Mercurial > public > mercurial-scm > hg-stable
annotate mercurial/hg.py @ 223:1aaa49039a6b
add back tempfile import
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add back tempfile import
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| author | mpm@selenic.com |
|---|---|
| date | Fri, 03 Jun 2005 12:40:32 -0800 |
| parents | 87484f627422 |
| children | ccbcc4d76f81 |
| 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 |
| 223 | 8 import sys, struct, sha, socket, os, time, re, urllib2, tempfile |
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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 | |
| 200 | 44 # find all ancestors |
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45 needed = {node:1} |
| 199 | 46 visit = [node] |
| 47 while visit: | |
| 48 n = visit.pop(0) | |
| 49 for p in self.parents(n): | |
| 50 if p not in needed: | |
| 51 needed[p] = 1 | |
| 52 visit.append(p) | |
| 200 | 53 else: |
| 54 # count how many times we'll use this | |
| 55 needed[p] += 1 | |
| 199 | 56 |
| 200 | 57 # sort by revision which is a topological order |
| 199 | 58 visit = needed.keys() |
| 59 visit = [ (self.rev(n), n) for n in visit ] | |
| 60 visit.sort() | |
| 61 visit = [ p[1] for p in visit ] | |
| 62 hist = {} | |
| 63 | |
| 64 for n in visit: | |
| 65 curr = decorate(self.read(n), self.linkrev(n)) | |
| 66 for p in self.parents(n): | |
| 67 if p != nullid: | |
| 68 curr = pair(hist[p], curr) | |
| 200 | 69 # trim the history of unneeded revs |
| 70 needed[p] -= 1 | |
| 71 if not needed[p]: | |
| 72 del hist[p] | |
| 199 | 73 hist[n] = curr |
| 74 | |
| 75 return hist[n] | |
| 79 | 76 |
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77 class manifest(revlog): |
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78 def __init__(self, opener): |
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79 self.mapcache = None |
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80 self.listcache = None |
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81 self.addlist = None |
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82 revlog.__init__(self, opener, "00manifest.i", "00manifest.d") |
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83 |
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84 def read(self, node): |
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85 if self.mapcache and self.mapcache[0] == node: |
| 90 | 86 return self.mapcache[1].copy() |
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87 text = self.revision(node) |
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88 map = {} |
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89 self.listcache = (text, text.splitlines(1)) |
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90 for l in self.listcache[1]: |
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91 (f, n) = l.split('\0') |
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92 map[f] = bin(n[:40]) |
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93 self.mapcache = (node, map) |
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94 return map |
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95 |
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96 def diff(self, a, b): |
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97 # this is sneaky, as we're not actually using a and b |
| 140 | 98 if self.listcache and self.addlist and self.listcache[0] == a: |
| 98 | 99 d = mdiff.diff(self.listcache[1], self.addlist, 1) |
| 100 if mdiff.patch(a, d) != b: | |
| 101 sys.stderr.write("*** sortdiff failed, falling back ***\n") | |
| 102 return mdiff.textdiff(a, b) | |
| 103 return d | |
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104 else: |
| 44 | 105 return mdiff.textdiff(a, b) |
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106 |
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107 def add(self, map, transaction, link, p1=None, p2=None): |
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108 files = map.keys() |
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109 files.sort() |
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110 |
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111 self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files] |
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112 text = "".join(self.addlist) |
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113 |
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114 n = self.addrevision(text, transaction, link, p1, p2) |
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115 self.mapcache = (n, map) |
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116 self.listcache = (text, self.addlist) |
| 140 | 117 self.addlist = None |
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118 |
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119 return n |
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120 |
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121 class changelog(revlog): |
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122 def __init__(self, opener): |
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123 revlog.__init__(self, opener, "00changelog.i", "00changelog.d") |
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124 |
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125 def extract(self, text): |
| 37 | 126 if not text: |
| 40 | 127 return (nullid, "", "0", [], "") |
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128 last = text.index("\n\n") |
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129 desc = text[last + 2:] |
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130 l = text[:last].splitlines() |
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131 manifest = bin(l[0]) |
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132 user = l[1] |
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133 date = l[2] |
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134 files = l[3:] |
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135 return (manifest, user, date, files, desc) |
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136 |
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137 def read(self, node): |
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138 return self.extract(self.revision(node)) |
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139 |
| 203 | 140 def add(self, manifest, list, desc, transaction, p1=None, p2=None, |
| 141 user=None, date=None): | |
| 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: |
| 20 | 153 def __init__(self, opener, ui): |
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154 self.opener = opener |
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155 self.dirty = 0 |
| 20 | 156 self.ui = ui |
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157 self.map = None |
| 220 | 158 |
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159 def __del__(self): |
| 220 | 160 if self.dirty: |
