Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/sshserver.py @ 2749:d13e4ffaa79d
[darcs2hg] Windows compatibilty patct
Originally submitted by Daiju Kito
1. single quote didn't work in several cases
2. os.unlink tries to delete tmpfile when it's called. It won't wait like unix.
author | Sébastien Pierre <sebastien@xprima.com> |
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date | Tue, 01 Aug 2006 09:51:36 -0400 |
parents | 109a22f5434a |
children | 345bac2bc4ec |
rev | line source |
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2399 | 1 # sshserver.py - ssh protocol server support for mercurial |
2396 | 2 # |
3 # Copyright 2005 Matt Mackall <mpm@selenic.com> | |
4 # | |
5 # This software may be used and distributed according to the terms | |
6 # of the GNU General Public License, incorporated herein by reference. | |
7 | |
8 from demandload import demandload | |
9 from i18n import gettext as _ | |
10 from node import * | |
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11 demandload(globals(), "os streamclone sys tempfile util") |
2396 | 12 |
13 class sshserver(object): | |
14 def __init__(self, ui, repo): | |
15 self.ui = ui | |
16 self.repo = repo | |
17 self.lock = None | |
18 self.fin = sys.stdin | |
19 self.fout = sys.stdout | |
20 | |
21 sys.stdout = sys.stderr | |
22 | |
23 # Prevent insertion/deletion of CRs | |
24 util.set_binary(self.fin) | |
25 util.set_binary(self.fout) | |
26 | |
27 def getarg(self): | |
28 argline = self.fin.readline()[:-1] | |
29 arg, l = argline.split() | |
30 val = self.fin.read(int(l)) | |
31 return arg, val | |
32 | |
33 def respond(self, v): | |
34 self.fout.write("%d\n" % len(v)) | |
35 self.fout.write(v) | |
36 self.fout.flush() | |
37 | |
38 def serve_forever(self): | |
39 while self.serve_one(): pass | |
40 sys.exit(0) | |
41 | |
42 def serve_one(self): | |
43 cmd = self.fin.readline()[:-1] | |
44 if cmd: | |
45 impl = getattr(self, 'do_' + cmd, None) | |
46 if impl: impl() | |
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47 else: self.respond("") |
2396 | 48 return cmd != '' |
49 | |
50 def do_heads(self): | |
51 h = self.repo.heads() | |
52 self.respond(" ".join(map(hex, h)) + "\n") | |
53 | |
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54 def do_hello(self): |
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55 '''the hello command returns a set of lines describing various |
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56 interesting things about the server, in an RFC822-like format. |
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57 Currently the only one defined is "capabilities", which |
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58 consists of a line in the form: |
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59 |
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60 capabilities: space separated list of tokens |
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61 ''' |
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62 |
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63 caps = ['unbundle'] |
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64 if self.ui.configbool('server', 'uncompressed'): |
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65 caps.append('stream=%d' % self.repo.revlogversion) |
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66 self.respond("capabilities: %s\n" % (' '.join(caps),)) |
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67 |
2396 | 68 def do_lock(self): |
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69 '''DEPRECATED - allowing remote client to lock repo is not safe''' |
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70 |
2396 | 71 self.lock = self.repo.lock() |
72 self.respond("") | |
73 | |
74 def do_unlock(self): | |
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75 '''DEPRECATED''' |
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76 |
2396 | 77 if self.lock: |
78 self.lock.release() | |
79 self.lock = None | |
80 self.respond("") | |
81 | |
82 def do_branches(self): | |
83 arg, nodes = self.getarg() | |
84 nodes = map(bin, nodes.split(" ")) | |
85 r = [] | |
86 for b in self.repo.branches(nodes): | |
87 r.append(" ".join(map(hex, b)) + "\n") | |
88 self.respond("".join(r)) | |
89 | |
90 def do_between(self): | |
91 arg, pairs = self.getarg() | |
92 pairs = [map(bin, p.split("-")) for p in pairs.split(" ")] | |
93 r = [] | |
94 for b in self.repo.between(pairs): | |
95 r.append(" ".join(map(hex, b)) + "\n") | |
96 self.respond("".join(r)) | |
97 | |
98 def do_changegroup(self): | |
99 nodes = [] | |
100 arg, roots = self.getarg() | |
101 nodes = map(bin, roots.split(" ")) | |
102 | |
103 cg = self.repo.changegroup(nodes, 'serve') | |
104 while True: | |
105 d = cg.read(4096) | |
106 if not d: | |
107 break | |
108 self.fout.write(d) | |
109 | |
110 self.fout.flush() | |
111 | |
112 def do_addchangegroup(self): | |
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113 '''DEPRECATED''' |
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114 |
2396 | 115 if not self.lock: |
116 self.respond("not locked") | |
117 return | |
118 | |
119 self.respond("") | |
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120 r = self.repo.addchangegroup(self.fin, 'serve', self.client_url()) |
2396 | 121 self.respond(str(r)) |
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122 |
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123 def client_url(self): |
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124 client = os.environ.get('SSH_CLIENT', '').split(' ', 1)[0] |
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125 return 'remote:ssh:' + client |
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126 |
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127 def do_unbundle(self): |
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128 their_heads = self.getarg()[1].split() |
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129 |
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130 def check_heads(): |
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131 heads = map(hex, self.repo.heads()) |
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132 return their_heads == [hex('force')] or their_heads == heads |
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133 |
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134 # fail early if possible |
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135 if not check_heads(): |
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136 self.respond(_('unsynced changes')) |
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137 return |
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138 |
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139 self.respond('') |
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140 |
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141 # write bundle data to temporary file because it can be big |
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142 |
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143 try: |
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144 fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
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145 fp = os.fdopen(fd, 'wb+') |
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146 |
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147 count = int(self.fin.readline()) |
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148 while count: |
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149 fp.write(self.fin.read(count)) |
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150 count = int(self.fin.readline()) |
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151 |
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152 was_locked = self.lock is not None |
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153 if not was_locked: |
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154 self.lock = self.repo.lock() |
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155 try: |
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156 if not check_heads(): |
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157 # someone else committed/pushed/unbundled while we |
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158 # were transferring data |
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159 self.respond(_('unsynced changes')) |
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160 return |
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161 self.respond('') |
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162 |
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163 # push can proceed |
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164 |
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165 fp.seek(0) |
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166 r = self.repo.addchangegroup(fp, 'serve', self.client_url()) |
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167 self.respond(str(r)) |
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168 finally: |
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169 if not was_locked: |
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170 self.lock.release() |
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171 self.lock = None |
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172 finally: |
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173 fp.close() |
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174 os.unlink(tempname) |
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175 |
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176 def do_stream_out(self): |
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177 streamclone.stream_out(self.repo, self.fout) |