Mercurial > public > mercurial-scm > hg-stable
annotate mercurial/hg.py @ 251:3fd8fc14b12f
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| author | mpm@selenic.com |
|---|---|
| date | Sat, 04 Jun 2005 15:14:11 -0800 |
| parents | 619e775aa7f9 |
| children | 2da0a56aa1fd |
| 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 |
| 249 | 8 import sys, struct, os |
| 9 from mercurial import lock | |
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10 from mercurial.transaction import * |
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11 from mercurial.revlog import * |
| 79 | 12 from difflib import SequenceMatcher |
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13 |
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14 class filelog(revlog): |
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15 def __init__(self, opener, path): |
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16 revlog.__init__(self, opener, |
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17 os.path.join("data", path + ".i"), |
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18 os.path.join("data", path + ".d")) |
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19 |
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20 def read(self, node): |
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21 return self.revision(node) |
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22 def add(self, text, transaction, link, p1=None, p2=None): |
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23 return self.addrevision(text, transaction, link, p1, p2) |
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24 |
| 79 | 25 def annotate(self, node): |
| 199 | 26 |
| 27 def decorate(text, rev): | |
| 28 return [(rev, l) for l in text.splitlines(1)] | |
| 29 | |
| 30 def strip(annotation): | |
| 31 return [e[1] for e in annotation] | |
| 32 | |
| 33 def pair(parent, child): | |
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34 new = [] |
| 199 | 35 sm = SequenceMatcher(None, strip(parent), strip(child)) |
| 79 | 36 for o, m, n, s, t in sm.get_opcodes(): |
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37 if o == 'equal': |
| 199 | 38 new += parent[m:n] |
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39 else: |
| 199 | 40 new += child[s:t] |
| 41 return new | |
| 42 | |
| 200 | 43 # find all ancestors |
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44 needed = {node:1} |
| 199 | 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) | |
| 200 | 52 else: |
| 53 # count how many times we'll use this | |
| 54 needed[p] += 1 | |
| 199 | 55 |
| 200 | 56 # sort by revision which is a topological order |
| 199 | 57 visit = needed.keys() |
| 58 visit = [ (self.rev(n), n) for n in visit ] | |
| 59 visit.sort() | |
| 60 visit = [ p[1] for p in visit ] | |
| 61 hist = {} | |
| 62 | |
| 63 for n in visit: | |
| 64 curr = decorate(self.read(n), self.linkrev(n)) | |
| 65 for p in self.parents(n): | |
| 66 if p != nullid: | |
| 67 curr = pair(hist[p], curr) | |
| 200 | 68 # trim the history of unneeded revs |
| 69 needed[p] -= 1 | |
| 70 if not needed[p]: | |
| 71 del hist[p] | |
| 199 | 72 hist[n] = curr |
| 73 | |
| 74 return hist[n] | |
| 79 | 75 |
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76 class manifest(revlog): |
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77 def __init__(self, opener): |
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78 self.mapcache = None |
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79 self.listcache = None |
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80 self.addlist = None |
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81 revlog.__init__(self, opener, "00manifest.i", "00manifest.d") |
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82 |
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83 def read(self, node): |
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84 if self.mapcache and self.mapcache[0] == node: |
| 90 | 85 return self.mapcache[1].copy() |
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86 text = self.revision(node) |
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87 map = {} |
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88 self.listcache = (text, text.splitlines(1)) |
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89 for l in self.listcache[1]: |
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90 (f, n) = l.split('\0') |
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91 map[f] = bin(n[:40]) |
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92 self.mapcache = (node, map) |
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93 return map |
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94 |
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95 def diff(self, a, b): |
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96 # this is sneaky, as we're not actually using a and b |
| 140 | 97 if self.listcache and self.addlist and self.listcache[0] == a: |
| 98 | 98 d = mdiff.diff(self.listcache[1], self.addlist, 1) |
| 99 if mdiff.patch(a, d) != b: | |
| 100 sys.stderr.write("*** sortdiff failed, falling back ***\n") | |
| 101 return mdiff.textdiff(a, b) | |
| 102 return d | |
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103 else: |
| 44 | 104 return mdiff.textdiff(a, b) |
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105 |
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106 def add(self, map, transaction, link, p1=None, p2=None): |
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107 files = map.keys() |
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108 files.sort() |
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109 |
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110 self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files] |
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111 text = "".join(self.addlist) |
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112 |
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113 n = self.addrevision(text, transaction, link, p1, p2) |
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114 self.mapcache = (n, map) |
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115 self.listcache = (text, self.addlist) |
| 140 | 116 self.addlist = None |
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117 |
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118 return n |
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119 |
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120 class changelog(revlog): |
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121 def __init__(self, opener): |
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122 revlog.__init__(self, opener, "00changelog.i", "00changelog.d") |
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123 |
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124 def extract(self, text): |
| 37 | 125 if not text: |
| 40 | 126 return (nullid, "", "0", [], "") |
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127 last = text.index("\n\n") |
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128 desc = text[last + 2:] |
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129 l = text[:last].splitlines() |
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130 manifest = bin(l[0]) |
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131 user = l[1] |
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132 date = l[2] |
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133 files = l[3:] |
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134 return (manifest, user, date, files, desc) |
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135 |
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136 def read(self, node): |
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137 return self.extract(self.revision(node)) |
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138 |
