \ | |
| 49 [ (linkrev, l) for l in curr[s:t]] | |
| 50 if o == 'insert': | |
| 51 offset += m-n | |
| 52 elif o == 'delete': | |
| 53 del annotate[m+offset:n+offset] | |
| 54 offset -= m-n | |
| 55 assert len(annotate) == len(curr) | |
| 56 prev = curr | |
| 57 return annotate | |
| 58 | |
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59 class manifest(revlog): |
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60 def __init__(self, opener): |
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61 self.mapcache = None |
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62 self.listcache = None |
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63 self.addlist = None |
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64 revlog.__init__(self, opener, "00manifest.i", "00manifest.d") |
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65 |
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66 def read(self, node): |
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67 if self.mapcache and self.mapcache[0] == node: |
| 90 | 68 return self.mapcache[1].copy() |
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69 text = self.revision(node) |
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70 map = {} |
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71 self.listcache = (text, text.splitlines(1)) |
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72 for l in self.listcache[1]: |
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73 (f, n) = l.split('\0') |
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74 map[f] = bin(n[:40]) |
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75 self.mapcache = (node, map) |
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76 return map |
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77 |
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78 def diff(self, a, b): |
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79 # this is sneaky, as we're not actually using a and b |
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80 if self.listcache and len(self.listcache[0]) == len(a): |
| 98 | 81 d = mdiff.diff(self.listcache[1], self.addlist, 1) |
| 82 if mdiff.patch(a, d) != b: | |
| 83 sys.stderr.write("*** sortdiff failed, falling back ***\n") | |
| 84 return mdiff.textdiff(a, b) | |
| 85 return d | |
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86 else: |
| 44 | 87 return mdiff.textdiff(a, b) |
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88 |
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89 def add(self, map, transaction, link, p1=None, p2=None): |
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90 files = map.keys() |
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91 files.sort() |
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92 |
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93 self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files] |
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94 text = "".join(self.addlist) |
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95 |
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96 n = self.addrevision(text, transaction, link, p1, p2) |
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97 self.mapcache = (n, map) |
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98 self.listcache = (text, self.addlist) |
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99 |
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100 return n |
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101 |
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102 class changelog(revlog): |
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103 def __init__(self, opener): |
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104 revlog.__init__(self, opener, "00changelog.i", "00changelog.d") |
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105 |
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106 def extract(self, text): |
| 37 | 107 if not text: |
| 40 | 108 return (nullid, "", "0", [], "") |
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109 last = text.index("\n\n") |
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110 desc = text[last + 2:] |
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111 l = text[:last].splitlines() |
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112 manifest = bin(l[0]) |
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113 user = l[1] |
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114 date = l[2] |
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115 files = l[3:] |
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116 return (manifest, user, date, files, desc) |
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117 |
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118 def read(self, node): |
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119 return self.extract(self.revision(node)) |
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120 |
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121 def add(self, manifest, list, desc, transaction, p1=None, p2=None): |
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122 user = (os.environ.get("HGUSER") or |
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123 os.environ.get("EMAIL") or |
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124 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn()) |
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125 date = "%d %d" % (time.time(), time.timezone) |
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126 list.sort() |
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127 l = [hex(manifest), user, date] + list + ["", desc] |
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128 text = "\n".join(l) |
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129 return self.addrevision(text, transaction, self.count(), p1, p2) |
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130 |
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131 class dircache: |
| 20 | 132 def __init__(self, opener, ui): |
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133 self.opener = opener |
