Mercurial > hg > gitserve
annotate mercurial/hg.py @ 262:3db700146536
implement demand loading hack
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implement demand loading hack
This attempts to speed up start-up times without pushing imports down
into local scopes.
manifest hash: f9c18897e67f7872b44f5c89bdde00edfc3628ce
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| author | mpm@selenic.com |
|---|---|
| date | Sun, 05 Jun 2005 10:48:39 -0800 |
| parents | 649ed23e4661 |
| children | e8eb427c6d71 |
| 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 |
| 262 | 9 from revlog import * |
| 10 from demandload import * | |
| 11 demandload(globals(), "re lock urllib urllib2 transaction time socket") | |
| 12 demandload(globals(), "tempfile byterange difflib") | |
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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 = [] |
| 262 | 35 sm = difflib.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): | |
| 141 user = (user or | |
| 142 os.environ.get("HGUSER") or | |
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143 os.environ.get("EMAIL") or |
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144 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn()) |
| 203 | 145 date = date or "%d %d" % (time.time(), time.timezone) |
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146 list.sort() |
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147 l = [hex(manifest), user, date] + list + ["", desc] |
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148 text = "\n".join(l) |
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149 return self.addrevision(text, transaction, self.count(), p1, p2) |
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150 |
| 220 | 151 class dirstate: |
| 244 | 152 def __init__(self, opener, ui, root): |
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153 self.opener = opener |
| 244 | 154 self.root = root |
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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 | |
| 231 | 213 m needs merging |
| 220 | 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: | |
| 253 | 224 s = os.stat(os.path.join(self.root, f)) |
| 225 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime) | |
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226 |
| 220 | 227 def forget(self, files): |
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228 if not files: return |
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229 self.read() |
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230 self.dirty = 1 |
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231 for f in files: |
| 20 | 232 try: |
| 233 del self.map[f] | |
| 234 except KeyError: | |
| 220 | 235 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 236 pass |
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237 |
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238 def clear(self): |
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239 self.map = {} |
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240 self.dirty = 1 |
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241 |
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242 def write(self): |
| 220 | 243 st = self.opener("dirstate", "w") |
| 227 | 244 st.write("".join(self.pl)) |
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245 for f, e in self.map.items(): |
| 220 | 246 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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247 st.write(e + f) |
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248 self.dirty = 0 |
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249 |
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250 def copy(self): |
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251 self.read() |
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252 return self.map.copy() |
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253 |
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254 # used to avoid circular references so destructors work |
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255 def opener(base): |
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256 p = base |
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257 def o(path, mode="r"): |
|
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258 if p[:7] == "http://": |
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259 f = os.path.join(p, urllib.quote(path)) |
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260 return httprangereader(f) |
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261 |
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262 f = os.path.join(p, path) |
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263 |
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264 if mode != "r": |
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265 try: |
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266 s = os.stat(f) |
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267 except OSError: |
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268 d = os.path.dirname(f) |
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269 if not os.path.isdir(d): |
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270 os.makedirs(d) |
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271 else: |
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272 if s.st_nlink > 1: |
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273 file(f + ".tmp", "w").write(file(f).read()) |
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274 os.rename(f+".tmp", f) |
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275 |
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276 return file(f, mode) |
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277 |
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278 return o |
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279 |
| 60 | 280 class localrepository: |
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281 def __init__(self, ui, path=None, create=0): |
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282 self.remote = 0 |
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283 if path and path[:7] == "http://": |
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284 self.remote = 1 |
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285 self.path = path |