| 203 | 139 def add(self, manifest, list, desc, transaction, p1=None, p2=None, |
| 140 user=None, date=None): | |
| 249 | 141 import socket, time |
| 203 | 142 user = (user or |
| 143 os.environ.get("HGUSER") or | |
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144 os.environ.get("EMAIL") or |
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145 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn()) |
| 203 | 146 date = date or "%d %d" % (time.time(), time.timezone) |
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147 list.sort() |
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148 l = [hex(manifest), user, date] + list + ["", desc] |
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149 text = "\n".join(l) |
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150 return self.addrevision(text, transaction, self.count(), p1, p2) |
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151 |
| 220 | 152 class dirstate: |
| 244 | 153 def __init__(self, opener, ui, root): |
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154 self.opener = opener |
| 244 | 155 self.root = root |
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156 self.dirty = 0 |
| 20 | 157 self.ui = ui |
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158 self.map = None |
| 227 | 159 self.pl = None |
| 220 | 160 |
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161 def __del__(self): |
| 220 | 162 if self.dirty: |
| 163 self.write() | |
| 164 | |
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165 def __getitem__(self, key): |
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166 try: |
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167 return self.map[key] |
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168 except TypeError: |
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169 self.read() |
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170 return self[key] |
| 220 | 171 |
| 172 def __contains__(self, key): | |
| 173 if not self.map: self.read() | |
| 174 return key in self.map | |
| 175 | |
| 227 | 176 def parents(self): |
| 177 if not self.pl: | |
| 178 self.read() | |
| 179 return self.pl | |
| 180 | |
| 181 def setparents(self, p1, p2 = nullid): | |
| 182 self.dirty = 1 | |
| 183 self.pl = p1, p2 | |
| 184 | |
| 220 | 185 def state(self, key): |
| 186 try: | |
| 187 return self[key][0] | |
| 188 except KeyError: | |
| 189 return "?" | |
| 190 | |
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191 def read(self): |
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192 if self.map is not None: return self.map |
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193 |
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194 self.map = {} |
| 227 | 195 self.pl = [nullid, nullid] |
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196 try: |
| 220 | 197 st = self.opener("dirstate").read() |
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198 except: return |
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199 |
| 227 | 200 self.pl = [st[:20], st[20: 40]] |
| 201 | |
| 202 pos = 40 | |
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203 while pos < len(st): |
| 220 | 204 e = struct.unpack(">cllll", st[pos:pos+17]) |
| 205 l = e[4] | |
| 206 pos += 17 | |
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207 f = st[pos:pos + l] |
| 220 | 208 self.map[f] = e[:4] |
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209 pos += l |
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210 |
| 220 | 211 def update(self, files, state): |
| 212 ''' current states: | |
| 213 n normal | |
| 231 | 214 m needs merging |
| 220 | 215 i invalid |
| 216 r marked for removal | |
| 217 a marked for addition''' | |
| 218 | |
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219 if not files: return |
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220 self.read() |
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221 self.dirty = 1 |
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222 for f in files: |
| 220 | 223 if state == "r": |
| 224 self.map[f] = ('r', 0, 0, 0) | |
| 225 else: | |
| 226 try: | |
| 244 | 227 s = os.stat(os.path.join(self.root, f)) |
| 220 | 228 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime) |
| 229 except OSError: | |
| 230 if state != "i": raise | |
| 231 self.map[f] = ('r', 0, 0, 0) | |
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232 |
| 220 | 233 def forget(self, files): |
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234 if not files: return |
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235 self.read() |
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236 self.dirty = 1 |
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237 for f in files: |
| 20 | 238 try: |
| 239 del self.map[f] | |
| 240 except KeyError: | |
| 220 | 241 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 242 pass |
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243 |
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244 def clear(self): |
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245 self.map = {} |
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246 self.dirty = 1 |
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247 |
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248 def write(self): |
| 220 | 249 st = self.opener("dirstate", "w") |
| 227 | 250 st.write("".join(self.pl)) |
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251 for f, e in self.map.items(): |
| 220 | 252 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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253 st.write(e + f) |
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254 self.dirty = 0 |
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255 |
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256 def copy(self): |
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257 self.read() |
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258 return self.map.copy() |
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259 |
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260 # used to avoid circular references so destructors work |
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261 def opener(base): |
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262 p = base |
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263 def o(path, mode="r"): |
|
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264 if p[:7] == "http://": |
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265 f = os.path.join(p, urllib.quote(path)) |
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266 return httprangereader(f) |
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267 |
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268 f = os.path.join(p, path) |
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269 |
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270 if mode != "r": |
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271 try: |
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272 s = os.stat(f) |
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273 except OSError: |
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274 d = os.path.dirname(f) |
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275 if not os.path.isdir(d): |
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276 os.makedirs(d) |
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277 else: |
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278 if s.st_nlink > 1: |
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279 file(f + ".tmp", "w").write(file(f).read()) |
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280 os.rename(f+".tmp", f) |
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281 |
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282 return file(f, mode) |
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283 |
