Mercurial > public > mercurial-scm > hg
annotate mercurial/hg.py @ 256:649ed23e4661
minor fixes for update()
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minor fixes for update()
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| author | mpm@selenic.com |
|---|---|
| date | Sat, 04 Jun 2005 19:21:13 -0800 |
| parents | c03f58e5fd2d |
| children | 3db700146536 |
| 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 r marked for removal |
| 216 a marked for addition''' | |
| 217 | |
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218 if not files: return |
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219 self.read() |
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220 self.dirty = 1 |
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221 for f in files: |
| 220 | 222 if state == "r": |
| 223 self.map[f] = ('r', 0, 0, 0) | |
| 224 else: | |
| 253 | 225 s = os.stat(os.path.join(self.root, f)) |
| 226 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime) | |
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227 |
| 220 | 228 def forget(self, files): |
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229 if not files: return |
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230 self.read() |
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231 self.dirty = 1 |
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232 for f in files: |
| 20 | 233 try: |
| 234 del self.map[f] | |
| 235 except KeyError: | |
| 220 | 236 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 237 pass |
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238 |
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239 def clear(self): |
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240 self.map = {} |
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241 self.dirty = 1 |
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242 |
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243 def write(self): |
| 220 | 244 st = self.opener("dirstate", "w") |
| 227 | 245 st.write("".join(self.pl)) |
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246 for f, e in self.map.items(): |
| 220 | 247 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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248 st.write(e + f) |
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249 self.dirty = 0 |
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250 |
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251 def copy(self): |
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252 self.read() |
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253 return self.map.copy() |
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254 |
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255 # used to avoid circular references so destructors work |
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256 def opener(base): |
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257 p = base |
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258 def o(path, mode="r"): |
|
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259 if p[:7] == "http://": |
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260 f = os.path.join(p, urllib.quote(path)) |
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261 return httprangereader(f) |
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262 |
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263 f = os.path.join(p, path) |
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264 |
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265 if mode != "r": |
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266 try: |
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267 s = os.stat(f) |
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268 except OSError: |
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269 d = os.path.dirname(f) |
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270 if not os.path.isdir(d): |
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271 os.makedirs(d) |
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272 else: |
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273 if s.st_nlink > 1: |
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274 file(f + ".tmp", "w").write(file(f).read()) |
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275 os.rename(f+".tmp", f) |
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276 |
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277 return file(f, mode) |
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278 |
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279 return o |
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280 |
| 60 | 281 class localrepository: |
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282 def __init__(self, ui, path=None, create=0): |
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283 self.remote = 0 |
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284 if path and path[:7] == "http://": |
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285 self.remote = 1 |
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286 self.path = path |
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287 else: |
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288 if not path: |
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289 p = os.getcwd() |
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290 while not os.path.isdir(os.path.join(p, ".hg")): |
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291 p = os.path.dirname(p) |
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292 if p == "/": raise "No repo found" |
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293 path = p |
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294 self.path = os.path.join(path, ".hg") |
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295 |
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296 self.root = path |
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297 self.ui = ui |
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298 |
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299 if create: |
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300 os.mkdir(self.path) |
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301 os.mkdir(self.join("data")) |
