Mercurial > hg
annotate mercurial/posix.py @ 47507:d4c795576aeb
dirstate-entry: turn dirstate tuple into a real object (like in C)
With dirstate V2, the stored information and actual format will change. This mean we need to start an a better abstraction for a dirstate entry that a tuple directly accessed.
By chance, the C code is already doing this and pretend to be a tuple. So it
should be fairly easy. We start with turning the tuple into an object, we will
slowly migrate the dirstate code to no longer use the tuple directly in later
changesets.
Differential Revision: https://phab.mercurial-scm.org/D10949
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sat, 03 Jul 2021 03:48:35 +0200 |
parents | 5b3513177f2b |
children | bb917eea1605 |
rev | line source |
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1 # posix.py - Posix utility function implementations for Mercurial |
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2 # |
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3 # Copyright 2005-2009 Olivia Mackall <olivia@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import errno |
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11 import fcntl |
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12 import getpass |
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13 import grp |
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14 import os |
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15 import pwd |
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16 import re |
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17 import select |
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18 import stat |
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19 import sys |
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20 import tempfile |
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21 import unicodedata |
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22 |
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23 from .i18n import _ |
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24 from .pycompat import ( |
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25 getattr, |
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26 open, |
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27 ) |
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28 from . import ( |
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29 encoding, |
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30 error, |
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31 policy, |
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32 pycompat, |
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33 ) |
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34 |
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35 osutil = policy.importmod('osutil') |
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36 |
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37 normpath = os.path.normpath |
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38 samestat = os.path.samestat |
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39 try: |
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40 oslink = os.link |
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41 except AttributeError: |
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42 # Some platforms build Python without os.link on systems that are |
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43 # vaguely unix-like but don't have hardlink support. For those |
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44 # poor souls, just say we tried and that it failed so we fall back |
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45 # to copies. |
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46 def oslink(src, dst): |
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47 raise OSError( |
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48 errno.EINVAL, b'hardlinks not supported: %s to %s' % (src, dst) |
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49 ) |
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50 |
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51 |
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52 readlink = os.readlink |
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53 unlink = os.unlink |
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54 rename = os.rename |
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55 removedirs = os.removedirs |
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56 expandglobs = False |
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57 |
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58 umask = os.umask(0) |
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59 os.umask(umask) |
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60 |
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61 if not pycompat.ispy3: |
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62 |
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63 def posixfile(name, mode='r', buffering=-1): |
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64 fp = open(name, mode=mode, buffering=buffering) |
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65 # The position when opening in append mode is implementation defined, so |
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66 # make it consistent by always seeking to the end. |
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67 if 'a' in mode: |
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68 fp.seek(0, os.SEEK_END) |
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69 return fp |
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70 |
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71 |
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72 else: |
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73 # The underlying file object seeks as required in Python 3: |
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74 # https://github.com/python/cpython/blob/v3.7.3/Modules/_io/fileio.c#L474 |
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75 posixfile = open |
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76 |
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77 |
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78 def split(p): |
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79 """Same as posixpath.split, but faster |
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80 |
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81 >>> import posixpath |
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82 >>> for f in [b'/absolute/path/to/file', |
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83 ... b'relative/path/to/file', |
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84 ... b'file_alone', |
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85 ... b'path/to/directory/', |
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86 ... b'/multiple/path//separators', |
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87 ... b'/file_at_root', |
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88 ... b'///multiple_leading_separators_at_root', |
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89 ... b'']: |
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90 ... assert split(f) == posixpath.split(f), f |
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91 """ |
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92 ht = p.rsplit(b'/', 1) |
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93 if len(ht) == 1: |
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94 return b'', p |
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95 nh = ht[0].rstrip(b'/') |
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96 if nh: |
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97 return nh, ht[1] |
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98 return ht[0] + b'/', ht[1] |
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99 |
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100 |
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101 def openhardlinks(): |
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102 '''return true if it is safe to hold open file handles to hardlinks''' |
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103 return True |
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104 |
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105 |
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106 def nlinks(name): |
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107 '''return number of hardlinks for the given file''' |
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108 return os.lstat(name).st_nlink |
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109 |
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110 |
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111 def parsepatchoutput(output_line): |
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112 """parses the output produced by patch and returns the filename""" |
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113 pf = output_line[14:] |
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114 if pycompat.sysplatform == b'OpenVMS': |