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134 self.dirty = 0 |
| 20 | 135 self.ui = ui |
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136 self.map = None |
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137 def __del__(self): |
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138 if self.dirty: self.write() |
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139 def __getitem__(self, key): |
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140 try: |
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141 return self.map[key] |
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142 except TypeError: |
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143 self.read() |
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144 return self[key] |
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145 |
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146 def read(self): |
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147 if self.map is not None: return self.map |
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148 |
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149 self.map = {} |
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150 try: |
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151 st = self.opener("dircache").read() |
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152 except: return |
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153 |
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154 pos = 0 |
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155 while pos < len(st): |
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156 e = struct.unpack(">llll", st[pos:pos+16]) |
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157 l = e[3] |
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158 pos += 16 |
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159 f = st[pos:pos + l] |
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160 self.map[f] = e[:3] |
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161 pos += l |
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162 |
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163 def update(self, files): |
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164 if not files: return |
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165 self.read() |
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166 self.dirty = 1 |
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167 for f in files: |
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168 try: |
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169 s = os.stat(f) |
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170 self.map[f] = (s.st_mode, s.st_size, s.st_mtime) |
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171 except IOError: |
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172 self.remove(f) |
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173 |
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174 def taint(self, files): |
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175 if not files: return |
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176 self.read() |
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177 self.dirty = 1 |
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178 for f in files: |
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179 self.map[f] = (0, -1, 0) |
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180 |
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181 def remove(self, files): |
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182 if not files: return |
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183 self.read() |
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184 self.dirty = 1 |
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185 for f in files: |
| 20 | 186 try: |
| 187 del self.map[f] | |
| 188 except KeyError: | |
| 189 self.ui.warn("Not in dircache: %s\n" % f) | |
| 190 pass | |
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191 |
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192 def clear(self): |
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193 self.map = {} |
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194 self.dirty = 1 |
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195 |
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196 def write(self): |
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197 st = self.opener("dircache", "w") |
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198 for f, e in self.map.items(): |
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199 e = struct.pack(">llll", e[0], e[1], e[2], len(f)) |
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200 st.write(e + f) |
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201 self.dirty = 0 |
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202 |
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203 def copy(self): |
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204 self.read() |
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205 return self.map.copy() |
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206 |
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207 # used to avoid circular references so destructors work |
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208 def opener(base): |
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209 p = base |
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210 def o(path, mode="r"): |
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211 if p[:7] == "http://": |
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212 f = os.path.join(p, urllib.quote(path)) |
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213 return httprangereader(f) |
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214 |
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215 f = os.path.join(p, path) |
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216 |
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217 if mode != "r" and os.path.isfile(f): |
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218 s = os.stat(f) |
