Mercurial > public > mercurial-scm > hg
annotate mercurial/hg.py @ 199:2424676edd8c
annotate: deal with merges
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Hash: SHA1
annotate: deal with merges
This rewrite of the annotate code deals with merges:
- - find all ancestors
- - sort ancestors topologically
- - for each ancestor, pairwise annotate with parents
- - keep a cache of annotations for efficiency
manifest hash: b960d9b9c6a7f6ba351c97675b00a1dd3004dcf1
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| author | mpm@selenic.com |
|---|---|
| date | Tue, 31 May 2005 08:56:05 -0800 |
| parents | 5d8553352d2e |
| children | 8450c18f2a45 |
| 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 |
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110
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8 import sys, struct, sha, socket, os, time, re, urllib2 |
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9 import urllib |
| 161 | 10 from mercurial import byterange, lock |
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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 revlog.__init__(self, opener, |
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18 os.path.join("data", path + ".i"), |
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19 os.path.join("data", path + ".d")) |
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20 |
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21 def read(self, node): |
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22 return self.revision(node) |
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23 def add(self, text, transaction, link, p1=None, p2=None): |
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24 return self.addrevision(text, transaction, link, p1, p2) |
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25 |
| 79 | 26 def annotate(self, node): |
| 199 | 27 |
| 28 def decorate(text, rev): | |
| 29 return [(rev, l) for l in text.splitlines(1)] | |
| 30 | |
| 31 def strip(annotation): | |
| 32 return [e[1] for e in annotation] | |
| 33 | |
| 34 def pair(parent, child): | |
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35 new = [] |
| 199 | 36 sm = SequenceMatcher(None, strip(parent), strip(child)) |
| 79 | 37 for o, m, n, s, t in sm.get_opcodes(): |
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38 if o == 'equal': |
| 199 | 39 new += parent[m:n] |
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40 else: |
| 199 | 41 new += child[s:t] |
| 42 return new | |
| 43 | |
| 44 needed = {} | |
| 45 visit = [node] | |
| 46 while visit: | |
| 47 n = visit.pop(0) | |
| 48 for p in self.parents(n): | |
| 49 if p not in needed: | |
| 50 needed[p] = 1 | |
| 51 visit.append(p) | |
| 52 | |
| 53 visit = needed.keys() | |
| 54 visit = [ (self.rev(n), n) for n in visit ] | |
| 55 visit.sort() | |
| 56 visit = [ p[1] for p in visit ] | |
| 57 hist = {} | |
| 58 | |
| 59 for n in visit: | |
| 60 curr = decorate(self.read(n), self.linkrev(n)) | |
| 61 for p in self.parents(n): | |
| 62 if p != nullid: | |
| 63 curr = pair(hist[p], curr) | |
| 64 hist[n] = curr | |
| 65 | |
| 66 return hist[n] | |
| 79 | 67 |
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68 class manifest(revlog): |
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69 def __init__(self, opener): |
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70 self.mapcache = None |
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71 self.listcache = None |
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72 self.addlist = None |
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73 revlog.__init__(self, opener, "00manifest.i", "00manifest.d") |
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74 |
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75 def read(self, node): |
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76 if self.mapcache and self.mapcache[0] == node: |
| 90 | 77 return self.mapcache[1].copy() |
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78 text = self.revision(node) |
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79 map = {} |
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80 self.listcache = (text, text.splitlines(1)) |
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81 for l in self.listcache[1]: |
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82 (f, n) = l.split('\0') |
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83 map[f] = bin(n[:40]) |
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84 self.mapcache = (node, map) |
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85 return map |
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86 |
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87 def diff(self, a, b): |
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88 # this is sneaky, as we're not actually using a and b |
| 140 | 89 if self.listcache and self.addlist and self.listcache[0] == a: |
| 98 | 90 d = mdiff.diff(self.listcache[1], self.addlist, 1) |
| 91 if mdiff.patch(a, d) != b: | |
| 92 sys.stderr.write("*** sortdiff failed, falling back ***\n") | |
| 93 return mdiff.textdiff(a, b) | |
| 94 return d | |
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95 else: |
| 44 | 96 return mdiff.textdiff(a, b) |
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97 |
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98 def add(self, map, transaction, link, p1=None, p2=None): |
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99 files = map.keys() |
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100 files.sort() |
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101 |
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102 self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files] |
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103 text = "".join(self.addlist) |
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104 |
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105 n = self.addrevision(text, transaction, link, p1, p2) |
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106 self.mapcache = (n, map) |
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107 self.listcache = (text, self.addlist) |
| 140 | 108 self.addlist = None |
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109 |
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110 return n |
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111 |
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112 class changelog(revlog): |
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113 def __init__(self, opener): |
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114 revlog.__init__(self, opener, "00changelog.i", "00changelog.d") |
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115 |
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116 def extract(self, text): |
| 37 | 117 if not text: |
| 40 | 118 return (nullid, "", "0", [], "") |
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119 last = text.index("\n\n") |
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120 desc = text[last + 2:] |
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121 l = text[:last].splitlines() |