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115 if pf[0] == b'`': |
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116 pf = pf[1:-1] # Remove the quotes |
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117 else: |
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118 if pf.startswith(b"'") and pf.endswith(b"'") and b" " in pf: |
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119 pf = pf[1:-1] # Remove the quotes |
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120 return pf |
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121 |
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122 |
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123 def sshargs(sshcmd, host, user, port): |
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124 '''Build argument list for ssh''' |
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125 args = user and (b"%s@%s" % (user, host)) or host |
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126 if b'-' in args[:1]: |
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127 raise error.Abort( |
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128 _(b'illegal ssh hostname or username starting with -: %s') % args |
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129 ) |
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130 args = shellquote(args) |
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131 if port: |
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132 args = b'-p %s %s' % (shellquote(port), args) |
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133 return args |
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134 |
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135 |
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136 def isexec(f): |
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137 """check whether a file is executable""" |
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138 return os.lstat(f).st_mode & 0o100 != 0 |
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139 |
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140 |
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141 def setflags(f, l, x): |
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142 st = os.lstat(f) |
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143 s = st.st_mode |
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144 if l: |
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145 if not stat.S_ISLNK(s): |
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146 # switch file to link |
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147 with open(f, b'rb') as fp: |
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148 data = fp.read() |
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149 unlink(f) |
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150 try: |
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151 os.symlink(data, f) |
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152 except OSError: |
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153 # failed to make a link, rewrite file |
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154 with open(f, b"wb") as fp: |
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155 fp.write(data) |
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156 |
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157 # no chmod needed at this point |
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158 return |
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159 if stat.S_ISLNK(s): |
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160 # switch link to file |
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161 data = os.readlink(f) |
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162 unlink(f) |
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163 with open(f, b"wb") as fp: |
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164 fp.write(data) |
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165 s = 0o666 & ~umask # avoid restatting for chmod |
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166 |
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167 sx = s & 0o100 |
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168 if st.st_nlink > 1 and bool(x) != bool(sx): |
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169 # the file is a hardlink, break it |
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170 with open(f, b"rb") as fp: |
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171 data = fp.read() |
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172 unlink(f) |
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173 with open(f, b"wb") as fp: |
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174 fp.write(data) |
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175 |
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176 if x and not sx: |
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177 # Turn on +x for every +r bit when making a file executable |
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178 # and obey umask. |
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179 os.chmod(f, s | (s & 0o444) >> 2 & ~umask) |
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180 elif not x and sx: |
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181 # Turn off all +x bits |
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182 os.chmod(f, s & 0o666) |
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183 |
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184 |
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185 def copymode(src, dst, mode=None, enforcewritable=False): |
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186 """Copy the file mode from the file at path src to dst. |
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187 If src doesn't exist, we're using mode instead. If mode is None, we're |
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188 using umask.""" |
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189 try: |
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190 st_mode = os.lstat(src).st_mode & 0o777 |
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191 except OSError as inst: |
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192 if inst.errno != errno.ENOENT: |
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193 raise |
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194 st_mode = mode |
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195 if st_mode is None: |
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196 st_mode = ~umask |
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197 st_mode &= 0o666 |
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198 |
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199 new_mode = st_mode |
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200 |
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201 if enforcewritable: |
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202 new_mode |= stat.S_IWUSR |
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203 |
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204 os.chmod(dst, new_mode) |
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205 |
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206 |
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207 def checkexec(path): |
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208 """ |
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209 Check whether the given path is on a filesystem with UNIX-like exec flags |
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210 |
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211 Requires a directory (like /foo/.hg) |
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212 """ |
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213 |
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214 # VFAT on some Linux versions can flip mode but it doesn't persist |
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215 # a FS remount. Frequently we can detect it if files are created |
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216 # with exec bit on. |
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217 |
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218 try: |
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219 EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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220 basedir = os.path.join(path, b'.hg') |
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221 cachedir = os.path.join(basedir, b'wcache') |
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222 storedir = os.path.join(basedir, b'store') |
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223 if not os.path.exists(cachedir): |
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224 try: |
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225 # we want to create the 'cache' directory, not the '.hg' one. |
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226 # Automatically creating '.hg' directory could silently spawn |
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227 # invalid Mercurial repositories. That seems like a bad idea. |