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284 return o |
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285 |
| 60 | 286 class localrepository: |
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287 def __init__(self, ui, path=None, create=0): |
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288 self.remote = 0 |
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289 if path and path[:7] == "http://": |
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290 self.remote = 1 |
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291 self.path = path |
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292 else: |
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293 if not path: |
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294 p = os.getcwd() |
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295 while not os.path.isdir(os.path.join(p, ".hg")): |
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296 p = os.path.dirname(p) |
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297 if p == "/": raise "No repo found" |
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298 path = p |
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299 self.path = os.path.join(path, ".hg") |
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300 |
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301 self.root = path |
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302 self.ui = ui |
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303 |
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304 if create: |
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305 os.mkdir(self.path) |
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306 os.mkdir(self.join("data")) |
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307 |
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308 self.opener = opener(self.path) |
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309 self.manifest = manifest(self.opener) |
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310 self.changelog = changelog(self.opener) |
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311 self.ignorelist = None |
| 67 | 312 self.tags = None |
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313 |
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314 if not self.remote: |
| 244 | 315 self.dirstate = dirstate(self.opener, ui, self.root) |
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316 |
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317 def ignore(self, f): |
| 249 | 318 import re |
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319 if self.ignorelist is None: |
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320 self.ignorelist = [] |
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321 try: |
| 67 | 322 l = open(os.path.join(self.root, ".hgignore")) |
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323 for pat in l: |
| 9 | 324 if pat != "\n": |
| 325 self.ignorelist.append(re.compile(pat[:-1])) | |
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326 except IOError: pass |
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327 for pat in self.ignorelist: |
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328 if pat.search(f): return True |
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329 return False |
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330 |
| 67 | 331 def lookup(self, key): |
| 332 if self.tags is None: | |
| 333 self.tags = {} | |
| 334 try: | |
| 335 fl = self.file(".hgtags") | |
| 336 for l in fl.revision(fl.tip()).splitlines(): | |
| 337 if l: | |
| 338 n, k = l.split(" ") | |
| 339 self.tags[k] = bin(n) | |
| 340 except KeyError: pass | |
| 341 try: | |
| 342 return self.tags[key] | |
| 343 except KeyError: | |
| 344 return self.changelog.lookup(key) | |
| 345 | |
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346 def join(self, f): |
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347 return os.path.join(self.path, f) |
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348 |
| 244 | 349 def wjoin(self, f): |
| 350 return os.path.join(self.root, f) | |
| 351 | |
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352 def file(self, f): |
| 192 | 353 if f[0] == '/': f = f[1:] |
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354 return filelog(self.opener, f) |
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355 |
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356 def transaction(self): |
| 251 | 357 # save dirstate for undo |
| 358 ds = self.opener("dirstate").read() | |
| 359 self.opener("undo.dirstate", "w").write(ds) | |
| 95 | 360 return transaction(self.opener, self.join("journal"), |
| 361 self.join("undo")) | |
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362 |
| 210 | 363 def recover(self): |
| 225 | 364 lock = self.lock() |
| 210 | 365 if os.path.exists(self.join("recover")): |
| 366 self.ui.status("attempting to rollback interrupted transaction\n") | |
| 367 return rollback(self.opener, self.join("recover")) | |
| 368 else: | |
| 369 self.ui.warn("no interrupted transaction available\n") | |
| 370 | |
| 371 def undo(self): | |
| 225 | 372 lock = self.lock() |
| 210 | 373 if os.path.exists(self.join("undo")): |
| 374 self.ui.status("attempting to rollback last transaction\n") | |
| 375 rollback(self.opener, self.join("undo")) | |
| 251 | 376 self.dirstate = None |
| 377 os.rename(self.join("undo.dirstate"), self.join("dirstate")) | |
| 378 self.dirstate = dirstate(self.opener, self.ui, self.root) | |
| 163 | 379 else: |
| 210 | 380 self.ui.warn("no undo information available\n") |
| 162 | 381 |
| 161 | 382 def lock(self, wait = 1): |
| 383 try: | |
| 384 return lock.lock(self.join("lock"), 0) | |
| 385 except lock.LockHeld, inst: | |
| 386 if wait: | |
| 387 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 388 return lock.lock(self.join("lock"), wait) | |
| 389 raise inst | |
| 390 | |
| 203 | 391 def rawcommit(self, files, text, user, date, p1=None, p2=None): |
| 228 | 392 p1 = p1 or self.dirstate.parents()[0] or nullid |
| 393 p2 = p2 or self.dirstate.parents()[1] or nullid | |
| 203 | 394 pchange = self.changelog.read(p1) |
| 395 pmmap = self.manifest.read(pchange[0]) | |
| 396 tr = self.transaction() | |
| 397 mmap = {} | |
| 398 linkrev = self.changelog.count() | |
| 399 for f in files: | |
| 400 try: | |
| 401 t = file(f).read() | |
| 402 except IOError: | |
| 403 self.ui.warn("Read file %s error, skipped\n" % f) | |
| 404 continue | |
| 405 r = self.file(f) | |
| 228 | 406 # FIXME - need to find both parents properly |
| 203 | 407 prev = pmmap.get(f, nullid) |
| 408 mmap[f] = r.add(t, tr, linkrev, prev) | |
| 409 | |
| 410 mnode = self.manifest.add(mmap, tr, linkrev, pchange[0]) | |
| 411 n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, ) | |
| 412 tr.close() | |
| 228 | 413 self.dirstate.setparents(p1, p2) |
| 220 | 414 self.dirstate.clear() |
| 415 self.dirstate.update(mmap.keys(), "n") | |
| 203 | 416 |
| 229 | 417 def commit(self, files = None, text = ""): |
| 220 | 418 commit = [] |
| 419 remove = [] | |
| 420 if files: | |
| 421 for f in files: | |
| 422 s = self.dirstate.state(f) | |
| 244 | 423 if s in 'nmai': |
| 220 | 424 commit.append(f) |
| 425 elif s == 'r': | |
| 426 remove.append(f) | |
| 427 else: | |
| 244 | 428 self.ui.warn("%s not tracked!\n" % f) |
| 220 | 429 else: |
| 230 | 430 (c, a, d, u) = self.diffdir(self.root) |
| 220 | 431 commit = c + a |
| 432 remove = d | |
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433 |
| 220 | 434 if not commit and not remove: |
| 151 | 435 self.ui.status("nothing changed\n") |
| 436 return | |
| 437 | |
| 229 | 438 p1, p2 = self.dirstate.parents() |
| 439 c1 = self.changelog.read(p1) | |
| 440 c2 = self.changelog.read(p2) | |
| 441 m1 = self.manifest.read(c1[0]) | |
| 442 m2 = self.manifest.read(c2[0]) | |
| 225 | 443 lock = self.lock() |
| 151 | 444 tr = self.transaction() |
| 445 | |