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286 else: |
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287 if not path: |
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288 p = os.getcwd() |
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289 while not os.path.isdir(os.path.join(p, ".hg")): |
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290 p = os.path.dirname(p) |
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291 if p == "/": raise "No repo found" |
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292 path = p |
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293 self.path = os.path.join(path, ".hg") |
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294 |
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295 self.root = path |
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296 self.ui = ui |
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297 |
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298 if create: |
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299 os.mkdir(self.path) |
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300 os.mkdir(self.join("data")) |
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301 |
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302 self.opener = opener(self.path) |
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303 self.manifest = manifest(self.opener) |
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304 self.changelog = changelog(self.opener) |
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305 self.ignorelist = None |
| 67 | 306 self.tags = None |
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307 |
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308 if not self.remote: |
| 244 | 309 self.dirstate = dirstate(self.opener, ui, self.root) |
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310 |
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311 def ignore(self, f): |
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312 if self.ignorelist is None: |
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313 self.ignorelist = [] |
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314 try: |
| 67 | 315 l = open(os.path.join(self.root, ".hgignore")) |
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316 for pat in l: |
| 9 | 317 if pat != "\n": |
| 318 self.ignorelist.append(re.compile(pat[:-1])) | |
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319 except IOError: pass |
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320 for pat in self.ignorelist: |
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321 if pat.search(f): return True |
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322 return False |
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323 |
| 67 | 324 def lookup(self, key): |
| 325 if self.tags is None: | |
| 326 self.tags = {} | |
| 327 try: | |
| 254 | 328 # read each head of the tags file, ending with the tip |
| 329 # and add each tag found to the map, with "newer" ones | |
| 330 # taking precedence | |
| 67 | 331 fl = self.file(".hgtags") |
| 254 | 332 h = fl.heads() |
| 333 h.reverse() | |
| 334 for r in h: | |
| 335 for l in fl.revision(r).splitlines(): | |
| 336 if l: | |
| 337 n, k = l.split(" ") | |
| 338 self.tags[k] = bin(n) | |
| 67 | 339 except KeyError: pass |
| 340 try: | |
| 341 return self.tags[key] | |
| 342 except KeyError: | |
| 343 return self.changelog.lookup(key) | |
| 344 | |
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345 def join(self, f): |
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346 return os.path.join(self.path, f) |
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347 |
| 244 | 348 def wjoin(self, f): |
| 349 return os.path.join(self.root, f) | |
| 350 | |
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351 def file(self, f): |
| 192 | 352 if f[0] == '/': f = f[1:] |
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353 return filelog(self.opener, f) |
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354 |
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355 def transaction(self): |
| 251 | 356 # save dirstate for undo |
| 357 ds = self.opener("dirstate").read() | |
| 358 self.opener("undo.dirstate", "w").write(ds) | |
| 262 | 359 |
| 360 return transaction.transaction(self.opener, self.join("journal"), | |
| 361 self.join("undo")) | |
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362 |
| 210 | 363 def recover(self): |
| 225 | 364 lock = self.lock() |
| 210 | 365 if os.path.exists(self.join("recover")): |
| 366 self.ui.status("attempting to rollback interrupted transaction\n") | |
| 262 | 367 return transaction.rollback(self.opener, self.join("recover")) |
| 210 | 368 else: |
| 369 self.ui.warn("no interrupted transaction available\n") | |
| 370 | |
| 371 def undo(self): | |
| 225 | 372 lock = self.lock() |
| 210 | 373 if os.path.exists(self.join("undo")): |
| 374 self.ui.status("attempting to rollback last transaction\n") | |
| 262 | 375 transaction.rollback(self.opener, self.join("undo")) |
| 251 | 376 self.dirstate = None |
| 377 os.rename(self.join("undo.dirstate"), self.join("dirstate")) | |
| 378 self.dirstate = dirstate(self.opener, self.ui, self.root) | |
| 163 | 379 else: |
| 210 | 380 self.ui.warn("no undo information available\n") |
| 162 | 381 |
| 161 | 382 def lock(self, wait = 1): |
| 383 try: | |
| 384 return lock.lock(self.join("lock"), 0) | |
| 385 except lock.LockHeld, inst: | |
| 386 if wait: | |
| 387 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 388 return lock.lock(self.join("lock"), wait) | |
| 389 raise inst | |
| 390 | |
| 203 | 391 def rawcommit(self, files, text, user, date, p1=None, p2=None): |
| 228 | 392 p1 = p1 or self.dirstate.parents()[0] or nullid |
| 393 p2 = p2 or self.dirstate.parents()[1] or nullid | |
| 203 | 394 pchange = self.changelog.read(p1) |
| 395 pmmap = self.manifest.read(pchange[0]) | |
| 396 tr = self.transaction() | |
| 397 mmap = {} | |
| 398 linkrev = self.changelog.count() | |
| 399 for f in files: | |
| 400 try: | |
| 401 t = file(f).read() | |
| 402 except IOError: | |
| 403 self.ui.warn("Read file %s error, skipped\n" % f) | |
| 404 continue | |
| 405 r = self.file(f) | |
| 228 | 406 # FIXME - need to find both parents properly |
| 203 | 407 prev = pmmap.get(f, nullid) |
| 408 mmap[f] = r.add(t, tr, linkrev, prev) | |
| 409 | |
| 410 mnode = self.manifest.add(mmap, tr, linkrev, pchange[0]) | |