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302 |
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303 self.opener = opener(self.path) |
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304 self.manifest = manifest(self.opener) |
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305 self.changelog = changelog(self.opener) |
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306 self.ignorelist = None |
| 67 | 307 self.tags = None |
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308 |
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309 if not self.remote: |
| 244 | 310 self.dirstate = dirstate(self.opener, ui, self.root) |
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311 |
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312 def ignore(self, f): |
| 249 | 313 import re |
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314 if self.ignorelist is None: |
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315 self.ignorelist = [] |
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316 try: |
| 67 | 317 l = open(os.path.join(self.root, ".hgignore")) |
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318 for pat in l: |
| 9 | 319 if pat != "\n": |
| 320 self.ignorelist.append(re.compile(pat[:-1])) | |
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321 except IOError: pass |
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322 for pat in self.ignorelist: |
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323 if pat.search(f): return True |
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324 return False |
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325 |
| 67 | 326 def lookup(self, key): |
| 327 if self.tags is None: | |
| 328 self.tags = {} | |
| 329 try: | |
| 254 | 330 # read each head of the tags file, ending with the tip |
| 331 # and add each tag found to the map, with "newer" ones | |
| 332 # taking precedence | |
| 67 | 333 fl = self.file(".hgtags") |
| 254 | 334 h = fl.heads() |
| 335 h.reverse() | |
| 336 for r in h: | |
| 337 for l in fl.revision(r).splitlines(): | |
| 338 if l: | |
| 339 n, k = l.split(" ") | |
| 340 self.tags[k] = bin(n) | |
| 67 | 341 except KeyError: pass |
| 342 try: | |
| 343 return self.tags[key] | |
| 344 except KeyError: | |
| 345 return self.changelog.lookup(key) | |
| 346 | |
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347 def join(self, f): |
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348 return os.path.join(self.path, f) |
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349 |
| 244 | 350 def wjoin(self, f): |
| 351 return os.path.join(self.root, f) | |
| 352 | |
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353 def file(self, f): |
| 192 | 354 if f[0] == '/': f = f[1:] |
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355 return filelog(self.opener, f) |
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356 |
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357 def transaction(self): |
| 251 | 358 # save dirstate for undo |
| 359 ds = self.opener("dirstate").read() | |
| 360 self.opener("undo.dirstate", "w").write(ds) | |
| 95 | 361 return transaction(self.opener, self.join("journal"), |
| 362 self.join("undo")) | |
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363 |
| 210 | 364 def recover(self): |
| 225 | 365 lock = self.lock() |
| 210 | 366 if os.path.exists(self.join("recover")): |
| 367 self.ui.status("attempting to rollback interrupted transaction\n") | |
| 368 return rollback(self.opener, self.join("recover")) | |
| 369 else: | |
| 370 self.ui.warn("no interrupted transaction available\n") | |
| 371 | |
| 372 def undo(self): | |
| 225 | 373 lock = self.lock() |
| 210 | 374 if os.path.exists(self.join("undo")): |
| 375 self.ui.status("attempting to rollback last transaction\n") | |
| 376 rollback(self.opener, self.join("undo")) | |
| 251 | 377 self.dirstate = None |
| 378 os.rename(self.join("undo.dirstate"), self.join("dirstate")) | |
| 379 self.dirstate = dirstate(self.opener, self.ui, self.root) | |
| 163 | 380 else: |
| 210 | 381 self.ui.warn("no undo information available\n") |
| 162 | 382 |
| 161 | 383 def lock(self, wait = 1): |
| 384 try: | |
| 385 return lock.lock(self.join("lock"), 0) | |
| 386 except lock.LockHeld, inst: | |
| 387 if wait: | |
| 388 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 389 return lock.lock(self.join("lock"), wait) | |
| 390 raise inst | |
| 391 | |
| 203 | 392 def rawcommit(self, files, text, user, date, p1=None, p2=None): |
| 228 | 393 p1 = p1 or self.dirstate.parents()[0] or nullid |
| 394 p2 = p2 or self.dirstate.parents()[1] or nullid | |
| 203 | 395 pchange = self.changelog.read(p1) |
| 396 pmmap = self.manifest.read(pchange[0]) | |
| 397 tr = self.transaction() | |
| 398 mmap = {} | |
| 399 linkrev = self.changelog.count() | |
| 400 for f in files: | |
| 401 try: | |
| 402 t = file(f).read() | |
| 403 except IOError: | |
| 404 self.ui.warn("Read file %s error, skipped\n" % f) | |
| 405 continue | |
| 406 r = self.file(f) | |
| 228 | 407 # FIXME - need to find both parents properly |
| 203 | 408 prev = pmmap.get(f, nullid) |
| 409 mmap[f] = r.add(t, tr, linkrev, prev) | |
| 410 | |
| 411 mnode = self.manifest.add(mmap, tr, linkrev, pchange[0]) | |
| 412 n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, ) | |
| 413 tr.close() | |
| 228 | 414 self.dirstate.setparents(p1, p2) |
| 220 | 415 self.dirstate.clear() |
| 416 self.dirstate.update(mmap.keys(), "n") | |
| 203 | 417 |
| 229 | 418 def commit(self, files = None, text = ""): |
| 220 | 419 commit = [] |
| 420 remove = [] | |
| 421 if files: | |
| 422 for f in files: | |
| 423 s = self.dirstate.state(f) | |
| 244 | 424 if s in 'nmai': |
| 220 | 425 commit.append(f) |
| 426 elif s == 'r': | |
| 427 remove.append(f) | |
| 428 else: | |
| 244 | 429 self.ui.warn("%s not tracked!\n" % f) |
| 220 | 430 else: |
| 230 | 431 (c, a, d, u) = self.diffdir(self.root) |
| 220 | 432 commit = c + a |
| 433 remove = d | |
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434 |
| 220 | 435 if not commit and not remove: |
| 151 | 436 self.ui.status("nothing changed\n") |
| 437 return | |
| 438 | |
| 229 | 439 p1, p2 = self.dirstate.parents() |
| 440 c1 = self.changelog.read(p1) | |