| 161 self.write() | |
| 162 | |
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163 def __getitem__(self, key): |
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164 try: |
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165 return self.map[key] |
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166 except TypeError: |
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167 self.read() |
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168 return self[key] |
| 220 | 169 |
| 170 def __contains__(self, key): | |
| 171 if not self.map: self.read() | |
| 172 return key in self.map | |
| 173 | |
| 174 def state(self, key): | |
| 175 try: | |
| 176 return self[key][0] | |
| 177 except KeyError: | |
| 178 return "?" | |
| 179 | |
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180 def read(self): |
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181 if self.map is not None: return self.map |
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182 |
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183 self.map = {} |
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184 try: |
| 220 | 185 st = self.opener("dirstate").read() |
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186 except: return |
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187 |
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188 pos = 0 |
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189 while pos < len(st): |
| 220 | 190 e = struct.unpack(">cllll", st[pos:pos+17]) |
| 191 l = e[4] | |
| 192 pos += 17 | |
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193 f = st[pos:pos + l] |
| 220 | 194 self.map[f] = e[:4] |
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195 pos += l |
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196 |
| 220 | 197 def update(self, files, state): |
| 198 ''' current states: | |
| 199 n normal | |
| 200 i invalid | |
| 201 r marked for removal | |
| 202 a marked for addition''' | |
| 203 | |
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204 if not files: return |
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205 self.read() |
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206 self.dirty = 1 |
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207 for f in files: |
| 220 | 208 if state == "r": |
| 209 self.map[f] = ('r', 0, 0, 0) | |
| 210 else: | |
| 211 try: | |
| 212 s = os.stat(f) | |
| 213 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime) | |
| 214 except OSError: | |
| 215 if state != "i": raise | |
| 216 self.map[f] = ('r', 0, 0, 0) | |
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217 |
| 220 | 218 def forget(self, files): |
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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: |
| 20 | 223 try: |
| 224 del self.map[f] | |
| 225 except KeyError: | |
| 220 | 226 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 227 pass |
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228 |
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229 def clear(self): |
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230 self.map = {} |
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231 self.dirty = 1 |
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232 |
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233 def write(self): |
| 220 | 234 st = self.opener("dirstate", "w") |
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235 for f, e in self.map.items(): |
| 220 | 236 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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237 st.write(e + f) |
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238 self.dirty = 0 |
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239 |
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240 def copy(self): |
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241 self.read() |
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242 return self.map.copy() |
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243 |
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244 # used to avoid circular references so destructors work |
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245 def opener(base): |
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246 p = base |
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247 def o(path, mode="r"): |
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248 if p[:7] == "http://": |
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249 f = os.path.join(p, urllib.quote(path)) |
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250 return httprangereader(f) |
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251 |
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252 f = os.path.join(p, path) |
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253 |
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254 if mode != "r": |
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255 try: |
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256 s = os.stat(f) |
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257 except OSError: |
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258 d = os.path.dirname(f) |
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259 if not os.path.isdir(d): |
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260 os.makedirs(d) |
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261 else: |
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262 if s.st_nlink > 1: |
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263 file(f + ".tmp", "w").write(file(f).read()) |
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264 os.rename(f+".tmp", f) |
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265 |
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266 return file(f, mode) |
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267 |
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268 return o |
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269 |
| 60 | 270 class localrepository: |
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271 def __init__(self, ui, path=None, create=0): |
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272 self.remote = 0 |
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273 if path and path[:7] == "http://": |
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274 self.remote = 1 |
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275 self.path = path |
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276 else: |
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277 if not path: |
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278 p = os.getcwd() |
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279 while not os.path.isdir(os.path.join(p, ".hg")): |
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280 p = os.path.dirname(p) |
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281 if p == "/": raise "No repo found" |
