Mercurial > hg > pyhgsh
annotate mercurial/hg.py @ 228:2502aa663484
teach rawcommit about dirstate.parents()
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| author | mpm@selenic.com |
|---|---|
| date | Fri, 03 Jun 2005 12:54:14 -0800 |
| parents | f57519cddd3d |
| children | 1b11da6ee69e |
| 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 |
| 227 | 158 self.pl = None |
| 220 | 159 |
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160 def __del__(self): |
| 220 | 161 if self.dirty: |
| 162 self.write() | |
| 163 | |
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164 def __getitem__(self, key): |
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165 try: |
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166 return self.map[key] |
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167 except TypeError: |
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168 self.read() |
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169 return self[key] |
| 220 | 170 |
| 171 def __contains__(self, key): | |
| 172 if not self.map: self.read() | |
| 173 return key in self.map | |
| 174 | |
| 227 | 175 def parents(self): |
| 176 if not self.pl: | |
| 177 self.read() | |
| 178 return self.pl | |
| 179 | |
| 180 def setparents(self, p1, p2 = nullid): | |
| 181 self.dirty = 1 | |
| 182 self.pl = p1, p2 | |
| 183 | |
| 220 | 184 def state(self, key): |
| 185 try: | |
| 186 return self[key][0] | |
| 187 except KeyError: | |
| 188 return "?" | |
| 189 | |
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190 def read(self): |
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191 if self.map is not None: return self.map |
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192 |
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193 self.map = {} |
| 227 | 194 self.pl = [nullid, nullid] |
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195 try: |
| 220 | 196 st = self.opener("dirstate").read() |
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197 except: return |
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198 |
| 227 | 199 self.pl = [st[:20], st[20: 40]] |
| 200 | |
| 201 pos = 40 | |
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202 while pos < len(st): |
| 220 | 203 e = struct.unpack(">cllll", st[pos:pos+17]) |
| 204 l = e[4] | |
| 205 pos += 17 | |
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206 f = st[pos:pos + l] |
| 220 | 207 self.map[f] = e[:4] |
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208 pos += l |
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209 |
| 220 | 210 def update(self, files, state): |
| 211 ''' current states: | |
| 212 n normal | |
| 213 i invalid | |
| 214 r marked for removal | |
| 215 a marked for addition''' | |
| 216 | |
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217 if not files: return |
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218 self.read() |
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219 self.dirty = 1 |
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220 for f in files: |
| 220 | 221 if state == "r": |
| 222 self.map[f] = ('r', 0, 0, 0) | |
| 223 else: | |
| 224 try: | |
| 225 s = os.stat(f) | |
| 226 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime) | |
| 227 except OSError: | |
| 228 if state != "i": raise | |
| 229 self.map[f] = ('r', 0, 0, 0) | |
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230 |
| 220 | 231 def forget(self, files): |
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232 if not files: return |
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233 self.read() |
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234 self.dirty = 1 |
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235 for f in files: |
| 20 | 236 try: |
| 237 del self.map[f] | |
| 238 except KeyError: | |
| 220 | 239 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 240 pass |
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241 |
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242 def clear(self): |
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243 self.map = {} |
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244 self.dirty = 1 |
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245 |
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246 def write(self): |
| 220 | 247 st = self.opener("dirstate", "w") |
| 227 | 248 st.write("".join(self.pl)) |
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249 for f, e in self.map.items(): |
| 220 | 250 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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251 st.write(e + f) |
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252 self.dirty = 0 |
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253 |
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254 def copy(self): |
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255 self.read() |
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256 return self.map.copy() |
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257 |
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258 # used to avoid circular references so destructors work |
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259 def opener(base): |
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260 p = base |
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261 def o(path, mode="r"): |
|
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262 if p[:7] == "http://": |
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263 f = os.path.join(p, urllib.quote(path)) |
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264 return httprangereader(f) |
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265 |
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266 f = os.path.join(p, path) |
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267 |
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268 if mode != "r": |
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269 try: |
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270 s = os.stat(f) |
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271 except OSError: |