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122 manifest = bin(l[0]) |
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123 user = l[1] |
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124 date = l[2] |
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125 files = l[3:] |
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126 return (manifest, user, date, files, desc) |
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127 |
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128 def read(self, node): |
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129 return self.extract(self.revision(node)) |
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130 |
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131 def add(self, manifest, list, desc, transaction, p1=None, p2=None): |
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132 user = (os.environ.get("HGUSER") or |
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133 os.environ.get("EMAIL") or |
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134 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn()) |
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135 date = "%d %d" % (time.time(), time.timezone) |
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136 list.sort() |
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137 l = [hex(manifest), user, date] + list + ["", desc] |
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138 text = "\n".join(l) |
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139 return self.addrevision(text, transaction, self.count(), p1, p2) |
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140 |
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141 class dircache: |
| 20 | 142 def __init__(self, opener, ui): |
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143 self.opener = opener |
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144 self.dirty = 0 |
| 20 | 145 self.ui = ui |
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146 self.map = None |
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147 def __del__(self): |
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148 if self.dirty: self.write() |
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149 def __getitem__(self, key): |
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150 try: |
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151 return self.map[key] |
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152 except TypeError: |
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153 self.read() |
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154 return self[key] |
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155 |
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156 def read(self): |
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157 if self.map is not None: return self.map |
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158 |
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159 self.map = {} |
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160 try: |
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161 st = self.opener("dircache").read() |
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162 except: return |
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163 |
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164 pos = 0 |
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165 while pos < len(st): |
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166 e = struct.unpack(">llll", st[pos:pos+16]) |
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167 l = e[3] |
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168 pos += 16 |
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169 f = st[pos:pos + l] |
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170 self.map[f] = e[:3] |
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171 pos += l |
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172 |
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173 def update(self, files): |
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174 if not files: return |
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175 self.read() |
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176 self.dirty = 1 |
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177 for f in files: |
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178 try: |
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179 s = os.stat(f) |
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180 self.map[f] = (s.st_mode, s.st_size, s.st_mtime) |
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181 except IOError: |
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182 self.remove(f) |
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183 |
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184 def taint(self, files): |
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185 if not files: return |
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186 self.read() |
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187 self.dirty = 1 |
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188 for f in files: |
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189 self.map[f] = (0, -1, 0) |
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190 |
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191 def remove(self, files): |
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192 if not files: return |
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193 self.read() |
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194 self.dirty = 1 |
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195 for f in files: |
| 20 | 196 try: |
| 197 del self.map[f] | |
| 198 except KeyError: | |
| 199 self.ui.warn("Not in dircache: %s\n" % f) | |
| 200 pass | |
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201 |
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202 def clear(self): |
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203 self.map = {} |
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204 self.dirty = 1 |
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205 |
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206 def write(self): |
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207 st = self.opener("dircache", "w") |
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208 for f, e in self.map.items(): |
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209 e = struct.pack(">llll", e[0], e[1], e[2], len(f)) |
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210 st.write(e + f) |
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211 self.dirty = 0 |
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212 |
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213 def copy(self): |
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214 self.read() |
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215 return self.map.copy() |
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216 |
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217 # used to avoid circular references so destructors work |