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446 # check in files |
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447 new = {} |
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448 linkrev = self.changelog.count() |
| 220 | 449 commit.sort() |
| 450 for f in commit: | |
| 83 | 451 self.ui.note(f + "\n") |
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452 try: |
| 244 | 453 t = file(self.wjoin(f)).read() |
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454 except IOError: |
| 220 | 455 self.warn("trouble committing %s!\n" % f) |
| 456 raise | |
| 457 | |
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458 r = self.file(f) |
| 229 | 459 fp1 = m1.get(f, nullid) |
| 460 fp2 = m2.get(f, nullid) | |
| 461 new[f] = r.add(t, tr, linkrev, fp1, fp2) | |
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462 |
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463 # update manifest |
| 229 | 464 m1.update(new) |
| 465 for f in remove: del m1[f] | |
| 466 mn = self.manifest.add(m1, tr, linkrev, c1[0], c2[0]) | |
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467 |
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468 # add changeset |
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469 new = new.keys() |
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470 new.sort() |
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471 |
| 229 | 472 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mn) |
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473 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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474 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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475 edittext = self.ui.edit(edittext) |
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476 |
| 229 | 477 n = self.changelog.add(mn, new, edittext, tr, p1, p2) |
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478 tr.close() |
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479 |
| 229 | 480 self.dirstate.setparents(n) |
| 220 | 481 self.dirstate.update(new, "n") |
| 482 self.dirstate.forget(remove) | |
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483 |
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484 def checkout(self, node): |
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485 # checkout is really dumb at the moment |
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486 # it ought to basically merge |
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487 change = self.changelog.read(node) |
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488 l = self.manifest.read(change[0]).items() |
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489 l.sort() |
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490 |
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491 for f,n in l: |
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492 if f[0] == "/": continue |
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493 self.ui.note(f, "\n") |
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494 t = self.file(f).revision(n) |
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495 try: |
| 244 | 496 file(self.wjoin(f), "w").write(t) |
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497 except IOError: |
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498 os.makedirs(os.path.dirname(f)) |
| 244 | 499 file(self.wjoin(f), "w").write(t) |
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500 |
| 227 | 501 self.dirstate.setparents(node) |
| 220 | 502 self.dirstate.clear() |
| 503 self.dirstate.update([f for f,n in l], "n") | |
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504 |
| 230 | 505 def diffdir(self, path, changeset = None): |
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506 changed = [] |
| 220 | 507 added = [] |
| 508 unknown = [] | |
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509 mf = {} |
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510 |
| 29 | 511 if changeset: |
| 512 change = self.changelog.read(changeset) | |
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513 mf = self.manifest.read(change[0]) |
| 230 | 514 dc = dict.fromkeys(mf) |
| 515 else: | |
| 516 changeset = self.dirstate.parents()[0] | |
| 517 change = self.changelog.read(changeset) | |
| 518 mf = self.manifest.read(change[0]) | |
| 220 | 519 dc = self.dirstate.copy() |
| 29 | 520 |
| 521 def fcmp(fn): | |
| 244 | 522 t1 = file(self.wjoin(fn)).read() |
| 29 | 523 t2 = self.file(fn).revision(mf[fn]) |
| 524 return cmp(t1, t2) | |
| 525 | |
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526 for dir, subdirs, files in os.walk(self.root): |
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527 d = dir[len(self.root)+1:] |
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528 if ".hg" in subdirs: subdirs.remove(".hg") |
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529 |
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530 for f in files: |
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531 fn = os.path.join(d, f) |
| 64 | 532 try: s = os.stat(os.path.join(self.root, fn)) |
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533 except: continue |
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534 if fn in dc: |
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535 c = dc[fn] |
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536 del dc[fn] |
| 220 | 537 if not c: |
| 29 | 538 if fcmp(fn): |
| 539 changed.append(fn) | |
| 230 | 540 elif c[0] == 'i': |
| 220 | 541 if fn not in mf: |
| 542 added.append(fn) | |
| 543 elif fcmp(fn): | |
| 544 changed.append(fn) | |
| 231 | 545 elif c[0] == 'm': |
| 546 changed.append(fn) | |
| 220 | 547 elif c[0] == 'a': |
| 548 added.append(fn) | |
| 549 elif c[0] == 'r': | |
| 550 unknown.append(fn) | |
| 551 elif c[2] != s.st_size: | |
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552 changed.append(fn) |
| 220 | 553 elif c[1] != s.st_mode or c[3] != s.st_mtime: |
| 29 | 554 if fcmp(fn): |
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555 changed.append(fn) |
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556 else: |
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557 if self.ignore(fn): continue |
| 220 | 558 unknown.append(fn) |
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559 |
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560 deleted = dc.keys() |
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561 deleted.sort() |
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562 |
| 220 | 563 return (changed, added, deleted, unknown) |
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564 |
| 32 | 565 def diffrevs(self, node1, node2): |
| 33 | 566 changed, added = [], [] |
| 32 | 567 |
| 568 change = self.changelog.read(node1) | |
| 569 mf1 = self.manifest.read(change[0]) | |
| 33 | 570 change = self.changelog.read(node2) |
| 32 | 571 mf2 = self.manifest.read(change[0]) |
| 572 | |
| 573 for fn in mf2: | |
| 574 if mf1.has_key(fn): | |
| 575 if mf1[fn] != mf2[fn]: | |
| 576 changed.append(fn) | |
| 577 del mf1[fn] | |
| 578 else: | |
| 579 added.append(fn) | |
| 580 | |
| 581 deleted = mf1.keys() | |
| 582 deleted.sort() | |
| 583 | |
| 584 return (changed, added, deleted) | |
| 585 | |
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586 def add(self, list): |
| 220 | 587 for f in list: |
| 244 | 588 p = self.wjoin(f) |
| 220 | 589 if not os.path.isfile(p): |
| 590 self.ui.warn("%s does not exist!\n" % f) | |
| 591 elif self.dirstate.state(f) == 'n': | |
| 592 self.ui.warn("%s already tracked!\n" % f) | |
| 593 else: | |
| 594 self.dirstate.update([f], "a") | |
| 595 | |
| 596 def forget(self, list): | |
| 597 for f in list: | |
| 598 if self.dirstate.state(f) not in 'ai': | |
| 599 self.ui.warn("%s not added!\n" % f) | |
| 600 else: | |
| 601 self.dirstate.forget([f]) | |
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602 |