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272 d = os.path.dirname(f) |
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273 if not os.path.isdir(d): |
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274 os.makedirs(d) |
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275 else: |
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276 if s.st_nlink > 1: |
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277 file(f + ".tmp", "w").write(file(f).read()) |
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278 os.rename(f+".tmp", f) |
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279 |
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280 return file(f, mode) |
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281 |
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282 return o |
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283 |
| 60 | 284 class localrepository: |
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285 def __init__(self, ui, path=None, create=0): |
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286 self.remote = 0 |
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287 if path and path[:7] == "http://": |
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288 self.remote = 1 |
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289 self.path = path |
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290 else: |
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291 if not path: |
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292 p = os.getcwd() |
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293 while not os.path.isdir(os.path.join(p, ".hg")): |
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294 p = os.path.dirname(p) |
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295 if p == "/": raise "No repo found" |
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296 path = p |
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297 self.path = os.path.join(path, ".hg") |
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298 |
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299 self.root = path |
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300 self.ui = ui |
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301 |
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302 if create: |
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303 os.mkdir(self.path) |
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304 os.mkdir(self.join("data")) |
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305 |
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306 self.opener = opener(self.path) |
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307 self.manifest = manifest(self.opener) |
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308 self.changelog = changelog(self.opener) |
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309 self.ignorelist = None |
| 67 | 310 self.tags = None |
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311 |
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312 if not self.remote: |
| 220 | 313 self.dirstate = dirstate(self.opener, ui) |
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314 |
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315 def ignore(self, f): |
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316 if self.ignorelist is None: |
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317 self.ignorelist = [] |
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318 try: |
| 67 | 319 l = open(os.path.join(self.root, ".hgignore")) |
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320 for pat in l: |
| 9 | 321 if pat != "\n": |
| 322 self.ignorelist.append(re.compile(pat[:-1])) | |
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323 except IOError: pass |
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324 for pat in self.ignorelist: |
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325 if pat.search(f): return True |
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326 return False |
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327 |
| 67 | 328 def lookup(self, key): |
| 329 if self.tags is None: | |
| 330 self.tags = {} | |
| 331 try: | |
| 332 fl = self.file(".hgtags") | |
| 333 for l in fl.revision(fl.tip()).splitlines(): | |
| 334 if l: | |
| 335 n, k = l.split(" ") | |
| 336 self.tags[k] = bin(n) | |
| 337 except KeyError: pass | |
| 338 try: | |
| 339 return self.tags[key] | |
| 340 except KeyError: | |
| 341 return self.changelog.lookup(key) | |
| 342 | |
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343 def join(self, f): |
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344 return os.path.join(self.path, f) |
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345 |
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346 def file(self, f): |
| 192 | 347 if f[0] == '/': f = f[1:] |
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348 return filelog(self.opener, f) |
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349 |
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350 def transaction(self): |
| 95 | 351 return transaction(self.opener, self.join("journal"), |
| 352 self.join("undo")) | |
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353 |
| 210 | 354 def recover(self): |
| 225 | 355 lock = self.lock() |
| 210 | 356 if os.path.exists(self.join("recover")): |
| 357 self.ui.status("attempting to rollback interrupted transaction\n") | |
| 358 return rollback(self.opener, self.join("recover")) | |
| 359 else: | |
| 360 self.ui.warn("no interrupted transaction available\n") | |
| 361 | |
| 362 def undo(self): | |
| 225 | 363 lock = self.lock() |
| 210 | 364 if os.path.exists(self.join("undo")): |
| 220 | 365 f = self.changelog.read(self.changelog.tip())[3] |
| 210 | 366 self.ui.status("attempting to rollback last transaction\n") |
| 367 rollback(self.opener, self.join("undo")) | |
| 368 self.manifest = manifest(self.opener) | |
| 369 self.changelog = changelog(self.opener) | |
| 370 | |
| 220 | 371 self.ui.status("discarding dirstate\n") |
| 210 | 372 node = self.changelog.tip() |
| 373 f.sort() | |