| 441 c2 = self.changelog.read(p2) | |
| 442 m1 = self.manifest.read(c1[0]) | |
| 443 m2 = self.manifest.read(c2[0]) | |
| 225 | 444 lock = self.lock() |
| 151 | 445 tr = self.transaction() |
| 446 | |
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447 # check in files |
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448 new = {} |
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449 linkrev = self.changelog.count() |
| 220 | 450 commit.sort() |
| 451 for f in commit: | |
| 83 | 452 self.ui.note(f + "\n") |
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453 try: |
| 244 | 454 t = file(self.wjoin(f)).read() |
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455 except IOError: |
| 220 | 456 self.warn("trouble committing %s!\n" % f) |
| 457 raise | |
| 458 | |
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459 r = self.file(f) |
| 229 | 460 fp1 = m1.get(f, nullid) |
| 461 fp2 = m2.get(f, nullid) | |
| 462 new[f] = r.add(t, tr, linkrev, fp1, fp2) | |
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463 |
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464 # update manifest |
| 229 | 465 m1.update(new) |
| 466 for f in remove: del m1[f] | |
| 467 mn = self.manifest.add(m1, tr, linkrev, c1[0], c2[0]) | |
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468 |
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469 # add changeset |
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470 new = new.keys() |
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471 new.sort() |
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472 |
| 229 | 473 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mn) |
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474 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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475 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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476 edittext = self.ui.edit(edittext) |
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477 |
| 229 | 478 n = self.changelog.add(mn, new, edittext, tr, p1, p2) |
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479 tr.close() |
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480 |
| 229 | 481 self.dirstate.setparents(n) |
| 220 | 482 self.dirstate.update(new, "n") |
| 483 self.dirstate.forget(remove) | |
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484 |
| 230 | 485 def diffdir(self, path, changeset = None): |
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486 changed = [] |
| 220 | 487 added = [] |
| 488 unknown = [] | |
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489 mf = {} |
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490 |
| 29 | 491 if changeset: |
| 492 change = self.changelog.read(changeset) | |
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493 mf = self.manifest.read(change[0]) |
| 230 | 494 dc = dict.fromkeys(mf) |
| 495 else: | |
| 496 changeset = self.dirstate.parents()[0] | |
| 497 change = self.changelog.read(changeset) | |
| 498 mf = self.manifest.read(change[0]) | |
| 220 | 499 dc = self.dirstate.copy() |
| 29 | 500 |
| 501 def fcmp(fn): | |
| 244 | 502 t1 = file(self.wjoin(fn)).read() |
| 29 | 503 t2 = self.file(fn).revision(mf[fn]) |
| 504 return cmp(t1, t2) | |
| 505 | |
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506 for dir, subdirs, files in os.walk(self.root): |
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507 d = dir[len(self.root)+1:] |
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508 if ".hg" in subdirs: subdirs.remove(".hg") |
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509 |
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510 for f in files: |
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511 fn = os.path.join(d, f) |
| 64 | 512 try: s = os.stat(os.path.join(self.root, fn)) |
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513 except: continue |
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514 if fn in dc: |
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515 c = dc[fn] |
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516 del dc[fn] |
| 220 | 517 if not c: |
| 29 | 518 if fcmp(fn): |
| 519 changed.append(fn) | |
| 231 | 520 elif c[0] == 'm': |
| 521 changed.append(fn) | |
| 220 | 522 elif c[0] == 'a': |
| 523 added.append(fn) | |
| 524 elif c[0] == 'r': | |
| 525 unknown.append(fn) | |
| 526 elif c[2] != s.st_size: | |
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527 changed.append(fn) |
| 220 | 528 elif c[1] != s.st_mode or c[3] != s.st_mtime: |
| 29 | 529 if fcmp(fn): |
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530 changed.append(fn) |
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531 else: |
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532 if self.ignore(fn): continue |
| 220 | 533 unknown.append(fn) |
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534 |
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535 deleted = dc.keys() |
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536 deleted.sort() |
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537 |
| 220 | 538 return (changed, added, deleted, unknown) |
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539 |
| 32 | 540 def diffrevs(self, node1, node2): |
| 33 | 541 changed, added = [], [] |
| 32 | 542 |
| 543 change = self.changelog.read(node1) | |
| 544 mf1 = self.manifest.read(change[0]) | |
| 33 | 545 change = self.changelog.read(node2) |
| 32 | 546 mf2 = self.manifest.read(change[0]) |
| 547 | |
| 548 for fn in mf2: | |
| 549 if mf1.has_key(fn): | |
| 550 if mf1[fn] != mf2[fn]: | |
| 551 changed.append(fn) | |
| 552 del mf1[fn] | |
| 553 else: | |
| 554 added.append(fn) | |
| 555 | |
| 556 deleted = mf1.keys() | |
| 557 deleted.sort() | |
| 558 | |
| 559 return (changed, added, deleted) | |
| 560 | |
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561 def add(self, list): |
| 220 | 562 for f in list: |
| 244 | 563 p = self.wjoin(f) |
| 220 | 564 if not os.path.isfile(p): |
| 565 self.ui.warn("%s does not exist!\n" % f) | |
| 566 elif self.dirstate.state(f) == 'n': | |
| 567 self.ui.warn("%s already tracked!\n" % f) | |
| 568 else: | |
| 569 self.dirstate.update([f], "a") | |
| 570 | |
| 571 def forget(self, list): | |