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228 os.mkdir(cachedir) |
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229 if os.path.exists(storedir): |
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230 copymode(storedir, cachedir) |
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231 else: |
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232 copymode(basedir, cachedir) |
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233 except (IOError, OSError): |
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234 # we other fallback logic triggers |
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235 pass |
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236 if os.path.isdir(cachedir): |
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237 checkisexec = os.path.join(cachedir, b'checkisexec') |
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238 checknoexec = os.path.join(cachedir, b'checknoexec') |
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239 |
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240 try: |
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241 m = os.stat(checkisexec).st_mode |
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242 except OSError as e: |
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243 if e.errno != errno.ENOENT: |
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244 raise |
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245 # checkisexec does not exist - fall through ... |
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246 else: |
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247 # checkisexec exists, check if it actually is exec |
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248 if m & EXECFLAGS != 0: |
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249 # ensure checkisexec exists, check it isn't exec |
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250 try: |
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251 m = os.stat(checknoexec).st_mode |
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252 except OSError as e: |
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253 if e.errno != errno.ENOENT: |
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254 raise |
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255 open(checknoexec, b'w').close() # might fail |
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256 m = os.stat(checknoexec).st_mode |
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257 if m & EXECFLAGS == 0: |
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258 # check-exec is exec and check-no-exec is not exec |
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259 return True |
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260 # checknoexec exists but is exec - delete it |
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261 unlink(checknoexec) |
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262 # checkisexec exists but is not exec - delete it |
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263 unlink(checkisexec) |
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264 |
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265 # check using one file, leave it as checkisexec |
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266 checkdir = cachedir |
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267 else: |
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268 # check directly in path and don't leave checkisexec behind |
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269 checkdir = path |
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270 checkisexec = None |
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271 fh, fn = pycompat.mkstemp(dir=checkdir, prefix=b'hg-checkexec-') |
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272 try: |
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273 os.close(fh) |
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274 m = os.stat(fn).st_mode |
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275 if m & EXECFLAGS == 0: |
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276 os.chmod(fn, m & 0o777 | EXECFLAGS) |
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277 if os.stat(fn).st_mode & EXECFLAGS != 0: |
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278 if checkisexec is not None: |
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279 os.rename(fn, checkisexec) |
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280 fn = None |
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281 return True |
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282 finally: |
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283 if fn is not None: |
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284 unlink(fn) |
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285 except (IOError, OSError): |
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286 # we don't care, the user probably won't be able to commit anyway |
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287 return False |
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288 |
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289 |
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290 def checklink(path): |
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291 """check whether the given path is on a symlink-capable filesystem""" |
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292 # mktemp is not racy because symlink creation will fail if the |
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293 # file already exists |
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294 while True: |
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295 cachedir = os.path.join(path, b'.hg', b'wcache') |
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296 checklink = os.path.join(cachedir, b'checklink') |
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297 # try fast path, read only |
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298 if os.path.islink(checklink): |
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299 return True |
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300 if os.path.isdir(cachedir): |
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301 checkdir = cachedir |
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302 else: |
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303 checkdir = path |
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304 cachedir = None |
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305 name = tempfile.mktemp( |
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306 dir=pycompat.fsdecode(checkdir), prefix=r'checklink-' |
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307 ) |
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308 name = pycompat.fsencode(name) |
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309 try: |
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310 fd = None |
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311 if cachedir is None: |
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312 fd = pycompat.namedtempfile( |
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313 dir=checkdir, prefix=b'hg-checklink-' |
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314 ) |
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315 target = os.path.basename(fd.name) |
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316 else: |
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317 # create a fixed file to link to; doesn't matter if it |
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318 # already exists. |
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319 target = b'checklink-target' |
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320 try: |
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321 fullpath = os.path.join(cachedir, target) |
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322 open(fullpath, b'w').close() |
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323 except IOError as inst: |
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324 # pytype: disable=unsupported-operands |
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325 if inst[0] == errno.EACCES: |
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326 # pytype: enable=unsupported-operands |
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327 |
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328 # If we can't write to cachedir, just pretend |
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329 # that the fs is readonly and by association |
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330 # that the fs won't support symlinks. This |
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331 # seems like the least dangerous way to avoid |
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332 # data loss. |
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333 return False |
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334 raise |
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335 try: |
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336 os.symlink(target, name) |
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337 if cachedir is None: |