| 374 | |
| 227 | 375 self.dirstate.setparents(node) |
| 220 | 376 self.dirstate.update(f, 'i') |
| 210 | 377 |
| 163 | 378 else: |
| 210 | 379 self.ui.warn("no undo information available\n") |
| 162 | 380 |
| 161 | 381 def lock(self, wait = 1): |
| 382 try: | |
| 383 return lock.lock(self.join("lock"), 0) | |
| 384 except lock.LockHeld, inst: | |
| 385 if wait: | |
| 386 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 387 return lock.lock(self.join("lock"), wait) | |
| 388 raise inst | |
| 389 | |
| 203 | 390 def rawcommit(self, files, text, user, date, p1=None, p2=None): |
| 228 | 391 p1 = p1 or self.dirstate.parents()[0] or nullid |
| 392 p2 = p2 or self.dirstate.parents()[1] or nullid | |
| 203 | 393 pchange = self.changelog.read(p1) |
| 394 pmmap = self.manifest.read(pchange[0]) | |
| 395 tr = self.transaction() | |
| 396 mmap = {} | |
| 397 linkrev = self.changelog.count() | |
| 398 for f in files: | |
| 399 try: | |
| 400 t = file(f).read() | |
| 401 except IOError: | |
| 402 self.ui.warn("Read file %s error, skipped\n" % f) | |
| 403 continue | |
| 404 r = self.file(f) | |
| 228 | 405 # FIXME - need to find both parents properly |
| 203 | 406 prev = pmmap.get(f, nullid) |
| 407 mmap[f] = r.add(t, tr, linkrev, prev) | |
| 408 | |
| 409 mnode = self.manifest.add(mmap, tr, linkrev, pchange[0]) | |
| 410 n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, ) | |
| 411 tr.close() | |
| 228 | 412 self.dirstate.setparents(p1, p2) |
| 220 | 413 self.dirstate.clear() |
| 414 self.dirstate.update(mmap.keys(), "n") | |
| 203 | 415 |
| 220 | 416 def commit(self, parent, files = None, text = ""): |
| 161 | 417 self.lock() |
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418 |
| 220 | 419 commit = [] |
| 420 remove = [] | |
| 421 if files: | |
| 422 for f in files: | |
| 423 s = self.dirstate.state(f) | |
| 424 if s in 'cai': | |
| 425 commit.append(f) | |
| 426 elif s == 'r': | |
| 427 remove.append(f) | |
| 428 else: | |
| 429 self.warn("%s not tracked!\n") | |
| 430 else: | |
| 431 (c, a, d, u) = self.diffdir(self.root, parent) | |
| 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 | |
| 225 | 439 lock = self.lock() |
| 151 | 440 tr = self.transaction() |
| 441 | |
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442 # check in files |
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443 new = {} |
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444 linkrev = self.changelog.count() |
| 220 | 445 commit.sort() |
| 446 for f in commit: | |
| 83 | 447 self.ui.note(f + "\n") |
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448 try: |
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449 t = file(f).read() |
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450 except IOError: |
| 220 | 451 self.warn("trouble committing %s!\n" % f) |
| 452 raise | |
| 453 | |
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454 r = self.file(f) |
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455 new[f] = r.add(t, tr, linkrev) |
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456 |
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457 # update manifest |
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458 mmap = self.manifest.read(self.manifest.tip()) |
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459 mmap.update(new) |
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460 for f in remove: |
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461 del mmap[f] |
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462 mnode = self.manifest.add(mmap, tr, linkrev) |
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463 |
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464 # add changeset |
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465 new = new.keys() |
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466 new.sort() |
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467 |
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468 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mnode) |
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469 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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470 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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471 edittext = self.ui.edit(edittext) |
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472 |
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473 n = self.changelog.add(mnode, new, edittext, tr) |
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474 tr.close() |
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475 |
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476 self.setcurrent(n) |
| 220 | 477 self.dirstate.update(new, "n") |
| 478 self.dirstate.forget(remove) | |
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479 |
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480 def checkout(self, node): |
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481 # checkout is really dumb at the moment |
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482 # it ought to basically merge |
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483 change = self.changelog.read(node) |
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484 l = self.manifest.read(change[0]).items() |
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485 l.sort() |
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486 |
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487 for f,n in l: |
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488 if f[0] == "/": continue |
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489 self.ui.note(f, "\n") |
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490 t = self.file(f).revision(n) |
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491 try: |
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492 file(f, "w").write(t) |
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493 except IOError: |
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494 os.makedirs(os.path.dirname(f)) |
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495 file(f, "w").write(t) |