| 572 for f in list: | |
| 573 if self.dirstate.state(f) not in 'ai': | |
| 574 self.ui.warn("%s not added!\n" % f) | |
| 575 else: | |
| 576 self.dirstate.forget([f]) | |
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577 |
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578 def remove(self, list): |
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579 for f in list: |
| 244 | 580 p = self.wjoin(f) |
| 220 | 581 if os.path.isfile(p): |
| 582 self.ui.warn("%s still exists!\n" % f) | |
| 583 elif f not in self.dirstate: | |
| 584 self.ui.warn("%s not tracked!\n" % f) | |
| 585 else: | |
| 586 self.dirstate.update([f], "r") | |
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587 |
| 222 | 588 def heads(self): |
| 589 return self.changelog.heads() | |
| 590 | |
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591 def branches(self, nodes): |
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592 if not nodes: nodes = [self.changelog.tip()] |
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593 b = [] |
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594 for n in nodes: |
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595 t = n |
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596 while n: |
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597 p = self.changelog.parents(n) |
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598 if p[1] != nullid or p[0] == nullid: |
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599 b.append((t, n, p[0], p[1])) |
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600 break |
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601 n = p[0] |
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602 return b |
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603 |
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604 def between(self, pairs): |
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605 r = [] |
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606 |
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607 for top, bottom in pairs: |
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608 n, l, i = top, [], 0 |
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609 f = 1 |
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610 |
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611 while n != bottom: |
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612 p = self.changelog.parents(n)[0] |
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613 if i == f: |
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614 l.append(n) |
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615 f = f * 2 |
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616 n = p |
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617 i += 1 |
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618 |
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619 r.append(l) |
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620 |
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621 return r |
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622 |
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623 def newer(self, nodes): |
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624 m = {} |
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625 nl = [] |
| 94 | 626 pm = {} |
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627 cl = self.changelog |
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628 t = l = cl.count() |
| 94 | 629 |
| 630 # find the lowest numbered node | |
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631 for n in nodes: |
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632 l = min(l, cl.rev(n)) |
| 94 | 633 m[n] = 1 |
| 46 | 634 |
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635 for i in xrange(l, t): |
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636 n = cl.node(i) |
| 94 | 637 if n in m: # explicitly listed |
| 638 pm[n] = 1 | |
| 639 nl.append(n) | |
| 640 continue | |
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641 for p in cl.parents(n): |
| 94 | 642 if p in pm: # parent listed |
| 643 pm[n] = 1 | |
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644 nl.append(n) |
| 94 | 645 break |
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646 |
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647 return nl |
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648 |
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649 def getchangegroup(self, remote): |
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650 m = self.changelog.nodemap |
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651 search = [] |
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652 fetch = [] |
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653 seen = {} |
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654 seenbranch = {} |
| 192 | 655 |
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656 # if we have an empty repo, fetch everything |
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657 if self.changelog.tip() == nullid: |
| 222 | 658 self.ui.status("requesting all changes\n") |
|
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659 return remote.changegroup([nullid]) |
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660 |
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661 # otherwise, assume we're closer to the tip than the root |
| 222 | 662 self.ui.status("searching for changes\n") |
| 663 heads = remote.heads() | |
| 664 unknown = [] | |
| 665 for h in heads: | |
| 666 if h not in m: | |
| 667 unknown.append(h) | |
| 46 | 668 |
| 222 | 669 if not unknown: |
| 192 | 670 self.ui.status("nothing to do!\n") |
| 60 | 671 return None |
| 222 | 672 |
| 673 unknown = remote.branches(unknown) | |
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674 while unknown: |
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675 n = unknown.pop(0) |
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676 seen[n[0]] = 1 |
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677 |
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678 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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679 if n == nullid: break |