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219 if s.st_nlink > 1: |
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220 file(f + ".tmp", "w").write(file(f).read()) |
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221 os.rename(f+".tmp", f) |
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222 |
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223 return file(f, mode) |
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224 |
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225 return o |
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226 |
| 60 | 227 class localrepository: |
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228 def __init__(self, ui, path=None, create=0): |
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229 self.remote = 0 |
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230 if path and path[:7] == "http://": |
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231 self.remote = 1 |
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232 self.path = path |
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233 else: |
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234 if not path: |
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235 p = os.getcwd() |
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236 while not os.path.isdir(os.path.join(p, ".hg")): |
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237 p = os.path.dirname(p) |
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238 if p == "/": raise "No repo found" |
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239 path = p |
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240 self.path = os.path.join(path, ".hg") |
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241 |
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242 self.root = path |
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243 self.ui = ui |
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244 |
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245 if create: |
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246 os.mkdir(self.path) |
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247 os.mkdir(self.join("data")) |
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248 |
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249 self.opener = opener(self.path) |
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250 self.manifest = manifest(self.opener) |
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251 self.changelog = changelog(self.opener) |
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252 self.ignorelist = None |
| 67 | 253 self.tags = None |
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254 |
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255 if not self.remote: |
| 20 | 256 self.dircache = dircache(self.opener, ui) |
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257 try: |
|
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258 self.current = bin(self.opener("current").read()) |
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259 except IOError: |
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260 self.current = None |
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261 |
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262 def setcurrent(self, node): |
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263 self.current = node |
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264 self.opener("current", "w").write(hex(node)) |
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265 |
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266 def ignore(self, f): |
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267 if self.ignorelist is None: |
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268 self.ignorelist = [] |
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269 try: |
| 67 | 270 l = open(os.path.join(self.root, ".hgignore")) |
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271 for pat in l: |
| 9 | 272 if pat != "\n": |
| 273 self.ignorelist.append(re.compile(pat[:-1])) | |
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274 except IOError: pass |
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275 for pat in self.ignorelist: |
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276 if pat.search(f): return True |
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277 return False |
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278 |
| 67 | 279 def lookup(self, key): |
| 280 if self.tags is None: | |
| 281 self.tags = {} | |
| 282 try: | |
| 283 fl = self.file(".hgtags") | |
| 284 for l in fl.revision(fl.tip()).splitlines(): | |
| 285 if l: | |
| 286 n, k = l.split(" ") | |
| 287 self.tags[k] = bin(n) | |
| 288 except KeyError: pass | |
| 289 try: | |
| 290 return self.tags[key] | |
| 291 except KeyError: | |
| 292 return self.changelog.lookup(key) | |
| 293 | |
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294 def join(self, f): |
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295 return os.path.join(self.path, f) |
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296 |
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297 def file(self, f): |
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298 return filelog(self.opener, f) |
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299 |
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300 def transaction(self): |
| 95 | 301 return transaction(self.opener, self.join("journal"), |
| 302 self.join("undo")) | |
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303 |
| 30 | 304 def commit(self, parent, update = None, text = ""): |
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305 tr = self.transaction() |
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306 |
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307 try: |
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308 remove = [ l[:-1] for l in self.opener("to-remove") ] |
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309 os.unlink(self.join("to-remove")) |
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310 |
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311 except IOError: |
