Mercurial > hg > pyhgsh
annotate mercurial/hg.py @ 163:f38c90953c2c
Make undo and recover friendlier
Add them to the help display, have them report failure
| author | mpm@selenic.com |
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| date | Thu, 26 May 2005 09:48:50 -0800 |
| parents | 5dcbe4d9a30c |
| children | 75dddd697ed4 |
| 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 |
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110
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8 import sys, struct, sha, socket, os, time, re, urllib2 |
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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): |
| 27 revs = [] | |
| 28 while node != nullid: | |
| 29 revs.append(node) | |
| 30 node = self.parents(node)[0] | |
| 31 revs.reverse() | |
| 32 prev = [] | |
| 33 annotate = [] | |
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34 |
| 79 | 35 for node in revs: |
| 36 curr = self.read(node).splitlines(1) | |
| 37 linkrev = self.linkrev(node) | |
| 38 sm = SequenceMatcher(None, prev, curr) | |
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39 new = [] |
| 79 | 40 for o, m, n, s, t in sm.get_opcodes(): |
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41 if o == 'equal': |
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42 new += annotate[m:n] |
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43 else: |
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44 new += [(linkrev, l) for l in curr[s:t]] |
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45 annotate, prev = new, curr |
| 79 | 46 return annotate |
| 47 | |
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48 class manifest(revlog): |
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49 def __init__(self, opener): |
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50 self.mapcache = None |
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51 self.listcache = None |
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52 self.addlist = None |
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53 revlog.__init__(self, opener, "00manifest.i", "00manifest.d") |
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54 |
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55 def read(self, node): |
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56 if self.mapcache and self.mapcache[0] == node: |
| 90 | 57 return self.mapcache[1].copy() |
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58 text = self.revision(node) |
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59 map = {} |
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60 self.listcache = (text, text.splitlines(1)) |
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61 for l in self.listcache[1]: |
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62 (f, n) = l.split('\0') |
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63 map[f] = bin(n[:40]) |
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64 self.mapcache = (node, map) |
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65 return map |
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66 |
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67 def diff(self, a, b): |
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68 # this is sneaky, as we're not actually using a and b |
| 140 | 69 if self.listcache and self.addlist and self.listcache[0] == a: |
| 98 | 70 d = mdiff.diff(self.listcache[1], self.addlist, 1) |
| 71 if mdiff.patch(a, d) != b: | |
| 72 sys.stderr.write("*** sortdiff failed, falling back ***\n") | |
| 73 return mdiff.textdiff(a, b) | |
| 74 return d | |
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75 else: |
| 44 | 76 return mdiff.textdiff(a, b) |
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77 |
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78 def add(self, map, transaction, link, p1=None, p2=None): |
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79 files = map.keys() |
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80 files.sort() |
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81 |
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82 self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files] |
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83 text = "".join(self.addlist) |
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84 |
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85 n = self.addrevision(text, transaction, link, p1, p2) |
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86 self.mapcache = (n, map) |
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87 self.listcache = (text, self.addlist) |
| 140 | 88 self.addlist = None |
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89 |
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90 return n |
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91 |
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92 class changelog(revlog): |
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93 def __init__(self, opener): |
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94 revlog.__init__(self, opener, "00changelog.i", "00changelog.d") |
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95 |
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96 def extract(self, text): |
| 37 | 97 if not text: |
| 40 | 98 return (nullid, "", "0", [], "") |
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99 last = text.index("\n\n") |
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100 desc = text[last + 2:] |
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101 l = text[:last].splitlines() |
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102 manifest = bin(l[0]) |
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103 user = l[1] |
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104 date = l[2] |
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105 files = l[3:] |
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106 return (manifest, user, date, files, desc) |
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107 |
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108 def read(self, node): |
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109 return self.extract(self.revision(node)) |
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110 |
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111 def add(self, manifest, list, desc, transaction, p1=None, p2=None): |
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112 user = (os.environ.get("HGUSER") or |
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113 os.environ.get("EMAIL") or |