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603 def remove(self, list): |
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604 for f in list: |
| 244 | 605 p = self.wjoin(f) |
| 220 | 606 if os.path.isfile(p): |
| 607 self.ui.warn("%s still exists!\n" % f) | |
| 608 elif f not in self.dirstate: | |
| 609 self.ui.warn("%s not tracked!\n" % f) | |
| 610 else: | |
| 611 self.dirstate.update([f], "r") | |
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612 |
| 222 | 613 def heads(self): |
| 614 return self.changelog.heads() | |
| 615 | |
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616 def branches(self, nodes): |
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617 if not nodes: nodes = [self.changelog.tip()] |
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618 b = [] |
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619 for n in nodes: |
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620 t = n |
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621 while n: |
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622 p = self.changelog.parents(n) |
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623 if p[1] != nullid or p[0] == nullid: |
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624 b.append((t, n, p[0], p[1])) |
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625 break |
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626 n = p[0] |
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627 return b |
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628 |
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629 def between(self, pairs): |
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630 r = [] |
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631 |
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632 for top, bottom in pairs: |
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633 n, l, i = top, [], 0 |
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634 f = 1 |
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635 |
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636 while n != bottom: |
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637 p = self.changelog.parents(n)[0] |
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638 if i == f: |
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639 l.append(n) |
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640 f = f * 2 |
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641 n = p |
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642 i += 1 |
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643 |
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644 r.append(l) |
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645 |
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646 return r |
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647 |
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648 def newer(self, nodes): |
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649 m = {} |
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650 nl = [] |
| 94 | 651 pm = {} |
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652 cl = self.changelog |
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653 t = l = cl.count() |
| 94 | 654 |
| 655 # find the lowest numbered node | |
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656 for n in nodes: |
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657 l = min(l, cl.rev(n)) |
| 94 | 658 m[n] = 1 |
| 46 | 659 |
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660 for i in xrange(l, t): |
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661 n = cl.node(i) |
| 94 | 662 if n in m: # explicitly listed |
| 663 pm[n] = 1 | |
| 664 nl.append(n) | |
| 665 continue | |
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666 for p in cl.parents(n): |
| 94 | 667 if p in pm: # parent listed |
| 668 pm[n] = 1 | |
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669 nl.append(n) |
| 94 | 670 break |
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671 |
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672 return nl |
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673 |
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674 def getchangegroup(self, remote): |
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675 m = self.changelog.nodemap |
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676 search = [] |
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677 fetch = [] |
|
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678 seen = {} |
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679 seenbranch = {} |
| 192 | 680 |
|
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681 # if we have an empty repo, fetch everything |
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682 if self.changelog.tip() == nullid: |
| 222 | 683 self.ui.status("requesting all changes\n") |
|
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684 return remote.changegroup([nullid]) |
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685 |
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686 # otherwise, assume we're closer to the tip than the root |
| 222 | 687 self.ui.status("searching for changes\n") |
| 688 heads = remote.heads() | |
| 689 unknown = [] | |
| 690 for h in heads: | |
| 691 if h not in m: | |
| 692 unknown.append(h) | |
| 46 | 693 |
| 222 | 694 if not unknown: |
| 192 | 695 self.ui.status("nothing to do!\n") |
| 60 | 696 return None |
| 222 | 697 |
| 698 unknown = remote.branches(unknown) | |
|
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699 while unknown: |
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700 n = unknown.pop(0) |
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701 seen[n[0]] = 1 |
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702 |
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703 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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704 if n == nullid: break |
|
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705 if n in seenbranch: |
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706 self.ui.debug("branch already found\n") |
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707 continue |
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708 if n[1] and n[1] in m: # do we know the base? |
|
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709 self.ui.debug("found incomplete branch %s:%s\n" |
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710 % (short(n[0]), short(n[1]))) |
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711 search.append(n) # schedule branch range for scanning |
|
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712 seenbranch[n] = 1 |
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713 else: |
| 94 | 714 if n[2] in m and n[3] in m: |
| 715 if n[1] not in fetch: | |
| 716 self.ui.debug("found new changeset %s\n" % | |
| 717 short(n[1])) | |
| 718 fetch.append(n[1]) # earliest unknown | |
| 719 continue | |
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720 |
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721 r = [] |
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722 for a in n[2:4]: |
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723 if a not in seen: r.append(a) |
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724 |
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725 if r: |
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726 self.ui.debug("requesting %s\n" % |
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727 " ".join(map(short, r))) |
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728 for b in remote.branches(r): |
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729 self.ui.debug("received %s:%s\n" % |
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730 (short(b[0]), short(b[1]))) |
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731 if b[0] not in m and b[0] not in seen: |