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312 remove = [] |
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313 |
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314 if update == None: |
| 29 | 315 update = self.diffdir(self.root, parent)[0] |
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316 |
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317 # check in files |
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318 new = {} |
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319 linkrev = self.changelog.count() |
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320 for f in update: |
| 83 | 321 self.ui.note(f + "\n") |
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322 try: |
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323 t = file(f).read() |
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324 except IOError: |
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325 remove.append(f) |
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326 continue |
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327 r = self.file(f) |
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328 new[f] = r.add(t, tr, linkrev) |
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329 |
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330 # update manifest |
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331 mmap = self.manifest.read(self.manifest.tip()) |
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332 mmap.update(new) |
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333 for f in remove: |
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334 del mmap[f] |
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335 mnode = self.manifest.add(mmap, tr, linkrev) |
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336 |
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337 # add changeset |
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338 new = new.keys() |
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339 new.sort() |
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340 |
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341 edittext = text + "\n"+"".join(["HG: changed %s\n" % f for f in new]) |
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342 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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343 edittext = self.ui.edit(edittext) |
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344 |
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345 n = self.changelog.add(mnode, new, edittext, tr) |
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346 tr.close() |
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347 |
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348 self.setcurrent(n) |
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349 self.dircache.update(new) |
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350 self.dircache.remove(remove) |
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351 |
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352 def checkdir(self, path): |
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353 d = os.path.dirname(path) |
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354 if not d: return |
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355 if not os.path.isdir(d): |
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356 self.checkdir(d) |
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357 os.mkdir(d) |
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358 |
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359 def checkout(self, node): |
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360 # checkout is really dumb at the moment |
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361 # it ought to basically merge |
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362 change = self.changelog.read(node) |
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363 mmap = self.manifest.read(change[0]) |
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364 |
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365 l = mmap.keys() |
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366 l.sort() |
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367 stats = [] |
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368 for f in l: |
| 83 | 369 self.ui.note(f + "\n") |
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370 r = self.file(f) |
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371 t = r.revision(mmap[f]) |
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372 try: |
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373 file(f, "w").write(t) |
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374 except: |
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375 self.checkdir(f) |
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376 file(f, "w").write(t) |
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377 |
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378 self.setcurrent(node) |
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379 self.dircache.clear() |
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380 self.dircache.update(l) |
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381 |
| 29 | 382 def diffdir(self, path, changeset): |
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383 changed = [] |
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384 mf = {} |
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385 added = [] |
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386 |
| 29 | 387 if changeset: |
| 388 change = self.changelog.read(changeset) | |
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389 mf = self.manifest.read(change[0]) |
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390 |
| 29 | 391 if changeset == self.current: |
| 392 dc = self.dircache.copy() | |
| 393 else: | |
| 394 dc = dict.fromkeys(mf) | |
| 395 | |
| 396 def fcmp(fn): | |
| 64 | 397 t1 = file(os.path.join(self.root, fn)).read() |
| 29 | 398 t2 = self.file(fn).revision(mf[fn]) |
| 399 return cmp(t1, t2) | |
| 400 | |