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114 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn()) |
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115 date = "%d %d" % (time.time(), time.timezone) |
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116 list.sort() |
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117 l = [hex(manifest), user, date] + list + ["", desc] |
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118 text = "\n".join(l) |
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119 return self.addrevision(text, transaction, self.count(), p1, p2) |
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120 |
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121 class dircache: |
| 20 | 122 def __init__(self, opener, ui): |
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123 self.opener = opener |
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124 self.dirty = 0 |
| 20 | 125 self.ui = ui |
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126 self.map = None |
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127 def __del__(self): |
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128 if self.dirty: self.write() |
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129 def __getitem__(self, key): |
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130 try: |
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131 return self.map[key] |
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132 except TypeError: |
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133 self.read() |
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134 return self[key] |
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135 |
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136 def read(self): |
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137 if self.map is not None: return self.map |
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138 |
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139 self.map = {} |
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140 try: |
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141 st = self.opener("dircache").read() |
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142 except: return |
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143 |
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144 pos = 0 |
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145 while pos < len(st): |
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146 e = struct.unpack(">llll", st[pos:pos+16]) |
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147 l = e[3] |
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148 pos += 16 |
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149 f = st[pos:pos + l] |
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150 self.map[f] = e[:3] |
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151 pos += l |
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152 |
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153 def update(self, files): |
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154 if not files: return |
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155 self.read() |
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156 self.dirty = 1 |
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157 for f in files: |
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158 try: |
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159 s = os.stat(f) |
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160 self.map[f] = (s.st_mode, s.st_size, s.st_mtime) |
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161 except IOError: |
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162 self.remove(f) |
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163 |
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164 def taint(self, files): |
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165 if not files: return |
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166 self.read() |
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167 self.dirty = 1 |
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168 for f in files: |
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169 self.map[f] = (0, -1, 0) |
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170 |
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171 def remove(self, files): |
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172 if not files: return |
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173 self.read() |
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174 self.dirty = 1 |
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175 for f in files: |
| 20 | 176 try: |
| 177 del self.map[f] | |
| 178 except KeyError: | |
| 179 self.ui.warn("Not in dircache: %s\n" % f) | |
| 180 pass | |
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181 |
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182 def clear(self): |
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183 self.map = {} |
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184 self.dirty = 1 |
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185 |
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186 def write(self): |
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187 st = self.opener("dircache", "w") |
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188 for f, e in self.map.items(): |
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189 e = struct.pack(">llll", e[0], e[1], e[2], len(f)) |
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190 st.write(e + f) |
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191 self.dirty = 0 |
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192 |
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193 def copy(self): |
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194 self.read() |
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195 return self.map.copy() |
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196 |
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197 # used to avoid circular references so destructors work |
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198 def opener(base): |
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199 p = base |
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200 def o(path, mode="r"): |
|
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201 if p[:7] == "http://": |
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202 f = os.path.join(p, urllib.quote(path)) |
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203 return httprangereader(f) |
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204 |