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338 unlink(name) |
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339 else: |
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340 try: |
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341 os.rename(name, checklink) |
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342 except OSError: |
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343 unlink(name) |
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344 return True |
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345 except OSError as inst: |
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346 # link creation might race, try again |
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347 if inst.errno == errno.EEXIST: |
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348 continue |
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349 raise |
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350 finally: |
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351 if fd is not None: |
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352 fd.close() |
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353 except AttributeError: |
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354 return False |
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355 except OSError as inst: |
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|
356 # sshfs might report failure while successfully creating the link |
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357 if inst.errno == errno.EIO and os.path.exists(name): |
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358 unlink(name) |
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359 return False |
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360 |
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361 |
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path_auditor: check filenames for basic platform validity (issue2755)
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362 def checkosfilename(path): |
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363 """Check that the base-relative path is a valid filename on this platform. |
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364 Returns None if the path is ok, or a UI string describing the problem.""" |
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365 return None # on posix platforms, every path is ok |
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366 |
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367 |
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368 def getfsmountpoint(dirpath): |
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369 """Get the filesystem mount point from a directory (best-effort) |
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370 |
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371 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
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372 """ |
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373 return getattr(osutil, 'getfsmountpoint', lambda x: None)(dirpath) |
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374 |
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375 |
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376 def getfstype(dirpath): |
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377 """Get the filesystem type name from a directory (best-effort) |
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378 |
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379 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
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380 """ |
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381 return getattr(osutil, 'getfstype', lambda x: None)(dirpath) |
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382 |
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383 |
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384 def get_password(): |
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385 return encoding.strtolocal(getpass.getpass('')) |
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386 |
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387 |
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388 def setbinary(fd): |
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389 pass |
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390 |
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391 |
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392 def pconvert(path): |
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393 return path |
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394 |
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395 |
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396 def localpath(path): |
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397 return path |
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398 |
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399 |
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400 def samefile(fpath1, fpath2): |
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401 """Returns whether path1 and path2 refer to the same file. This is only |
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402 guaranteed to work for files, not directories.""" |
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403 return os.path.samefile(fpath1, fpath2) |
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404 |
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405 |
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406 def samedevice(fpath1, fpath2): |
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407 """Returns whether fpath1 and fpath2 are on the same device. This is only |
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408 guaranteed to work for files, not directories.""" |
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409 st1 = os.lstat(fpath1) |
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410 st2 = os.lstat(fpath2) |
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411 return st1.st_dev == st2.st_dev |
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412 |
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413 |
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414 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems |
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415 def normcase(path): |
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416 return path.lower() |
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417 |
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418 |
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419 # what normcase does to ASCII strings |
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420 normcasespec = encoding.normcasespecs.lower |
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421 # fallback normcase function for non-ASCII strings |
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422 normcasefallback = normcase |
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423 |
34647 | 424 if pycompat.isdarwin: |
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425 |
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426 def normcase(path): |
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427 """ |
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|
428 Normalize a filename for OS X-compatible comparison: |
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|
429 - escape-encode invalid characters |
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|
430 - decompose to NFD |
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|
431 - lowercase |
23597
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
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|
432 - omit ignored characters [200c-200f, 202a-202e, 206a-206f,feff] |
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|
433 |
34131
0fa781320203
doctest: bulk-replace string literals with b'' for Python 3
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changeset
|
434 >>> normcase(b'UPPER') |
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|
435 'upper' |
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|
436 >>> normcase(b'Caf\\xc3\\xa9') |
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|
437 'cafe\\xcc\\x81' |
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|
438 >>> normcase(b'\\xc3\\x89') |
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|
439 'e\\xcc\\x81' |
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|
440 >>> normcase(b'\\xb8\\xca\\xc3\\xca\\xbe\\xc8.JPG') # issue3918 |
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|
441 '%b8%ca%c3\\xca\\xbe%c8.jpg' |
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442 """ |
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|
443 |
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|
444 try: |
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445 return encoding.asciilower(path) # exception for non-ASCII |
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|
446 except UnicodeDecodeError: |
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|
447 return normcasefallback(path) |
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|
448 |