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496 |
| 227 | 497 self.dirstate.setparents(node) |
| 220 | 498 self.dirstate.clear() |
| 499 self.dirstate.update([f for f,n in l], "n") | |
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500 |
| 29 | 501 def diffdir(self, path, changeset): |
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502 changed = [] |
| 220 | 503 added = [] |
| 504 unknown = [] | |
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505 mf = {} |
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506 |
| 29 | 507 if changeset: |
| 508 change = self.changelog.read(changeset) | |
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509 mf = self.manifest.read(change[0]) |
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510 |
| 29 | 511 if changeset == self.current: |
| 220 | 512 dc = self.dirstate.copy() |
| 29 | 513 else: |
| 514 dc = dict.fromkeys(mf) | |
| 515 | |
| 516 def fcmp(fn): | |
| 64 | 517 t1 = file(os.path.join(self.root, fn)).read() |
| 29 | 518 t2 = self.file(fn).revision(mf[fn]) |
| 519 return cmp(t1, t2) | |
| 520 | |
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521 for dir, subdirs, files in os.walk(self.root): |
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522 d = dir[len(self.root)+1:] |
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523 if ".hg" in subdirs: subdirs.remove(".hg") |
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524 |
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525 for f in files: |
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526 fn = os.path.join(d, f) |
| 64 | 527 try: s = os.stat(os.path.join(self.root, fn)) |
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528 except: continue |
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529 if fn in dc: |
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530 c = dc[fn] |
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531 del dc[fn] |
| 220 | 532 if not c: |
| 29 | 533 if fcmp(fn): |
| 534 changed.append(fn) | |
| 220 | 535 if c[0] == 'i': |
| 536 if fn not in mf: | |
| 537 added.append(fn) | |
| 538 elif fcmp(fn): | |
| 539 changed.append(fn) | |
| 540 elif c[0] == 'a': | |
| 541 added.append(fn) | |
| 542 elif c[0] == 'r': | |
| 543 unknown.append(fn) | |
| 544 elif c[2] != s.st_size: | |
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545 changed.append(fn) |
| 220 | 546 elif c[1] != s.st_mode or c[3] != s.st_mtime: |
| 29 | 547 if fcmp(fn): |
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548 changed.append(fn) |
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549 else: |
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550 if self.ignore(fn): continue |
| 220 | 551 unknown.append(fn) |
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552 |
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553 deleted = dc.keys() |
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554 deleted.sort() |
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555 |
| 220 | 556 return (changed, added, deleted, unknown) |
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557 |
| 32 | 558 def diffrevs(self, node1, node2): |
| 33 | 559 changed, added = [], [] |
| 32 | 560 |
| 561 change = self.changelog.read(node1) | |
| 562 mf1 = self.manifest.read(change[0]) | |
| 33 | 563 change = self.changelog.read(node2) |
| 32 | 564 mf2 = self.manifest.read(change[0]) |
| 565 | |
| 566 for fn in mf2: | |
| 567 if mf1.has_key(fn): | |
| 568 if mf1[fn] != mf2[fn]: | |
| 569 changed.append(fn) | |
| 570 del mf1[fn] | |
| 571 else: | |
| 572 added.append(fn) | |
| 573 | |
| 574 deleted = mf1.keys() | |
| 575 deleted.sort() | |
| 576 | |
| 577 return (changed, added, deleted) | |
| 578 | |
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579 def add(self, list): |
| 220 | 580 for f in list: |
| 581 p = os.path.join(self.root, f) | |
| 582 if not os.path.isfile(p): | |
| 583 self.ui.warn("%s does not exist!\n" % f) | |
| 584 elif self.dirstate.state(f) == 'n': | |
| 585 self.ui.warn("%s already tracked!\n" % f) | |
| 586 else: | |
| 587 self.dirstate.update([f], "a") | |
| 588 | |
| 589 def forget(self, list): | |
| 590 for f in list: | |
| 591 if self.dirstate.state(f) not in 'ai': | |
| 592 self.ui.warn("%s not added!\n" % f) | |
| 593 else: | |
| 594 self.dirstate.forget([f]) | |
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595 |
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596 def remove(self, list): |
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597 for f in list: |
| 220 | 598 p = os.path.join(self.root, f) |
| 599 if os.path.isfile(p): | |
| 600 self.ui.warn("%s still exists!\n" % f) | |
| 601 elif f not in self.dirstate: | |
| 602 self.ui.warn("%s not tracked!\n" % f) | |
| 603 else: | |
| 604 self.dirstate.update([f], "r") | |
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605 |
| 222 | 606 def heads(self): |
| 607 return self.changelog.heads() | |
| 608 | |
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609 def branches(self, nodes): |
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610 if not nodes: nodes = [self.changelog.tip()] |
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611 b = [] |
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612 for n in nodes: |
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613 t = n |
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614 while n: |
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615 p = self.changelog.parents(n) |
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616 if p[1] != nullid or p[0] == nullid: |
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617 b.append((t, n, p[0], p[1])) |
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618 break |
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619 n = p[0] |
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620 return b |
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621 |
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622 def between(self, pairs): |
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623 r = [] |
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624 |