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218 def opener(base): |
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219 p = base |
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220 def o(path, mode="r"): |
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221 if p[:7] == "http://": |
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222 f = os.path.join(p, urllib.quote(path)) |
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223 return httprangereader(f) |
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224 |
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225 f = os.path.join(p, path) |
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226 |
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227 if mode != "r": |
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228 try: |
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229 s = os.stat(f) |
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230 except OSError: |
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231 d = os.path.dirname(f) |
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232 if not os.path.isdir(d): |
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233 os.makedirs(d) |
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234 else: |
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235 if s.st_nlink > 1: |
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236 file(f + ".tmp", "w").write(file(f).read()) |
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237 os.rename(f+".tmp", f) |
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238 |
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239 return file(f, mode) |
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240 |
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241 return o |
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242 |
| 60 | 243 class localrepository: |
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244 def __init__(self, ui, path=None, create=0): |
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245 self.remote = 0 |
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246 if path and path[:7] == "http://": |
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247 self.remote = 1 |
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248 self.path = path |
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249 else: |
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250 if not path: |
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251 p = os.getcwd() |
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252 while not os.path.isdir(os.path.join(p, ".hg")): |
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253 p = os.path.dirname(p) |
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254 if p == "/": raise "No repo found" |
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255 path = p |
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256 self.path = os.path.join(path, ".hg") |
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257 |
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258 self.root = path |
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259 self.ui = ui |
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260 |
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261 if create: |
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262 os.mkdir(self.path) |
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263 os.mkdir(self.join("data")) |
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264 |
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265 self.opener = opener(self.path) |
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266 self.manifest = manifest(self.opener) |
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267 self.changelog = changelog(self.opener) |
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268 self.ignorelist = None |
| 67 | 269 self.tags = None |
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270 |
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271 if not self.remote: |
| 20 | 272 self.dircache = dircache(self.opener, ui) |
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273 try: |
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274 self.current = bin(self.opener("current").read()) |
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275 except IOError: |
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276 self.current = None |
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277 |
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278 def setcurrent(self, node): |
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279 self.current = node |
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280 self.opener("current", "w").write(hex(node)) |
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281 |
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282 def ignore(self, f): |
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283 if self.ignorelist is None: |
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284 self.ignorelist = [] |
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285 try: |
| 67 | 286 l = open(os.path.join(self.root, ".hgignore")) |
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287 for pat in l: |
| 9 | 288 if pat != "\n": |
| 289 self.ignorelist.append(re.compile(pat[:-1])) | |
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290 except IOError: pass |
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291 for pat in self.ignorelist: |
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292 if pat.search(f): return True |
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293 return False |
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294 |
| 67 | 295 def lookup(self, key): |
| 296 if self.tags is None: | |
| 297 self.tags = {} | |
| 298 try: | |
| 299 fl = self.file(".hgtags") | |
| 300 for l in fl.revision(fl.tip()).splitlines(): | |
| 301 if l: | |
| 302 n, k = l.split(" ") | |
| 303 self.tags[k] = bin(n) | |
| 304 except KeyError: pass | |
| 305 try: | |
| 306 return self.tags[key] | |
| 307 except KeyError: | |
| 308 return self.changelog.lookup(key) | |
| 309 | |
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310 def join(self, f): |
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311 return os.path.join(self.path, f) |
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312 |
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313 def file(self, f): |
| 192 | 314 if f[0] == '/': f = f[1:] |
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315 return filelog(self.opener, f) |
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316 |
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317 def transaction(self): |
| 95 | 318 return transaction(self.opener, self.join("journal"), |
| 319 self.join("undo")) | |
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320 |
| 162 | 321 def recover(self, f = "journal"): |
| 322 self.lock() | |
| 323 if os.path.exists(self.join(f)): | |
| 163 | 324 self.ui.status("attempting to rollback %s information\n" % f) |
| 162 | 325 return rollback(self.opener, self.join(f)) |
| 163 | 326 else: |