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282 path = p |
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283 self.path = os.path.join(path, ".hg") |
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284 |
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285 self.root = path |
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286 self.ui = ui |
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287 |
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288 if create: |
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289 os.mkdir(self.path) |
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290 os.mkdir(self.join("data")) |
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291 |
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292 self.opener = opener(self.path) |
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293 self.manifest = manifest(self.opener) |
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294 self.changelog = changelog(self.opener) |
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295 self.ignorelist = None |
| 67 | 296 self.tags = None |
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297 |
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298 if not self.remote: |
| 220 | 299 self.dirstate = dirstate(self.opener, ui) |
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300 try: |
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301 self.current = bin(self.opener("current").read()) |
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302 except IOError: |
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303 self.current = None |
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304 |
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305 def setcurrent(self, node): |
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306 self.current = node |
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307 self.opener("current", "w").write(hex(node)) |
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308 |
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309 def ignore(self, f): |
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310 if self.ignorelist is None: |
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311 self.ignorelist = [] |
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312 try: |
| 67 | 313 l = open(os.path.join(self.root, ".hgignore")) |
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314 for pat in l: |
| 9 | 315 if pat != "\n": |
| 316 self.ignorelist.append(re.compile(pat[:-1])) | |
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317 except IOError: pass |
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318 for pat in self.ignorelist: |
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319 if pat.search(f): return True |
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320 return False |
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321 |
| 67 | 322 def lookup(self, key): |
| 323 if self.tags is None: | |
| 324 self.tags = {} | |
| 325 try: | |
| 326 fl = self.file(".hgtags") | |
| 327 for l in fl.revision(fl.tip()).splitlines(): | |
| 328 if l: | |
| 329 n, k = l.split(" ") | |
| 330 self.tags[k] = bin(n) | |
| 331 except KeyError: pass | |
| 332 try: | |
| 333 return self.tags[key] | |
| 334 except KeyError: | |
| 335 return self.changelog.lookup(key) | |
| 336 | |
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337 def join(self, f): |
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338 return os.path.join(self.path, f) |
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339 |
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340 def file(self, f): |
| 192 | 341 if f[0] == '/': f = f[1:] |
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342 return filelog(self.opener, f) |
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343 |
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344 def transaction(self): |
| 95 | 345 return transaction(self.opener, self.join("journal"), |
| 346 self.join("undo")) | |
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347 |
| 210 | 348 def recover(self): |
| 349 self.lock() | |
| 350 if os.path.exists(self.join("recover")): | |
| 351 self.ui.status("attempting to rollback interrupted transaction\n") | |
| 352 return rollback(self.opener, self.join("recover")) | |
| 353 else: | |
| 354 self.ui.warn("no interrupted transaction available\n") | |
| 355 | |
| 356 def undo(self): | |
| 162 | 357 self.lock() |
| 210 | 358 if os.path.exists(self.join("undo")): |
| 220 | 359 f = self.changelog.read(self.changelog.tip())[3] |
| 210 | 360 self.ui.status("attempting to rollback last transaction\n") |
| 361 rollback(self.opener, self.join("undo")) | |
| 362 self.manifest = manifest(self.opener) | |
| 363 self.changelog = changelog(self.opener) | |
| 364 | |
| 220 | 365 self.ui.status("discarding dirstate\n") |
| 210 | 366 node = self.changelog.tip() |
| 367 f.sort() | |
| 368 | |
| 369 self.setcurrent(node) | |
| 220 | 370 self.dirstate.update(f, 'i') |
| 210 | 371 |
| 163 | 372 else: |
| 210 | 373 self.ui.warn("no undo information available\n") |
| 162 | 374 |
| 161 | 375 def lock(self, wait = 1): |
| 376 try: | |
| 377 return lock.lock(self.join("lock"), 0) | |
| 378 except lock.LockHeld, inst: | |
| 379 if wait: | |
| 380 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 381 return lock.lock(self.join("lock"), wait) | |
| 382 raise inst | |
| 383 | |
| 203 | 384 def rawcommit(self, files, text, user, date, p1=None, p2=None): |
| 385 p1 = p1 or self.current or nullid | |
| 386 pchange = self.changelog.read(p1) | |
| 387 pmmap = self.manifest.read(pchange[0]) | |
| 388 tr = self.transaction() | |
| 389 mmap = {} | |
| 390 linkrev = self.changelog.count() | |
| 391 for f in files: | |
| 392 try: | |
| 393 t = file(f).read() | |
| 394 except IOError: | |
| 395 self.ui.warn("Read file %s error, skipped\n" % f) | |
| 396 continue | |
| 397 r = self.file(f) | |
| 398 prev = pmmap.get(f, nullid) | |
| 399 mmap[f] = r.add(t, tr, linkrev, prev) | |
| 400 | |
| 401 mnode = self.manifest.add(mmap, tr, linkrev, pchange[0]) | |
| 402 n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, ) | |
| 403 tr.close() | |
| 404 self.setcurrent(n) | |
| 220 | 405 self.dirstate.clear() |
| 406 self.dirstate.update(mmap.keys(), "n") | |
| 203 | 407 |
| 220 | 408 def commit(self, parent, files = None, text = ""): |
| 161 | 409 self.lock() |
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410 |
| 220 | 411 commit = [] |
| 412 remove = [] | |
| 413 if files: | |
| 414 for f in files: | |
| 415 s = self.dirstate.state(f) | |
| 416 if s in 'cai': | |
| 417 commit.append(f) | |
| 418 elif s == 'r': | |
| 419 remove.append(f) | |
| 420 else: | |
| 421 self.warn("%s not tracked!\n") | |
| 422 else: | |
| 423 (c, a, d, u) = self.diffdir(self.root, parent) | |
| 424 commit = c + a | |
| 425 remove = d | |
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426 |
