Mercurial > hg
annotate mercurial/posix.py @ 31538:e6d4cc29fd60
posix: use local reference to removedirs
We have a local reference to os.removedirs in module scope, but we still used
os.removedirs inside functions. This changes util to use the local reference,
which will pave the way for combining duplicated code in future patches.
author | Ryan McElroy <rmcelroy@fb.com> |
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date | Tue, 21 Mar 2017 06:50:28 -0700 |
parents | c6cbe5720353 |
children | 52361c4f4dac |
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 Matt Mackall <mpm@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 . import ( |
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25 encoding, |
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26 pycompat, |
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27 ) |
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28 |
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29 posixfile = open |
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30 normpath = os.path.normpath |
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31 samestat = os.path.samestat |
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32 try: |
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33 oslink = os.link |
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34 except AttributeError: |
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35 # Some platforms build Python without os.link on systems that are |
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36 # vaguely unix-like but don't have hardlink support. For those |
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37 # poor souls, just say we tried and that it failed so we fall back |
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38 # to copies. |
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39 def oslink(src, dst): |
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40 raise OSError(errno.EINVAL, |
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41 'hardlinks not supported: %s to %s' % (src, dst)) |
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42 unlink = os.unlink |
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43 rename = os.rename |
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44 removedirs = os.removedirs |
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45 expandglobs = False |
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46 |
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47 umask = os.umask(0) |
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48 os.umask(umask) |
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49 |
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50 def split(p): |
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51 '''Same as posixpath.split, but faster |
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52 |
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53 >>> import posixpath |
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54 >>> for f in ['/absolute/path/to/file', |
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55 ... 'relative/path/to/file', |
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56 ... 'file_alone', |
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57 ... 'path/to/directory/', |
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58 ... '/multiple/path//separators', |
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59 ... '/file_at_root', |
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60 ... '///multiple_leading_separators_at_root', |
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61 ... '']: |
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62 ... assert split(f) == posixpath.split(f), f |
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63 ''' |
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64 ht = p.rsplit('/', 1) |
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65 if len(ht) == 1: |
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66 return '', p |
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67 nh = ht[0].rstrip('/') |
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68 if nh: |
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69 return nh, ht[1] |
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70 return ht[0] + '/', ht[1] |
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71 |
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72 def openhardlinks(): |
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73 '''return true if it is safe to hold open file handles to hardlinks''' |
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74 return True |
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75 |
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76 def nlinks(name): |
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77 '''return number of hardlinks for the given file''' |
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78 return os.lstat(name).st_nlink |
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79 |
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80 def parsepatchoutput(output_line): |
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81 """parses the output produced by patch and returns the filename""" |
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82 pf = output_line[14:] |
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83 if pycompat.sysplatform == 'OpenVMS': |
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84 if pf[0] == '`': |
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85 pf = pf[1:-1] # Remove the quotes |
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86 else: |
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87 if pf.startswith("'") and pf.endswith("'") and " " in pf: |
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88 pf = pf[1:-1] # Remove the quotes |
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89 return pf |
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90 |
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91 def sshargs(sshcmd, host, user, port): |
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92 '''Build argument list for ssh''' |
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93 args = user and ("%s@%s" % (user, host)) or host |
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94 return port and ("%s -p %s" % (args, port)) or args |
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95 |
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96 def isexec(f): |
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97 """check whether a file is executable""" |
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98 return (os.lstat(f).st_mode & 0o100 != 0) |
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99 |
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100 def setflags(f, l, x): |
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101 s = os.lstat(f).st_mode |
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102 if l: |
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103 if not stat.S_ISLNK(s): |
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104 # switch file to link |
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105 fp = open(f) |
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106 data = fp.read() |
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107 fp.close() |
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108 unlink(f) |
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109 try: |
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110 os.symlink(data, f) |
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111 except OSError: |
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112 # failed to make a link, rewrite file |
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113 fp = open(f, "w") |
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114 fp.write(data) |
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115 fp.close() |