| 411 n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, ) | |
| 412 tr.close() | |
| 228 | 413 self.dirstate.setparents(p1, p2) |
| 220 | 414 self.dirstate.clear() |
| 415 self.dirstate.update(mmap.keys(), "n") | |
| 203 | 416 |
| 229 | 417 def commit(self, files = None, text = ""): |
| 220 | 418 commit = [] |
| 419 remove = [] | |
| 420 if files: | |
| 421 for f in files: | |
| 422 s = self.dirstate.state(f) | |
| 244 | 423 if s in 'nmai': |
| 220 | 424 commit.append(f) |
| 425 elif s == 'r': | |
| 426 remove.append(f) | |
| 427 else: | |
| 244 | 428 self.ui.warn("%s not tracked!\n" % f) |
| 220 | 429 else: |
| 230 | 430 (c, a, d, u) = self.diffdir(self.root) |
| 220 | 431 commit = c + a |
| 432 remove = d | |
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433 |
| 220 | 434 if not commit and not remove: |
| 151 | 435 self.ui.status("nothing changed\n") |
| 436 return | |
| 437 | |
| 229 | 438 p1, p2 = self.dirstate.parents() |
| 439 c1 = self.changelog.read(p1) | |
| 440 c2 = self.changelog.read(p2) | |
| 441 m1 = self.manifest.read(c1[0]) | |
| 442 m2 = self.manifest.read(c2[0]) | |
| 225 | 443 lock = self.lock() |
| 151 | 444 tr = self.transaction() |
| 445 | |
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446 # check in files |
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447 new = {} |
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448 linkrev = self.changelog.count() |
| 220 | 449 commit.sort() |
| 450 for f in commit: | |
| 83 | 451 self.ui.note(f + "\n") |
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452 try: |
| 244 | 453 t = file(self.wjoin(f)).read() |
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454 except IOError: |
| 220 | 455 self.warn("trouble committing %s!\n" % f) |
| 456 raise | |
| 457 | |
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458 r = self.file(f) |
| 229 | 459 fp1 = m1.get(f, nullid) |
| 460 fp2 = m2.get(f, nullid) | |
| 461 new[f] = r.add(t, tr, linkrev, fp1, fp2) | |
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462 |
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463 # update manifest |
| 229 | 464 m1.update(new) |
| 465 for f in remove: del m1[f] | |
| 466 mn = self.manifest.add(m1, tr, linkrev, c1[0], c2[0]) | |
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467 |
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468 # add changeset |
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469 new = new.keys() |
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470 new.sort() |
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471 |
| 229 | 472 edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mn) |
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473 edittext += "".join(["HG: changed %s\n" % f for f in new]) |
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474 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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475 edittext = self.ui.edit(edittext) |
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476 |
| 229 | 477 n = self.changelog.add(mn, new, edittext, tr, p1, p2) |
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478 tr.close() |
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479 |
| 229 | 480 self.dirstate.setparents(n) |
| 220 | 481 self.dirstate.update(new, "n") |
| 482 self.dirstate.forget(remove) | |
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483 |
| 230 | 484 def diffdir(self, path, changeset = None): |
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485 changed = [] |
| 220 | 486 added = [] |
| 487 unknown = [] | |
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488 mf = {} |
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489 |
| 29 | 490 if changeset: |
| 491 change = self.changelog.read(changeset) | |
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492 mf = self.manifest.read(change[0]) |
| 230 | 493 dc = dict.fromkeys(mf) |
| 494 else: | |
| 495 changeset = self.dirstate.parents()[0] | |
| 496 change = self.changelog.read(changeset) | |
| 497 mf = self.manifest.read(change[0]) | |
| 220 | 498 dc = self.dirstate.copy() |
| 29 | 499 |
| 500 def fcmp(fn): | |
| 244 | 501 t1 = file(self.wjoin(fn)).read() |
| 29 | 502 t2 = self.file(fn).revision(mf[fn]) |
| 503 return cmp(t1, t2) | |
| 504 | |
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505 for dir, subdirs, files in os.walk(self.root): |
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506 d = dir[len(self.root)+1:] |
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507 if ".hg" in subdirs: subdirs.remove(".hg") |
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508 |
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509 for f in files: |
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510 fn = os.path.join(d, f) |
| 64 | 511 try: s = os.stat(os.path.join(self.root, fn)) |
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512 except: continue |
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513 if fn in dc: |
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514 c = dc[fn] |
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515 del dc[fn] |
| 220 | 516 if not c: |
| 29 | 517 if fcmp(fn): |
| 518 changed.append(fn) | |
| 231 | 519 elif c[0] == 'm': |
| 520 changed.append(fn) | |
| 220 | 521 elif c[0] == 'a': |
| 522 added.append(fn) | |
| 523 elif c[0] == 'r': | |
| 524 unknown.append(fn) | |
| 525 elif c[2] != s.st_size: | |
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526 changed.append(fn) |
| 220 | 527 elif c[1] != s.st_mode or c[3] != s.st_mtime: |
| 29 | 528 if fcmp(fn): |
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529 changed.append(fn) |
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530 else: |
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531 if self.ignore(fn): continue |
| 220 | 532 unknown.append(fn) |
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533 |
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534 deleted = dc.keys() |
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535 deleted.sort() |
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536 |
| 220 | 537 return (changed, added, deleted, unknown) |
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538 |
| 32 | 539 def diffrevs(self, node1, node2): |
| 33 | 540 changed, added = [], [] |
| 32 | 541 |
| 542 change = self.changelog.read(node1) | |