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625 for top, bottom in pairs: |
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626 n, l, i = top, [], 0 |
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627 f = 1 |
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628 |
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629 while n != bottom: |
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630 p = self.changelog.parents(n)[0] |
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631 if i == f: |
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632 l.append(n) |
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633 f = f * 2 |
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634 n = p |
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635 i += 1 |
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636 |
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637 r.append(l) |
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638 |
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639 return r |
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640 |
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641 def newer(self, nodes): |
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642 m = {} |
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643 nl = [] |
| 94 | 644 pm = {} |
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645 cl = self.changelog |
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646 t = l = cl.count() |
| 94 | 647 |
| 648 # find the lowest numbered node | |
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649 for n in nodes: |
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650 l = min(l, cl.rev(n)) |
| 94 | 651 m[n] = 1 |
| 46 | 652 |
|
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653 for i in xrange(l, t): |
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654 n = cl.node(i) |
| 94 | 655 if n in m: # explicitly listed |
| 656 pm[n] = 1 | |
| 657 nl.append(n) | |
| 658 continue | |
|
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659 for p in cl.parents(n): |
| 94 | 660 if p in pm: # parent listed |
| 661 pm[n] = 1 | |
|
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662 nl.append(n) |
| 94 | 663 break |
|
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664 |
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665 return nl |
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666 |
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667 def getchangegroup(self, remote): |
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668 m = self.changelog.nodemap |
|
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669 search = [] |
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670 fetch = [] |
|
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671 seen = {} |
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672 seenbranch = {} |
| 192 | 673 |
|
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674 # if we have an empty repo, fetch everything |
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675 if self.changelog.tip() == nullid: |
| 222 | 676 self.ui.status("requesting all changes\n") |
|
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677 return remote.changegroup([nullid]) |
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678 |
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679 # otherwise, assume we're closer to the tip than the root |
| 222 | 680 self.ui.status("searching for changes\n") |
| 681 heads = remote.heads() | |
| 682 unknown = [] | |
| 683 for h in heads: | |
| 684 if h not in m: | |
| 685 unknown.append(h) | |
| 46 | 686 |
| 222 | 687 if not unknown: |
| 192 | 688 self.ui.status("nothing to do!\n") |
| 60 | 689 return None |
| 222 | 690 |
| 691 unknown = remote.branches(unknown) | |
|
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692 while unknown: |
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693 n = unknown.pop(0) |
|
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694 seen[n[0]] = 1 |
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695 |
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696 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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697 if n == nullid: break |
|
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698 if n in seenbranch: |
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699 self.ui.debug("branch already found\n") |
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700 continue |
|
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701 if n[1] and n[1] in m: # do we know the base? |
|
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702 self.ui.debug("found incomplete branch %s:%s\n" |
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703 % (short(n[0]), short(n[1]))) |
|
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704 search.append(n) # schedule branch range for scanning |
|
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705 seenbranch[n] = 1 |
|
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706 else: |
| 94 | 707 if n[2] in m and n[3] in m: |
| 708 if n[1] not in fetch: | |
| 709 self.ui.debug("found new changeset %s\n" % | |
| 710 short(n[1])) | |
| 711 fetch.append(n[1]) # earliest unknown | |
| 712 continue | |
|
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713 |
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714 r = [] |
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715 for a in n[2:4]: |
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716 if a not in seen: r.append(a) |
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717 |
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718 if r: |
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719 self.ui.debug("requesting %s\n" % |
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720 " ".join(map(short, r))) |
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721 for b in remote.branches(r): |
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722 self.ui.debug("received %s:%s\n" % |