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401 for dir, subdirs, files in os.walk(self.root): |
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402 d = dir[len(self.root)+1:] |
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403 if ".hg" in subdirs: subdirs.remove(".hg") |
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404 |
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405 for f in files: |
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406 fn = os.path.join(d, f) |
| 64 | 407 try: s = os.stat(os.path.join(self.root, fn)) |
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408 except: continue |
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409 if fn in dc: |
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410 c = dc[fn] |
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411 del dc[fn] |
| 29 | 412 if not c: |
| 413 if fcmp(fn): | |
| 414 changed.append(fn) | |
| 33 | 415 elif c[1] != s.st_size: |
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416 changed.append(fn) |
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417 elif c[0] != s.st_mode or c[2] != s.st_mtime: |
| 29 | 418 if fcmp(fn): |
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419 changed.append(fn) |
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420 else: |
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421 if self.ignore(fn): continue |
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422 added.append(fn) |
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423 |
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424 deleted = dc.keys() |
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425 deleted.sort() |
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426 |
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427 return (changed, added, deleted) |
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428 |
| 32 | 429 def diffrevs(self, node1, node2): |
| 33 | 430 changed, added = [], [] |
| 32 | 431 |
| 432 change = self.changelog.read(node1) | |
| 433 mf1 = self.manifest.read(change[0]) | |
| 33 | 434 change = self.changelog.read(node2) |
| 32 | 435 mf2 = self.manifest.read(change[0]) |
| 436 | |
| 437 for fn in mf2: | |
| 438 if mf1.has_key(fn): | |
| 439 if mf1[fn] != mf2[fn]: | |
| 440 changed.append(fn) | |
| 441 del mf1[fn] | |
| 442 else: | |
| 443 added.append(fn) | |
| 444 | |
| 445 deleted = mf1.keys() | |
| 446 deleted.sort() | |
| 447 | |
| 448 return (changed, added, deleted) | |
| 449 | |
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450 def add(self, list): |
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451 self.dircache.taint(list) |
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452 |
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453 def remove(self, list): |
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454 dl = self.opener("to-remove", "a") |
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455 for f in list: |
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456 dl.write(f + "\n") |
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457 |
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56
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458 def branches(self, nodes): |
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459 if not nodes: nodes = [self.changelog.tip()] |
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460 b = [] |
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461 for n in nodes: |
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462 t = n |
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463 while n: |
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464 p = self.changelog.parents(n) |
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465 if p[1] != nullid or p[0] == nullid: |
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466 b.append((t, n, p[0], p[1])) |
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467 break |
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468 n = p[0] |
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469 return b |
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470 |
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471 def between(self, pairs): |
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472 r = [] |
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473 |
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474 for top, bottom in pairs: |
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475 n, l, i = top, [], 0 |
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476 f = 1 |
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477 |
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478 while n != bottom: |
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479 p = self.changelog.parents(n)[0] |
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480 if i == f: |
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481 l.append(n) |
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482 f = f * 2 |
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483 n = p |
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484 i += 1 |
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485 |
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486 r.append(l) |
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487 |
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488 return r |
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489 |
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490 def newer(self, nodes): |
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491 m = {} |
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492 nl = [] |
| 94 | 493 pm = {} |
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494 cl = self.changelog |
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495 t = l = cl.count() |
| 94 | 496 |
| 497 # find the lowest numbered node | |
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498 for n in nodes: |
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499 l = min(l, cl.rev(n)) |
| 94 | 500 m[n] = 1 |
| 46 | 501 |
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502 for i in xrange(l, t): |