| 543 mf1 = self.manifest.read(change[0]) | |
| 33 | 544 change = self.changelog.read(node2) |
| 32 | 545 mf2 = self.manifest.read(change[0]) |
| 546 | |
| 547 for fn in mf2: | |
| 548 if mf1.has_key(fn): | |
| 549 if mf1[fn] != mf2[fn]: | |
| 550 changed.append(fn) | |
| 551 del mf1[fn] | |
| 552 else: | |
| 553 added.append(fn) | |
| 554 | |
| 555 deleted = mf1.keys() | |
| 556 deleted.sort() | |
| 557 | |
| 558 return (changed, added, deleted) | |
| 559 | |
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560 def add(self, list): |
| 220 | 561 for f in list: |
| 244 | 562 p = self.wjoin(f) |
| 220 | 563 if not os.path.isfile(p): |
| 564 self.ui.warn("%s does not exist!\n" % f) | |
| 565 elif self.dirstate.state(f) == 'n': | |
| 566 self.ui.warn("%s already tracked!\n" % f) | |
| 567 else: | |
| 568 self.dirstate.update([f], "a") | |
| 569 | |
| 570 def forget(self, list): | |
| 571 for f in list: | |
| 572 if self.dirstate.state(f) not in 'ai': | |
| 573 self.ui.warn("%s not added!\n" % f) | |
| 574 else: | |
| 575 self.dirstate.forget([f]) | |
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576 |
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577 def remove(self, list): |
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578 for f in list: |
| 244 | 579 p = self.wjoin(f) |
| 220 | 580 if os.path.isfile(p): |
| 581 self.ui.warn("%s still exists!\n" % f) | |
| 582 elif f not in self.dirstate: | |
| 583 self.ui.warn("%s not tracked!\n" % f) | |
| 584 else: | |
| 585 self.dirstate.update([f], "r") | |
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586 |
| 222 | 587 def heads(self): |
| 588 return self.changelog.heads() | |
| 589 | |
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590 def branches(self, nodes): |
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591 if not nodes: nodes = [self.changelog.tip()] |
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592 b = [] |
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593 for n in nodes: |
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594 t = n |
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595 while n: |
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596 p = self.changelog.parents(n) |
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597 if p[1] != nullid or p[0] == nullid: |
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598 b.append((t, n, p[0], p[1])) |
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599 break |
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600 n = p[0] |
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601 return b |
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602 |
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603 def between(self, pairs): |
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604 r = [] |
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605 |
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606 for top, bottom in pairs: |
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607 n, l, i = top, [], 0 |
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608 f = 1 |
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609 |
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610 while n != bottom: |
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611 p = self.changelog.parents(n)[0] |
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612 if i == f: |
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613 l.append(n) |
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614 f = f * 2 |
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615 n = p |
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616 i += 1 |
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617 |
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618 r.append(l) |
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619 |
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620 return r |
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621 |
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622 def newer(self, nodes): |
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623 m = {} |
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624 nl = [] |
| 94 | 625 pm = {} |
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626 cl = self.changelog |
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627 t = l = cl.count() |
| 94 | 628 |
| 629 # find the lowest numbered node | |
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630 for n in nodes: |
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631 l = min(l, cl.rev(n)) |
| 94 | 632 m[n] = 1 |
| 46 | 633 |
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634 for i in xrange(l, t): |
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635 n = cl.node(i) |
| 94 | 636 if n in m: # explicitly listed |
| 637 pm[n] = 1 | |
| 638 nl.append(n) | |
| 639 continue | |
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640 for p in cl.parents(n): |
| 94 | 641 if p in pm: # parent listed |
| 642 pm[n] = 1 | |
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643 nl.append(n) |
| 94 | 644 break |
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645 |
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646 return nl |
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647 |
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648 def getchangegroup(self, remote): |
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649 m = self.changelog.nodemap |
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650 search = [] |
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651 fetch = [] |
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652 seen = {} |
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653 seenbranch = {} |
| 192 | 654 |
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655 # if we have an empty repo, fetch everything |
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656 if self.changelog.tip() == nullid: |
| 222 | 657 self.ui.status("requesting all changes\n") |
|
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658 return remote.changegroup([nullid]) |
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659 |
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660 # otherwise, assume we're closer to the tip than the root |
| 222 | 661 self.ui.status("searching for changes\n") |
| 662 heads = remote.heads() | |
| 663 unknown = [] | |