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205 f = os.path.join(p, path) |
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206 |
|
110
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207 if mode != "r": |
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208 try: |
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209 s = os.stat(f) |
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210 except OSError: |
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211 d = os.path.dirname(f) |
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212 if not os.path.isdir(d): |
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213 os.makedirs(d) |
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214 else: |
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215 if s.st_nlink > 1: |
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216 file(f + ".tmp", "w").write(file(f).read()) |
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217 os.rename(f+".tmp", f) |
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218 |
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219 return file(f, mode) |
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220 |
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221 return o |
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222 |
| 60 | 223 class localrepository: |
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224 def __init__(self, ui, path=None, create=0): |
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225 self.remote = 0 |
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226 if path and path[:7] == "http://": |
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227 self.remote = 1 |
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228 self.path = path |
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229 else: |
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230 if not path: |
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231 p = os.getcwd() |
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232 while not os.path.isdir(os.path.join(p, ".hg")): |
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233 p = os.path.dirname(p) |
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234 if p == "/": raise "No repo found" |
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235 path = p |
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236 self.path = os.path.join(path, ".hg") |
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237 |
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238 self.root = path |
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239 self.ui = ui |
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240 |
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241 if create: |
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242 os.mkdir(self.path) |
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243 os.mkdir(self.join("data")) |
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244 |
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245 self.opener = opener(self.path) |
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246 self.manifest = manifest(self.opener) |
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247 self.changelog = changelog(self.opener) |
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248 self.ignorelist = None |
| 67 | 249 self.tags = None |
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250 |
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251 if not self.remote: |
| 20 | 252 self.dircache = dircache(self.opener, ui) |
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253 try: |
|
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254 self.current = bin(self.opener("current").read()) |
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255 except IOError: |
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256 self.current = None |
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257 |
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258 def setcurrent(self, node): |
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259 self.current = node |
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260 self.opener("current", "w").write(hex(node)) |
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261 |
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262 def ignore(self, f): |
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263 if self.ignorelist is None: |
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264 self.ignorelist = [] |
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265 try: |
| 67 | 266 l = open(os.path.join(self.root, ".hgignore")) |
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267 for pat in l: |
| 9 | 268 if pat != "\n": |
| 269 self.ignorelist.append(re.compile(pat[:-1])) | |
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270 except IOError: pass |
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271 for pat in self.ignorelist: |
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272 if pat.search(f): return True |
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273 return False |
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274 |
| 67 | 275 def lookup(self, key): |
| 276 if self.tags is None: | |
| 277 self.tags = {} | |
| 278 try: | |
| 279 fl = self.file(".hgtags") | |
| 280 for l in fl.revision(fl.tip()).splitlines(): | |
| 281 if l: | |
| 282 n, k = l.split(" ") | |
| 283 self.tags[k] = bin(n) | |
| 284 except KeyError: pass | |
| 285 try: | |
| 286 return self.tags[key] | |
| 287 except KeyError: | |
| 288 return self.changelog.lookup(key) | |
| 289 | |
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290 def join(self, f): |
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291 return os.path.join(self.path, f) |
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292 |
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293 def file(self, f): |
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294 return filelog(self.opener, f) |
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295 |
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296 def transaction(self): |
| 95 | 297 return transaction(self.opener, self.join("journal"), |
| 298 self.join("undo")) | |
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299 |
| 162 | 300 def recover(self, f = "journal"): |
| 301 self.lock() | |
| 302 if os.path.exists(self.join(f)): | |
| 163 | 303 self.ui.status("attempting to rollback %s information\n" % f) |
| 162 | 304 return rollback(self.opener, self.join(f)) |
| 163 | 305 else: |
| 306 self.ui.warn("no %s information available\n" % f) | |