| 327 self.ui.warn("no %s information available\n" % f) | |
| 162 | 328 |
| 161 | 329 def lock(self, wait = 1): |
| 330 try: | |
| 331 return lock.lock(self.join("lock"), 0) | |
| 332 except lock.LockHeld, inst: | |
| 333 if wait: | |
| 334 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 335 return lock.lock(self.join("lock"), wait) | |
| 336 raise inst | |
| 337 | |
| 30 | 338 def commit(self, parent, update = None, text = ""): |
| 161 | 339 self.lock() |
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340 try: |
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341 remove = [ l[:-1] for l in self.opener("to-remove") ] |
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342 os.unlink(self.join("to-remove")) |
|
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343 |
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344 except IOError: |
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345 remove = [] |
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346 |
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347 if update == None: |
| 29 | 348 update = self.diffdir(self.root, parent)[0] |
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349 |
| 151 | 350 if not update: |
| 351 self.ui.status("nothing changed\n") | |
| 352 return | |
| 353 | |
| 354 tr = self.transaction() | |
| 355 | |
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356 # check in files |
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357 new = {} |
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358 linkrev = self.changelog.count() |
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359 update.sort() |
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360 for f in update: |
| 83 | 361 self.ui.note(f + "\n") |
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362 try: |
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363 t = file(f).read() |
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364 except IOError: |
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365 remove.append(f) |
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366 continue |
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367 r = self.file(f) |
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368 new[f] = r.add(t, tr, linkrev) |
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369 |
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370 # update manifest |
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371 mmap = self.manifest.read(self.manifest.tip()) |
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372 mmap.update(new) |
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373 for f in remove: |
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374 del mmap[f] |
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375 mnode = self.manifest.add(mmap, tr, linkrev) |
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376 |
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377 # add changeset |
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378 new = new.keys() |
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379 new.sort() |
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380 |
|
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381 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mnode) |
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382 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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383 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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384 edittext = self.ui.edit(edittext) |
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385 |
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386 n = self.changelog.add(mnode, new, edittext, tr) |
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387 tr.close() |
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388 |
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389 self.setcurrent(n) |
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390 self.dircache.update(new) |
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391 self.dircache.remove(remove) |
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392 |
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393 def checkout(self, node): |
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394 # checkout is really dumb at the moment |
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395 # it ought to basically merge |
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396 change = self.changelog.read(node) |
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397 l = self.manifest.read(change[0]).items() |
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398 l.sort() |
|
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399 |
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400 for f,n in l: |
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401 if f[0] == "/": continue |
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402 self.ui.note(f, "\n") |
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403 t = self.file(f).revision(n) |
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404 try: |
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405 file(f, "w").write(t) |
|
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406 except IOError: |
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407 os.makedirs(os.path.dirname(f)) |
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408 file(f, "w").write(t) |
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409 |
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410 self.setcurrent(node) |
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411 self.dircache.clear() |
|
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412 self.dircache.update([f for f,n in l]) |
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413 |
| 29 | 414 def diffdir(self, path, changeset): |
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415 changed = [] |
|
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416 mf = {} |
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417 added = [] |
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418 |
| 29 | 419 if changeset: |
| 420 change = self.changelog.read(changeset) | |
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421 mf = self.manifest.read(change[0]) |
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422 |
| 29 | 423 if changeset == self.current: |
| 424 dc = self.dircache.copy() | |
| 425 else: | |
| 426 dc = dict.fromkeys(mf) | |
| 427 | |
| 428 def fcmp(fn): | |
| 64 | 429 t1 = file(os.path.join(self.root, fn)).read() |
| 29 | 430 t2 = self.file(fn).revision(mf[fn]) |
| 431 return cmp(t1, t2) | |
| 432 | |
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433 for dir, subdirs, files in os.walk(self.root): |
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434 d = dir[len(self.root)+1:] |
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435 if ".hg" in subdirs: subdirs.remove(".hg") |
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436 |
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437 for f in files: |