| 664 for h in heads: | |
| 665 if h not in m: | |
| 666 unknown.append(h) | |
| 46 | 667 |
| 222 | 668 if not unknown: |
| 192 | 669 self.ui.status("nothing to do!\n") |
| 60 | 670 return None |
| 222 | 671 |
| 672 unknown = remote.branches(unknown) | |
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673 while unknown: |
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674 n = unknown.pop(0) |
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675 seen[n[0]] = 1 |
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676 |
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677 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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678 if n == nullid: break |
|
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679 if n in seenbranch: |
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680 self.ui.debug("branch already found\n") |
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681 continue |
|
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682 if n[1] and n[1] in m: # do we know the base? |
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683 self.ui.debug("found incomplete branch %s:%s\n" |
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684 % (short(n[0]), short(n[1]))) |
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685 search.append(n) # schedule branch range for scanning |
|
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686 seenbranch[n] = 1 |
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687 else: |
| 94 | 688 if n[2] in m and n[3] in m: |
| 689 if n[1] not in fetch: | |
| 690 self.ui.debug("found new changeset %s\n" % | |
| 691 short(n[1])) | |
| 692 fetch.append(n[1]) # earliest unknown | |
| 693 continue | |
|
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694 |
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695 r = [] |
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696 for a in n[2:4]: |
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697 if a not in seen: r.append(a) |
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698 |
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699 if r: |
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700 self.ui.debug("requesting %s\n" % |
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701 " ".join(map(short, r))) |
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702 for b in remote.branches(r): |
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703 self.ui.debug("received %s:%s\n" % |
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704 (short(b[0]), short(b[1]))) |
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705 if b[0] not in m and b[0] not in seen: |
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706 unknown.append(b) |
|
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707 |
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708 while search: |
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709 n = search.pop(0) |
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710 l = remote.between([(n[0], n[1])])[0] |
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711 p = n[0] |
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712 f = 1 |
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713 for i in l + [n[1]]: |
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714 if i in m: |
| 85 | 715 if f <= 2: |
| 83 | 716 self.ui.debug("found new branch changeset %s\n" % |
| 717 short(p)) | |
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718 fetch.append(p) |
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719 else: |
| 83 | 720 self.ui.debug("narrowed branch search to %s:%s\n" |
| 721 % (short(p), short(i))) | |
|
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722 search.append((p, i)) |
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723 break |
|
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724 p, f = i, f * 2 |
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725 |
|
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726 for f in fetch: |
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727 if f in m: |
| 83 | 728 raise "already have", short(f[:4]) |
| 729 | |
| 94 | 730 self.ui.note("adding new changesets starting at " + |
| 83 | 731 " ".join([short(f) for f in fetch]) + "\n") |
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732 |
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733 return remote.changegroup(fetch) |
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734 |
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735 def changegroup(self, basenodes): |
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736 nodes = self.newer(basenodes) |
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737 |
| 46 | 738 # construct the link map |
| 739 linkmap = {} | |
| 740 for n in nodes: | |
| 741 linkmap[self.changelog.rev(n)] = n | |
| 742 | |
| 743 # construct a list of all changed files | |
| 744 changed = {} | |
| 745 for n in nodes: | |
| 746 c = self.changelog.read(n) | |
| 747 for f in c[3]: | |
| 748 changed[f] = 1 | |
| 749 changed = changed.keys() | |
| 750 changed.sort() | |
| 751 | |
| 752 # the changegroup is changesets + manifests + all file revs | |
| 753 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 754 | |
| 192 | 755 for y in self.changelog.group(linkmap): yield y |
| 756 for y in self.manifest.group(linkmap): yield y | |
| 46 | 757 for f in changed: |
| 192 | 758 yield struct.pack(">l", len(f) + 4) + f |
| 46 | 759 g = self.file(f).group(linkmap) |
| 192 | 760 for y in g: |
| 761 yield y | |
| 46 | 762 |
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763 def addchangegroup(self, generator): |
| 222 | 764 |
| 765 class genread: | |
| 766 def __init__(self, generator): | |
| 767 self.g = generator | |
| 768 self.buf = "" | |
| 769 def read(self, l): | |
| 770 while l > len(self.buf): | |
| 771 try: | |
| 772 self.buf += self.g.next() | |
| 773 except StopIteration: | |
| 774 break | |
| 775 d, self.buf = self.buf[:l], self.buf[l:] | |
| 776 return d | |
| 777 | |
| 778 def getchunk(): | |
| 779 d = source.read(4) | |
| 780 if not d: return "" | |
| 781 l = struct.unpack(">l", d)[0] | |
| 782 if l <= 4: return "" | |
| 783 return source.read(l - 4) | |
| 784 | |
| 785 def getgroup(): | |
| 786 while 1: | |
| 787 c = getchunk() | |
| 788 if not c: break | |
| 789 yield c | |
| 790 | |