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723 (short(b[0]), short(b[1]))) |
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724 if b[0] not in m and b[0] not in seen: |
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725 unknown.append(b) |
|
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726 |
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727 while search: |
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728 n = search.pop(0) |
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729 l = remote.between([(n[0], n[1])])[0] |
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730 p = n[0] |
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731 f = 1 |
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|
732 for i in l + [n[1]]: |
|
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733 if i in m: |
| 85 | 734 if f <= 2: |
| 83 | 735 self.ui.debug("found new branch changeset %s\n" % |
| 736 short(p)) | |
|
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737 fetch.append(p) |
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738 else: |
| 83 | 739 self.ui.debug("narrowed branch search to %s:%s\n" |
| 740 % (short(p), short(i))) | |
|
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741 search.append((p, i)) |
|
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|
742 break |
|
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|
743 p, f = i, f * 2 |
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744 |
|
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745 for f in fetch: |
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746 if f in m: |
| 83 | 747 raise "already have", short(f[:4]) |
| 748 | |
| 94 | 749 self.ui.note("adding new changesets starting at " + |
| 83 | 750 " ".join([short(f) for f in fetch]) + "\n") |
|
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751 |
|
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752 return remote.changegroup(fetch) |
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753 |
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754 def changegroup(self, basenodes): |
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755 nodes = self.newer(basenodes) |
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756 |
| 46 | 757 # construct the link map |
| 758 linkmap = {} | |
| 759 for n in nodes: | |
| 760 linkmap[self.changelog.rev(n)] = n | |
| 761 | |
| 762 # construct a list of all changed files | |
| 763 changed = {} | |
| 764 for n in nodes: | |
| 765 c = self.changelog.read(n) | |
| 766 for f in c[3]: | |
| 767 changed[f] = 1 | |
| 768 changed = changed.keys() | |
| 769 changed.sort() | |
| 770 | |
| 771 # the changegroup is changesets + manifests + all file revs | |
| 772 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 773 | |
| 192 | 774 for y in self.changelog.group(linkmap): yield y |
| 775 for y in self.manifest.group(linkmap): yield y | |
| 46 | 776 for f in changed: |
| 192 | 777 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 778 g = self.file(f).group(linkmap) |
| 192 | 779 for y in g: |
| 780 yield y | |
| 46 | 781 |
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782 def addchangegroup(self, generator): |
| 222 | 783 |
| 784 class genread: | |
| 785 def __init__(self, generator): | |
| 786 self.g = generator | |
| 787 self.buf = "" | |
| 788 def read(self, l): | |
| 789 while l > len(self.buf): | |
| 790 try: | |
| 791 self.buf += self.g.next() | |
| 792 except StopIteration: | |
| 793 break | |
| 794 d, self.buf = self.buf[:l], self.buf[l:] | |
| 795 return d | |
| 796 | |
| 797 def getchunk(): | |
| 798 d = source.read(4) | |
| 799 if not d: return "" | |
| 800 l = struct.unpack(">l", d)[0] | |
| 801 if l <= 4: return "" | |
| 802 return source.read(l - 4) | |
| 803 | |
| 804 def getgroup(): | |
| 805 while 1: | |
| 806 c = getchunk() | |
| 807 if not c: break | |
| 808 yield c | |
| 809 | |
| 810 def csmap(x): | |
| 811 self.ui.debug("add changeset %s\n" % short(x)) | |
| 812 return self.changelog.count() | |
| 813 | |
| 814 def revmap(x): | |
| 815 return self.changelog.rev(x) | |
| 816 | |
| 817 if not generator: return | |
| 818 changesets = files = revisions = 0 | |
| 225 | 819 |
| 222 | 820 source = genread(generator) |
| 225 | 821 lock = self.lock() |
| 222 | 822 tr = self.transaction() |
| 823 | |
| 824 # pull off the changeset group | |
| 825 self.ui.status("adding changesets\n") | |
| 826 co = self.changelog.tip() | |
|
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827 cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique |
| 222 | 828 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
| 829 | |
| 830 # pull off the manifest group | |
| 831 self.ui.status("adding manifests\n") | |
| 832 mm = self.manifest.tip() | |
| 833 mo = self.manifest.addgroup(getgroup(), revmap, tr) | |
| 834 | |
| 835 # process the files | |
| 836 self.ui.status("adding file revisions\n") | |
| 837 while 1: | |
| 838 f = getchunk() | |
| 839 if not f: break | |
| 840 self.ui.debug("adding %s revisions\n" % f) | |
| 841 fl = self.file(f) | |
| 842 o = fl.tip() | |
| 843 n = fl.addgroup(getgroup(), revmap, tr) | |
| 844 revisions += fl.rev(n) - fl.rev(o) | |
| 845 files += 1 | |
| 846 | |
| 847 self.ui.status(("modified %d files, added %d changesets" + | |
| 848 " and %d new revisions\n") | |
| 849 % (files, changesets, revisions)) | |
| 850 | |
| 851 tr.close() | |
| 852 return | |
| 853 | |
| 854 def merge(self, generator): | |
|
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855 changesets = files = revisions = 0 |
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856 |
| 161 | 857 self.lock() |
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858 class genread: |
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859 def __init__(self, generator): |
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860 self.g = generator |
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861 self.buf = "" |
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862 def read(self, l): |
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863 while l > len(self.buf): |
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864 try: |