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116 # no chmod needed at this point |
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117 return |
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118 if stat.S_ISLNK(s): |
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119 # switch link to file |
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120 data = os.readlink(f) |
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121 unlink(f) |
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122 fp = open(f, "w") |
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123 fp.write(data) |
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124 fp.close() |
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125 s = 0o666 & ~umask # avoid restatting for chmod |
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126 |
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127 sx = s & 0o100 |
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128 if x and not sx: |
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129 # Turn on +x for every +r bit when making a file executable |
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130 # and obey umask. |
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131 os.chmod(f, s | (s & 0o444) >> 2 & ~umask) |
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132 elif not x and sx: |
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133 # Turn off all +x bits |
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134 os.chmod(f, s & 0o666) |
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135 |
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136 def copymode(src, dst, mode=None): |
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137 '''Copy the file mode from the file at path src to dst. |
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138 If src doesn't exist, we're using mode instead. If mode is None, we're |
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139 using umask.''' |
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140 try: |
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141 st_mode = os.lstat(src).st_mode & 0o777 |
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142 except OSError as inst: |
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143 if inst.errno != errno.ENOENT: |
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144 raise |
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145 st_mode = mode |
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146 if st_mode is None: |
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147 st_mode = ~umask |
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148 st_mode &= 0o666 |
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149 os.chmod(dst, st_mode) |
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150 |
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151 def checkexec(path): |
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152 """ |
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153 Check whether the given path is on a filesystem with UNIX-like exec flags |
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154 |
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155 Requires a directory (like /foo/.hg) |
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156 """ |
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157 |
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158 # VFAT on some Linux versions can flip mode but it doesn't persist |
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159 # a FS remount. Frequently we can detect it if files are created |
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160 # with exec bit on. |
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161 |
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162 try: |
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163 EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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164 cachedir = os.path.join(path, '.hg', 'cache') |
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165 if os.path.isdir(cachedir): |
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166 checkisexec = os.path.join(cachedir, 'checkisexec') |
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167 checknoexec = os.path.join(cachedir, 'checknoexec') |
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168 |
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169 try: |
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170 m = os.stat(checkisexec).st_mode |
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171 except OSError as e: |
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172 if e.errno != errno.ENOENT: |
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173 raise |
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174 # checkisexec does not exist - fall through ... |
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175 else: |
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176 # checkisexec exists, check if it actually is exec |
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177 if m & EXECFLAGS != 0: |
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178 # ensure checkisexec exists, check it isn't exec |
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179 try: |
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180 m = os.stat(checknoexec).st_mode |
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181 except OSError as e: |
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182 if e.errno != errno.ENOENT: |
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183 raise |
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184 open(checknoexec, 'w').close() # might fail |
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185 m = os.stat(checknoexec).st_mode |
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186 if m & EXECFLAGS == 0: |
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187 # check-exec is exec and check-no-exec is not exec |
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188 return True |
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189 # checknoexec exists but is exec - delete it |
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190 unlink(checknoexec) |
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191 # checkisexec exists but is not exec - delete it |
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192 unlink(checkisexec) |
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193 |
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194 # check using one file, leave it as checkisexec |
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195 checkdir = cachedir |
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196 else: |
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197 # check directly in path and don't leave checkisexec behind |
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198 checkdir = path |
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199 checkisexec = None |
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200 fh, fn = tempfile.mkstemp(dir=checkdir, prefix='hg-checkexec-') |
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201 try: |
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202 os.close(fh) |
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203 m = os.stat(fn).st_mode |
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204 if m & EXECFLAGS == 0: |
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205 os.chmod(fn, m & 0o777 | EXECFLAGS) |
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206 if os.stat(fn).st_mode & EXECFLAGS != 0: |
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207 if checkisexec is not None: |
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208 os.rename(fn, checkisexec) |
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209 fn = None |
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210 return True |