| 791 def csmap(x): | |
| 792 self.ui.debug("add changeset %s\n" % short(x)) | |
| 793 return self.changelog.count() | |
| 794 | |
| 795 def revmap(x): | |
| 796 return self.changelog.rev(x) | |
| 797 | |
| 798 if not generator: return | |
| 799 changesets = files = revisions = 0 | |
| 225 | 800 |
| 222 | 801 source = genread(generator) |
| 225 | 802 lock = self.lock() |
| 222 | 803 tr = self.transaction() |
| 804 | |
| 805 # pull off the changeset group | |
| 806 self.ui.status("adding changesets\n") | |
| 807 co = self.changelog.tip() | |
|
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808 cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique |
| 222 | 809 changesets = self.changelog.rev(cn) - self.changelog.rev(co) |
| 810 | |
| 811 # pull off the manifest group | |
| 812 self.ui.status("adding manifests\n") | |
| 813 mm = self.manifest.tip() | |
| 814 mo = self.manifest.addgroup(getgroup(), revmap, tr) | |
| 815 | |
| 816 # process the files | |
| 817 self.ui.status("adding file revisions\n") | |
| 818 while 1: | |
| 819 f = getchunk() | |
| 820 if not f: break | |
| 821 self.ui.debug("adding %s revisions\n" % f) | |
| 822 fl = self.file(f) | |
| 823 o = fl.tip() | |
| 824 n = fl.addgroup(getgroup(), revmap, tr) | |
| 825 revisions += fl.rev(n) - fl.rev(o) | |
| 826 files += 1 | |
| 827 | |
| 828 self.ui.status(("modified %d files, added %d changesets" + | |
| 829 " and %d new revisions\n") | |
| 830 % (files, changesets, revisions)) | |
| 831 | |
| 832 tr.close() | |
| 833 return | |
| 834 | |
| 254 | 835 def update(self, node): |
|
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836 pl = self.dirstate.parents() |
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837 if pl[1] != nullid: |
| 254 | 838 self.ui.warn("aborting: outstanding uncommitted merges\n") |
| 46 | 839 return |
| 840 | |
|
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841 p1, p2 = pl[0], node |
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842 m1n = self.changelog.read(p1)[0] |
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843 m2n = self.changelog.read(p2)[0] |
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844 man = self.manifest.ancestor(m1n, m2n) |
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845 m1 = self.manifest.read(m1n) |
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846 m2 = self.manifest.read(m2n) |
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847 ma = self.manifest.read(man) |
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848 |
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849 (c, a, d, u) = self.diffdir(self.root) |
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850 |
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851 # resolve the manifest to determine which files |
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852 # we care about merging |
| 254 | 853 self.ui.note("resolving manifests\n") |
|
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854 self.ui.debug(" ancestor %s local %s remote %s\n" % |
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855 (short(man), short(m1n), short(m2n))) |
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856 |
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857 merge = {} |
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858 get = {} |
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859 remove = [] |
| 46 | 860 |
|
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861 # construct a working dir manifest |
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862 mw = m1.copy() |
| 254 | 863 for f in a + c + u: |
| 864 mw[f] = "" | |
|
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865 for f in d: |
| 254 | 866 if f in mw: del mw[f] |
|
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867 |
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868 for f, n in mw.iteritems(): |
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869 if f in m2: |
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870 if n != m2[f]: |
| 254 | 871 a = ma.get(f, nullid) |
| 872 if n != a and m2[f] != a: | |
| 873 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 874 merge[f] = (m1.get(f, nullid), m2[f]) | |
| 875 else: | |
| 876 get[f] = m2[f] | |
|
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877 del m2[f] |
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878 elif f in ma: |
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879 if n != ma[f]: |
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880 r = self.ui.prompt( |
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881 (" local changed %s which remote deleted\n" % f) + |
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882 "(k)eep or (d)elete?", "[kd]", "k") |
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883 if r == "d": |
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884 remove.append(f) |
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885 else: |
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886 self.ui.debug("other deleted %s\n" % f) |
| 254 | 887 remove.append(f) # other deleted it |
|
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888 else: |
| 254 | 889 if n == m1.get(f, nullid): # same as parent |
| 890 self.ui.debug("remote deleted %s\n" % f) | |
| 891 remove.append(f) | |
| 892 else: | |
| 893 self.ui.debug("working dir created %s, keeping\n" % f) | |
| 46 | 894 |
|
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895 for f, n in m2.iteritems(): |
| 256 | 896 if f[0] == "/": continue |
| 254 | 897 if f in ma and n != ma[f]: |
|
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898 r = self.ui.prompt( |
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899 ("remote changed %s which local deleted\n" % f) + |
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900 "(k)eep or (d)elete?", "[kd]", "k") |
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901 if r == "d": remove.append(f) |
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902 else: |
| 254 | 903 self.ui.debug("remote created %s\n" % f) |
|
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904 get[f] = n |
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905 |
|
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906 del mw, m1, m2, ma |
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907 |
| 254 | 908 if not merge: |
| 909 # we don't need to do any magic, just jump to the new rev | |