| 162 | 307 |
| 161 | 308 def lock(self, wait = 1): |
| 309 try: | |
| 310 return lock.lock(self.join("lock"), 0) | |
| 311 except lock.LockHeld, inst: | |
| 312 if wait: | |
| 313 self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) | |
| 314 return lock.lock(self.join("lock"), wait) | |
| 315 raise inst | |
| 316 | |
| 30 | 317 def commit(self, parent, update = None, text = ""): |
| 161 | 318 self.lock() |
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319 try: |
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320 remove = [ l[:-1] for l in self.opener("to-remove") ] |
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321 os.unlink(self.join("to-remove")) |
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322 |
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323 except IOError: |
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324 remove = [] |
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325 |
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326 if update == None: |
| 29 | 327 update = self.diffdir(self.root, parent)[0] |
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328 |
| 151 | 329 if not update: |
| 330 self.ui.status("nothing changed\n") | |
| 331 return | |
| 332 | |
| 333 tr = self.transaction() | |
| 334 | |
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335 # check in files |
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336 new = {} |
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337 linkrev = self.changelog.count() |
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338 update.sort() |
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339 for f in update: |
| 83 | 340 self.ui.note(f + "\n") |
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341 try: |
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342 t = file(f).read() |
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343 except IOError: |
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344 remove.append(f) |
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345 continue |
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346 r = self.file(f) |
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347 new[f] = r.add(t, tr, linkrev) |
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348 |
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349 # update manifest |
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350 mmap = self.manifest.read(self.manifest.tip()) |
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351 mmap.update(new) |
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352 for f in remove: |
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353 del mmap[f] |
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354 mnode = self.manifest.add(mmap, tr, linkrev) |
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355 |
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356 # add changeset |
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357 new = new.keys() |
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358 new.sort() |
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359 |
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360 edittext = text + "\n"+"".join(["HG: changed %s\n" % f for f in new]) |
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361 edittext += "".join(["HG: removed %s\n" % f for f in remove]) |
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362 edittext = self.ui.edit(edittext) |
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363 |
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364 n = self.changelog.add(mnode, new, edittext, tr) |
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365 tr.close() |
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366 |
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367 self.setcurrent(n) |
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368 self.dircache.update(new) |
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369 self.dircache.remove(remove) |
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370 |
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371 def checkout(self, node): |
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372 # checkout is really dumb at the moment |
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373 # it ought to basically merge |
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374 change = self.changelog.read(node) |
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375 l = self.manifest.read(change[0]).items() |
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376 l.sort() |
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377 |
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378 for f,n in l: |
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379 if f[0] == "/": continue |
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380 self.ui.note(f, "\n") |
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381 t = self.file(f).revision(n) |
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382 try: |
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383 file(f, "w").write(t) |
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384 except IOError: |
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385 os.makedirs(os.path.dirname(f)) |
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386 file(f, "w").write(t) |
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387 |
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388 self.setcurrent(node) |
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389 self.dircache.clear() |
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390 self.dircache.update([f for f,n in l]) |
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391 |
| 29 | 392 def diffdir(self, path, changeset): |
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393 changed = [] |
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394 mf = {} |
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395 added = [] |
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396 |
| 29 | 397 if changeset: |
| 398 change = self.changelog.read(changeset) | |
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399 mf = self.manifest.read(change[0]) |
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400 |
| 29 | 401 if changeset == self.current: |
| 402 dc = self.dircache.copy() | |
| 403 else: | |
| 404 dc = dict.fromkeys(mf) | |
| 405 | |
| 406 def fcmp(fn): | |
| 64 | 407 t1 = file(os.path.join(self.root, fn)).read() |
| 29 | 408 t2 = self.file(fn).revision(mf[fn]) |
| 409 return cmp(t1, t2) | |
| 410 | |
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411 for dir, subdirs, files in os.walk(self.root): |
