Mercurial > hg
annotate mercurial/sshserver.py @ 32078:bf5e13e38390 stable
pager: use less as a fallback on Unix
This seems reasonable choice per discussion, and the default-default of Git.
See also the inline-comment for why.
https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-April/097042.html
author | Yuya Nishihara <yuya@tcha.org> |
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date | Fri, 28 Apr 2017 20:51:14 +0900 |
parents | a150173da1c1 |
children | 5326e4ef1dab |
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2399 | 1 # sshserver.py - ssh protocol server support for mercurial |
2396 | 2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
2859 | 4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
2396 | 5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
2396 | 8 |
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9 from __future__ import absolute_import |
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10 |
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11 import sys |
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12 |
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13 from .i18n import _ |
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14 from . import ( |
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15 encoding, |
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16 error, |
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17 hook, |
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18 util, |
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19 wireproto, |
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20 ) |
2396 | 21 |
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22 class sshserver(wireproto.abstractserverproto): |
2396 | 23 def __init__(self, ui, repo): |
24 self.ui = ui | |
25 self.repo = repo | |
26 self.lock = None | |
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27 self.fin = ui.fin |
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28 self.fout = ui.fout |
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29 self.name = 'ssh' |
2396 | 30 |
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31 hook.redirect(True) |
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32 ui.fout = repo.ui.fout = ui.ferr |
2396 | 33 |
34 # Prevent insertion/deletion of CRs | |
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35 util.setbinary(self.fin) |
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36 util.setbinary(self.fout) |
2396 | 37 |
11579 | 38 def getargs(self, args): |
39 data = {} | |
40 keys = args.split() | |
41 for n in xrange(len(keys)): | |
42 argline = self.fin.readline()[:-1] | |
43 arg, l = argline.split() | |
44 if arg not in keys: | |
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45 raise error.Abort(_("unexpected parameter %r") % arg) |
11579 | 46 if arg == '*': |
47 star = {} | |
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48 for k in xrange(int(l)): |
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49 argline = self.fin.readline()[:-1] |
11579 | 50 arg, l = argline.split() |
51 val = self.fin.read(int(l)) | |
52 star[arg] = val | |
53 data['*'] = star | |
54 else: | |
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55 val = self.fin.read(int(l)) |
11579 | 56 data[arg] = val |
57 return [data[k] for k in keys] | |
58 | |
59 def getarg(self, name): | |
60 return self.getargs(name)[0] | |
2396 | 61 |
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62 def getfile(self, fpout): |
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63 self.sendresponse('') |
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64 count = int(self.fin.readline()) |
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65 while count: |
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66 fpout.write(self.fin.read(count)) |
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67 count = int(self.fin.readline()) |
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68 |
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69 def redirect(self): |
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70 pass |
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71 |
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72 def sendresponse(self, v): |
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73 self.fout.write("%d\n" % len(v)) |
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74 self.fout.write(v) |
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75 self.fout.flush() |
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76 |
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77 def sendstream(self, source): |
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78 write = self.fout.write |
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79 |
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80 if source.reader: |
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81 gen = iter(lambda: source.reader.read(4096), '') |
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82 else: |
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83 gen = source.gen |
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84 |
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85 for chunk in gen: |
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86 write(chunk) |
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87 self.fout.flush() |
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88 |
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89 def sendpushresponse(self, rsp): |
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90 self.sendresponse('') |
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91 self.sendresponse(str(rsp.res)) |
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92 |
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93 def sendpusherror(self, rsp): |
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94 self.sendresponse(rsp.res) |
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95 |
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96 def sendooberror(self, rsp): |
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97 self.ui.ferr.write('%s\n-\n' % rsp.message) |
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98 self.ui.ferr.flush() |
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99 self.fout.write('\n') |
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100 self.fout.flush() |
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101 |
2396 | 102 def serve_forever(self): |
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103 try: |
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104 while self.serve_one(): |
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105 pass |
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106 finally: |
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107 if self.lock is not None: |
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108 self.lock.release() |
2396 | 109 sys.exit(0) |
110 | |
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111 handlers = { |
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112 str: sendresponse, |
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113 wireproto.streamres: sendstream, |
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114 wireproto.pushres: sendpushresponse, |
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115 wireproto.pusherr: sendpusherror, |
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116 wireproto.ooberror: sendooberror, |
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117 } |
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118 |
2396 | 119 def serve_one(self): |
120 cmd = self.fin.readline()[:-1] | |
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121 if cmd and cmd in wireproto.commands: |
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122 rsp = wireproto.dispatch(self.repo, self, cmd) |
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123 self.handlers[rsp.__class__](self, rsp) |
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124 elif cmd: |
2396 | 125 impl = getattr(self, 'do_' + cmd, None) |
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126 if impl: |
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127 r = impl() |
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128 if r is not None: |
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129 self.sendresponse(r) |
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130 else: self.sendresponse("") |
2396 | 131 return cmd != '' |
132 | |
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133 def _client(self): |
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134 client = encoding.environ.get('SSH_CLIENT', '').split(' ', 1)[0] |
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135 return 'remote:ssh:' + client |