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503 n = cl.node(i) |
| 94 | 504 if n in m: # explicitly listed |
| 505 pm[n] = 1 | |
| 506 nl.append(n) | |
| 507 continue | |
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508 for p in cl.parents(n): |
| 94 | 509 if p in pm: # parent listed |
| 510 pm[n] = 1 | |
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511 nl.append(n) |
| 94 | 512 break |
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513 |
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514 return nl |
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515 |
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516 def getchangegroup(self, remote): |
| 60 | 517 tip = remote.branches([])[0] |
| 83 | 518 self.ui.debug("remote tip branch is %s:%s\n" % |
| 519 (short(tip[0]), short(tip[1]))) | |
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520 m = self.changelog.nodemap |
| 60 | 521 unknown = [tip] |
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522 search = [] |
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523 fetch = [] |
| 46 | 524 |
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525 if tip[0] in m: |
| 83 | 526 self.ui.note("nothing to do!\n") |
| 60 | 527 return None |
| 528 | |
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529 while unknown: |
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530 n = unknown.pop(0) |
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531 if n == nullid: break |
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532 if n[1] and n[1] in m: # do we know the base? |
| 83 | 533 self.ui.debug("found incomplete branch %s\n" % short(n[1])) |
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534 search.append(n) # schedule branch range for scanning |
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535 else: |
| 94 | 536 if n[2] in m and n[3] in m: |
| 537 if n[1] not in fetch: | |
| 538 self.ui.debug("found new changeset %s\n" % | |
| 539 short(n[1])) | |
| 540 fetch.append(n[1]) # earliest unknown | |
| 541 continue | |
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542 for b in remote.branches([n[2], n[3]]): |
| 94 | 543 if b[0] not in m: |
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544 unknown.append(b) |
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545 |
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546 while search: |
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547 n = search.pop(0) |
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548 l = remote.between([(n[0], n[1])])[0] |
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549 p = n[0] |
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550 f = 1 |
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551 for i in l + [n[1]]: |
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552 if i in m: |
| 85 | 553 if f <= 2: |
| 83 | 554 self.ui.debug("found new branch changeset %s\n" % |
| 555 short(p)) | |
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556 fetch.append(p) |
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557 else: |
| 83 | 558 self.ui.debug("narrowed branch search to %s:%s\n" |
| 559 % (short(p), short(i))) | |
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560 search.append((p, i)) |
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561 break |
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562 p, f = i, f * 2 |
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563 |
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564 for f in fetch: |
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565 if f in m: |
| 83 | 566 raise "already have", short(f[:4]) |
| 567 | |
| 94 | 568 self.ui.note("adding new changesets starting at " + |
| 83 | 569 " ".join([short(f) for f in fetch]) + "\n") |
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570 |
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571 return remote.changegroup(fetch) |
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572 |
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573 def changegroup(self, basenodes): |
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574 nodes = self.newer(basenodes) |
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575 |
| 46 | 576 # construct the link map |
| 577 linkmap = {} | |
| 578 for n in nodes: | |
| 579 linkmap[self.changelog.rev(n)] = n | |
| 580 | |
| 581 # construct a list of all changed files | |
| 582 changed = {} | |
| 583 for n in nodes: | |
| 584 c = self.changelog.read(n) | |
| 585 for f in c[3]: | |
| 586 changed[f] = 1 | |
| 587 changed = changed.keys() | |
| 588 changed.sort() | |
| 589 | |
| 590 # the changegroup is changesets + manifests + all file revs | |
| 591 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 592 | |
| 60 | 593 yield self.changelog.group(linkmap) |
| 594 yield self.manifest.group(linkmap) | |
| 46 | 595 |
| 596 for f in changed: | |
| 597 g = self.file(f).group(linkmap) | |
| 598 if not g: raise "couldn't find change to %s" % f | |
| 599 l = struct.pack(">l", len(f)) | |
| 60 | 600 yield "".join([l, f, g]) |
| 46 | 601 |
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602 def addchangegroup(self, generator): |
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603 class genread: |
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604 def __init__(self, generator): |
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605 self.g = generator |
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606 self.buf = "" |
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607 def read(self, l): |
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608 while l > len(self.buf): |
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609 try: |
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610 self.buf += self.g.next() |
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611 except StopIteration: |
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612 break |
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613 d, self.buf = self.buf[:l], self.buf[l:] |
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614 return d |
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615 |