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412 d = dir[len(self.root)+1:] |
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413 if ".hg" in subdirs: subdirs.remove(".hg") |
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414 |
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415 for f in files: |
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416 fn = os.path.join(d, f) |
| 64 | 417 try: s = os.stat(os.path.join(self.root, fn)) |
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418 except: continue |
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419 if fn in dc: |
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420 c = dc[fn] |
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421 del dc[fn] |
| 29 | 422 if not c: |
| 423 if fcmp(fn): | |
| 424 changed.append(fn) | |
| 33 | 425 elif c[1] != s.st_size: |
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426 changed.append(fn) |
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427 elif c[0] != s.st_mode or c[2] != s.st_mtime: |
| 29 | 428 if fcmp(fn): |
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429 changed.append(fn) |
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430 else: |
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431 if self.ignore(fn): continue |
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432 added.append(fn) |
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433 |
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434 deleted = dc.keys() |
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435 deleted.sort() |
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436 |
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437 return (changed, added, deleted) |
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438 |
| 32 | 439 def diffrevs(self, node1, node2): |
| 33 | 440 changed, added = [], [] |
| 32 | 441 |
| 442 change = self.changelog.read(node1) | |
| 443 mf1 = self.manifest.read(change[0]) | |
| 33 | 444 change = self.changelog.read(node2) |
| 32 | 445 mf2 = self.manifest.read(change[0]) |
| 446 | |
| 447 for fn in mf2: | |
| 448 if mf1.has_key(fn): | |
| 449 if mf1[fn] != mf2[fn]: | |
| 450 changed.append(fn) | |
| 451 del mf1[fn] | |
| 452 else: | |
| 453 added.append(fn) | |
| 454 | |
| 455 deleted = mf1.keys() | |
| 456 deleted.sort() | |
| 457 | |
| 458 return (changed, added, deleted) | |
| 459 | |
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460 def add(self, list): |
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461 self.dircache.taint(list) |
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462 |
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463 def remove(self, list): |
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464 dl = self.opener("to-remove", "a") |
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465 for f in list: |
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466 dl.write(f + "\n") |
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467 |
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468 def branches(self, nodes): |
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469 if not nodes: nodes = [self.changelog.tip()] |
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470 b = [] |
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471 for n in nodes: |
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472 t = n |
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473 while n: |
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474 p = self.changelog.parents(n) |
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475 if p[1] != nullid or p[0] == nullid: |
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476 b.append((t, n, p[0], p[1])) |
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477 break |
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478 n = p[0] |
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479 return b |
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480 |
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481 def between(self, pairs): |
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482 r = [] |
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483 |
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484 for top, bottom in pairs: |
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485 n, l, i = top, [], 0 |
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486 f = 1 |
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487 |
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488 while n != bottom: |
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489 p = self.changelog.parents(n)[0] |
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490 if i == f: |
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491 l.append(n) |
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492 f = f * 2 |
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493 n = p |
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494 i += 1 |
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495 |
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496 r.append(l) |
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497 |
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498 return r |
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499 |
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500 def newer(self, nodes): |
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501 m = {} |
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502 nl = [] |
| 94 | 503 pm = {} |
|
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504 cl = self.changelog |
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505 t = l = cl.count() |
| 94 | 506 |
| 507 # find the lowest numbered node | |
|
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508 for n in nodes: |
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509 l = min(l, cl.rev(n)) |
| 94 | 510 m[n] = 1 |
| 46 | 511 |
|
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512 for i in xrange(l, t): |
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513 n = cl.node(i) |
| 94 | 514 if n in m: # explicitly listed |
| 515 pm[n] = 1 | |
| 516 nl.append(n) | |
| 517 continue | |
|
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518 for p in cl.parents(n): |
| 94 | 519 if p in pm: # parent listed |
| 520 pm[n] = 1 | |
|
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521 nl.append(n) |
| 94 | 522 break |
|
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523 |
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524 return nl |
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525 |