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732 unknown.append(b) |
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733 |
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734 while search: |
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735 n = search.pop(0) |
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736 l = remote.between([(n[0], n[1])])[0] |
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737 p = n[0] |
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738 f = 1 |
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739 for i in l + [n[1]]: |
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740 if i in m: |
| 85 | 741 if f <= 2: |
| 83 | 742 self.ui.debug("found new branch changeset %s\n" % |
| 743 short(p)) | |
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744 fetch.append(p) |
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745 else: |
| 83 | 746 self.ui.debug("narrowed branch search to %s:%s\n" |
| 747 % (short(p), short(i))) | |
|
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748 search.append((p, i)) |
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749 break |
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750 p, f = i, f * 2 |
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751 |
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752 for f in fetch: |
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753 if f in m: |
| 83 | 754 raise "already have", short(f[:4]) |
| 755 | |
| 94 | 756 self.ui.note("adding new changesets starting at " + |
| 83 | 757 " ".join([short(f) for f in fetch]) + "\n") |
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758 |
|
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759 return remote.changegroup(fetch) |
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760 |
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761 def changegroup(self, basenodes): |
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762 nodes = self.newer(basenodes) |
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763 |
| 46 | 764 # construct the link map |
| 765 linkmap = {} | |
| 766 for n in nodes: | |
| 767 linkmap[self.changelog.rev(n)] = n | |
| 768 | |
| 769 # construct a list of all changed files | |
| 770 changed = {} | |
| 771 for n in nodes: | |
| 772 c = self.changelog.read(n) | |
| 773 for f in c[3]: | |
| 774 changed[f] = 1 | |
| 775 changed = changed.keys() | |
| 776 changed.sort() | |
| 777 | |
| 778 # the changegroup is changesets + manifests + all file revs | |
| 779 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 780 | |
| 192 | 781 for y in self.changelog.group(linkmap): yield y |
| 782 for y in self.manifest.group(linkmap): yield y | |
| 46 | 783 for f in changed: |
| 192 | 784 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 785 g = self.file(f).group(linkmap) |
| 192 | 786 for y in g: |
| 787 yield y | |
| 46 | 788 |
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789 def addchangegroup(self, generator): |
| 222 | 790 |
| 791 class genread: | |
| 792 def __init__(self, generator): | |
| 793 self.g = generator | |
| 794 self.buf = "" | |
| 795 def read(self, l): | |
| 796 while l > len(self.buf): | |
| 797 try: | |
| 798 self.buf += self.g.next() | |
| 799 except StopIteration: | |
| 800 break | |
| 801 d, self.buf = self.buf[:l], self.buf[l:] | |
| 802 return d | |
| 803 | |
| 804 def getchunk(): | |
| 805 d = source.read(4) | |
| 806 if not d: return "" | |
| 807 l = struct.unpack(">l", d)[0] | |
| 808 if l <= 4: return "" | |
| 809 return source.read(l - 4) | |
| 810 | |
| 811 def getgroup(): | |
| 812 while 1: | |
| 813 c = getchunk() | |
| 814 if not c: break | |
| 815 yield c | |
| 816 | |
| 817 def csmap(x): | |
| 818 self.ui.debug("add changeset %s\n" % short(x)) | |
| 819 return self.changelog.count() | |
| 820 | |
| 821 def revmap(x): | |
| 822 return self.changelog.rev(x) | |
| 823 | |
| 824 if not generator: return | |
| 825 changesets = files = revisions = 0 | |
| 225 | 826 |
| 222 | 827 source = genread(generator) |
| 225 | 828 lock = self.lock() |
| 222 | 829 tr = self.transaction() |
| 830 | |
| 831 # pull off the changeset group | |
| 832 self.ui.status("adding changesets\n") | |
| 833 co = self.changelog.tip() | |
|
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834 cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique |
| 222 | 835 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
| 836 | |
| 837 # pull off the manifest group | |
| 838 self.ui.status("adding manifests\n") | |
| 839 mm = self.manifest.tip() | |
| 840 mo = self.manifest.addgroup(getgroup(), revmap, tr) | |
| 841 | |
| 842 # process the files | |
| 843 self.ui.status("adding file revisions\n") | |
| 844 while 1: | |
| 845 f = getchunk() | |
| 846 if not f: break | |
| 847 self.ui.debug("adding %s revisions\n" % f) | |
| 848 fl = self.file(f) | |
| 849 o = fl.tip() | |
| 850 n = fl.addgroup(getgroup(), revmap, tr) | |
| 851 revisions += fl.rev(n) - fl.rev(o) | |
| 852 files += 1 | |
| 853 | |
| 854 self.ui.status(("modified %d files, added %d changesets" + | |
| 855 " and %d new revisions\n") | |
| 856 % (files, changesets, revisions)) | |
| 857 | |
| 858 tr.close() | |
| 859 return | |
| 860 | |
|
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861 def resolve(self, node): |
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862 pl = self.dirstate.parents() |
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863 if pl[1] != nullid: |
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864 self.ui.warn("last merge not committed") |
| 46 | 865 return |
| 866 | |
|
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867 p1, p2 = pl[0], node |
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868 m1n = self.changelog.read(p1)[0] |
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869 m2n = self.changelog.read(p2)[0] |
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870 man = self.manifest.ancestor(m1n, m2n) |
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871 m1 = self.manifest.read(m1n) |
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872 m2 = self.manifest.read(m2n) |
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873 ma = self.manifest.read(man) |
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874 |
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875 (c, a, d, u) = self.diffdir(self.root) |
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876 |
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877 # resolve the manifest to determine which files |
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878 # we care about merging |
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879 self.ui.status("resolving manifests\n") |
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880 self.ui.debug(" ancestor %s local %s remote %s\n" % |
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881 (short(man), short(m1n), short(m2n))) |
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882 |
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883 merge = {} |
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884 get = {} |
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885 remove = [] |
| 46 | 886 |
|
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887 # construct a working dir manifest |
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888 mw = m1.copy() |
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889 for f in a + c: |
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890 mw[f] = nullid |
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891 for f in d: |
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892 del mw[f] |
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893 |
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894 for f, n in mw.iteritems(): |
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895 if f in m2: |