| 220 | 427 if not commit and not remove: |
| 151 | 428 self.ui.status("nothing changed\n") |
| 429 return | |
| 430 | |
| 431 tr = self.transaction() | |
| 432 | |
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433 # check in files |
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434 new = {} |
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435 linkrev = self.changelog.count() |
| 220 | 436 commit.sort() |
| 437 for f in commit: | |
| 83 | 438 self.ui.note(f + "\n") |
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439 try: |
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440 t = file(f).read() |
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441 except IOError: |
| 220 | 442 self.warn("trouble committing %s!\n" % f) |
| 443 raise | |
| 444 | |
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445 r = self.file(f) |
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446 new[f] = r.add(t, tr, linkrev) |
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447 |
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448 # update manifest |
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449 mmap = self.manifest.read(self.manifest.tip()) |
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450 mmap.update(new) |
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451 for f in remove: |
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452 del mmap[f] |
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453 mnode = self.manifest.add(mmap, tr, linkrev) |
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454 |
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455 # add changeset |
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456 new = new.keys() |
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457 new.sort() |
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458 |
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459 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mnode) |
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460 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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461 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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462 edittext = self.ui.edit(edittext) |
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463 |
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464 n = self.changelog.add(mnode, new, edittext, tr) |
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465 tr.close() |
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466 |
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467 self.setcurrent(n) |
| 220 | 468 self.dirstate.update(new, "n") |
| 469 self.dirstate.forget(remove) | |
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470 |
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471 def checkout(self, node): |
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472 # checkout is really dumb at the moment |
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473 # it ought to basically merge |
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474 change = self.changelog.read(node) |
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475 l = self.manifest.read(change[0]).items() |
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476 l.sort() |
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477 |
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478 for f,n in l: |
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479 if f[0] == "/": continue |
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480 self.ui.note(f, "\n") |
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481 t = self.file(f).revision(n) |
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482 try: |
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483 file(f, "w").write(t) |
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484 except IOError: |
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485 os.makedirs(os.path.dirname(f)) |
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486 file(f, "w").write(t) |
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487 |
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488 self.setcurrent(node) |
| 220 | 489 self.dirstate.clear() |
| 490 self.dirstate.update([f for f,n in l], "n") | |
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491 |
| 29 | 492 def diffdir(self, path, changeset): |
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493 changed = [] |
| 220 | 494 added = [] |
| 495 unknown = [] | |
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496 mf = {} |
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497 |
| 29 | 498 if changeset: |
| 499 change = self.changelog.read(changeset) | |
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500 mf = self.manifest.read(change[0]) |
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501 |
| 29 | 502 if changeset == self.current: |
| 220 | 503 dc = self.dirstate.copy() |
| 29 | 504 else: |
| 505 dc = dict.fromkeys(mf) | |
| 506 | |
| 507 def fcmp(fn): | |
| 64 | 508 t1 = file(os.path.join(self.root, fn)).read() |
| 29 | 509 t2 = self.file(fn).revision(mf[fn]) |
| 510 return cmp(t1, t2) | |
| 511 | |
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512 for dir, subdirs, files in os.walk(self.root): |
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513 d = dir[len(self.root)+1:] |
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514 if ".hg" in subdirs: subdirs.remove(".hg") |
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515 |
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516 for f in files: |
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517 fn = os.path.join(d, f) |
| 64 | 518 try: s = os.stat(os.path.join(self.root, fn)) |
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519 except: continue |
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520 if fn in dc: |
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521 c = dc[fn] |
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522 del dc[fn] |
| 220 | 523 if not c: |
| 29 | 524 if fcmp(fn): |
| 525 changed.append(fn) | |
| 220 | 526 if c[0] == 'i': |
| 527 if fn not in mf: | |
| 528 added.append(fn) | |
| 529 elif fcmp(fn): | |
| 530 changed.append(fn) | |
| 531 elif c[0] == 'a': | |
| 532 added.append(fn) | |
| 533 elif c[0] == 'r': | |
| 534 unknown.append(fn) | |
| 535 elif c[2] != s.st_size: | |
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536 changed.append(fn) |
| 220 | 537 elif c[1] != s.st_mode or c[3] != s.st_mtime: |
| 29 | 538 if fcmp(fn): |
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539 changed.append(fn) |
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540 else: |
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541 if self.ignore(fn): continue |
| 220 | 542 unknown.append(fn) |
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543 |