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211 finally: |
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212 if fn is not None: |
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213 unlink(fn) |
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214 except (IOError, OSError): |
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215 # we don't care, the user probably won't be able to commit anyway |
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216 return False |
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217 |
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218 def checklink(path): |
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219 """check whether the given path is on a symlink-capable filesystem""" |
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220 # mktemp is not racy because symlink creation will fail if the |
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221 # file already exists |
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222 while True: |
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223 cachedir = os.path.join(path, '.hg', 'cache') |
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224 checklink = os.path.join(cachedir, 'checklink') |
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225 # try fast path, read only |
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226 if os.path.islink(checklink): |
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227 return True |
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228 if os.path.isdir(cachedir): |
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229 checkdir = cachedir |
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230 else: |
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231 checkdir = path |
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232 cachedir = None |
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233 fscheckdir = pycompat.fsdecode(checkdir) |
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234 name = tempfile.mktemp(dir=fscheckdir, |
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235 prefix=r'checklink-') |
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236 name = pycompat.fsencode(name) |
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237 try: |
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238 fd = None |
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239 if cachedir is None: |
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240 fd = tempfile.NamedTemporaryFile(dir=fscheckdir, |
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241 prefix=r'hg-checklink-') |
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242 target = pycompat.fsencode(os.path.basename(fd.name)) |
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243 else: |
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244 # create a fixed file to link to; doesn't matter if it |
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245 # already exists. |
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246 target = 'checklink-target' |
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247 open(os.path.join(cachedir, target), 'w').close() |
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248 try: |
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249 os.symlink(target, name) |
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250 if cachedir is None: |
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251 unlink(name) |
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252 else: |
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253 try: |
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254 os.rename(name, checklink) |
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255 except OSError: |
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256 unlink(name) |
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257 return True |
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258 except OSError as inst: |
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259 # link creation might race, try again |
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260 if inst[0] == errno.EEXIST: |
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261 continue |
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262 raise |
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263 finally: |
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264 if fd is not None: |
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265 fd.close() |
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266 except AttributeError: |
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267 return False |
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268 except OSError as inst: |
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269 # sshfs might report failure while successfully creating the link |
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270 if inst[0] == errno.EIO and os.path.exists(name): |
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271 unlink(name) |
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272 return False |
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273 |
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274 def checkosfilename(path): |
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275 '''Check that the base-relative path is a valid filename on this platform. |
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276 Returns None if the path is ok, or a UI string describing the problem.''' |
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277 pass # on posix platforms, every path is ok |
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278 |
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279 def setbinary(fd): |
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280 pass |
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281 |
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282 def pconvert(path): |
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283 return path |
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284 |
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285 def localpath(path): |
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286 return path |
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287 |
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288 def samefile(fpath1, fpath2): |
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289 """Returns whether path1 and path2 refer to the same file. This is only |
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290 guaranteed to work for files, not directories.""" |
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291 return os.path.samefile(fpath1, fpath2) |
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292 |
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293 def samedevice(fpath1, fpath2): |
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294 """Returns whether fpath1 and fpath2 are on the same device. This is only |
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295 guaranteed to work for files, not directories.""" |
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296 st1 = os.lstat(fpath1) |
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297 st2 = os.lstat(fpath2) |
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298 return st1.st_dev == st2.st_dev |
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299 |
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300 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems |
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301 def normcase(path): |
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302 return path.lower() |
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303 |
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304 # what normcase does to ASCII strings |
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305 normcasespec = encoding.normcasespecs.lower |