|
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680 if n in seenbranch: |
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681 self.ui.debug("branch already found\n") |
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682 continue |
|
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683 if n[1] and n[1] in m: # do we know the base? |
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684 self.ui.debug("found incomplete branch %s:%s\n" |
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685 % (short(n[0]), short(n[1]))) |
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686 search.append(n) # schedule branch range for scanning |
|
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687 seenbranch[n] = 1 |
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688 else: |
| 94 | 689 if n[2] in m and n[3] in m: |
| 690 if n[1] not in fetch: | |
| 691 self.ui.debug("found new changeset %s\n" % | |
| 692 short(n[1])) | |
| 693 fetch.append(n[1]) # earliest unknown | |
| 694 continue | |
|
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695 |
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696 r = [] |
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697 for a in n[2:4]: |
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698 if a not in seen: r.append(a) |
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699 |
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700 if r: |
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701 self.ui.debug("requesting %s\n" % |
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702 " ".join(map(short, r))) |
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703 for b in remote.branches(r): |
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704 self.ui.debug("received %s:%s\n" % |
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705 (short(b[0]), short(b[1]))) |
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706 if b[0] not in m and b[0] not in seen: |
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707 unknown.append(b) |
|
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708 |
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709 while search: |
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710 n = search.pop(0) |
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711 l = remote.between([(n[0], n[1])])[0] |
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712 p = n[0] |
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713 f = 1 |
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714 for i in l + [n[1]]: |
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715 if i in m: |
| 85 | 716 if f <= 2: |
| 83 | 717 self.ui.debug("found new branch changeset %s\n" % |
| 718 short(p)) | |
|
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719 fetch.append(p) |
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720 else: |
| 83 | 721 self.ui.debug("narrowed branch search to %s:%s\n" |
| 722 % (short(p), short(i))) | |
|
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723 search.append((p, i)) |
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724 break |
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725 p, f = i, f * 2 |
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726 |
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727 for f in fetch: |
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728 if f in m: |
| 83 | 729 raise "already have", short(f[:4]) |
| 730 | |
| 94 | 731 self.ui.note("adding new changesets starting at " + |
| 83 | 732 " ".join([short(f) for f in fetch]) + "\n") |
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733 |
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734 return remote.changegroup(fetch) |
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735 |
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736 def changegroup(self, basenodes): |
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737 nodes = self.newer(basenodes) |
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738 |
| 46 | 739 # construct the link map |
| 740 linkmap = {} | |
| 741 for n in nodes: | |
| 742 linkmap[self.changelog.rev(n)] = n | |
| 743 | |
| 744 # construct a list of all changed files | |
| 745 changed = {} | |
| 746 for n in nodes: | |
| 747 c = self.changelog.read(n) | |
| 748 for f in c[3]: | |
| 749 changed[f] = 1 | |
| 750 changed = changed.keys() | |
| 751 changed.sort() | |
| 752 | |
| 753 # the changegroup is changesets + manifests + all file revs | |
| 754 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 755 | |
| 192 | 756 for y in self.changelog.group(linkmap): yield y |
| 757 for y in self.manifest.group(linkmap): yield y | |
| 46 | 758 for f in changed: |
| 192 | 759 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 760 g = self.file(f).group(linkmap) |
| 192 | 761 for y in g: |
| 762 yield y | |
| 46 | 763 |
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764 def addchangegroup(self, generator): |
| 222 | 765 |
| 766 class genread: | |
| 767 def __init__(self, generator): | |
| 768 self.g = generator | |
| 769 self.buf = "" | |
| 770 def read(self, l): | |
| 771 while l > len(self.buf): | |
| 772 try: | |
| 773 self.buf += self.g.next() | |
| 774 except StopIteration: | |
| 775 break | |
| 776 d, self.buf = self.buf[:l], self.buf[l:] | |
| 777 return d | |
| 778 | |
| 779 def getchunk(): | |
| 780 d = source.read(4) | |
| 781 if not d: return "" | |
| 782 l = struct.unpack(">l", d)[0] | |
| 783 if l <= 4: return "" | |
| 784 return source.read(l - 4) | |
| 785 | |
| 786 def getgroup(): | |
| 787 while 1: | |
| 788 c = getchunk() | |
| 789 if not c: break | |
| 790 yield c | |
| 791 | |
| 792 def csmap(x): | |
| 793 self.ui.debug("add changeset %s\n" % short(x)) | |
| 794 return self.changelog.count() | |
| 795 | |
| 796 def revmap(x): | |
| 797 return self.changelog.rev(x) | |
| 798 | |
| 799 if not generator: return | |
| 800 changesets = files = revisions = 0 | |
| 225 | 801 |
| 222 | 802 source = genread(generator) |
| 225 | 803 lock = self.lock() |
| 222 | 804 tr = self.transaction() |
| 805 | |
| 806 # pull off the changeset group | |
| 807 self.ui.status("adding changesets\n") | |
| 808 co = self.changelog.tip() | |
|