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616 if not generator: return |
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617 source = genread(generator) |
| 60 | 618 |
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619 def getchunk(add = 0): |
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620 d = source.read(4) |
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621 if not d: return "" |
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622 l = struct.unpack(">l", d)[0] |
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623 return source.read(l - 4 + add) |
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624 |
| 46 | 625 tr = self.transaction() |
| 626 simple = True | |
| 627 | |
| 94 | 628 self.ui.status("adding changesets\n") |
| 46 | 629 # pull off the changeset group |
| 94 | 630 def report(x): |
| 631 self.ui.debug("add changeset %s\n" % short(x)) | |
| 632 return self.changelog.count() | |
| 633 | |
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634 csg = getchunk() |
| 46 | 635 co = self.changelog.tip() |
| 94 | 636 cn = self.changelog.addgroup(csg, report, tr) |
| 46 | 637 |
| 94 | 638 self.ui.status("adding manifests\n") |
| 46 | 639 # pull off the manifest group |
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640 mfg = getchunk() |
| 90 | 641 mm = self.manifest.tip() |
| 642 mo = self.manifest.addgroup(mfg, lambda x: self.changelog.rev(x), tr) | |
| 46 | 643 |
| 644 # do we need a resolve? | |
| 645 if self.changelog.ancestor(co, cn) != co: | |
| 646 simple = False | |
| 647 resolverev = self.changelog.count() | |
| 648 | |
| 649 # process the files | |
| 94 | 650 self.ui.status("adding files\n") |
| 46 | 651 new = {} |
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652 while 1: |
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653 f = getchunk(4) |
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654 if not f: break |
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655 fg = getchunk() |
| 94 | 656 self.ui.debug("adding %s revisions\n" % f) |
| 46 | 657 fl = self.file(f) |
| 658 o = fl.tip() | |
| 659 n = fl.addgroup(fg, lambda x: self.changelog.rev(x), tr) | |
| 660 if not simple: | |
| 94 | 661 if o == n: continue |
| 662 # this file has changed between branches, so it must be | |
| 663 # represented in the merge changeset | |
| 664 new[f] = self.merge3(fl, f, o, n, tr, resolverev) | |
| 46 | 665 |
| 666 # For simple merges, we don't need to resolve manifests or changesets | |
| 667 if simple: | |
| 90 | 668 self.ui.debug("simple merge, skipping resolve\n") |
| 46 | 669 tr.close() |
| 670 return | |
| 671 | |
| 672 # resolve the manifest to point to all the merged files | |
| 673 self.ui.status("resolving manifests\n") | |
| 674 ma = self.manifest.ancestor(mm, mo) | |
| 675 omap = self.manifest.read(mo) # other | |
| 676 amap = self.manifest.read(ma) # ancestor | |
| 90 | 677 mmap = self.manifest.read(mm) # mine |
| 678 self.ui.debug("ancestor %s local %s other %s\n" % | |
| 679 (short(ma), short(mm), short(mo))) | |
| 46 | 680 nmap = {} |
| 681 | |
| 682 for f, mid in mmap.iteritems(): | |
| 683 if f in omap: | |
| 90 | 684 if mid != omap[f]: |
| 685 self.ui.debug("%s versions differ\n" % f) | |
| 94 | 686 if f in new: self.ui.debug("%s updated in resolve\n" % f) |
| 687 # use merged version or local version | |
| 688 nmap[f] = new.get(f, mid) | |
| 46 | 689 else: |
| 90 | 690 nmap[f] = mid # keep ours |
| 46 | 691 del omap[f] |
| 692 elif f in amap: | |
| 90 | 693 if mid != amap[f]: |
| 694 self.ui.debug("local changed %s which other deleted\n" % f) | |
| 46 | 695 pass # we should prompt here |
| 696 else: | |
| 90 | 697 self.ui.debug("other deleted %s\n" % f) |
| 46 | 698 pass # other deleted it |
| 699 else: | |
| 90 | 700 self.ui.debug("local created %s\n" %f) |
| 701 nmap[f] = mid # we created it | |
| 46 | 702 |
| 703 del mmap | |
| 704 | |
| 705 for f, oid in omap.iteritems(): | |
| 706 if f in amap: | |
| 707 if oid != amap[f]: | |
| 90 | 708 self.ui.debug("other changed %s which we deleted\n" % f) |
| 46 | 709 pass # this is the nasty case, we should prompt |
| 710 else: | |
| 711 pass # probably safe | |
| 712 else: | |
| 90 | 713 self.ui.debug("remote created %s\n" % f) |
| 46 | 714 nmap[f] = new.get(f, oid) # remote created it |
| 715 | |
| 716 del omap | |
| 717 del amap | |
| 718 | |
| 719 node = self.manifest.add(nmap, tr, resolverev, mm, mo) | |
| 720 | |
| 721 # Now all files and manifests are merged, we add the changed files | |
| 722 # and manifest id to the changelog | |
| 723 self.ui.status("committing merge changeset\n") | |
| 724 new = new.keys() | |
| 725 new.sort() | |
| 726 if co == cn: cn = -1 | |
| 727 | |
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728 edittext = "\nHG: merge resolve\n" + \ |
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729 "".join(["HG: changed %s\n" % f for f in new]) |
| 46 | 730 edittext = self.ui.edit(edittext) |
| 731 n = self.changelog.add(node, new, edittext, tr, co, cn) | |
| 732 | |
| 733 tr.close() | |
| 734 | |
| 96 | 735 def merge3(self, fl, fn, my, other, transaction, link): |
| 736 """perform a 3-way merge and append the result""" | |
| 737 | |
| 738 def temp(prefix, node): | |
| 739 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 740 (fd, name) = tempfile.mkstemp("", pre) | |
| 741 f = os.fdopen(fd, "w") | |
| 742 f.write(fl.revision(node)) | |
| 743 f.close() | |
| 744 return name | |
| 745 | |
| 746 base = fl.ancestor(my, other) | |
| 747 self.ui.note("resolving %s\n" % fn) | |
| 748 self.ui.debug("local %s remote %s ancestor %s\n" % | |
| 749 (short(my), short(other), short(base))) | |
| 750 | |
| 751 if my == base: | |
| 752 text = fl.revision(other) | |
| 753 else: | |
| 754 a = temp("local", my) | |
| 755 b = temp("remote", other) | |
| 756 c = temp("parent", base) | |
| 757 | |
| 758 cmd = os.environ["HGMERGE"] | |
| 759 self.ui.debug("invoking merge with %s\n" % cmd) | |
| 760 r = os.system("%s %s %s %s" % (cmd, a, b, c)) | |
| 761 if r: | |
| 762 raise "Merge failed!" | |
| 763 | |
| 764 text = open(a).read() | |
| 765 os.unlink(a) | |
| 766 os.unlink(b) | |
| 767 os.unlink(c) | |
| 768 | |