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306 # fallback normcase function for non-ASCII strings |
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307 normcasefallback = normcase |
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308 |
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309 if pycompat.sysplatform == 'darwin': |
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310 |
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311 def normcase(path): |
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312 ''' |
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313 Normalize a filename for OS X-compatible comparison: |
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314 - escape-encode invalid characters |
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315 - decompose to NFD |
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316 - lowercase |
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317 - omit ignored characters [200c-200f, 202a-202e, 206a-206f,feff] |
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318 |
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319 >>> normcase('UPPER') |
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320 'upper' |
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321 >>> normcase('Caf\xc3\xa9') |
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322 'cafe\\xcc\\x81' |
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323 >>> normcase('\xc3\x89') |
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324 'e\\xcc\\x81' |
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325 >>> normcase('\xb8\xca\xc3\xca\xbe\xc8.JPG') # issue3918 |
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326 '%b8%ca%c3\\xca\\xbe%c8.jpg' |
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327 ''' |
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328 |
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329 try: |
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330 return encoding.asciilower(path) # exception for non-ASCII |
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331 except UnicodeDecodeError: |
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332 return normcasefallback(path) |
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333 |
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334 normcasespec = encoding.normcasespecs.lower |
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335 |
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336 def normcasefallback(path): |
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OS X: try cheap ascii .lower() in normcase before making full unicode dance
Mads Kiilerich <madski@unity3d.com>
parents:
18442
diff
changeset
|
337 try: |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
338 u = path.decode('utf-8') |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
339 except UnicodeDecodeError: |
19131
af3b651505e2
hfs+: rewrite percent-escaper (issue3918)
Matt Mackall <mpm@selenic.com>
parents:
18868
diff
changeset
|
340 # OS X percent-encodes any bytes that aren't valid utf-8 |
af3b651505e2
hfs+: rewrite percent-escaper (issue3918)
Matt Mackall <mpm@selenic.com>
parents:
18868
diff
changeset
|
341 s = '' |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
342 pos = 0 |
27380
c7129ed280b8
mac: fix percent-encoding of non-utf-8 characters (issue4999)
Matt Mackall <mpm@selenic.com>
parents:
27362
diff
changeset
|
343 l = len(path) |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
344 while pos < l: |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
345 try: |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
346 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
|
347 pos += len(c) |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
348 except ValueError: |
27380
c7129ed280b8
mac: fix percent-encoding of non-utf-8 characters (issue4999)
Matt Mackall <mpm@selenic.com>
parents:
27362
diff
changeset
|
349 c = '%%%02X' % ord(path[pos]) |
26876
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
350 pos += 1 |
b8381832ce2b
posix: use getutf8char to handle OS X filename percent-escaping
Matt Mackall <mpm@selenic.com>
parents:
26248
diff
changeset
|
351 s += c |
19131
af3b651505e2
hfs+: rewrite percent-escaper (issue3918)
Matt Mackall <mpm@selenic.com>
parents:
18868
diff
changeset
|
352 |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
353 u = s.decode('utf-8') |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
354 |
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
355 # Decompose then lowercase (HFS+ technote specifies lower) |
23597
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
Augie Fackler <raf@durin42.com>
parents:
22946
diff
changeset
|
356 enc = unicodedata.normalize('NFD', u).lower().encode('utf-8') |
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
Augie Fackler <raf@durin42.com>
parents:
22946
diff
changeset
|
357 # drop HFS+ ignored characters |
7a5bcd471f2e
darwin: omit ignorable codepoints when normcase()ing a file path
Augie Fackler <raf@durin42.com>
parents:
22946
diff
changeset
|
358 return encoding.hfsignoreclean(enc) |
15551
1fa41d1f1351
posix: add extended support for OS X path folding
Matt Mackall <mpm@selenic.com>
parents:
15499
diff
changeset
|
359 |
30641
16b5df5792a8
py3: replace sys.platform with pycompat.sysplatform (part 1 of 2)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30634
diff
changeset
|
360 if pycompat.sysplatform == 'cygwin': |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
361 # 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
|
362 # 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
|
363 # insensitive. |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
364 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
365 # default mount points |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
366 cygwinmountpoints = sorted([ |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
367 "/usr/bin", |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
368 "/usr/lib", |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
369 "/cygdrive", |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
370 ], reverse=True) |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
371 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
372 # 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
|
373 def normcase(path): |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
374 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
|
375 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
|
376 # treat as relative |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
377 return encoding.upper(path) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
378 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
379 # to preserve case of mountpoint part |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
380 for mp in cygwinmountpoints: |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
381 if not path.startswith(mp): |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
382 continue |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
383 |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
384 mplen = len(mp) |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
385 if mplen == pathlen: # mount point itself |
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
386 return mp |
30614
cfe66dcf45c0
py3: replace os.sep with pycompat.ossep (part 2 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30612
diff
changeset
|
387 if path[mplen] == pycompat.ossep: |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
388 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
|
389 |
17203
0cb55b5c19a3
util, posix: eliminate encodinglower and encodingupper
Adrian Buehlmann <adrian@cadifra.com>
parents:
16726
diff
changeset
|
390 return encoding.upper(path) |
15711
c51c9dc13a58
cygwin: add cygwin specific normcase logic
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15672
diff
changeset
|
391 |
24596
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