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865 self.buf += self.g.next() |
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866 except StopIteration: |
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867 break |
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868 d, self.buf = self.buf[:l], self.buf[l:] |
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869 return d |
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870 |
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871 if not generator: return |
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872 source = genread(generator) |
| 60 | 873 |
| 192 | 874 def getchunk(): |
|
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875 d = source.read(4) |
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876 if not d: return "" |
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877 l = struct.unpack(">l", d)[0] |
| 192 | 878 if l <= 4: return "" |
| 879 return source.read(l - 4) | |
| 880 | |
| 881 def getgroup(): | |
| 882 while 1: | |
| 883 c = getchunk() | |
| 884 if not c: break | |
| 885 yield c | |
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886 |
| 46 | 887 tr = self.transaction() |
| 888 simple = True | |
| 146 | 889 need = {} |
| 46 | 890 |
| 94 | 891 self.ui.status("adding changesets\n") |
| 46 | 892 # pull off the changeset group |
| 94 | 893 def report(x): |
| 894 self.ui.debug("add changeset %s\n" % short(x)) | |
| 895 return self.changelog.count() | |
| 192 | 896 |
| 46 | 897 co = self.changelog.tip() |
| 192 | 898 cn = self.changelog.addgroup(getgroup(), report, tr) |
| 46 | 899 |
| 192 | 900 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
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901 |
| 94 | 902 self.ui.status("adding manifests\n") |
| 46 | 903 # pull off the manifest group |
| 90 | 904 mm = self.manifest.tip() |
| 192 | 905 mo = self.manifest.addgroup(getgroup(), |
| 906 lambda x: self.changelog.rev(x), tr) | |
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907 |
| 46 | 908 # do we need a resolve? |
| 909 if self.changelog.ancestor(co, cn) != co: | |
| 910 simple = False | |
| 911 resolverev = self.changelog.count() | |
| 912 | |
| 146 | 913 # resolve the manifest to determine which files |
| 914 # we care about merging | |
| 915 self.ui.status("resolving manifests\n") | |
| 916 ma = self.manifest.ancestor(mm, mo) | |
| 917 omap = self.manifest.read(mo) # other | |
| 918 amap = self.manifest.read(ma) # ancestor | |
| 919 mmap = self.manifest.read(mm) # mine | |
| 920 nmap = {} | |
| 921 | |
| 922 self.ui.debug(" ancestor %s local %s remote %s\n" % | |
| 923 (short(ma), short(mm), short(mo))) | |
| 924 | |
| 925 for f, mid in mmap.iteritems(): | |
| 926 if f in omap: | |
| 927 if mid != omap[f]: | |
| 928 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 929 need[f] = mid # use merged version or local version | |
| 930 else: | |
| 931 nmap[f] = mid # keep ours | |
| 932 del omap[f] | |
| 933 elif f in amap: | |
| 934 if mid != amap[f]: | |
| 935 r = self.ui.prompt( | |
| 936 (" local changed %s which remote deleted\n" % f) + | |
| 937 "(k)eep or (d)elete?", "[kd]", "k") | |
| 938 if r == "k": nmap[f] = mid | |
| 939 else: | |
| 940 self.ui.debug("other deleted %s\n" % f) | |
| 941 pass # other deleted it | |
| 942 else: | |
| 943 self.ui.debug("local created %s\n" %f) | |
| 944 nmap[f] = mid # we created it | |
| 945 | |
| 946 del mmap | |
| 947 | |
| 948 for f, oid in omap.iteritems(): | |
| 949 if f in amap: | |
| 950 if oid != amap[f]: | |
| 951 r = self.ui.prompt( | |
| 952 ("remote changed %s which local deleted\n" % f) + | |
| 953 "(k)eep or (d)elete?", "[kd]", "k") | |
| 954 if r == "k": nmap[f] = oid | |
| 955 else: | |
| 956 pass # probably safe | |
| 957 else: | |
| 958 self.ui.debug("remote created %s, do resolve\n" % f) | |
| 959 need[f] = oid | |
| 960 | |
| 961 del omap | |
| 962 del amap | |
| 963 | |
| 964 new = need.keys() | |
| 965 new.sort() | |
| 966 | |
| 46 | 967 # process the files |
| 94 | 968 self.ui.status("adding files\n") |
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969 while 1: |
| 192 | 970 f = getchunk() |
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971 if not f: break |
| 94 | 972 self.ui.debug("adding %s revisions\n" % f) |
| 46 | 973 fl = self.file(f) |
| 974 o = fl.tip() | |
| 192 | 975 n = fl.addgroup(getgroup(), lambda x: self.changelog.rev(x), tr) |
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976 revisions += fl.rev(n) - fl.rev(o) |
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977 files += 1 |
| 146 | 978 if f in need: |
| 979 del need[f] | |
| 980 # manifest resolve determined we need to merge the tips | |
| 981 nmap[f] = self.merge3(fl, f, o, n, tr, resolverev) | |
| 982 | |
| 983 if need: | |
| 984 # we need to do trivial merges on local files | |
| 985 for f in new: | |
| 986 if f not in need: continue | |
| 987 fl = self.file(f) | |
| 988 nmap[f] = self.merge3(fl, f, need[f], fl.tip(), tr, resolverev) | |
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989 revisions += 1 |
| 46 | 990 |
| 991 # For simple merges, we don't need to resolve manifests or changesets | |
| 992 if simple: | |
| 90 | 993 self.ui.debug("simple merge, skipping resolve\n") |
| 192 | 994 self.ui.status(("modified %d files, added %d changesets" + |
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995 " and %d new revisions\n") |
| 192 | 996 % (files, changesets, revisions)) |
| 46 | 997 tr.close() |
| 998 return | |
| 999 | |
| 1000 node = self.manifest.add(nmap, tr, resolverev, mm, mo) | |
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1001 revisions += 1 |
| 46 | 1002 |
| 1003 # Now all files and manifests are merged, we add the changed files | |
| 1004 # and manifest id to the changelog | |
| 1005 self.ui.status("committing merge changeset\n") | |
| 1006 if co == cn: cn = -1 | |
| 1007 | |
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1008 edittext = "\nHG: merge resolve\n" + \ |
| 187 | 1009 "HG: manifest hash %s\n" % hex(node) + \ |
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1010 "".join(["HG: changed %s\n" % f for f in new]) |