| 769 return fl.addrevision(text, transaction, link, my, other) | |
| 770 | |
| 60 | 771 class remoterepository: |
| 772 def __init__(self, ui, path): | |
| 773 self.url = path.replace("hg://", "http://", 1) | |
| 774 self.ui = ui | |
| 775 | |
| 776 def do_cmd(self, cmd, **args): | |
| 83 | 777 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 778 q = {"cmd": cmd} |
| 779 q.update(args) | |
| 780 qs = urllib.urlencode(q) | |
| 781 cu = "%s?%s" % (self.url, qs) | |
|
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782 return urllib.urlopen(cu) |
| 60 | 783 |
| 784 def branches(self, nodes): | |
| 785 n = " ".join(map(hex, nodes)) | |
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786 d = self.do_cmd("branches", nodes=n).read() |
| 60 | 787 br = [ map(bin, b.split(" ")) for b in d.splitlines() ] |
| 788 return br | |
| 789 | |
| 790 def between(self, pairs): | |
| 791 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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792 d = self.do_cmd("between", pairs=n).read() |
| 60 | 793 p = [ map(bin, l.split(" ")) for l in d.splitlines() ] |
| 794 return p | |
| 795 | |
| 796 def changegroup(self, nodes): | |
| 797 n = " ".join(map(hex, nodes)) | |
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798 zd = zlib.decompressobj() |
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799 f = self.do_cmd("changegroup", roots=n) |
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800 while 1: |
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801 d = f.read(4096) |
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802 if not d: |
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803 yield zd.flush() |
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804 break |
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805 yield zd.decompress(d) |
| 60 | 806 |
| 807 def repository(ui, path=None, create=0): | |
| 808 if path and path[:5] == "hg://": | |
| 809 return remoterepository(ui, path) | |
| 810 else: | |
| 811 return localrepository(ui, path, create) | |
| 812 | |
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813 class ui: |
| 83 | 814 def __init__(self, verbose=False, debug=False, quiet=False): |
| 815 self.quiet = quiet and not verbose and not debug | |
| 816 self.verbose = verbose or debug | |
| 817 self.debugflag = debug | |
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818 def write(self, *args): |
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819 for a in args: |
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820 sys.stdout.write(str(a)) |
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821 def prompt(self, msg, pat): |
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822 while 1: |
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823 sys.stdout.write(msg) |
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824 r = sys.stdin.readline()[:-1] |
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825 if re.match(pat, r): |
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826 return r |
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827 def status(self, *msg): |
| 83 | 828 if not self.quiet: self.write(*msg) |
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829 def warn(self, msg): |
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830 self.write(*msg) |
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831 def note(self, msg): |
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832 if self.verbose: self.write(*msg) |
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833 def debug(self, msg): |
| 83 | 834 if self.debugflag: self.write(*msg) |
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835 def edit(self, text): |
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836 (fd, name) = tempfile.mkstemp("hg") |
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837 f = os.fdopen(fd, "w") |
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838 f.write(text) |
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839 f.close() |
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840 |
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841 editor = os.environ.get("EDITOR", "vi") |
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842 r = os.system("%s %s" % (editor, name)) |
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843 if r: |
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844 raise "Edit failed!" |
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845 |
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846 t = open(name).read() |
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847 t = re.sub("(?m)^HG:.*\n", "", t) |
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848 |
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849 return t |
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850 |
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851 |
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852 class httprangereader: |
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853 def __init__(self, url): |
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854 self.url = url |
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855 self.pos = 0 |
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856 def seek(self, pos): |
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857 self.pos = pos |
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858 def read(self, bytes=None): |
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859 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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860 urllib2.install_opener(opener) |
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861 req = urllib2.Request(self.url) |
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862 end = '' |
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863 if bytes: end = self.pos + bytes |
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864 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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865 f = urllib2.urlopen(req) |
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866 return f.read() |