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809 cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique |
| 222 | 810 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
| 811 | |
| 812 # pull off the manifest group | |
| 813 self.ui.status("adding manifests\n") | |
| 814 mm = self.manifest.tip() | |
| 815 mo = self.manifest.addgroup(getgroup(), revmap, tr) | |
| 816 | |
| 817 # process the files | |
| 818 self.ui.status("adding file revisions\n") | |
| 819 while 1: | |
| 820 f = getchunk() | |
| 821 if not f: break | |
| 822 self.ui.debug("adding %s revisions\n" % f) | |
| 823 fl = self.file(f) | |
| 824 o = fl.tip() | |
| 825 n = fl.addgroup(getgroup(), revmap, tr) | |
| 826 revisions += fl.rev(n) - fl.rev(o) | |
| 827 files += 1 | |
| 828 | |
| 829 self.ui.status(("modified %d files, added %d changesets" + | |
| 830 " and %d new revisions\n") | |
| 831 % (files, changesets, revisions)) | |
| 832 | |
| 833 tr.close() | |
| 834 return | |
| 835 | |
| 254 | 836 def update(self, node): |
|
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837 pl = self.dirstate.parents() |
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838 if pl[1] != nullid: |
| 254 | 839 self.ui.warn("aborting: outstanding uncommitted merges\n") |
| 46 | 840 return |
| 841 | |
|
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842 p1, p2 = pl[0], node |
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843 m1n = self.changelog.read(p1)[0] |
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844 m2n = self.changelog.read(p2)[0] |
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845 man = self.manifest.ancestor(m1n, m2n) |
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846 m1 = self.manifest.read(m1n) |
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847 m2 = self.manifest.read(m2n) |
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848 ma = self.manifest.read(man) |
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849 |
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850 (c, a, d, u) = self.diffdir(self.root) |
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851 |
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852 # resolve the manifest to determine which files |
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853 # we care about merging |
| 254 | 854 self.ui.note("resolving manifests\n") |
|
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855 self.ui.debug(" ancestor %s local %s remote %s\n" % |
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856 (short(man), short(m1n), short(m2n))) |
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857 |
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858 merge = {} |
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859 get = {} |
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860 remove = [] |
| 46 | 861 |
|
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862 # construct a working dir manifest |
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863 mw = m1.copy() |
| 254 | 864 for f in a + c + u: |
| 865 mw[f] = "" | |
|
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866 for f in d: |
| 254 | 867 if f in mw: del mw[f] |
|
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868 |
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869 for f, n in mw.iteritems(): |
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870 if f in m2: |
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871 if n != m2[f]: |
| 254 | 872 a = ma.get(f, nullid) |
| 873 if n != a and m2[f] != a: | |
| 874 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 875 merge[f] = (m1.get(f, nullid), m2[f]) | |
| 876 else: | |
| 877 get[f] = m2[f] | |
|
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878 del m2[f] |
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879 elif f in ma: |
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880 if n != ma[f]: |
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881 r = self.ui.prompt( |
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882 (" local changed %s which remote deleted\n" % f) + |
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883 "(k)eep or (d)elete?", "[kd]", "k") |
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884 if r == "d": |
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885 remove.append(f) |
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886 else: |
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887 self.ui.debug("other deleted %s\n" % f) |
| 254 | 888 remove.append(f) # other deleted it |
|
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889 else: |
| 254 | 890 if n == m1.get(f, nullid): # same as parent |
| 891 self.ui.debug("remote deleted %s\n" % f) | |
| 892 remove.append(f) | |
| 893 else: | |
| 894 self.ui.debug("working dir created %s, keeping\n" % f) | |
| 46 | 895 |
|
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896 for f, n in m2.iteritems(): |
| 256 | 897 if f[0] == "/": continue |
| 254 | 898 if f in ma and n != ma[f]: |
|
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899 r = self.ui.prompt( |
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900 ("remote changed %s which local deleted\n" % f) + |
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901 "(k)eep or (d)elete?", "[kd]", "k") |
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902 if r == "d": remove.append(f) |
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|
903 else: |
| 254 | 904 self.ui.debug("remote created %s\n" % f) |
|
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905 get[f] = n |
|
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906 |
|
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907 del mw, m1, m2, ma |
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908 |
| 254 | 909 if not merge: |
| 910 # we don't need to do any magic, just jump to the new rev | |
| 911 mode = 'n' | |
| 912 p1, p2 = p2, nullid | |
| 913 else: | |
| 914 # we have to remember what files we needed to get/change | |
| 915 # because any file that's different from either one of its | |
| 916 # parents must be in the changeset | |
| 917 mode = 'm' | |
| 918 | |
|
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919 self.dirstate.setparents(p1, p2) |
|
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920 |