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544 deleted = dc.keys() |
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545 deleted.sort() |
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546 |
| 220 | 547 return (changed, added, deleted, unknown) |
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548 |
| 32 | 549 def diffrevs(self, node1, node2): |
| 33 | 550 changed, added = [], [] |
| 32 | 551 |
| 552 change = self.changelog.read(node1) | |
| 553 mf1 = self.manifest.read(change[0]) | |
| 33 | 554 change = self.changelog.read(node2) |
| 32 | 555 mf2 = self.manifest.read(change[0]) |
| 556 | |
| 557 for fn in mf2: | |
| 558 if mf1.has_key(fn): | |
| 559 if mf1[fn] != mf2[fn]: | |
| 560 changed.append(fn) | |
| 561 del mf1[fn] | |
| 562 else: | |
| 563 added.append(fn) | |
| 564 | |
| 565 deleted = mf1.keys() | |
| 566 deleted.sort() | |
| 567 | |
| 568 return (changed, added, deleted) | |
| 569 | |
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570 def add(self, list): |
| 220 | 571 for f in list: |
| 572 p = os.path.join(self.root, f) | |
| 573 if not os.path.isfile(p): | |
| 574 self.ui.warn("%s does not exist!\n" % f) | |
| 575 elif self.dirstate.state(f) == 'n': | |
| 576 self.ui.warn("%s already tracked!\n" % f) | |
| 577 else: | |
| 578 self.dirstate.update([f], "a") | |
| 579 | |
| 580 def forget(self, list): | |
| 581 for f in list: | |
| 582 if self.dirstate.state(f) not in 'ai': | |
| 583 self.ui.warn("%s not added!\n" % f) | |
| 584 else: | |
| 585 self.dirstate.forget([f]) | |
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586 |
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587 def remove(self, list): |
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588 for f in list: |
| 220 | 589 p = os.path.join(self.root, f) |
| 590 if os.path.isfile(p): | |
| 591 self.ui.warn("%s still exists!\n" % f) | |
| 592 elif f not in self.dirstate: | |
| 593 self.ui.warn("%s not tracked!\n" % f) | |
| 594 else: | |
| 595 self.dirstate.update([f], "r") | |
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596 |
| 222 | 597 def heads(self): |
| 598 return self.changelog.heads() | |
| 599 | |
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600 def branches(self, nodes): |
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601 if not nodes: nodes = [self.changelog.tip()] |
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602 b = [] |
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603 for n in nodes: |
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604 t = n |
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605 while n: |
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606 p = self.changelog.parents(n) |
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607 if p[1] != nullid or p[0] == nullid: |
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608 b.append((t, n, p[0], p[1])) |
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609 break |
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610 n = p[0] |
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611 return b |
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612 |
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613 def between(self, pairs): |
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614 r = [] |
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615 |
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616 for top, bottom in pairs: |
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617 n, l, i = top, [], 0 |
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618 f = 1 |
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619 |
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620 while n != bottom: |
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621 p = self.changelog.parents(n)[0] |
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622 if i == f: |
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623 l.append(n) |
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624 f = f * 2 |
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625 n = p |
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626 i += 1 |
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627 |
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628 r.append(l) |
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629 |
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630 return r |
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631 |
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632 def newer(self, nodes): |
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633 m = {} |
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634 nl = [] |
| 94 | 635 pm = {} |
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636 cl = self.changelog |
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637 t = l = cl.count() |
| 94 | 638 |
| 639 # find the lowest numbered node | |
|
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640 for n in nodes: |
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641 l = min(l, cl.rev(n)) |
| 94 | 642 m[n] = 1 |
| 46 | 643 |
|
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644 for i in xrange(l, t): |
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645 n = cl.node(i) |
| 94 | 646 if n in m: # explicitly listed |
| 647 pm[n] = 1 | |
| 648 nl.append(n) | |
| 649 continue | |
|
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650 for p in cl.parents(n): |
| 94 | 651 if p in pm: # parent listed |
| 652 pm[n] = 1 | |
|
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653 nl.append(n) |
| 94 | 654 break |
|
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655 |
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656 return nl |
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657 |
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658 def getchangegroup(self, remote): |
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659 m = self.changelog.nodemap |
|
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660 search = [] |
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661 fetch = [] |
|
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662 seen = {} |
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663 seenbranch = {} |
| 192 | 664 |
|
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665 # if we have an empty repo, fetch everything |
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666 if self.changelog.tip() == nullid: |
| 222 | 667 self.ui.status("requesting all changes\n") |
|
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668 return remote.changegroup([nullid]) |
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669 |
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670 # otherwise, assume we're closer to the tip than the root |
| 222 | 671 self.ui.status("searching for changes\n") |
| 672 heads = remote.heads() | |
| 673 unknown = [] | |
| 674 for h in heads: | |
| 675 if h not in m: | |
| 676 unknown.append(h) | |