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896 if n != m2[f]: |
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897 self.ui.debug(" %s versions differ, do resolve\n" % f) |
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898 merge[f] = (m1.get(f, nullid), m2[f]) |
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899 del m2[f] |
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900 elif f in ma: |
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901 if n != ma[f]: |
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902 r = self.ui.prompt( |
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903 (" local changed %s which remote deleted\n" % f) + |
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904 "(k)eep or (d)elete?", "[kd]", "k") |
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905 if r == "d": |
|
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906 remove.append(f) |
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907 else: |
|
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908 self.ui.debug("other deleted %s\n" % f) |
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909 pass # other deleted it |
|
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910 else: |
|
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911 self.ui.debug("local created %s\n" %f) |
| 46 | 912 |
|
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913 for f, n in m2.iteritems(): |
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914 if f in ma: |
|
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915 if n != ma[f]: |
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916 r = self.ui.prompt( |
|
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917 ("remote changed %s which local deleted\n" % f) + |
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918 "(k)eep or (d)elete?", "[kd]", "k") |
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919 if r == "d": remove.append(f) |
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920 else: |
|
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921 pass # probably safe |
|
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922 else: |
|
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923 self.ui.debug("remote created %s, do resolve\n" % f) |
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924 get[f] = n |
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925 |
|
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|
926 del mw, m1, m2, ma |
|
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927 |
|
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|
928 self.dirstate.setparents(p1, p2) |
|
191
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929 |
|
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|
930 # get the files we don't need to change |
|
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931 files = get.keys() |
|
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932 files.sort() |
|
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933 for f in files: |
|
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|
934 if f[0] == "/": continue |
|
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935 self.ui.note(f, "\n") |
|
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936 t = self.file(f).revision(get[f]) |
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|
937 try: |
| 244 | 938 file(self.wjoin(f), "w").write(t) |
|
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939 except IOError: |
|
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|
940 os.makedirs(os.path.dirname(f)) |
| 244 | 941 file(self.wjoin(f), "w").write(t) |
|
232
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|
942 |
|
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|
943 # we have to remember what files we needed to get/change |
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944 # because any file that's different from either one of its |
|
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945 # parents must be in the changeset |
|
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946 self.dirstate.update(files, 'm') |
| 46 | 947 |
|
232
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|
948 # merge the tricky bits |
|
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|
949 files = merge.keys() |
|
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|
950 files.sort() |
|
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|
951 for f in files: |
|
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|
952 m, o = merge[f] |
|
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|
953 self.merge3(f, m, o) |
| 46 | 954 |
|
232
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|
955 # same here |
|
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956 self.dirstate.update(files, 'm') |
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|
957 |
|
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|
958 for f in remove: |
|
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959 self.ui.note("removing %s\n" % f) |
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960 #os.unlink(f) |
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961 self.dirstate.update(remove, 'r') |
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962 |
|
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963 def merge3(self, fn, my, other): |
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|
964 """perform a 3-way merge in the working directory""" |
| 249 | 965 |
| 966 import tempfile | |
| 96 | 967 |
| 968 def temp(prefix, node): | |
| 969 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 970 (fd, name) = tempfile.mkstemp("", pre) | |
| 971 f = os.fdopen(fd, "w") | |
| 972 f.write(fl.revision(node)) | |
| 973 f.close() | |
| 974 return name | |
| 975 | |
|
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976 fl = self.file(fn) |
| 96 | 977 base = fl.ancestor(my, other) |
| 244 | 978 a = self.wjoin(fn) |
|
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|
979 b = temp("other", other) |
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980 c = temp("base", base) |
| 96 | 981 |
|
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|
982 self.ui.note("resolving %s\n" % fn) |
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|
983 self.ui.debug("file %s: other %s ancestor %s\n" % |
|
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|
984 (fn, short(other), short(base))) |
| 96 | 985 |
| 240 | 986 cmd = os.environ.get("HGMERGE", "hgmerge") |
| 987 r = os.system("%s %s %s %s" % (cmd, a, b, c)) | |
|
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988 if r: |
|
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989 self.ui.warn("merging %s failed!\n" % f) |
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990 |
|
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991 os.unlink(b) |
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992 os.unlink(c) |
| 96 | 993 |
| 247 | 994 def verify(self): |
| 995 filelinkrevs = {} | |
| 996 filenodes = {} | |
| 997 manifestchangeset = {} | |
| 998 changesets = revisions = files = 0 | |
| 999 errors = 0 | |
| 1000 | |
| 1001 self.ui.status("checking changesets\n") | |
| 1002 for i in range(self.changelog.count()): | |
| 1003 changesets += 1 | |
| 1004 n = self.changelog.node(i) | |
| 1005 for p in self.changelog.parents(n): | |
| 1006 if p not in self.changelog.nodemap: | |
| 1007 self.ui.warn("changeset %s has unknown parent %s\n" % | |
| 1008 (short(n), short(p))) | |
| 1009 errors += 1 | |
| 1010 try: | |
| 1011 changes = self.changelog.read(n) | |
| 1012 except Exception, inst: | |
| 1013 self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) | |
| 1014 errors += 1 | |
| 1015 | |
| 1016 manifestchangeset[changes[0]] = n | |
| 1017 for f in changes[3]: | |
| 1018 filelinkrevs.setdefault(f, []).append(i) | |
| 1019 | |
| 1020 self.ui.status("checking manifests\n") | |