| 46 | 1011 edittext = self.ui.edit(edittext) |
| 1012 n = self.changelog.add(node, new, edittext, tr, co, cn) | |
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1013 revisions += 1 |
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1014 |
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1015 self.ui.status("added %d changesets, %d files, and %d new revisions\n" |
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1016 % (changesets, files, revisions)) |
| 46 | 1017 |
| 1018 tr.close() | |
| 1019 | |
| 96 | 1020 def merge3(self, fl, fn, my, other, transaction, link): |
| 1021 """perform a 3-way merge and append the result""" | |
| 1022 | |
| 1023 def temp(prefix, node): | |
| 1024 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 1025 (fd, name) = tempfile.mkstemp("", pre) | |
| 1026 f = os.fdopen(fd, "w") | |
| 1027 f.write(fl.revision(node)) | |
| 1028 f.close() | |
| 1029 return name | |
| 1030 | |
| 1031 base = fl.ancestor(my, other) | |
| 1032 self.ui.note("resolving %s\n" % fn) | |
| 1033 self.ui.debug("local %s remote %s ancestor %s\n" % | |
| 1034 (short(my), short(other), short(base))) | |
| 1035 | |
| 1036 if my == base: | |
| 1037 text = fl.revision(other) | |
| 1038 else: | |
| 1039 a = temp("local", my) | |
| 1040 b = temp("remote", other) | |
| 1041 c = temp("parent", base) | |
| 1042 | |
| 1043 cmd = os.environ["HGMERGE"] | |
| 1044 self.ui.debug("invoking merge with %s\n" % cmd) | |
| 149 | 1045 r = os.system("%s %s %s %s %s" % (cmd, a, b, c, fn)) |
| 96 | 1046 if r: |
| 1047 raise "Merge failed!" | |
| 1048 | |
| 1049 text = open(a).read() | |
| 1050 os.unlink(a) | |
| 1051 os.unlink(b) | |
| 1052 os.unlink(c) | |
| 1053 | |
| 171 | 1054 return fl.add(text, transaction, link, my, other) |
| 96 | 1055 |
| 60 | 1056 class remoterepository: |
| 1057 def __init__(self, ui, path): | |
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1058 self.url = path |
| 60 | 1059 self.ui = ui |
| 1060 | |
| 1061 def do_cmd(self, cmd, **args): | |
| 83 | 1062 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 1063 q = {"cmd": cmd} |
| 1064 q.update(args) | |
| 1065 qs = urllib.urlencode(q) | |
| 1066 cu = "%s?%s" % (self.url, qs) | |
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1067 return urllib.urlopen(cu) |
| 60 | 1068 |
| 222 | 1069 def heads(self): |
| 1070 d = self.do_cmd("heads").read() | |
| 1071 try: | |
| 1072 return map(bin, d[:-1].split(" ")) | |
| 1073 except: | |
| 1074 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1075 raise | |
| 1076 | |
| 60 | 1077 def branches(self, nodes): |
| 1078 n = " ".join(map(hex, nodes)) | |
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1079 d = self.do_cmd("branches", nodes=n).read() |
| 217 | 1080 try: |
| 1081 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
| 1082 return br | |
| 1083 except: | |
| 1084 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1085 raise | |
| 60 | 1086 |
| 1087 def between(self, pairs): | |
| 1088 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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1089 d = self.do_cmd("between", pairs=n).read() |
| 217 | 1090 try: |
| 1091 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
| 1092 return p | |
| 1093 except: | |
| 1094 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1095 raise | |
| 60 | 1096 |
| 1097 def changegroup(self, nodes): | |
| 1098 n = " ".join(map(hex, nodes)) | |
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1099 zd = zlib.decompressobj() |
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1100 f = self.do_cmd("changegroup", roots=n) |
| 192 | 1101 bytes = 0 |
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1102 while 1: |
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1103 d = f.read(4096) |
| 192 | 1104 bytes += len(d) |
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1105 if not d: |
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1106 yield zd.flush() |
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1107 break |
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1108 yield zd.decompress(d) |
| 192 | 1109 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 1110 |
| 1111 def repository(ui, path=None, create=0): | |
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1112 if path and path[:7] == "http://": |
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1113 return remoterepository(ui, path) |
| 60 | 1114 if path and path[:5] == "hg://": |
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1115 return remoterepository(ui, path.replace("hg://", "http://")) |
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1116 if path and path[:11] == "old-http://": |
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1117 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 1118 else: |
| 1119 return localrepository(ui, path, create) | |
| 1120 | |
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1121 class httprangereader: |
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1122 def __init__(self, url): |
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1123 self.url = url |
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1124 self.pos = 0 |
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1125 def seek(self, pos): |
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1126 self.pos = pos |
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1127 def read(self, bytes=None): |
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1128 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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1129 urllib2.install_opener(opener) |
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1130 req = urllib2.Request(self.url) |
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1131 end = '' |
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1132 if bytes: end = self.pos + bytes |
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1133 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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1134 f = urllib2.urlopen(req) |
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1135 return f.read() |