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449 normcasespec = encoding.normcasespecs.lower |
136ab89d61cb
darwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24594
diff
changeset
|
450 |
136ab89d61cb
darwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24594
diff
changeset
|
451 def normcasefallback(path): |
18501
a3b2dc1aa909
OS X: try cheap ascii .lower() in normcase before making full unicode dance
Mads Kiilerich <madski@unity3d.com>
parents:
18442
diff
changeset
|
452 try: |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
453 u = path.decode('utf-8') |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
454 except UnicodeDecodeError: |
19131
af3b651505e2
hfs+: rewrite percent-escaper (issue3918)
Matt Mackall <mpm@selenic.com>
parents:
18868
diff
changeset
|
455 # OS X percent-encodes any bytes that aren't valid utf-8 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
456 s = b'' |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
457 pos = 0 |
27380
c7129ed280b8
mac: fix percent-encoding of non-utf-8 characters (issue4999)
Matt Mackall <mpm@selenic.com>
parents:
27362
diff
changeset
|
458 l = len(path) |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
459 while pos < l: |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
460 try: |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
461 c = encoding.getutf8char(path, pos) |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
462 pos += len(c) |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
463 except ValueError: |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
464 c = b'%%%02X' % ord(path[pos : pos + 1]) |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
465 pos += 1 |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
466 s += c |
19131
af3b651505e2
hfs+: rewrite percent-escaper (issue3918)
Matt Mackall <mpm@selenic.com>
parents:
18868
diff
changeset
|
467 |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
468 u = s.decode('utf-8') |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
469 |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
470 # Decompose then lowercase (HFS+ technote specifies lower) |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43477
diff
changeset
|
471 enc = unicodedata.normalize('NFD', u).lower().encode('utf-8') |
23597
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
Augie Fackler <raf@durin42.com>
parents:
22946
diff
changeset
|
472 # drop HFS+ ignored characters |
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
Augie Fackler <raf@durin42.com>
parents:
22946
diff
changeset
|
473 return encoding.hfsignoreclean(enc) |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
474 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
475 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
476 if pycompat.sysplatform == b'cygwin': |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
477 # workaround for cygwin, in which mount point part of path is |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
478 # treated as case sensitive, even though underlying NTFS is case |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
479 # insensitive. |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
480 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
481 # default mount points |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
482 cygwinmountpoints = sorted( |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
483 [ |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
484 b"/usr/bin", |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
485 b"/usr/lib", |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
486 b"/cygdrive", |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
487 ], |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45718
diff
changeset
|
488 reverse=True, |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
489 ) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
490 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
491 # use upper-ing as normcase as same as NTFS workaround |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
492 def normcase(path): |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
493 pathlen = len(path) |
30614
cfe66dcf45c0
py3: replace os.sep with pycompat.ossep (part 2 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30612
diff
changeset
|
494 if (pathlen == 0) or (path[0] != pycompat.ossep): |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
495 # treat as relative |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
496 return encoding.upper(path) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
497 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
498 # to preserve case of mountpoint part |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
499 for mp in cygwinmountpoints: |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
500 if not path.startswith(mp): |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
501 continue |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
502 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
503 mplen = len(mp) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
504 if mplen == pathlen: # mount point itself |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
505 return mp |
30614
cfe66dcf45c0
py3: replace os.sep with pycompat.ossep (part 2 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30612
diff
changeset
|
506 if path[mplen] == pycompat.ossep: |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
507 return mp + encoding.upper(path[mplen:]) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
508 |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
509 return encoding.upper(path) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
510 |
24596
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
511 normcasespec = encoding.normcasespecs.other |
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
512 normcasefallback = normcase |
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
513 |
16240
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
514 # Cygwin translates native ACLs to POSIX permissions, |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
515 # but these translations are not supported by native |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
516 # tools, so the exec bit tends to be set erroneously. |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
517 # Therefore, disable executable bit access on Cygwin. |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
518 def checkexec(path): |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
519 return False |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
520 |
16241
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
521 # Similarly, Cygwin's symlink emulation is likely to create |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
522 # problems when Mercurial is used from both Cygwin and native |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
523 # Windows, with other native tools, or on shared volumes |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
524 def checklink(path): |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
525 return False |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
526 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
527 |
23683
5edb387158a1
posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
changeset
|
528 _needsshellquote = None |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
529 |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
530 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
531 def shellquote(s): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
532 if pycompat.sysplatform == b'OpenVMS': |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
533 return b'"%s"' % s |
23683
5edb387158a1
posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
changeset
|
534 global _needsshellquote |
5edb387158a1
posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
changeset
|
535 if _needsshellquote is None: |
31491
492c64afc54c
py3: make the regular expression bytes to prevent TypeError
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30697
diff
changeset
|
536 _needsshellquote = re.compile(br'[^a-zA-Z0-9._/+-]').search |
24108
d65ecb814fc0
shellquote: fix missing quotes for empty string
Yuya Nishihara <yuya@tcha.org>
parents:
23683
diff
changeset
|
537 if s and not _needsshellquote(s): |
23683
5edb387158a1
posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
changeset
|
538 # "s" shouldn't have to be quoted |
5edb387158a1
posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
changeset
|
539 return s |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
540 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
541 return b"'%s'" % s.replace(b"'", b"'\\''") |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
542 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
543 |
36415
0cb09c322647
util: factor out shellsplit() function
Yuya Nishihara <yuya@tcha.org>
parents:
36303
diff
changeset
|
544 def shellsplit(s): |
0cb09c322647
util: factor out shellsplit() function
Yuya Nishihara <yuya@tcha.org>
parents:
36303
diff
changeset
|
545 """Parse a command string in POSIX shell way (best-effort)""" |
0cb09c322647
util: factor out shellsplit() function
Yuya Nishihara <yuya@tcha.org>