| 910 mode = 'n' | |
| 911 p1, p2 = p2, nullid | |
| 912 else: | |
| 913 # we have to remember what files we needed to get/change | |
| 914 # because any file that's different from either one of its | |
| 915 # parents must be in the changeset | |
| 916 mode = 'm' | |
| 917 | |
|
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918 self.dirstate.setparents(p1, p2) |
|
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919 |
|
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920 # get the files we don't need to change |
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921 files = get.keys() |
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922 files.sort() |
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923 for f in files: |
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924 if f[0] == "/": continue |
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925 self.ui.note(f, "\n") |
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926 t = self.file(f).revision(get[f]) |
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927 try: |
| 244 | 928 file(self.wjoin(f), "w").write(t) |
|
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929 except IOError: |
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930 os.makedirs(os.path.dirname(f)) |
| 244 | 931 file(self.wjoin(f), "w").write(t) |
| 254 | 932 self.dirstate.update([f], mode) |
| 46 | 933 |
|
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934 # merge the tricky bits |
|
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935 files = merge.keys() |
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936 files.sort() |
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937 for f in files: |
| 256 | 938 self.ui.status("merging %s\n" % f) |
|
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939 m, o = merge[f] |
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940 self.merge3(f, m, o) |
| 254 | 941 self.dirstate.update([f], 'm') |
|
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942 |
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943 for f in remove: |
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944 self.ui.note("removing %s\n" % f) |
| 254 | 945 os.unlink(f) |
| 946 if mode == 'n': | |
| 947 self.dirstate.forget(remove) | |
| 948 else: | |
| 949 self.dirstate.update(remove, 'r') | |
|
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950 |
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951 def merge3(self, fn, my, other): |
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952 """perform a 3-way merge in the working directory""" |
| 249 | 953 |
| 96 | 954 def temp(prefix, node): |
| 955 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 956 (fd, name) = tempfile.mkstemp("", pre) | |
| 957 f = os.fdopen(fd, "w") | |
| 958 f.write(fl.revision(node)) | |
| 959 f.close() | |
| 960 return name | |
| 961 | |
|
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962 fl = self.file(fn) |
| 96 | 963 base = fl.ancestor(my, other) |
| 244 | 964 a = self.wjoin(fn) |
|
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965 b = temp("other", other) |
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966 c = temp("base", base) |
| 96 | 967 |
|
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968 self.ui.note("resolving %s\n" % fn) |
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969 self.ui.debug("file %s: other %s ancestor %s\n" % |
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970 (fn, short(other), short(base))) |
| 96 | 971 |
| 240 | 972 cmd = os.environ.get("HGMERGE", "hgmerge") |
| 973 r = os.system("%s %s %s %s" % (cmd, a, b, c)) | |
|
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974 if r: |
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975 self.ui.warn("merging %s failed!\n" % f) |
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976 |
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977 os.unlink(b) |
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978 os.unlink(c) |
| 96 | 979 |
| 247 | 980 def verify(self): |
| 981 filelinkrevs = {} | |
| 982 filenodes = {} | |
| 983 manifestchangeset = {} | |
| 984 changesets = revisions = files = 0 | |
| 985 errors = 0 | |
| 986 | |
| 987 self.ui.status("checking changesets\n") | |
| 988 for i in range(self.changelog.count()): | |
| 989 changesets += 1 | |
| 990 n = self.changelog.node(i) | |
| 991 for p in self.changelog.parents(n): | |
| 992 if p not in self.changelog.nodemap: | |
| 993 self.ui.warn("changeset %s has unknown parent %s\n" % | |
| 994 (short(n), short(p))) | |
| 995 errors += 1 | |
| 996 try: | |
| 997 changes = self.changelog.read(n) | |
| 998 except Exception, inst: | |
| 999 self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) | |
| 1000 errors += 1 | |
| 1001 | |
| 1002 manifestchangeset[changes[0]] = n | |
| 1003 for f in changes[3]: | |
| 1004 filelinkrevs.setdefault(f, []).append(i) | |
| 1005 | |
| 1006 self.ui.status("checking manifests\n") | |
| 1007 for i in range(self.manifest.count()): | |
| 1008 n = self.manifest.node(i) | |
| 1009 for p in self.manifest.parents(n): | |
| 1010 if p not in self.manifest.nodemap: | |
| 1011 self.ui.warn("manifest %s has unknown parent %s\n" % | |
| 1012 (short(n), short(p))) | |
| 1013 errors += 1 | |
| 1014 ca = self.changelog.node(self.manifest.linkrev(n)) | |
| 1015 cc = manifestchangeset[n] | |
| 1016 if ca != cc: | |
| 1017 self.ui.warn("manifest %s points to %s, not %s\n" % | |
| 1018 (hex(n), hex(ca), hex(cc))) | |
| 1019 errors += 1 | |
| 1020 | |
| 1021 try: | |
| 1022 delta = mdiff.patchtext(self.manifest.delta(n)) | |
| 1023 except KeyboardInterrupt: | |
| 1024 print "aborted" | |
| 1025 sys.exit(0) | |
| 1026 except Exception, inst: | |
| 1027 self.ui.warn("unpacking manifest %s: %s\n" | |
| 1028 % (short(n), inst)) | |
| 1029 errors += 1 | |
| 1030 | |
| 1031 ff = [ l.split('\0') for l in delta.splitlines() ] | |
| 1032 for f, fn in ff: | |
| 1033 filenodes.setdefault(f, {})[bin(fn)] = 1 | |
| 1034 | |
| 1035 self.ui.status("crosschecking files in changesets and manifests\n") | |
| 1036 for f in filenodes: | |
| 1037 if f not in filelinkrevs: | |
| 1038 self.ui.warn("file %s in manifest but not in changesets\n" % f) | |
| 1039 errors += 1 | |
| 1040 | |
| 1041 for f in filelinkrevs: | |
| 1042 if f not in filenodes: | |
| 1043 self.ui.warn("file %s in changeset but not in manifest\n" % f) | |