392 normcasespec = encoding.normcasespecs.other |
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
393 normcasefallback = normcase |
75ea27f1711d
cygwin: define normcase spec and fallback
Siddharth Agarwal <sid0@fb.com>
parents:
24595
diff
changeset
|
394 |
16240
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
395 # 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
|
396 # 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
|
397 # 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
|
398 # 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
|
399 def checkexec(path): |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
400 return False |
95e45abe7e8e
posix: ignore execution bit in cygwin (issue3301)
A. S. Budden <abudden@gmail.com>
parents:
15791
diff
changeset
|
401 |
16241
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
402 # 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
|
403 # 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
|
404 # 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
|
405 def checklink(path): |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
406 return False |
60cc3a0d2249
posix: disable cygwin's symlink emulation
Matt Mackall <mpm@selenic.com>
parents:
16240
diff
changeset
|
407 |
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
|
408 _needsshellquote = None |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
409 def shellquote(s): |
30642
e995f00a9e9a
py3: replace sys.platform with pycompat.sysplatform (part 2 of 2)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30641
diff
changeset
|
410 if pycompat.sysplatform == 'OpenVMS': |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
411 return '"%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
|
412 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
|
413 if _needsshellquote is None: |
31491
492c64afc54c
py3: make the regular expression bytes to prevent TypeError
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30697
diff
changeset
|
414 _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
|
415 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
|
416 # "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
|
417 return s |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
418 else: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
419 return "'%s'" % s.replace("'", "'\\''") |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
420 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
421 def quotecommand(cmd): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
422 return cmd |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
423 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
424 def popen(command, mode='r'): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
425 return os.popen(command, mode) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
426 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
427 def testpid(pid): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
428 '''return False if pid dead, True if running or not sure''' |
30642
e995f00a9e9a
py3: replace sys.platform with pycompat.sysplatform (part 2 of 2)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30641
diff
changeset
|
429 if pycompat.sysplatform == 'OpenVMS': |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
430 return True |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
431 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
432 os.kill(pid, 0) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
433 return True |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
434 except OSError as inst: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
435 return inst.errno != errno.ESRCH |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
436 |
14234
600e64004eb5
rename explain_exit to explainexit
Adrian Buehlmann <adrian@cadifra.com>
parents:
14233
diff
changeset
|
437 def explainexit(code): |
9517
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
438 """return a 2-tuple (desc, code) describing a subprocess status |
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
439 (codes from kill are negative - not os.system/wait encoding)""" |
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
440 if code >= 0: |
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
441 return _("exited with status %d") % code, code |
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
442 return _("killed by signal %d") % -code, -code |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
443 |
8657
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
444 def isowner(st): |
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
445 """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
|
446 return st.st_uid == os.getuid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
447 |
14271
4030630fb59c
rename util.find_exe to findexe
Adrian Buehlmann <adrian@cadifra.com>
parents:
14237
diff
changeset
|
448 def findexe(command): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
449 '''Find executable for command searching like which does. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
450 If command is a basename then PATH is searched for command. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
451 PATH isn't searched if command is an absolute or relative path. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
452 If command isn't found None is returned.''' |
30641
16b5df5792a8
py3: replace sys.platform with pycompat.sysplatform (part 1 of 2)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30634
diff
changeset
|
453 if pycompat.sysplatform == 'OpenVMS': |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
454 return command |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
455 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
456 def findexisting(executable): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
457 'Will return executable if existing file' |
15499
58f96703a9ab
posix: fix findexe() to check for file type and access
Marc-Antoine Ruel <maruel@google.com>
parents:
15488
diff
changeset
|
458 if os.path.isfile(executable) and os.access(executable, os.X_OK): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
459 return executable |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
460 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
461 |
30614
cfe66dcf45c0
py3: replace os.sep with pycompat.ossep (part 2 of 4)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30612
diff
changeset
|
462 if pycompat.ossep in command: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
463 return findexisting(command) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
464 |
30641
16b5df5792a8
py3: replace sys.platform with pycompat.sysplatform (part 1 of 2)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30634
diff
changeset
|
465 if pycompat.sysplatform == 'plan9': |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
466 return findexisting(os.path.join('/bin', command)) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
467 |
30634
ad15646dc61c
py3: replace os.environ with encoding.environ (part 1 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30614
diff
changeset
|
468 for path in encoding.environ.get('PATH', '').split(pycompat.ospathsep): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
469 executable = findexisting(os.path.join(path, command)) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
470 if executable is not None: |
15499
58f96703a9ab
posix: fix findexe() to check for file type and access
Marc-Antoine Ruel <maruel@google.com>
parents:
15488
diff
changeset
|
471 return executable |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
472 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
473 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents:
14235
diff
changeset
|
474 def setsignalhandler(): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
475 pass |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
476 |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