parents:
36303
diff
changeset
|
546 return pycompat.shlexsplit(s, posix=True) |
0cb09c322647
util: factor out shellsplit() function
Yuya Nishihara <yuya@tcha.org>
parents:
36303
diff
changeset
|
547 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
548 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
549 def testpid(pid): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
550 '''return False if pid dead, True if running or not sure''' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
551 if pycompat.sysplatform == b'OpenVMS': |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
552 return True |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
553 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
554 os.kill(pid, 0) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
555 return True |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
556 except OSError as inst: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
557 return inst.errno != errno.ESRCH |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
558 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
559 |
8657
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
560 def isowner(st): |
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
561 """Return True if the stat object st is from the current user.""" |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
562 return st.st_uid == os.getuid() |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
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563 |
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564 |
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rename util.find_exe to findexe
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parents:
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|
565 def findexe(command): |
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Augie Fackler <raf@durin42.com>
parents:
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|
566 """Find executable for command searching like which does. |
7890
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Matt Mackall <mpm@selenic.com>
parents:
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567 If command is a basename then PATH is searched for command. |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
568 PATH isn't searched if command is an absolute or relative path. |
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parents:
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|
569 If command isn't found None is returned.""" |
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parents:
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570 if pycompat.sysplatform == b'OpenVMS': |
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parents:
diff
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571 return command |
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572 |
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573 def findexisting(executable): |
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Augie Fackler <augie@google.com>
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574 b'Will return executable if existing file' |
15499
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posix: fix findexe() to check for file type and access
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parents:
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|
575 if os.path.isfile(executable) and os.access(executable, os.X_OK): |
7890
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576 return executable |
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Matt Mackall <mpm@selenic.com>
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|
577 return None |
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Matt Mackall <mpm@selenic.com>
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diff
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|
578 |
30614
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py3: replace os.sep with pycompat.ossep (part 2 of 4)
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parents:
30612
diff
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|
579 if pycompat.ossep in command: |
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diff
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580 return findexisting(command) |
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parents:
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|
581 |
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Augie Fackler <augie@google.com>
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582 if pycompat.sysplatform == b'plan9': |
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parents:
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|
583 return findexisting(os.path.join(b'/bin', command)) |
16383
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
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|
584 |
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parents:
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585 for path in encoding.environ.get(b'PATH', b'').split(pycompat.ospathsep): |
7890
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parents:
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|
586 executable = findexisting(os.path.join(path, command)) |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
587 if executable is not None: |
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posix: fix findexe() to check for file type and access
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parents:
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588 return executable |
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Matt Mackall <mpm@selenic.com>
parents:
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|
589 return None |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
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|
590 |
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|
591 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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parents:
14235
diff
changeset
|
592 def setsignalhandler(): |
7890
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|
593 pass |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
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|
594 |
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|
595 |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
32129
diff
changeset
|
596 _wantedkinds = {stat.S_IFREG, stat.S_IFLNK} |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
597 |
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598 |
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parents:
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|
599 def statfiles(files): |
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Augie Fackler <raf@durin42.com>
parents:
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|
600 """Stat each file in files. Yield each stat, or None if a file does not |
89a2afe31e82
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parents:
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|
601 exist or has a type we don't care about.""" |
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Matt Mackall <mpm@selenic.com>
parents:
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|
602 lstat = os.lstat |
18017
74912fe3d718
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Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
603 getkind = stat.S_IFMT |
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util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
604 for nf in files: |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
605 try: |
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Matt Mackall <mpm@selenic.com>
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diff
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|
606 st = lstat(nf) |
18017
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Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
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|
607 if getkind(st.st_mode) not in _wantedkinds: |
74912fe3d718
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
608 st = None |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
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|
609 except OSError as err: |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
610 if err.errno not in (errno.ENOENT, errno.ENOTDIR): |
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parents:
diff
changeset
|
611 raise |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
612 st = None |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
613 yield st |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
614 |
43076
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|
615 |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
616 def getuser(): |
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parents:
diff
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|
617 '''return name of current user''' |
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parents:
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|
618 return pycompat.fsencode(getpass.getuser()) |
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|
619 |