| 46 | 677 |
| 222 | 678 if not unknown: |
| 192 | 679 self.ui.status("nothing to do!\n") |
| 60 | 680 return None |
| 222 | 681 |
| 682 unknown = remote.branches(unknown) | |
|
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683 while unknown: |
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684 n = unknown.pop(0) |
|
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685 seen[n[0]] = 1 |
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686 |
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687 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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688 if n == nullid: break |
|
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689 if n in seenbranch: |
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690 self.ui.debug("branch already found\n") |
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691 continue |
|
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692 if n[1] and n[1] in m: # do we know the base? |
|
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693 self.ui.debug("found incomplete branch %s:%s\n" |
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694 % (short(n[0]), short(n[1]))) |
|
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695 search.append(n) # schedule branch range for scanning |
|
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696 seenbranch[n] = 1 |
|
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697 else: |
| 94 | 698 if n[2] in m and n[3] in m: |
| 699 if n[1] not in fetch: | |
| 700 self.ui.debug("found new changeset %s\n" % | |
| 701 short(n[1])) | |
| 702 fetch.append(n[1]) # earliest unknown | |
| 703 continue | |
|
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|
704 |
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705 r = [] |
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706 for a in n[2:4]: |
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707 if a not in seen: r.append(a) |
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708 |
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709 if r: |
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710 self.ui.debug("requesting %s\n" % |
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|
711 " ".join(map(short, r))) |
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712 for b in remote.branches(r): |
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713 self.ui.debug("received %s:%s\n" % |
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714 (short(b[0]), short(b[1]))) |
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715 if b[0] not in m and b[0] not in seen: |
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716 unknown.append(b) |
|
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|
717 |
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718 while search: |
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719 n = search.pop(0) |
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720 l = remote.between([(n[0], n[1])])[0] |
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|
721 p = n[0] |
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|
722 f = 1 |
|
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|
723 for i in l + [n[1]]: |
|
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724 if i in m: |
| 85 | 725 if f <= 2: |
| 83 | 726 self.ui.debug("found new branch changeset %s\n" % |
| 727 short(p)) | |
|
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|
728 fetch.append(p) |
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729 else: |
| 83 | 730 self.ui.debug("narrowed branch search to %s:%s\n" |
| 731 % (short(p), short(i))) | |
|
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|
732 search.append((p, i)) |
|
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|
733 break |
|
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|
734 p, f = i, f * 2 |
|
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|
735 |
|
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|
736 for f in fetch: |
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|
737 if f in m: |
| 83 | 738 raise "already have", short(f[:4]) |
| 739 | |
| 94 | 740 self.ui.note("adding new changesets starting at " + |
| 83 | 741 " ".join([short(f) for f in fetch]) + "\n") |
|
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|
742 |
|
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|
743 return remote.changegroup(fetch) |
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|
744 |
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|
745 def changegroup(self, basenodes): |
|
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746 nodes = self.newer(basenodes) |
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|
747 |
| 46 | 748 # construct the link map |
| 749 linkmap = {} | |
| 750 for n in nodes: | |
| 751 linkmap[self.changelog.rev(n)] = n | |
| 752 | |
| 753 # construct a list of all changed files | |
| 754 changed = {} | |
| 755 for n in nodes: | |
| 756 c = self.changelog.read(n) | |
| 757 for f in c[3]: | |
| 758 changed[f] = 1 | |
| 759 changed = changed.keys() | |
| 760 changed.sort() | |
| 761 | |
| 762 # the changegroup is changesets + manifests + all file revs | |
| 763 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 764 | |
| 192 | 765 for y in self.changelog.group(linkmap): yield y |
| 766 for y in self.manifest.group(linkmap): yield y | |
| 46 | 767 for f in changed: |
| 192 | 768 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 769 g = self.file(f).group(linkmap) |
| 192 | 770 for y in g: |
| 771 yield y | |
| 46 | 772 |
|
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|
773 def addchangegroup(self, generator): |
| 222 | 774 |
| 775 class genread: | |
| 776 def __init__(self, generator): | |
| 777 self.g = generator | |
| 778 self.buf = "" | |
| 779 def read(self, l): | |
| 780 while l > len(self.buf): | |
| 781 try: | |
| 782 self.buf += self.g.next() | |
| 783 except StopIteration: | |
| 784 break | |
| 785 d, self.buf = self.buf[:l], self.buf[l:] | |
| 786 return d | |
| 787 | |
| 788 def getchunk(): | |
| 789 d = source.read(4) | |
| 790 if not d: return "" | |
| 791 l = struct.unpack(">l", d)[0] | |
| 792 if l <= 4: return "" | |
| 793 return source.read(l - 4) | |
| 794 | |
| 795 def getgroup(): | |
| 796 while 1: | |
| 797 c = getchunk() | |
| 798 if not c: break | |
| 799 yield c | |
| 800 | |
| 801 def csmap(x): | |
| 802 self.ui.debug("add changeset %s\n" % short(x)) | |
| 803 return self.changelog.count() | |
| 804 | |
| 805 def revmap(x): | |
| 806 return self.changelog.rev(x) | |
| 807 | |
| 808 if not generator: return | |
| 809 changesets = files = revisions = 0 | |
| 810 self.lock() | |
| 811 source = genread(generator) | |
| 812 tr = self.transaction() | |
| 813 | |
| 814 # pull off the changeset group | |
| 815 self.ui.status("adding changesets\n") | |
| 816 co = self.changelog.tip() | |
| 817 cn = self.changelog.addgroup(getgroup(), csmap, tr) | |