| 1044 errors += 1 | |
| 1045 | |
| 1046 self.ui.status("checking files\n") | |
| 1047 ff = filenodes.keys() | |
| 1048 ff.sort() | |
| 1049 for f in ff: | |
| 1050 if f == "/dev/null": continue | |
| 1051 files += 1 | |
| 1052 fl = self.file(f) | |
| 1053 nodes = { nullid: 1 } | |
| 1054 for i in range(fl.count()): | |
| 1055 revisions += 1 | |
| 1056 n = fl.node(i) | |
| 1057 | |
| 1058 if n not in filenodes[f]: | |
| 1059 self.ui.warn("%s: %d:%s not in manifests\n" | |
| 1060 % (f, i, short(n))) | |
| 1061 print len(filenodes[f].keys()), fl.count(), f | |
| 1062 errors += 1 | |
| 1063 else: | |
| 1064 del filenodes[f][n] | |
| 1065 | |
| 1066 flr = fl.linkrev(n) | |
| 1067 if flr not in filelinkrevs[f]: | |
| 1068 self.ui.warn("%s:%s points to unexpected changeset %d\n" | |
| 1069 % (f, short(n), fl.linkrev(n))) | |
| 1070 errors += 1 | |
| 1071 else: | |
| 1072 filelinkrevs[f].remove(flr) | |
| 1073 | |
| 1074 # verify contents | |
| 1075 try: | |
| 1076 t = fl.read(n) | |
| 1077 except Exception, inst: | |
| 1078 self.ui.warn("unpacking file %s %s: %s\n" | |
| 1079 % (f, short(n), inst)) | |
| 1080 errors += 1 | |
| 1081 | |
| 1082 # verify parents | |
| 1083 (p1, p2) = fl.parents(n) | |
| 1084 if p1 not in nodes: | |
| 1085 self.ui.warn("file %s:%s unknown parent 1 %s" % | |
| 1086 (f, short(n), short(p1))) | |
| 1087 errors += 1 | |
| 1088 if p2 not in nodes: | |
| 1089 self.ui.warn("file %s:%s unknown parent 2 %s" % | |
| 1090 (f, short(n), short(p1))) | |
| 1091 errors += 1 | |
| 1092 nodes[n] = 1 | |
| 1093 | |
| 1094 # cross-check | |
| 1095 for node in filenodes[f]: | |
| 1096 self.ui.warn("node %s in manifests not in %s\n" | |
| 1097 % (hex(n), f)) | |
| 1098 errors += 1 | |
| 1099 | |
| 1100 self.ui.status("%d files, %d changesets, %d total revisions\n" % | |
| 1101 (files, changesets, revisions)) | |
| 1102 | |
| 1103 if errors: | |
| 1104 self.ui.warn("%d integrity errors encountered!\n" % errors) | |
| 1105 return 1 | |
| 1106 | |
| 60 | 1107 class remoterepository: |
| 1108 def __init__(self, ui, path): | |
|
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1109 self.url = path |
| 60 | 1110 self.ui = ui |
| 1111 | |
| 1112 def do_cmd(self, cmd, **args): | |
| 83 | 1113 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 1114 q = {"cmd": cmd} |
| 1115 q.update(args) | |
| 1116 qs = urllib.urlencode(q) | |
| 1117 cu = "%s?%s" % (self.url, qs) | |
|
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1118 return urllib.urlopen(cu) |
| 60 | 1119 |
| 222 | 1120 def heads(self): |
| 1121 d = self.do_cmd("heads").read() | |
| 1122 try: | |
| 1123 return map(bin, d[:-1].split(" ")) | |
| 1124 except: | |
| 1125 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1126 raise | |
| 1127 | |
| 60 | 1128 def branches(self, nodes): |
| 1129 n = " ".join(map(hex, nodes)) | |
|
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1130 d = self.do_cmd("branches", nodes=n).read() |
| 217 | 1131 try: |
| 1132 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
| 1133 return br | |
| 1134 except: | |
| 1135 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1136 raise | |
| 60 | 1137 |
| 1138 def between(self, pairs): | |
| 1139 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
|
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1140 d = self.do_cmd("between", pairs=n).read() |
| 217 | 1141 try: |
| 1142 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
| 1143 return p | |
| 1144 except: | |
| 1145 self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") | |
| 1146 raise | |
| 60 | 1147 |
| 1148 def changegroup(self, nodes): | |
| 1149 n = " ".join(map(hex, nodes)) | |
|
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1150 zd = zlib.decompressobj() |
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1151 f = self.do_cmd("changegroup", roots=n) |
| 192 | 1152 bytes = 0 |
|
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1153 while 1: |
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1154 d = f.read(4096) |
| 192 | 1155 bytes += len(d) |
|
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1156 if not d: |
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1157 yield zd.flush() |
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1158 break |
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1159 yield zd.decompress(d) |
| 192 | 1160 self.ui.note("%d bytes of data transfered\n" % bytes) |
| 60 | 1161 |
| 1162 def repository(ui, path=None, create=0): | |
|
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1163 if path and path[:7] == "http://": |
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1164 return remoterepository(ui, path) |
| 60 | 1165 if path and path[:5] == "hg://": |
|
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1166 return remoterepository(ui, path.replace("hg://", "http://")) |
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1167 if path and path[:11] == "old-http://": |
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1168 return localrepository(ui, path.replace("old-http://", "http://")) |
| 60 | 1169 else: |
| 1170 return localrepository(ui, path, create) | |
| 1171 | |
|
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1172 class httprangereader: |
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1173 def __init__(self, url): |
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1174 self.url = url |
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1175 self.pos = 0 |
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1176 def seek(self, pos): |
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1177 self.pos = pos |
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1178 def read(self, bytes=None): |
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1179 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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|
1180 urllib2.install_opener(opener) |
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1181 req = urllib2.Request(self.url) |
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1182 end = '' |
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1183 if bytes: end = self.pos + bytes |
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1184 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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|
1185 f = urllib2.urlopen(req) |
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1186 return f.read() |