|
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921 # get the files we don't need to change |
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922 files = get.keys() |
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923 files.sort() |
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924 for f in files: |
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925 if f[0] == "/": continue |
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926 self.ui.note(f, "\n") |
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927 t = self.file(f).revision(get[f]) |
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928 try: |
| 244 | 929 file(self.wjoin(f), "w").write(t) |
|
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930 except IOError: |
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931 os.makedirs(os.path.dirname(f)) |
| 244 | 932 file(self.wjoin(f), "w").write(t) |
| 254 | 933 self.dirstate.update([f], mode) |
| 46 | 934 |
|
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935 # merge the tricky bits |
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936 files = merge.keys() |
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937 files.sort() |
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938 for f in files: |
| 256 | 939 self.ui.status("merging %s\n" % f) |
|
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940 m, o = merge[f] |
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941 self.merge3(f, m, o) |
| 254 | 942 self.dirstate.update([f], 'm') |
|
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943 |
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944 for f in remove: |
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945 self.ui.note("removing %s\n" % f) |
| 254 | 946 os.unlink(f) |
| 947 if mode == 'n': | |
| 948 self.dirstate.forget(remove) | |
| 949 else: | |
| 950 self.dirstate.update(remove, 'r') | |
|
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951 |
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952 def merge3(self, fn, my, other): |
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953 """perform a 3-way merge in the working directory""" |
| 249 | 954 |
| 955 import tempfile | |
| 96 | 956 |
| 957 def temp(prefix, node): | |
| 958 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 959 (fd, name) = tempfile.mkstemp("", pre) | |
| 960 f = os.fdopen(fd, "w") | |
| 961 f.write(fl.revision(node)) | |
| 962 f.close() | |
| 963 return name | |
| 964 | |
|
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965 fl = self.file(fn) |
| 96 | 966 base = fl.ancestor(my, other) |
| 244 | 967 a = self.wjoin(fn) |
|
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968 b = temp("other", other) |
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969 c = temp("base", base) |
| 96 | 970 |
|
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971 self.ui.note("resolving %s\n" % fn) |
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972 self.ui.debug("file %s: other %s ancestor %s\n" % |
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973 (fn, short(other), short(base))) |
| 96 | 974 |
| 240 | 975 cmd = os.environ.get("HGMERGE", "hgmerge") |
| 976 r = os.system("%s %s %s %s" % (cmd, a, b, c)) | |
|
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977 if r: |
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978 self.ui.warn("merging %s failed!\n" % f) |
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979 |
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980 os.unlink(b) |
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981 os.unlink(c) |
| 96 | 982 |
| 247 | 983 def verify(self): |
| 984 filelinkrevs = {} | |
| 985 filenodes = {} | |
| 986 manifestchangeset = {} | |
| 987 changesets = revisions = files = 0 | |
| 988 errors = 0 | |
| 989 | |
| 990 self.ui.status("checking changesets\n") | |
| 991 for i in range(self.changelog.count()): | |
| 992 changesets += 1 | |
| 993 n = self.changelog.node(i) | |
| 994 for p in self.changelog.parents(n): | |
| 995 if p not in self.changelog.nodemap: | |
| 996 self.ui.warn("changeset %s has unknown parent %s\n" % | |
| 997 (short(n), short(p))) | |
| 998 errors += 1 | |
| 999 try: | |
| 1000 changes = self.changelog.read(n) | |
| 1001 except Exception, inst: | |
| 1002 self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) | |
| 1003 errors += 1 | |
| 1004 | |
| 1005 manifestchangeset[changes[0]] = n | |
| 1006 for f in changes[3]: | |
| 1007 filelinkrevs.setdefault(f, []).append(i) | |
| 1008 | |
| 1009 self.ui.status("checking manifests\n") | |
| 1010 for i in range(self.manifest.count()): | |
| 1011 n = self.manifest.node(i) | |
| 1012 for p in self.manifest.parents(n): | |
| 1013 if p not in self.manifest.nodemap: | |
| 1014 self.ui.warn("manifest %s has unknown parent %s\n" % | |
| 1015 (short(n), short(p))) | |
| 1016 errors += 1 | |
| 1017 ca = self.changelog.node(self.manifest.linkrev(n)) | |
| 1018 cc = manifestchangeset[n] | |
| 1019 if ca != cc: | |
| 1020 self.ui.warn("manifest %s points to %s, not %s\n" % | |
| 1021 (hex(n), hex(ca), hex(cc))) | |
| 1022 errors += 1 | |
| 1023 | |
| 1024 try: | |
| 1025 delta = mdiff.patchtext(self.manifest.delta(n)) | |
| 1026 except KeyboardInterrupt: | |
| 1027 print "aborted" | |
| 1028 sys.exit(0) | |
| 1029 except Exception, inst: | |
| 1030 self.ui.warn("unpacking manifest %s: %s\n" | |
| 1031 % (short(n), inst)) | |
| 1032 errors += 1 | |
| 1033 | |
| 1034 ff = [ l.split('\0') for l in delta.splitlines() ] | |
| 1035 for f, fn in ff: | |
| 1036 filenodes.setdefault(f, {})[bin(fn)] = 1 | |
| 1037 | |
| 1038 self.ui.status("crosschecking files in changesets and manifests\n") | |
| 1039 for f in filenodes: | |
| 1040 if f not in filelinkrevs: | |
| 1041 self.ui.warn("file %s in manifest but not in changesets\n" % f) | |
| 1042 errors += 1 | |
| 1043 | |
| 1044 for f in filelinkrevs: | |
| 1045 if f not in filenodes: | |
| 1046 self.ui.warn("file %s in changeset but not in manifest\n" % f) | |
| 1047 errors += 1 | |
| 1048 | |
| 1049 self.ui.status("checking files\n") | |
| 1050 ff = filenodes.keys() | |
| 1051 ff.sort() | |
| 1052 for f in ff: | |
| 1053 if f == "/dev/null": continue | |
| 1054 files += 1 | |
| 1055 fl = self.file(f) | |
| 1056 nodes = { nullid: 1 } | |