| 1021 for i in range(self.manifest.count()): | |
| 1022 n = self.manifest.node(i) | |
| 1023 for p in self.manifest.parents(n): | |
| 1024 if p not in self.manifest.nodemap: | |
| 1025 self.ui.warn("manifest %s has unknown parent %s\n" % | |
| 1026 (short(n), short(p))) | |
| 1027 errors += 1 | |
| 1028 ca = self.changelog.node(self.manifest.linkrev(n)) | |
| 1029 cc = manifestchangeset[n] | |
| 1030 if ca != cc: | |
| 1031 self.ui.warn("manifest %s points to %s, not %s\n" % | |
| 1032 (hex(n), hex(ca), hex(cc))) | |
| 1033 errors += 1 | |
| 1034 | |
| 1035 try: | |
| 1036 delta = mdiff.patchtext(self.manifest.delta(n)) | |
| 1037 except KeyboardInterrupt: | |
| 1038 print "aborted" | |
| 1039 sys.exit(0) | |
| 1040 except Exception, inst: | |
| 1041 self.ui.warn("unpacking manifest %s: %s\n" | |
| 1042 % (short(n), inst)) | |
| 1043 errors += 1 | |
| 1044 | |
| 1045 ff = [ l.split('\0') for l in delta.splitlines() ] | |
| 1046 for f, fn in ff: | |
| 1047 filenodes.setdefault(f, {})[bin(fn)] = 1 | |
| 1048 | |
| 1049 self.ui.status("crosschecking files in changesets and manifests\n") | |
| 1050 for f in filenodes: | |
| 1051 if f not in filelinkrevs: | |
| 1052 self.ui.warn("file %s in manifest but not in changesets\n" % f) | |
| 1053 errors += 1 | |
| 1054 | |
| 1055 for f in filelinkrevs: | |
| 1056 if f not in filenodes: | |
| 1057 self.ui.warn("file %s in changeset but not in manifest\n" % f) | |
| 1058 errors += 1 | |
| 1059 | |
| 1060 self.ui.status("checking files\n") | |
| 1061 ff = filenodes.keys() | |
| 1062 ff.sort() | |
| 1063 for f in ff: | |
| 1064 if f == "/dev/null": continue | |
| 1065 files += 1 | |
| 1066 fl = self.file(f) | |
| 1067 nodes = { nullid: 1 } | |
| 1068 for i in range(fl.count()): | |
| 1069 revisions += 1 | |
| 1070 n = fl.node(i) | |
| 1071 | |
| 1072 if n not in filenodes[f]: | |
| 1073 self.ui.warn("%s: %d:%s not in manifests\n" | |
| 1074 % (f, i, short(n))) | |
| 1075 print len(filenodes[f].keys()), fl.count(), f | |
| 1076 errors += 1 | |
| 1077 else: | |
| 1078 del filenodes[f][n] | |
| 1079 | |
| 1080 flr = fl.linkrev(n) | |
| 1081 if flr not in filelinkrevs[f]: | |
| 1082 self.ui.warn("%s:%s points to unexpected changeset %d\n" | |
| 1083 % (f, short(n), fl.linkrev(n))) | |
| 1084 errors += 1 | |
| 1085 else: | |
| 1086 filelinkrevs[f].remove(flr) | |
| 1087 | |
| 1088 # verify contents | |
| 1089 try: | |
| 1090 t = fl.read(n) | |
| 1091 except Exception, inst: | |
| 1092 self.ui.warn("unpacking file %s %s: %s\n" | |
| 1093 % (f, short(n), inst)) | |
| 1094 errors += 1 | |
| 1095 | |
| 1096 # verify parents | |
| 1097 (p1, p2) = fl.parents(n) | |
| 1098 if p1 not in nodes: | |
| 1099 self.ui.warn("file %s:%s unknown parent 1 %s" % | |
| 1100 (f, short(n), short(p1))) | |
| 1101 errors += 1 | |
| 1102 if p2 not in nodes: | |
| 1103 self.ui.warn("file %s:%s unknown parent 2 %s" % | |
| 1104 (f, short(n), short(p1))) | |
| 1105 errors += 1 | |
| 1106 nodes[n] = 1 | |
| 1107 | |
| 1108 # cross-check | |
| 1109 for node in filenodes[f]: | |
| 1110 self.ui.warn("node %s in manifests not in %s\n" | |
| 1111 % (hex(n), f)) | |
| 1112 errors += 1 | |
| 1113 | |
| 1114 self.ui.status("%d files, %d changesets, %d total revisions\n" % | |
| 1115 (files, changesets, revisions)) | |
| 1116 | |
| 1117 if errors: | |
| 1118 self.ui.warn("%d integrity errors encountered!\n" % errors) | |
| 1119 return 1 | |
| 1120 | |
| 60 | 1121 class remoterepository: |
| 1122 def __init__(self, ui, path): | |
|
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1123 self.url = path |
| 60 | 1124 self.ui = ui |
| 1125 | |
| 1126 def do_cmd(self, cmd, **args): | |
| 83 | 1127 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 1128 q = {"cmd": cmd} |
| 1129 q.update(args) | |
| 1130 qs = urllib.urlencode(q) | |
| 1131 cu = "%s?%s" % (self.url, qs) | |
|
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|
1132 return urllib.urlopen(cu) |
| 60 | 1133 |
| 222 | 1134 def heads(self): |
| 1135 d = self.do_cmd("heads").read() | |
| 1136 try: | |
| 1137 return map(bin, d[:-1].split(" ")) | |
| 1138 except: | |
| 1139 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1140 raise | |
| 1141 | |
| 60 | 1142 def branches(self, nodes): |
| 1143 n = " ".join(map(hex, nodes)) | |
|
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|
1144 d = self.do_cmd("branches", nodes=n).read() |
| 217 | 1145 try: |
| 1146 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
| 1147 return br | |
| 1148 except: | |
| 1149 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1150 raise | |
| 60 | 1151 |
| 1152 def between(self, pairs): | |
| 1153 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
|
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changeset
|
1154 d = self.do_cmd("between", pairs=n).read() |
| 217 | 1155 try: |
| 1156 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
| 1157 return p | |
| 1158 except: | |
| 1159 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1160 raise | |
| 60 | 1161 |
| 1162 def changegroup(self, nodes): | |
| 1163 n = " ".join(map(hex, nodes)) | |
|
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|
1164 zd = zlib.decompressobj() |
|
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1165 f = self.do_cmd("changegroup", roots=n) |
| 192 | 1166 bytes = 0 |
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1167 while 1: |
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1168 d = f.read(4096) |
| 192 | 1169 bytes += len(d) |
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1170 if not d: |
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1171 yield zd.flush() |
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1172 break |
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1173 yield zd.decompress(d) |
| 192 | 1174 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 1175 |
| 1176 def repository(ui, path=None, create=0): | |
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1177 if path and path[:7] == "http://": |
| 249 | 1178 import urllib, urllib2 |
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1179 return remoterepository(ui, path) |
| 60 | 1180 if path and path[:5] == "hg://": |
| 249 | 1181 import urllib, urllib2 |
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1182 return remoterepository(ui, path.replace("hg://", "http://")) |
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1183 if path and path[:11] == "old-http://": |
| 249 | 1184 import urllib, urllib2 |
| 1185 from mercurial import byterange | |
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1186 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 1187 else: |
| 1188 return localrepository(ui, path, create) | |
| 1189 | |
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1190 class httprangereader: |
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1191 def __init__(self, url): |
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1192 self.url = url |
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1193 self.pos = 0 |
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1194 def seek(self, pos): |
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1195 self.pos = pos |
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1196 def read(self, bytes=None): |
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1197 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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1198 urllib2.install_opener(opener) |
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1199 req = urllib2.Request(self.url) |
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1200 end = '' |
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1201 if bytes: end = self.pos + bytes |
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1202 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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1203 f = urllib2.urlopen(req) |
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1204 return f.read() |