| 818 changesets = self.changelog.rev(cn) - self.changelog.rev(co) | |
| 819 | |
| 820 # pull off the manifest group | |
| 821 self.ui.status("adding manifests\n") | |
| 822 mm = self.manifest.tip() | |
| 823 mo = self.manifest.addgroup(getgroup(), revmap, tr) | |
| 824 | |
| 825 # process the files | |
| 826 self.ui.status("adding file revisions\n") | |
| 827 while 1: | |
| 828 f = getchunk() | |
| 829 if not f: break | |
| 830 self.ui.debug("adding %s revisions\n" % f) | |
| 831 fl = self.file(f) | |
| 832 o = fl.tip() | |
| 833 n = fl.addgroup(getgroup(), revmap, tr) | |
| 834 revisions += fl.rev(n) - fl.rev(o) | |
| 835 files += 1 | |
| 836 | |
| 837 self.ui.status(("modified %d files, added %d changesets" + | |
| 838 " and %d new revisions\n") | |
| 839 % (files, changesets, revisions)) | |
| 840 | |
| 841 tr.close() | |
| 842 return | |
| 843 | |
| 844 def merge(self, generator): | |
|
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845 changesets = files = revisions = 0 |
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846 |
| 161 | 847 self.lock() |
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848 class genread: |
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849 def __init__(self, generator): |
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850 self.g = generator |
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851 self.buf = "" |
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852 def read(self, l): |
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853 while l > len(self.buf): |
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854 try: |
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855 self.buf += self.g.next() |
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856 except StopIteration: |
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857 break |
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858 d, self.buf = self.buf[:l], self.buf[l:] |
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859 return d |
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860 |
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861 if not generator: return |
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862 source = genread(generator) |
| 60 | 863 |
| 192 | 864 def getchunk(): |
|
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865 d = source.read(4) |
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866 if not d: return "" |
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867 l = struct.unpack(">l", d)[0] |
| 192 | 868 if l <= 4: return "" |
| 869 return source.read(l - 4) | |
| 870 | |
| 871 def getgroup(): | |
| 872 while 1: | |
| 873 c = getchunk() | |
| 874 if not c: break | |
| 875 yield c | |
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|
876 |
| 46 | 877 tr = self.transaction() |
| 878 simple = True | |
| 146 | 879 need = {} |
| 46 | 880 |
| 94 | 881 self.ui.status("adding changesets\n") |
| 46 | 882 # pull off the changeset group |
| 94 | 883 def report(x): |
| 884 self.ui.debug("add changeset %s\n" % short(x)) | |
| 885 return self.changelog.count() | |
| 192 | 886 |
| 46 | 887 co = self.changelog.tip() |
| 192 | 888 cn = self.changelog.addgroup(getgroup(), report, tr) |
| 46 | 889 |
| 192 | 890 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
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891 |
| 94 | 892 self.ui.status("adding manifests\n") |
| 46 | 893 # pull off the manifest group |
| 90 | 894 mm = self.manifest.tip() |
| 192 | 895 mo = self.manifest.addgroup(getgroup(), |
| 896 lambda x: self.changelog.rev(x), tr) | |
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897 |
| 46 | 898 # do we need a resolve? |
| 899 if self.changelog.ancestor(co, cn) != co: | |
| 900 simple = False | |
| 901 resolverev = self.changelog.count() | |
| 902 | |
| 146 | 903 # resolve the manifest to determine which files |
| 904 # we care about merging | |
| 905 self.ui.status("resolving manifests\n") | |
| 906 ma = self.manifest.ancestor(mm, mo) | |
| 907 omap = self.manifest.read(mo) # other | |
| 908 amap = self.manifest.read(ma) # ancestor | |
| 909 mmap = self.manifest.read(mm) # mine | |
| 910 nmap = {} | |
| 911 | |
| 912 self.ui.debug(" ancestor %s local %s remote %s\n" % | |
| 913 (short(ma), short(mm), short(mo))) | |
| 914 | |
| 915 for f, mid in mmap.iteritems(): | |
| 916 if f in omap: | |
| 917 if mid != omap[f]: | |
| 918 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 919 need[f] = mid # use merged version or local version | |
| 920 else: | |
| 921 nmap[f] = mid # keep ours | |
| 922 del omap[f] | |
| 923 elif f in amap: | |
| 924 if mid != amap[f]: | |
| 925 r = self.ui.prompt( | |
| 926 (" local changed %s which remote deleted\n" % f) + | |
| 927 "(k)eep or (d)elete?", "[kd]", "k") | |
| 928 if r == "k": nmap[f] = mid | |
| 929 else: | |
| 930 self.ui.debug("other deleted %s\n" % f) | |
| 931 pass # other deleted it | |
| 932 else: | |
| 933 self.ui.debug("local created %s\n" %f) | |
| 934 nmap[f] = mid # we created it | |
| 935 | |
| 936 del mmap | |
| 937 | |
| 938 for f, oid in omap.iteritems(): | |
| 939 if f in amap: | |
| 940 if oid != amap[f]: | |
| 941 r = self.ui.prompt( | |
| 942 ("remote changed %s which local deleted\n" % f) + | |
| 943 "(k)eep or (d)elete?", "[kd]", "k") | |
| 944 if r == "k": nmap[f] = oid | |
| 945 else: | |
| 946 pass # probably safe | |
| 947 else: | |
| 948 self.ui.debug("remote created %s, do resolve\n" % f) | |
| 949 need[f] = oid | |
| 950 | |
| 951 del omap | |
| 952 del amap | |
| 953 | |
| 954 new = need.keys() | |
| 955 new.sort() | |
| 956 | |
| 46 | 957 # process the files |
| 94 | 958 self.ui.status("adding files\n") |
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959 while 1: |
| 192 | 960 f = getchunk() |
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961 if not f: break |
| 94 | 962 self.ui.debug("adding %s revisions\n" % f) |
| 46 | 963 fl = self.file(f) |
| 964 o = fl.tip() | |
| 192 | 965 n = fl.addgroup(getgroup(), lambda x: self.changelog.rev(x), tr) |
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966 revisions += fl.rev(n) - fl.rev(o) |
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967 files += 1 |
| 146 | 968 if f in need: |
| 969 del need[f] | |
| 970 # manifest resolve determined we need to merge the tips | |
| 971 nmap[f] = self.merge3(fl, f, o, n, tr, resolverev) | |
| 972 | |
| 973 if need: | |
| 974 # we need to do trivial merges on local files | |
| 975 for f in new: | |
| 976 if f not in need: continue | |
| 977 fl = self.file(f) | |
| 978 nmap[f] = self.merge3(fl, f, need[f], fl.tip(), tr, resolverev) | |
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979 revisions += 1 |
| 46 | 980 |
| 981 # For simple merges, we don't need to resolve manifests or changesets | |
| 982 if simple: | |
| 90 | 983 self.ui.debug("simple merge, skipping resolve\n") |
| 192 | 984 self.ui.status(("modified %d files, added %d changesets" + |