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|
620 |
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Matt Mackall <mpm@selenic.com>
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changeset
|
621 def username(uid=None): |
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parents:
diff
changeset
|
622 """Return the name of the user with the given uid. |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
623 |
e710f0f592b2
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|
624 If uid is None, return the name of the current user.""" |
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parents:
diff
changeset
|
625 |
e710f0f592b2
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parents:
diff
changeset
|
626 if uid is None: |
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diff
changeset
|
627 uid = os.getuid() |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
628 try: |
38252
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py3: make sure util.username() always returns bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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changeset
|
629 return pycompat.fsencode(pwd.getpwuid(uid)[0]) |
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parents:
diff
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|
630 except KeyError: |
38252
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py3: make sure util.username() always returns bytes
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parents:
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changeset
|
631 return b'%d' % uid |
7890
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parents:
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|
632 |
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|
633 |
7890
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Matt Mackall <mpm@selenic.com>
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diff
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|
634 def groupname(gid=None): |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
635 """Return the name of the group with the given gid. |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
636 |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
637 If gid is None, return the name of the current group.""" |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
638 |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
639 if gid is None: |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
640 gid = os.getgid() |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
641 try: |
41827
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py3: make sure return value of posix.groupname() is bytes
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41523
diff
changeset
|
642 return pycompat.fsencode(grp.getgrgid(gid)[0]) |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
643 except KeyError: |
41827
faa04f45b5fe
py3: make sure return value of posix.groupname() is bytes
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41523
diff
changeset
|
644 return pycompat.bytestr(gid) |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
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|
645 |
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|
646 |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
647 def groupmembers(name): |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
648 """Return the list of members of the group with the given |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
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diff
changeset
|
649 name, KeyError if the group does not exist. |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
650 """ |
41523
3ef8bec91465
py3: do a fsdecode(), fsencode() dance in posix.py
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41504
diff
changeset
|
651 name = pycompat.fsdecode(name) |
3ef8bec91465
py3: do a fsdecode(), fsencode() dance in posix.py
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41504
diff
changeset
|
652 return pycompat.rapply(pycompat.fsencode, list(grp.getgrnam(name).gr_mem)) |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
653 |
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|
654 |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
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|
655 def spawndetached(args): |
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|
656 return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), args[0], args) |
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|
657 |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
658 |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
659 def gethgcmd(): |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
660 return sys.argv[:1] |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
661 |
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changeset
|
662 |
14908
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
663 def makedir(path, notindexed): |
e2b5605501df
util: move "default" makedir to posix.py
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parents:
14273
diff
changeset
|
664 os.mkdir(path) |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
665 |
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|
666 |
14910
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
667 def lookupreg(key, name=None, scope=None): |
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
668 return None |
14911
5b39503157fd
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parents:
14910
diff
changeset
|
669 |
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|
670 |
14911
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Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
671 def hidewindow(): |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
672 """Hide current shell window. |
5b39503157fd
util: move "default" hidewindow to posix.py
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parents:
14910
diff
changeset
|
673 |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
674 Used to hide the window opened when starting asynchronous |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
675 child process under Windows, unneeded on other systems. |
5b39503157fd
util: move "default" hidewindow to posix.py
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parents:
14910
diff
changeset
|
676 """ |
5b39503157fd
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Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
677 pass |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14911
diff
changeset
|
678 |
43076
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parents:
42562
diff
changeset
|
679 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
680 class cachestat(object): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
681 def __init__(self, path): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
682 self.stat = os.stat(path) |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
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683 |
2aa3e07b2f07
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|
684 def cacheable(self): |
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parents:
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685 return bool(self.stat.st_ino) |
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posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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|
686 |
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Use explicit integer division
Martin Geisler <mg@aragost.com>
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|
687 __hash__ = object.__hash__ |
a814f8fcc65a
Use explicit integer division
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parents:
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|
688 |
14927
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|
689 def __eq__(self, other): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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diff
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|
690 try: |
18442
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
691 # Only dev, ino, size, mtime and atime are likely to change. Out |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
692 # of these, we shouldn't compare atime but should compare the |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
693 # rest. However, one of the other fields changing indicates |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
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parents:
18288
diff
changeset
|
694 # something fishy going on, so return False if anything but atime |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
695 # changes. |
43076
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|
696 return ( |
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|
697 self.stat.st_mode == other.stat.st_mode |
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Augie Fackler <augie@google.com>
parents:
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|
698 and self.stat.st_ino == other.stat.st_ino |
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diff
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|
699 and self.stat.st_dev == other.stat.st_dev |