| 1057 for i in range(fl.count()): | |
| 1058 revisions += 1 | |
| 1059 n = fl.node(i) | |
| 1060 | |
| 1061 if n not in filenodes[f]: | |
| 1062 self.ui.warn("%s: %d:%s not in manifests\n" | |
| 1063 % (f, i, short(n))) | |
| 1064 print len(filenodes[f].keys()), fl.count(), f | |
| 1065 errors += 1 | |
| 1066 else: | |
| 1067 del filenodes[f][n] | |
| 1068 | |
| 1069 flr = fl.linkrev(n) | |
| 1070 if flr not in filelinkrevs[f]: | |
| 1071 self.ui.warn("%s:%s points to unexpected changeset %d\n" | |
| 1072 % (f, short(n), fl.linkrev(n))) | |
| 1073 errors += 1 | |
| 1074 else: | |
| 1075 filelinkrevs[f].remove(flr) | |
| 1076 | |
| 1077 # verify contents | |
| 1078 try: | |
| 1079 t = fl.read(n) | |
| 1080 except Exception, inst: | |
| 1081 self.ui.warn("unpacking file %s %s: %s\n" | |
| 1082 % (f, short(n), inst)) | |
| 1083 errors += 1 | |
| 1084 | |
| 1085 # verify parents | |
| 1086 (p1, p2) = fl.parents(n) | |
| 1087 if p1 not in nodes: | |
| 1088 self.ui.warn("file %s:%s unknown parent 1 %s" % | |
| 1089 (f, short(n), short(p1))) | |
| 1090 errors += 1 | |
| 1091 if p2 not in nodes: | |
| 1092 self.ui.warn("file %s:%s unknown parent 2 %s" % | |
| 1093 (f, short(n), short(p1))) | |
| 1094 errors += 1 | |
| 1095 nodes[n] = 1 | |
| 1096 | |
| 1097 # cross-check | |
| 1098 for node in filenodes[f]: | |
| 1099 self.ui.warn("node %s in manifests not in %s\n" | |
| 1100 % (hex(n), f)) | |
| 1101 errors += 1 | |
| 1102 | |
| 1103 self.ui.status("%d files, %d changesets, %d total revisions\n" % | |
| 1104 (files, changesets, revisions)) | |
| 1105 | |
| 1106 if errors: | |
| 1107 self.ui.warn("%d integrity errors encountered!\n" % errors) | |
| 1108 return 1 | |
| 1109 | |
| 60 | 1110 class remoterepository: |
| 1111 def __init__(self, ui, path): | |
|
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1112 self.url = path |
| 60 | 1113 self.ui = ui |
| 1114 | |
| 1115 def do_cmd(self, cmd, **args): | |
| 83 | 1116 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 1117 q = {"cmd": cmd} |
| 1118 q.update(args) | |
| 1119 qs = urllib.urlencode(q) | |
| 1120 cu = "%s?%s" % (self.url, qs) | |
|
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1121 return urllib.urlopen(cu) |
| 60 | 1122 |
| 222 | 1123 def heads(self): |
| 1124 d = self.do_cmd("heads").read() | |
| 1125 try: | |
| 1126 return map(bin, d[:-1].split(" ")) | |
| 1127 except: | |
| 1128 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1129 raise | |
| 1130 | |
| 60 | 1131 def branches(self, nodes): |
| 1132 n = " ".join(map(hex, nodes)) | |
|
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1133 d = self.do_cmd("branches", nodes=n).read() |
| 217 | 1134 try: |
| 1135 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
| 1136 return br | |
| 1137 except: | |
| 1138 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1139 raise | |
| 60 | 1140 |
| 1141 def between(self, pairs): | |
| 1142 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
|
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1143 d = self.do_cmd("between", pairs=n).read() |
| 217 | 1144 try: |
| 1145 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
| 1146 return p | |
| 1147 except: | |
| 1148 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1149 raise | |
| 60 | 1150 |
| 1151 def changegroup(self, nodes): | |
| 1152 n = " ".join(map(hex, nodes)) | |
|
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1153 zd = zlib.decompressobj() |
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1154 f = self.do_cmd("changegroup", roots=n) |
| 192 | 1155 bytes = 0 |
|
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1156 while 1: |
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1157 d = f.read(4096) |
| 192 | 1158 bytes += len(d) |
|
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1159 if not d: |
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1160 yield zd.flush() |
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1161 break |
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1162 yield zd.decompress(d) |
| 192 | 1163 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 1164 |
| 1165 def repository(ui, path=None, create=0): | |
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1166 if path and path[:7] == "http://": |
| 249 | 1167 import urllib, urllib2 |
|
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1168 return remoterepository(ui, path) |
| 60 | 1169 if path and path[:5] == "hg://": |
| 249 | 1170 import urllib, urllib2 |
|
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1171 return remoterepository(ui, path.replace("hg://", "http://")) |
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1172 if path and path[:11] == "old-http://": |
| 249 | 1173 import urllib, urllib2 |
| 1174 from mercurial import byterange | |
|
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1175 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 1176 else: |
| 1177 return localrepository(ui, path, create) | |
| 1178 | |
|
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1179 class httprangereader: |
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1180 def __init__(self, url): |
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1181 self.url = url |
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1182 self.pos = 0 |
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1183 def seek(self, pos): |
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1184 self.pos = pos |
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1185 def read(self, bytes=None): |
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1186 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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1187 urllib2.install_opener(opener) |
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1188 req = urllib2.Request(self.url) |
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1189 end = '' |
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1190 if bytes: end = self.pos + bytes |
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1191 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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1192 f = urllib2.urlopen(req) |
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1193 return f.read() |