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438 fn = os.path.join(d, f) |
| 64 | 439 try: s = os.stat(os.path.join(self.root, fn)) |
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440 except: continue |
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441 if fn in dc: |
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442 c = dc[fn] |
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443 del dc[fn] |
| 29 | 444 if not c: |
| 445 if fcmp(fn): | |
| 446 changed.append(fn) | |
| 33 | 447 elif c[1] != s.st_size: |
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448 changed.append(fn) |
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449 elif c[0] != s.st_mode or c[2] != s.st_mtime: |
| 29 | 450 if fcmp(fn): |
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451 changed.append(fn) |
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452 else: |
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453 if self.ignore(fn): continue |
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454 added.append(fn) |
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455 |
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456 deleted = dc.keys() |
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457 deleted.sort() |
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458 |
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459 return (changed, added, deleted) |
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460 |
| 32 | 461 def diffrevs(self, node1, node2): |
| 33 | 462 changed, added = [], [] |
| 32 | 463 |
| 464 change = self.changelog.read(node1) | |
| 465 mf1 = self.manifest.read(change[0]) | |
| 33 | 466 change = self.changelog.read(node2) |
| 32 | 467 mf2 = self.manifest.read(change[0]) |
| 468 | |
| 469 for fn in mf2: | |
| 470 if mf1.has_key(fn): | |
| 471 if mf1[fn] != mf2[fn]: | |
| 472 changed.append(fn) | |
| 473 del mf1[fn] | |
| 474 else: | |
| 475 added.append(fn) | |
| 476 | |
| 477 deleted = mf1.keys() | |
| 478 deleted.sort() | |
| 479 | |
| 480 return (changed, added, deleted) | |
| 481 | |
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482 def add(self, list): |
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483 self.dircache.taint(list) |
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484 |
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485 def remove(self, list): |
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486 dl = self.opener("to-remove", "a") |
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487 for f in list: |
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488 dl.write(f + "\n") |
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489 |
|
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490 def branches(self, nodes): |
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491 if not nodes: nodes = [self.changelog.tip()] |
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492 b = [] |
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493 for n in nodes: |
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494 t = n |
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495 while n: |
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496 p = self.changelog.parents(n) |
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497 if p[1] != nullid or p[0] == nullid: |
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498 b.append((t, n, p[0], p[1])) |
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499 break |
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500 n = p[0] |
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501 return b |
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502 |
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503 def between(self, pairs): |
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504 r = [] |
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505 |
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506 for top, bottom in pairs: |
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507 n, l, i = top, [], 0 |
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508 f = 1 |
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509 |
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510 while n != bottom: |
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511 p = self.changelog.parents(n)[0] |
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512 if i == f: |
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513 l.append(n) |
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514 f = f * 2 |
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515 n = p |
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516 i += 1 |
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517 |
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518 r.append(l) |
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519 |
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520 return r |
|
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521 |
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522 def newer(self, nodes): |
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523 m = {} |
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524 nl = [] |
| 94 | 525 pm = {} |
|
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526 cl = self.changelog |
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527 t = l = cl.count() |
| 94 | 528 |
| 529 # find the lowest numbered node | |
|
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530 for n in nodes: |
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531 l = min(l, cl.rev(n)) |
| 94 | 532 m[n] = 1 |
| 46 | 533 |
|
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534 for i in xrange(l, t): |
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535 n = cl.node(i) |
| 94 | 536 if n in m: # explicitly listed |
| 537 pm[n] = 1 | |
| 538 nl.append(n) | |
| 539 continue | |
|
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540 for p in cl.parents(n): |
| 94 | 541 if p in pm: # parent listed |
| 542 pm[n] = 1 | |
|
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543 nl.append(n) |
| 94 | 544 break |
|
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545 |
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546 return nl |
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547 |
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548 def getchangegroup(self, remote): |
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549 m = self.changelog.nodemap |
|
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550 search = [] |
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551 fetch = [] |
|
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552 seen = {} |
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553 seenbranch = {} |
| 192 | 554 |
| 555 self.ui.status("searching for changes\n") | |
|
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556 tip = remote.branches([])[0] |
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557 self.ui.debug("remote tip branch is %s:%s\n" % |
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558 (short(tip[0]), short(tip[1]))) |
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559 |