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526 def getchangegroup(self, remote): |
| 60 | 527 tip = remote.branches([])[0] |
| 83 | 528 self.ui.debug("remote tip branch is %s:%s\n" % |
| 529 (short(tip[0]), short(tip[1]))) | |
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530 m = self.changelog.nodemap |
| 60 | 531 unknown = [tip] |
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532 search = [] |
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533 fetch = [] |
|
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534 seen = {} |
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535 seenbranch = {} |
| 46 | 536 |
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537 if tip[0] in m: |
| 83 | 538 self.ui.note("nothing to do!\n") |
| 60 | 539 return None |
| 540 | |
|
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541 while unknown: |
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542 n = unknown.pop(0) |
|
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543 seen[n[0]] = 1 |
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544 |
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545 self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) |
|
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546 if n == nullid: break |
|
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547 if n in seenbranch: |
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548 self.ui.debug("branch already found\n") |
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549 continue |
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550 if n[1] and n[1] in m: # do we know the base? |
|
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551 self.ui.debug("found incomplete branch %s:%s\n" |
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552 % (short(n[0]), short(n[1]))) |
|
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553 search.append(n) # schedule branch range for scanning |
|
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554 seenbranch[n] = 1 |
|
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555 else: |
| 94 | 556 if n[2] in m and n[3] in m: |
| 557 if n[1] not in fetch: | |
| 558 self.ui.debug("found new changeset %s\n" % | |
| 559 short(n[1])) | |
| 560 fetch.append(n[1]) # earliest unknown | |
| 561 continue | |
|
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562 |
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563 r = [] |
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564 for a in n[2:4]: |
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565 if a not in seen: r.append(a) |
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566 |
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567 if r: |
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568 self.ui.debug("requesting %s\n" % |
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569 " ".join(map(short, r))) |
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570 for b in remote.branches(r): |
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571 self.ui.debug("received %s:%s\n" % |
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572 (short(b[0]), short(b[1]))) |
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573 if b[0] not in m and b[0] not in seen: |
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574 unknown.append(b) |
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575 |
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576 while search: |
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577 n = search.pop(0) |
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578 l = remote.between([(n[0], n[1])])[0] |
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579 p = n[0] |
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580 f = 1 |
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581 for i in l + [n[1]]: |
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582 if i in m: |
| 85 | 583 if f <= 2: |
| 83 | 584 self.ui.debug("found new branch changeset %s\n" % |
| 585 short(p)) | |
|
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586 fetch.append(p) |
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587 else: |
| 83 | 588 self.ui.debug("narrowed branch search to %s:%s\n" |
| 589 % (short(p), short(i))) | |
|
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590 search.append((p, i)) |
|
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591 break |
|
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592 p, f = i, f * 2 |
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593 |
|
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594 for f in fetch: |
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595 if f in m: |
| 83 | 596 raise "already have", short(f[:4]) |
| 597 | |
| 94 | 598 self.ui.note("adding new changesets starting at " + |
| 83 | 599 " ".join([short(f) for f in fetch]) + "\n") |
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600 |
|
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601 return remote.changegroup(fetch) |
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602 |
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603 def changegroup(self, basenodes): |
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604 nodes = self.newer(basenodes) |
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605 |
| 46 | 606 # construct the link map |
| 607 linkmap = {} | |
| 608 for n in nodes: | |
| 609 linkmap[self.changelog.rev(n)] = n | |
| 610 | |
| 611 # construct a list of all changed files | |
| 612 changed = {} | |
| 613 for n in nodes: | |
| 614 c = self.changelog.read(n) | |
| 615 for f in c[3]: | |
| 616 changed[f] = 1 | |
| 617 changed = changed.keys() | |
| 618 changed.sort() | |
| 619 | |
| 620 # the changegroup is changesets + manifests + all file revs | |
| 621 revs = [ self.changelog.rev(n) for n in nodes ] | |
| 622 | |
| 60 | 623 yield self.changelog.group(linkmap) |
| 624 yield self.manifest.group(linkmap) | |
| 46 | 625 |
| 626 for f in changed: | |
| 627 g = self.file(f).group(linkmap) | |
| 628 if not g: raise "couldn't find change to %s" % f | |
| 629 l = struct.pack(">l", len(f)) | |
| 60 | 630 yield "".join([l, f, g]) |
| 46 | 631 |
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632 def addchangegroup(self, generator): |
| 161 | 633 self.lock() |
|
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634 class genread: |
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635 def __init__(self, generator): |
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636 self.g = generator |
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637 self.buf = "" |