477 _wantedkinds = set([stat.S_IFREG, stat.S_IFLNK]) |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
478 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
479 def statfiles(files): |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
480 '''Stat each file in files. Yield each stat, or None if a file does not |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
481 exist or has a type we don't care about.''' |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
482 lstat = os.lstat |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
483 getkind = stat.S_IFMT |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
484 for nf in files: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
485 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
486 st = lstat(nf) |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
487 if getkind(st.st_mode) not in _wantedkinds: |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
488 st = None |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
489 except OSError as err: |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
490 if err.errno not in (errno.ENOENT, errno.ENOTDIR): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
491 raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
492 st = None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
493 yield st |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
494 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
495 def getuser(): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
496 '''return name of current user''' |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
497 return getpass.getuser() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
498 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
499 def username(uid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
500 """Return the name of the user with the given uid. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
501 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
502 If uid is None, return the name of the current user.""" |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
503 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
504 if uid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
505 uid = os.getuid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
506 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
507 return pwd.getpwuid(uid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
508 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
509 return str(uid) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
510 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
511 def groupname(gid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
512 """Return the name of the group with the given gid. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
513 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
514 If gid is None, return the name of the current group.""" |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
515 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
516 if gid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
517 gid = os.getgid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
518 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
519 return grp.getgrgid(gid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
520 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
521 return str(gid) |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
522 |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
523 def groupmembers(name): |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
524 """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:
11011
diff
changeset
|
525 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
|
526 """ |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
527 return list(grp.getgrnam(name).gr_mem) |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
528 |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
529 def spawndetached(args): |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
530 return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
531 args[0], args) |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
532 |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
533 def gethgcmd(): |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
534 return sys.argv[:1] |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
535 |
14908
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
536 def makedir(path, notindexed): |
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
537 os.mkdir(path) |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
538 |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
539 def unlinkpath(f, ignoremissing=False): |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
540 """unlink and remove the directory if it is empty""" |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
541 try: |
31537
c6cbe5720353
posix: use local reference to unlink
Ryan McElroy <rmcelroy@fb.com>
parents:
31506
diff
changeset
|
542 unlink(f) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
543 except OSError as e: |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
544 if not (ignoremissing and e.errno == errno.ENOENT): |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
545 raise |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
546 # try removing directories that might now be empty |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
547 try: |
31538
e6d4cc29fd60
posix: use local reference to removedirs
Ryan McElroy <rmcelroy@fb.com>
parents:
31537
diff
changeset
|
548 removedirs(os.path.dirname(f)) |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
549 except OSError: |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
550 pass |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
551 |
14910
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
552 def lookupreg(key, name=None, scope=None): |
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
553 return None |
14911
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
554 |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
555 def hidewindow(): |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
556 """Hide current shell window. |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
557 |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
558 Used to hide the window opened when starting asynchronous |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
559 child process under Windows, unneeded on other systems. |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
560 """ |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
561 pass |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14911
diff
changeset
|
562 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
563 class cachestat(object): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
564 def __init__(self, path): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
565 self.stat = os.stat(path) |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
566 |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
567 def cacheable(self): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
568 return bool(self.stat.st_ino) |
2aa3e07b2f07
posix, windows: introduce cachestat
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569 |
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570 __hash__ = object.__hash__ |
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571 |
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572 def __eq__(self, other): |
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573 try: |
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Siddharth Agarwal <sid0@fb.com>
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574 # Only dev, ino, size, mtime and atime are likely to change. Out |
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575 # of these, we shouldn't compare atime but should compare the |
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parents:
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576 # rest. However, one of the other fields changing indicates |
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577 # something fishy going on, so return False if anything but atime |
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578 # changes. |
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579 return (self.stat.st_mode == other.stat.st_mode and |
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580 self.stat.st_ino == other.stat.st_ino and |
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581 self.stat.st_dev == other.stat.st_dev and |
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582 self.stat.st_nlink == other.stat.st_nlink and |
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583 self.stat.st_uid == other.stat.st_uid and |
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584 self.stat.st_gid == other.stat.st_gid and |
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585 self.stat.st_size == other.stat.st_size and |
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586 self.stat.st_mtime == other.stat.st_mtime and |
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587 self.stat.st_ctime == other.stat.st_ctime) |
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588 except AttributeError: |
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589 return False |
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590 |
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591 def __ne__(self, other): |
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592 return not self == other |
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|
593 |
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|
594 def executablepath(): |
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595 return None # available on Windows only |
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posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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|
596 |
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util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
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|
597 def statislink(st): |
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598 '''check whether a stat result is a symlink''' |
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599 return st and stat.S_ISLNK(st.st_mode) |
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|
600 |
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601 def statisexec(st): |
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Bryan O'Sullivan <bryano@fb.com>
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602 '''check whether a stat result is an executable file''' |
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e93036747902
global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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603 return st and (st.st_mode & 0o100 != 0) |
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parents:
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diff
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|
604 |
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605 def poll(fds): |
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606 """block until something happens on any file descriptor |
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607 |
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608 This is a generic helper that will check for any activity |
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609 (read, write. exception) and return the list of touched files. |
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610 |
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611 In unsupported cases, it will raise a NotImplementedError""" |
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612 try: |
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613 while True: |
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614 try: |
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615 res = select.select(fds, fds, fds) |
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616 break |
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617 except select.error as inst: |
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618 if inst.args[0] == errno.EINTR: |
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619 continue |
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620 raise |
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621 except ValueError: # out of range file descriptor |
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622 raise NotImplementedError() |
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623 return sorted(list(set(sum(res, [])))) |
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624 |
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625 def readpipe(pipe): |
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626 """Read all available data from a pipe.""" |
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627 # We can't fstat() a pipe because Linux will always report 0. |
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628 # So, we set the pipe to non-blocking mode and read everything |
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629 # that's available. |
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630 flags = fcntl.fcntl(pipe, fcntl.F_GETFL) |
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|
631 flags |= os.O_NONBLOCK |
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|
632 oldflags = fcntl.fcntl(pipe, fcntl.F_SETFL, flags) |
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|
633 |
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634 try: |
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|
635 chunks = [] |
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636 while True: |
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|
637 try: |
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|
638 s = pipe.read() |
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639 if not s: |
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|
640 break |
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641 chunks.append(s) |
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642 except IOError: |
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643 break |
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644 |
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645 return ''.join(chunks) |
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646 finally: |
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647 fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags) |
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648 |
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649 def bindunixsocket(sock, path): |
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650 """Bind the UNIX domain socket to the specified path""" |
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651 # use relative path instead of full path at bind() if possible, since |
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652 # AF_UNIX path has very small length limit (107 chars) on common |
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653 # platforms (see sys/un.h) |
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|
654 dirname, basename = os.path.split(path) |
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|
655 bakwdfd = None |
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|
656 if dirname: |
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|
657 bakwdfd = os.open('.', os.O_DIRECTORY) |
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|
658 os.chdir(dirname) |
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|
659 sock.bind(basename) |
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|
660 if bakwdfd: |
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|
661 os.fchdir(bakwdfd) |
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|
662 os.close(bakwdfd) |