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560 # if we have an empty repo, fetch everything |
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561 if self.changelog.tip() == nullid: |
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562 return remote.changegroup([nullid]) |
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563 |
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564 # otherwise, assume we're closer to the tip than the root |
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565 unknown = [tip] |
| 46 | 566 |
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567 if tip[0] in m: |
| 192 | 568 self.ui.status("nothing to do!\n") |
| 60 | 569 return None |
| 570 | |
|
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571 while unknown: |
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572 n = unknown.pop(0) |
|
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573 seen[n[0]] = 1 |
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574 |
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575 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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576 if n == nullid: break |
|
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577 if n in seenbranch: |
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578 self.ui.debug("branch already found\n") |
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579 continue |
|
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580 if n[1] and n[1] in m: # do we know the base? |
|
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581 self.ui.debug("found incomplete branch %s:%s\n" |
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582 % (short(n[0]), short(n[1]))) |
|
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583 search.append(n) # schedule branch range for scanning |
|
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584 seenbranch[n] = 1 |
|
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585 else: |
| 94 | 586 if n[2] in m and n[3] in m: |
| 587 if n[1] not in fetch: | |
| 588 self.ui.debug("found new changeset %s\n" % | |
| 589 short(n[1])) | |
| 590 fetch.append(n[1]) # earliest unknown | |
| 591 continue | |
|
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592 |
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593 r = [] |
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594 for a in n[2:4]: |
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595 if a not in seen: r.append(a) |
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596 |
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597 if r: |
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598 self.ui.debug("requesting %s\n" % |
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599 " ".join(map(short, r))) |
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600 for b in remote.branches(r): |
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601 self.ui.debug("received %s:%s\n" % |
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602 (short(b[0]), short(b[1]))) |
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603 if b[0] not in m and b[0] not in seen: |
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604 unknown.append(b) |
|
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605 |
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606 while search: |
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607 n = search.pop(0) |
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608 l = remote.between([(n[0], n[1])])[0] |
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609 p = n[0] |
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610 f = 1 |
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611 for i in l + [n[1]]: |
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612 if i in m: |
| 85 | 613 if f <= 2: |
| 83 | 614 self.ui.debug("found new branch changeset %s\n" % |
| 615 short(p)) | |
|
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616 fetch.append(p) |
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617 else: |
| 83 | 618 self.ui.debug("narrowed branch search to %s:%s\n" |
| 619 % (short(p), short(i))) | |
|
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620 search.append((p, i)) |
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621 break |
|
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622 p, f = i, f * 2 |
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623 |
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624 for f in fetch: |
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625 if f in m: |
| 83 | 626 raise "already have", short(f[:4]) |
| 627 | |
| 94 | 628 self.ui.note("adding new changesets starting at " + |
| 83 | 629 " ".join([short(f) for f in fetch]) + "\n") |
|
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630 |
|
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631 return remote.changegroup(fetch) |
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632 |
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633 def changegroup(self, basenodes): |
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634 nodes = self.newer(basenodes) |
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635 |
| 46 | 636 # construct the link map |
| 637 linkmap = {} | |
| 638 for n in nodes: | |
| 639 linkmap[self.changelog.rev(n)] = n | |
| 640 | |
| 641 # construct a list of all changed files | |
| 642 changed = {} | |
| 643 for n in nodes: | |
| 644 c = self.changelog.read(n) | |
| 645 for f in c[3]: | |
| 646 changed[f] = 1 | |
| 647 changed = changed.keys() | |
| 648 changed.sort() | |
| 649 | |
| 650 # the changegroup is changesets + manifests + all file revs | |
| 651 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 652 | |
| 192 | 653 for y in self.changelog.group(linkmap): yield y |
| 654 for y in self.manifest.group(linkmap): yield y | |
| 46 | 655 for f in changed: |
| 192 | 656 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 657 g = self.file(f).group(linkmap) |
| 192 | 658 for y in g: |
| 659 yield y | |
| 46 | 660 |
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661 def addchangegroup(self, generator): |
|
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662 changesets = files = revisions = 0 |
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663 |
| 161 | 664 self.lock() |
|
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665 class genread: |
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666 def __init__(self, generator): |
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667 self.g = generator |
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668 self.buf = "" |
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669 def read(self, l): |
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670 while l > len(self.buf): |
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671 try: |
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672 self.buf += self.g.next() |
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673 except StopIteration: |
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674 break |