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985 " and %d new revisions\n") |
| 192 | 986 % (files, changesets, revisions)) |
| 46 | 987 tr.close() |
| 988 return | |
| 989 | |
| 990 node = self.manifest.add(nmap, tr, resolverev, mm, mo) | |
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991 revisions += 1 |
| 46 | 992 |
| 993 # Now all files and manifests are merged, we add the changed files | |
| 994 # and manifest id to the changelog | |
| 995 self.ui.status("committing merge changeset\n") | |
| 996 if co == cn: cn = -1 | |
| 997 | |
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998 edittext = "\nHG: merge resolve\n" + \ |
| 187 | 999 "HG: manifest hash %s\n" % hex(node) + \ |
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1000 "".join(["HG: changed %s\n" % f for f in new]) |
| 46 | 1001 edittext = self.ui.edit(edittext) |
| 1002 n = self.changelog.add(node, new, edittext, tr, co, cn) | |
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1003 revisions += 1 |
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1004 |
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1005 self.ui.status("added %d changesets, %d files, and %d new revisions\n" |
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1006 % (changesets, files, revisions)) |
| 46 | 1007 |
| 1008 tr.close() | |
| 1009 | |
| 96 | 1010 def merge3(self, fl, fn, my, other, transaction, link): |
| 1011 """perform a 3-way merge and append the result""" | |
| 1012 | |
| 1013 def temp(prefix, node): | |
| 1014 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 1015 (fd, name) = tempfile.mkstemp("", pre) | |
| 1016 f = os.fdopen(fd, "w") | |
| 1017 f.write(fl.revision(node)) | |
| 1018 f.close() | |
| 1019 return name | |
| 1020 | |
| 1021 base = fl.ancestor(my, other) | |
| 1022 self.ui.note("resolving %s\n" % fn) | |
| 1023 self.ui.debug("local %s remote %s ancestor %s\n" % | |
| 1024 (short(my), short(other), short(base))) | |
| 1025 | |
| 1026 if my == base: | |
| 1027 text = fl.revision(other) | |
| 1028 else: | |
| 1029 a = temp("local", my) | |
| 1030 b = temp("remote", other) | |
| 1031 c = temp("parent", base) | |
| 1032 | |
| 1033 cmd = os.environ["HGMERGE"] | |
| 1034 self.ui.debug("invoking merge with %s\n" % cmd) | |
| 149 | 1035 r = os.system("%s %s %s %s %s" % (cmd, a, b, c, fn)) |
| 96 | 1036 if r: |
| 1037 raise "Merge failed!" | |
| 1038 | |
| 1039 text = open(a).read() | |
| 1040 os.unlink(a) | |
| 1041 os.unlink(b) | |
| 1042 os.unlink(c) | |
| 1043 | |
| 171 | 1044 return fl.add(text, transaction, link, my, other) |
| 96 | 1045 |
| 60 | 1046 class remoterepository: |
| 1047 def __init__(self, ui, path): | |
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1048 self.url = path |
| 60 | 1049 self.ui = ui |
| 1050 | |
| 1051 def do_cmd(self, cmd, **args): | |
| 83 | 1052 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 1053 q = {"cmd": cmd} |
| 1054 q.update(args) | |
| 1055 qs = urllib.urlencode(q) | |
| 1056 cu = "%s?%s" % (self.url, qs) | |
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1057 return urllib.urlopen(cu) |
| 60 | 1058 |
| 222 | 1059 def heads(self): |
| 1060 d = self.do_cmd("heads").read() | |
| 1061 try: | |
| 1062 return map(bin, d[:-1].split(" ")) | |
| 1063 except: | |
| 1064 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1065 raise | |
| 1066 | |
| 60 | 1067 def branches(self, nodes): |
| 1068 n = " ".join(map(hex, nodes)) | |
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1069 d = self.do_cmd("branches", nodes=n).read() |
| 217 | 1070 try: |
| 1071 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
| 1072 return br | |
| 1073 except: | |
| 1074 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1075 raise | |
| 60 | 1076 |
| 1077 def between(self, pairs): | |
| 1078 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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1079 d = self.do_cmd("between", pairs=n).read() |
| 217 | 1080 try: |
| 1081 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
| 1082 return p | |
| 1083 except: | |
| 1084 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1085 raise | |
| 60 | 1086 |
| 1087 def changegroup(self, nodes): | |
| 1088 n = " ".join(map(hex, nodes)) | |
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1089 zd = zlib.decompressobj() |
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1090 f = self.do_cmd("changegroup", roots=n) |
| 192 | 1091 bytes = 0 |
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1092 while 1: |
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1093 d = f.read(4096) |
| 192 | 1094 bytes += len(d) |
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1095 if not d: |
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1096 yield zd.flush() |
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1097 break |
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1098 yield zd.decompress(d) |
| 192 | 1099 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 1100 |
| 1101 def repository(ui, path=None, create=0): | |
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1102 if path and path[:7] == "http://": |
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1103 return remoterepository(ui, path) |
| 60 | 1104 if path and path[:5] == "hg://": |
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1105 return remoterepository(ui, path.replace("hg://", "http://")) |
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1106 if path and path[:11] == "old-http://": |
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1107 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 1108 else: |
| 1109 return localrepository(ui, path, create) | |
| 1110 | |
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1111 class httprangereader: |
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1112 def __init__(self, url): |
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1113 self.url = url |
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1114 self.pos = 0 |
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1115 def seek(self, pos): |
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1116 self.pos = pos |
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1117 def read(self, bytes=None): |
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1118 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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1119 urllib2.install_opener(opener) |
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1120 req = urllib2.Request(self.url) |
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1121 end = '' |
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1122 if bytes: end = self.pos + bytes |
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1123 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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1124 f = urllib2.urlopen(req) |
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1125 return f.read() |