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638 def read(self, l): |
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639 while l > len(self.buf): |
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640 try: |
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641 self.buf += self.g.next() |
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642 except StopIteration: |
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643 break |
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644 d, self.buf = self.buf[:l], self.buf[l:] |
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645 return d |
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646 |
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647 if not generator: return |
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648 source = genread(generator) |
| 60 | 649 |
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650 def getchunk(add = 0): |
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651 d = source.read(4) |
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652 if not d: return "" |
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653 l = struct.unpack(">l", d)[0] |
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654 return source.read(l - 4 + add) |
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655 |
| 46 | 656 tr = self.transaction() |
| 657 simple = True | |
| 146 | 658 need = {} |
| 46 | 659 |
| 94 | 660 self.ui.status("adding changesets\n") |
| 46 | 661 # pull off the changeset group |
| 94 | 662 def report(x): |
| 663 self.ui.debug("add changeset %s\n" % short(x)) | |
| 664 return self.changelog.count() | |
| 665 | |
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666 csg = getchunk() |
| 46 | 667 co = self.changelog.tip() |
| 94 | 668 cn = self.changelog.addgroup(csg, report, tr) |
| 46 | 669 |
| 94 | 670 self.ui.status("adding manifests\n") |
| 46 | 671 # pull off the manifest group |
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672 mfg = getchunk() |
| 90 | 673 mm = self.manifest.tip() |
| 674 mo = self.manifest.addgroup(mfg, lambda x: self.changelog.rev(x), tr) | |
| 46 | 675 |
| 676 # do we need a resolve? | |
| 677 if self.changelog.ancestor(co, cn) != co: | |
| 678 simple = False | |
| 679 resolverev = self.changelog.count() | |
| 680 | |
| 146 | 681 # resolve the manifest to determine which files |
| 682 # we care about merging | |
| 683 self.ui.status("resolving manifests\n") | |
| 684 ma = self.manifest.ancestor(mm, mo) | |
| 685 omap = self.manifest.read(mo) # other | |
| 686 amap = self.manifest.read(ma) # ancestor | |
| 687 mmap = self.manifest.read(mm) # mine | |
| 688 nmap = {} | |
| 689 | |
| 690 self.ui.debug(" ancestor %s local %s remote %s\n" % | |
| 691 (short(ma), short(mm), short(mo))) | |
| 692 | |
| 693 for f, mid in mmap.iteritems(): | |
| 694 if f in omap: | |
| 695 if mid != omap[f]: | |
| 696 self.ui.debug(" %s versions differ, do resolve\n" % f) | |
| 697 need[f] = mid # use merged version or local version | |
| 698 else: | |
| 699 nmap[f] = mid # keep ours | |
| 700 del omap[f] | |
| 701 elif f in amap: | |
| 702 if mid != amap[f]: | |
| 703 r = self.ui.prompt( | |
| 704 (" local changed %s which remote deleted\n" % f) + | |
| 705 "(k)eep or (d)elete?", "[kd]", "k") | |
| 706 if r == "k": nmap[f] = mid | |
| 707 else: | |
| 708 self.ui.debug("other deleted %s\n" % f) | |
| 709 pass # other deleted it | |
| 710 else: | |
| 711 self.ui.debug("local created %s\n" %f) | |
| 712 nmap[f] = mid # we created it | |
| 713 | |
| 714 del mmap | |
| 715 | |
| 716 for f, oid in omap.iteritems(): | |
| 717 if f in amap: | |
| 718 if oid != amap[f]: | |
| 719 r = self.ui.prompt( | |
| 720 ("remote changed %s which local deleted\n" % f) + | |
| 721 "(k)eep or (d)elete?", "[kd]", "k") | |
| 722 if r == "k": nmap[f] = oid | |
| 723 else: | |
| 724 pass # probably safe | |
| 725 else: | |
| 726 self.ui.debug("remote created %s, do resolve\n" % f) | |
| 727 need[f] = oid | |
| 728 | |
| 729 del omap | |
| 730 del amap | |
| 731 | |
| 732 new = need.keys() | |
| 733 new.sort() | |
| 734 | |
| 46 | 735 # process the files |
| 94 | 736 self.ui.status("adding files\n") |
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737 while 1: |
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738 f = getchunk(4) |
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739 if not f: break |
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740 fg = getchunk() |
| 94 | 741 self.ui.debug("adding %s revisions\n" % f) |
| 46 | 742 fl = self.file(f) |
| 743 o = fl.tip() | |
| 744 n = fl.addgroup(fg, lambda x: self.changelog.rev(x), tr) | |
| 146 | 745 if f in need: |
| 746 del need[f] | |
| 747 # manifest resolve determined we need to merge the tips | |
| 748 nmap[f] = self.merge3(fl, f, o, n, tr, resolverev) | |
| 749 | |
| 750 if need: | |
| 751 # we need to do trivial merges on local files | |
| 752 for f in new: | |
| 753 if f not in need: continue | |
| 754 fl = self.file(f) | |
| 755 nmap[f] = self.merge3(fl, f, need[f], fl.tip(), tr, resolverev) | |
| 46 | 756 |
| 757 # For simple merges, we don't need to resolve manifests or changesets | |
| 758 if simple: | |
| 90 | 759 self.ui.debug("simple merge, skipping resolve\n") |
| 46 | 760 tr.close() |
| 761 return | |
| 762 | |
| 763 node = self.manifest.add(nmap, tr, resolverev, mm, mo) | |
| 764 | |
| 765 # Now all files and manifests are merged, we add the changed files | |
| 766 # and manifest id to the changelog | |
| 767 self.ui.status("committing merge changeset\n") | |
| 768 if co == cn: cn = -1 | |
| 769 | |
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770 edittext = "\nHG: merge resolve\n" + \ |
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771 "".join(["HG: changed %s\n" % f for f in new]) |
| 46 | 772 edittext = self.ui.edit(edittext) |
| 773 n = self.changelog.add(node, new, edittext, tr, co, cn) | |
| 774 | |
| 775 tr.close() | |
| 776 | |
| 96 | 777 def merge3(self, fl, fn, my, other, transaction, link): |
| 778 """perform a 3-way merge and append the result""" | |
| 779 | |
| 780 def temp(prefix, node): | |
| 781 pre = "%s~%s." % (os.path.basename(fn), prefix) | |
| 782 (fd, name) = tempfile.mkstemp("", pre) | |
| 783 f = os.fdopen(fd, "w") | |
| 784 f.write(fl.revision(node)) | |
| 785 f.close() | |
| 786 return name | |
| 787 | |
| 788 base = fl.ancestor(my, other) | |
| 789 self.ui.note("resolving %s\n" % fn) | |
| 790 self.ui.debug("local %s remote %s ancestor %s\n" % | |
| 791 (short(my), short(other), short(base))) | |
| 792 | |
| 793 if my == base: | |
| 794 text = fl.revision(other) | |
| 795 else: | |
| 796 a = temp("local", my) | |
| 797 b = temp("remote", other) | |