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675 d, self.buf = self.buf[:l], self.buf[l:] |
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676 return d |
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677 |
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678 if not generator: return |
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679 source = genread(generator) |
| 60 | 680 |
| 192 | 681 def getchunk(): |
|
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682 d = source.read(4) |
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683 if not d: return "" |
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684 l = struct.unpack(">l", d)[0] |
| 192 | 685 if l <= 4: return "" |
| 686 return source.read(l - 4) | |
| 687 | |
| 688 def getgroup(): | |
| 689 while 1: | |
| 690 c = getchunk() | |
| 691 if not c: break | |
| 692 yield c | |
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693 |
| 46 | 694 tr = self.transaction() |
| 695 simple = True | |
| 146 | 696 need = {} |
| 46 | 697 |
| 94 | 698 self.ui.status("adding changesets\n") |
| 46 | 699 # pull off the changeset group |
| 94 | 700 def report(x): |
| 701 self.ui.debug("add changeset %s\n" % short(x)) | |
| 702 return self.changelog.count() | |
| 192 | 703 |
| 46 | 704 co = self.changelog.tip() |
| 192 | 705 cn = self.changelog.addgroup(getgroup(), report, tr) |
| 46 | 706 |
| 192 | 707 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
|
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708 |
| 94 | 709 self.ui.status("adding manifests\n") |
| 46 | 710 # pull off the manifest group |
| 90 | 711 mm = self.manifest.tip() |
| 192 | 712 mo = self.manifest.addgroup(getgroup(), |
| 713 lambda x: self.changelog.rev(x), tr) | |
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714 |
| 46 | 715 # do we need a resolve? |
| 716 if self.changelog.ancestor(co, cn) != co: | |
| 717 simple = False | |
| 718 resolverev = self.changelog.count() | |
| 719 | |
| 146 | 720 # resolve the manifest to determine which files |
| 721 # we care about merging | |
| 722 self.ui.status("resolving manifests\n") | |
| 723 ma = self.manifest.ancestor(mm, mo) | |
| 724 omap = self.manifest.read(mo) # other | |
| 725 amap = self.manifest.read(ma) # ancestor | |
| 726 mmap = self.manifest.read(mm) # mine | |
| 727 nmap = {} | |
| 728 | |
| 729 self.ui.debug(" ancestor %s local %s remote %s\n" % | |
| 730 (short(ma), short(mm), short(mo))) | |
| 731 | |
| 732 for f, mid in mmap.iteritems(): | |
| 733 if f in omap: | |
| 734 if mid != omap[f]: | |
| 735 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 736 need[f] = mid # use merged version or local version | |
| 737 else: | |
| 738 nmap[f] = mid # keep ours | |
| 739 del omap[f] | |
| 740 elif f in amap: | |
| 741 if mid != amap[f]: | |
| 742 r = self.ui.prompt( | |
| 743 (" local changed %s which remote deleted\n" % f) + | |
| 744 "(k)eep or (d)elete?", "[kd]", "k") | |
| 745 if r == "k": nmap[f] = mid | |
| 746 else: | |
| 747 self.ui.debug("other deleted %s\n" % f) | |
| 748 pass # other deleted it | |
| 749 else: | |
| 750 self.ui.debug("local created %s\n" %f) | |
| 751 nmap[f] = mid # we created it | |
| 752 | |
| 753 del mmap | |
| 754 | |
| 755 for f, oid in omap.iteritems(): | |
| 756 if f in amap: | |
| 757 if oid != amap[f]: | |
| 758 r = self.ui.prompt( | |
| 759 ("remote changed %s which local deleted\n" % f) + | |
| 760 "(k)eep or (d)elete?", "[kd]", "k") | |
| 761 if r == "k": nmap[f] = oid | |
| 762 else: | |
| 763 pass # probably safe | |
| 764 else: | |
| 765 self.ui.debug("remote created %s, do resolve\n" % f) | |
| 766 need[f] = oid | |
| 767 | |
| 768 del omap | |
| 769 del amap | |
| 770 | |
| 771 new = need.keys() | |
| 772 new.sort() | |
| 773 | |
| 46 | 774 # process the files |
| 94 | 775 self.ui.status("adding files\n") |
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776 while 1: |
| 192 | 777 f = getchunk() |
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778 if not f: break |
| 94 | 779 self.ui.debug("adding %s revisions\n" % f) |
| 46 | 780 fl = self.file(f) |
| 781 o = fl.tip() | |
| 192 | 782 n = fl.addgroup(getgroup(), lambda x: self.changelog.rev(x), tr) |
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783 revisions += fl.rev(n) - fl.rev(o) |
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784 files += 1 |
| 146 | 785 if f in need: |
| 786 del need[f] | |
| 787 # manifest resolve determined we need to merge the tips | |
| 788 nmap[f] = self.merge3(fl, f, o, n, tr, resolverev) | |
| 789 | |
| 790 if need: | |
| 791 # we need to do trivial merges on local files | |
| 792 for f in new: | |
| 793 if f not in need: continue | |
| 794 fl = self.file(f) | |
| 795 nmap[f] = self.merge3(fl, f, need[f], fl.tip(), tr, resolverev) | |
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796 revisions += 1 |
| 46 | 797 |
| 798 # For simple merges, we don't need to resolve manifests or changesets | |
| 799 if simple: | |
| 90 | 800 self.ui.debug("simple merge, skipping resolve\n") |
| 192 | 801 self.ui.status(("modified %d files, added %d changesets" + |
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802 " and %d new revisions\n") |
| 192 | 803 % (files, changesets, revisions)) |
| 46 | 804 tr.close() |
| 805 return | |
| 806 | |
| 807 node = self.manifest.add(nmap, tr, resolverev, mm, mo) | |
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808 revisions += 1 |
| 46 | 809 |
| 810 # Now all files and manifests are merged, we add the changed files | |
| 811 # and manifest id to the changelog | |
| 812 self.ui.status("committing merge changeset\n") | |
| 813 if co == cn: cn = -1 | |
| 814 | |
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815 edittext = "\nHG: merge resolve\n" + \ |
| 187 | 816 "HG: manifest hash %s\n" % hex(node) + \ |
|
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817 "".join(["HG: changed %s\n" % f for f in new]) |
| 46 | 818 edittext = self.ui.edit(edittext) |
| 819 n = self.changelog.add(node, new, edittext, tr, co, cn) | |
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820 revisions += 1 |
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821 |
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822 self.ui.status("added %d changesets, %d files, and %d new revisions\n" |
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823 % (changesets, files, revisions)) |
| 46 | 824 |
| 825 tr.close() | |
| 826 | |
| 96 | 827 def merge3(self, fl, fn, my, other, transaction, link): |
| 828 """perform a 3-way merge and append the result""" | |
| 829 | |
| 830 def temp(prefix, node): | |
| 831 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 832 (fd, name) = tempfile.mkstemp("", pre) | |
| 833 f = os.fdopen(fd, "w") | |
| 834 f.write(fl.revision(node)) | |
| 835 f.close() | |
| 836 return name | |
| 837 | |
| 838 base = fl.ancestor(my, other) | |
| 839 self.ui.note("resolving %s\n" % fn) | |
| 840 self.ui.debug("local %s remote %s ancestor %s\n" % | |
| 841 (short(my), short(other), short(base))) | |
| 842 | |
| 843 if my == base: | |
| 844 text = fl.revision(other) | |
| 845 else: | |
| 846 a = temp("local", my) | |
| 847 b = temp("remote", other) | |
| 848 c = temp("parent", base) | |
| 849 | |
| 850 cmd = os.environ["HGMERGE"] | |