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700 and self.stat.st_nlink == other.stat.st_nlink |
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Augie Fackler <augie@google.com>
parents:
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diff
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|
701 and self.stat.st_uid == other.stat.st_uid |
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parents:
42562
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702 and self.stat.st_gid == other.stat.st_gid |
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diff
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|
703 and self.stat.st_size == other.stat.st_size |
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parents:
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|
704 and self.stat[stat.ST_MTIME] == other.stat[stat.ST_MTIME] |
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parents:
42562
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|
705 and self.stat[stat.ST_CTIME] == other.stat[stat.ST_CTIME] |
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parents:
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diff
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|
706 ) |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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|
707 except AttributeError: |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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|
708 return False |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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diff
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|
709 |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
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|
710 def __ne__(self, other): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
711 return not self == other |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
712 |
43076
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Augie Fackler <augie@google.com>
parents:
42562
diff
changeset
|
713 |
18868
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
714 def statislink(st): |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
715 '''check whether a stat result is a symlink''' |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
716 return st and stat.S_ISLNK(st.st_mode) |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
717 |
43076
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parents:
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diff
changeset
|
718 |
18868
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
719 def statisexec(st): |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18501
diff
changeset
|
720 '''check whether a stat result is an executable file''' |
25658
e93036747902
global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25420
diff
changeset
|
721 return st and (st.st_mode & 0o100 != 0) |
22245
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
722 |
43076
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parents:
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|
723 |
25420
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
724 def poll(fds): |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
725 """block until something happens on any file descriptor |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
726 |
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
727 This is a generic helper that will check for any activity |
c2ec81891502
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
728 (read, write. exception) and return the list of touched files. |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
729 |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
730 In unsupported cases, it will raise a NotImplementedError""" |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
731 try: |
30654
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
732 while True: |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
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|
733 try: |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
29530
diff
changeset
|
734 res = select.select(fds, fds, fds) |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
29530
diff
changeset
|
735 break |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
736 except select.error as inst: |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
737 if inst.args[0] == errno.EINTR: |
5f33116cd787
posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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changeset
|
738 continue |
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posix: make poll() restart on interruption by signal (issue5452)
Yuya Nishihara <yuya@tcha.org>
parents:
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|
739 raise |
43076
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parents:
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|
740 except ValueError: # out of range file descriptor |
25420
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util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
741 raise NotImplementedError() |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
742 return sorted(list(set(sum(res, [])))) |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24692
diff
changeset
|
743 |
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changeset
|
744 |
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234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
745 def readpipe(pipe): |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
746 """Read all available data from a pipe.""" |
22246
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
747 # We can't fstat() a pipe because Linux will always report 0. |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
748 # So, we set the pipe to non-blocking mode and read everything |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
749 # that's available. |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
750 flags = fcntl.fcntl(pipe, fcntl.F_GETFL) |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
751 flags |= os.O_NONBLOCK |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
752 oldflags = fcntl.fcntl(pipe, fcntl.F_SETFL, flags) |
22245
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
753 |
22246
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
754 try: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
755 chunks = [] |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
756 while True: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
757 try: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
758 s = pipe.read() |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
759 if not s: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
760 break |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
761 chunks.append(s) |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
762 except IOError: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
763 break |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
764 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
765 return b''.join(chunks) |
22246
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
766 finally: |
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
767 fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags) |
29530
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
768 |
43076
2372284d9457
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parents:
42562
diff
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|
769 |
29530
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
770 def bindunixsocket(sock, path): |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
771 """Bind the UNIX domain socket to the specified path""" |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
772 # use relative path instead of full path at bind() if possible, since |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
773 # AF_UNIX path has very small length limit (107 chars) on common |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
774 # platforms (see sys/un.h) |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
775 dirname, basename = os.path.split(path) |
3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
Yuya Nishihara <yuya@tcha.org>
parents:
27380
diff
changeset
|
776 bakwdfd = None |
45718
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
777 |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
778 try: |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
779 if dirname: |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
780 bakwdfd = os.open(b'.', os.O_DIRECTORY) |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
781 os.chdir(dirname) |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
782 sock.bind(basename) |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
783 if bakwdfd: |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
784 os.fchdir(bakwdfd) |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
785 finally: |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
786 if bakwdfd: |
87c35b5a14eb
posix: avoid a leaked file descriptor in a unix domain socket exception case
Matt Harbison <matt_harbison@yahoo.com>
parents:
45717
diff
changeset
|
787 os.close(bakwdfd) |