| 798 c = temp("parent", base) | |
| 799 | |
| 800 cmd = os.environ["HGMERGE"] | |
| 801 self.ui.debug("invoking merge with %s\n" % cmd) | |
| 149 | 802 r = os.system("%s %s %s %s %s" % (cmd, a, b, c, fn)) |
| 96 | 803 if r: |
| 804 raise "Merge failed!" | |
| 805 | |
| 806 text = open(a).read() | |
| 807 os.unlink(a) | |
| 808 os.unlink(b) | |
| 809 os.unlink(c) | |
| 810 | |
| 811 return fl.addrevision(text, transaction, link, my, other) | |
| 812 | |
| 60 | 813 class remoterepository: |
| 814 def __init__(self, ui, path): | |
| 815 self.url = path.replace("hg://", "http://", 1) | |
| 816 self.ui = ui | |
| 817 | |
| 818 def do_cmd(self, cmd, **args): | |
| 83 | 819 self.ui.debug("sending %s command\n" % cmd) |
| 60 | 820 q = {"cmd": cmd} |
| 821 q.update(args) | |
| 822 qs = urllib.urlencode(q) | |
| 823 cu = "%s?%s" % (self.url, qs) | |
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824 return urllib.urlopen(cu) |
| 60 | 825 |
| 826 def branches(self, nodes): | |
| 827 n = " ".join(map(hex, nodes)) | |
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828 d = self.do_cmd("branches", nodes=n).read() |
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829 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] |
| 60 | 830 return br |
| 831 | |
| 832 def between(self, pairs): | |
| 833 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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834 d = self.do_cmd("between", pairs=n).read() |
| 60 | 835 p = [ map(bin, l.split(" ")) for l in d.splitlines() ] |
| 836 return p | |
| 837 | |
| 838 def changegroup(self, nodes): | |
| 839 n = " ".join(map(hex, nodes)) | |
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840 zd = zlib.decompressobj() |
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841 f = self.do_cmd("changegroup", roots=n) |
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842 while 1: |
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843 d = f.read(4096) |
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844 if not d: |
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845 yield zd.flush() |
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846 break |
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847 yield zd.decompress(d) |
| 60 | 848 |
| 849 def repository(ui, path=None, create=0): | |
| 850 if path and path[:5] == "hg://": | |
| 851 return remoterepository(ui, path) | |
| 852 else: | |
| 853 return localrepository(ui, path, create) | |
| 854 | |
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855 class ui: |
| 107 | 856 def __init__(self, verbose=False, debug=False, quiet=False, |
| 857 interactive=True): | |
| 83 | 858 self.quiet = quiet and not verbose and not debug |
| 859 self.verbose = verbose or debug | |
| 860 self.debugflag = debug | |
| 107 | 861 self.interactive = interactive |
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862 def write(self, *args): |
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863 for a in args: |
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864 sys.stdout.write(str(a)) |
| 107 | 865 def readline(self): |
| 866 return sys.stdin.readline()[:-1] | |
| 867 def prompt(self, msg, pat, default = "y"): | |
| 868 if not self.interactive: return default | |
|
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869 while 1: |
| 107 | 870 self.write(msg, " ") |
| 871 r = self.readline() | |
|
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872 if re.match(pat, r): |
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873 return r |
| 107 | 874 else: |
| 875 self.write("unrecognized response\n") | |
|
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876 def status(self, *msg): |
| 83 | 877 if not self.quiet: self.write(*msg) |
|
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878 def warn(self, msg): |
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879 self.write(*msg) |
| 107 | 880 def note(self, *msg): |
|
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881 if self.verbose: self.write(*msg) |
| 107 | 882 def debug(self, *msg): |
| 83 | 883 if self.debugflag: self.write(*msg) |
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884 def edit(self, text): |
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885 (fd, name) = tempfile.mkstemp("hg") |
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886 f = os.fdopen(fd, "w") |
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887 f.write(text) |
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888 f.close() |
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889 |
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890 editor = os.environ.get("EDITOR", "vi") |
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891 r = os.system("%s %s" % (editor, name)) |
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892 if r: |
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893 raise "Edit failed!" |
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894 |
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895 t = open(name).read() |
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896 t = re.sub("(?m)^HG:.*\n", "", t) |
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897 |
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898 return t |
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899 |
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900 |
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901 class httprangereader: |
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902 def __init__(self, url): |
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903 self.url = url |
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904 self.pos = 0 |
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905 def seek(self, pos): |
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906 self.pos = pos |
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907 def read(self, bytes=None): |
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908 opener = urllib2.build_opener(byterange.HTTPRangeHandler()) |
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909 urllib2.install_opener(opener) |
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910 req = urllib2.Request(self.url) |
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911 end = '' |
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912 if bytes: end = self.pos + bytes |
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913 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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914 f = urllib2.urlopen(req) |
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915 return f.read() |