| 851 self.ui.debug("invoking merge with %s\n" % cmd) | |
| 149 | 852 r = os.system("%s %s %s %s %s" % (cmd, a, b, c, fn)) |
| 96 | 853 if r: |
| 854 raise "Merge failed!" | |
| 855 | |
| 856 text = open(a).read() | |
| 857 os.unlink(a) | |
| 858 os.unlink(b) | |
| 859 os.unlink(c) | |
| 860 | |
| 171 | 861 return fl.add(text, transaction, link, my, other) |
| 96 | 862 |
| 60 | 863 class remoterepository: |
| 864 def __init__(self, ui, path): | |
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865 self.url = path |
| 60 | 866 self.ui = ui |
| 867 | |
| 868 def do_cmd(self, cmd, **args): | |
| 83 | 869 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 870 q = {"cmd": cmd} |
| 871 q.update(args) | |
| 872 qs = urllib.urlencode(q) | |
| 873 cu = "%s?%s" % (self.url, qs) | |
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874 return urllib.urlopen(cu) |
| 60 | 875 |
| 876 def branches(self, nodes): | |
| 877 n = " ".join(map(hex, nodes)) | |
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878 d = self.do_cmd("branches", nodes=n).read() |
|
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879 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] |
| 60 | 880 return br |
| 881 | |
| 882 def between(self, pairs): | |
| 883 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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884 d = self.do_cmd("between", pairs=n).read() |
| 187 | 885 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] |
| 60 | 886 return p |
| 887 | |
| 888 def changegroup(self, nodes): | |
| 889 n = " ".join(map(hex, nodes)) | |
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890 zd = zlib.decompressobj() |
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891 f = self.do_cmd("changegroup", roots=n) |
| 192 | 892 bytes = 0 |
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893 while 1: |
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894 d = f.read(4096) |
| 192 | 895 bytes += len(d) |
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896 if not d: |
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897 yield zd.flush() |
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898 break |
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899 yield zd.decompress(d) |
| 192 | 900 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 901 |
| 902 def repository(ui, path=None, create=0): | |
|
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903 if path and path[:7] == "http://": |
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904 return remoterepository(ui, path) |
| 60 | 905 if path and path[:5] == "hg://": |
|
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906 return remoterepository(ui, path.replace("hg://", "http://")) |
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907 if path and path[:11] == "old-http://": |
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908 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 909 else: |
| 910 return localrepository(ui, path, create) | |
| 911 | |
|
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912 class ui: |
| 107 | 913 def __init__(self, verbose=False, debug=False, quiet=False, |
| 914 interactive=True): | |
| 83 | 915 self.quiet = quiet and not verbose and not debug |
| 916 self.verbose = verbose or debug | |
| 917 self.debugflag = debug | |
| 107 | 918 self.interactive = interactive |
|
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919 def write(self, *args): |
|
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920 for a in args: |
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921 sys.stdout.write(str(a)) |
| 107 | 922 def readline(self): |
| 923 return sys.stdin.readline()[:-1] | |
| 924 def prompt(self, msg, pat, default = "y"): | |
| 925 if not self.interactive: return default | |
|
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926 while 1: |
| 107 | 927 self.write(msg, " ") |
| 928 r = self.readline() | |
|
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929 if re.match(pat, r): |
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930 return r |
| 107 | 931 else: |
| 932 self.write("unrecognized response\n") | |
|
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933 def status(self, *msg): |
| 83 | 934 if not self.quiet: self.write(*msg) |
|
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935 def warn(self, msg): |
|
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936 self.write(*msg) |
| 107 | 937 def note(self, *msg): |
|
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938 if self.verbose: self.write(*msg) |
| 107 | 939 def debug(self, *msg): |
| 83 | 940 if self.debugflag: self.write(*msg) |
|
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941 def edit(self, text): |
|
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942 (fd, name) = tempfile.mkstemp("hg") |
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943 f = os.fdopen(fd, "w") |
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944 f.write(text) |
|
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945 f.close() |
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946 |
| 186 | 947 editor = os.environ.get("HGEDITOR") or os.environ.get("EDITOR", "vi") |
|
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948 r = os.system("%s %s" % (editor, name)) |
| 186 | 949 |
|
0
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950 if r: |
|
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951 raise "Edit failed!" |
|
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952 |
|
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953 t = open(name).read() |
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954 t = re.sub("(?m)^HG:.*\n", "", t) |
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|
955 |
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956 return t |
|
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957 |
|
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958 class httprangereader: |
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959 def __init__(self, url): |
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960 self.url = url |
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961 self.pos = 0 |
|
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962 def seek(self, pos): |
|
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963 self.pos = pos |
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964 def read(self, bytes=None): |
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965 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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966 urllib2.install_opener(opener) |
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967 req = urllib2.Request(self.url) |
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968 end = '' |
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969 if bytes: end = self.pos + bytes |
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970 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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971 f = urllib2.urlopen(req) |
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972 return f.read() |