Mercurial > hg
annotate mercurial/posix.py @ 24946:c44534209a0a
bookmarks: rename readcurrent to readactive (API)
Today, the terms 'active' and 'current' are interchangeably used throughout the
codebase in reference to the active bookmark (the bookmark that will be updated
with the next commit). This leads to confusion among developers and users.
This patch is part of a series to standardize the usage to 'active' throughout
the mercurial codebase and user interface.
author | Ryan McElroy <rmcelroy@fb.com> |
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date | Mon, 13 Apr 2015 23:03:13 -0700 |
parents | 144883a8d0d4 |
children | c2ec81891502 |
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 i18n import _ |
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9 import encoding |
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10 import os, sys, errno, stat, getpass, pwd, grp, socket, tempfile, unicodedata |
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11 import fcntl, re |
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12 |
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13 posixfile = open |
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14 normpath = os.path.normpath |
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15 samestat = os.path.samestat |
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16 oslink = os.link |
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17 unlink = os.unlink |
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18 rename = os.rename |
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19 removedirs = os.removedirs |
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20 expandglobs = False |
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21 |
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22 umask = os.umask(0) |
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23 os.umask(umask) |
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24 |
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25 def split(p): |
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26 '''Same as posixpath.split, but faster |
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27 |
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28 >>> import posixpath |
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29 >>> for f in ['/absolute/path/to/file', |
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30 ... 'relative/path/to/file', |
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31 ... 'file_alone', |
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32 ... 'path/to/directory/', |
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33 ... '/multiple/path//separators', |
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34 ... '/file_at_root', |
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35 ... '///multiple_leading_separators_at_root', |
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36 ... '']: |
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37 ... assert split(f) == posixpath.split(f), f |
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38 ''' |
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39 ht = p.rsplit('/', 1) |
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40 if len(ht) == 1: |
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41 return '', p |
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42 nh = ht[0].rstrip('/') |
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43 if nh: |
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44 return nh, ht[1] |
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45 return ht[0] + '/', ht[1] |
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46 |
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47 def openhardlinks(): |
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48 '''return true if it is safe to hold open file handles to hardlinks''' |
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49 return True |
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50 |
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51 def nlinks(name): |
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52 '''return number of hardlinks for the given file''' |
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53 return os.lstat(name).st_nlink |
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54 |
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55 def parsepatchoutput(output_line): |
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56 """parses the output produced by patch and returns the filename""" |
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57 pf = output_line[14:] |
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58 if os.sys.platform == 'OpenVMS': |
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59 if pf[0] == '`': |
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60 pf = pf[1:-1] # Remove the quotes |
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61 else: |
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62 if pf.startswith("'") and pf.endswith("'") and " " in pf: |
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63 pf = pf[1:-1] # Remove the quotes |
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64 return pf |
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65 |
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66 def sshargs(sshcmd, host, user, port): |
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67 '''Build argument list for ssh''' |
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68 args = user and ("%s@%s" % (user, host)) or host |
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69 return port and ("%s -p %s" % (args, port)) or args |
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70 |
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71 def isexec(f): |
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72 """check whether a file is executable""" |
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73 return (os.lstat(f).st_mode & 0100 != 0) |
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74 |
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75 def setflags(f, l, x): |
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76 s = os.lstat(f).st_mode |
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77 if l: |
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78 if not stat.S_ISLNK(s): |
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79 # switch file to link |
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80 fp = open(f) |
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81 data = fp.read() |
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82 fp.close() |
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83 os.unlink(f) |
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84 try: |
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85 os.symlink(data, f) |
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86 except OSError: |
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87 # failed to make a link, rewrite file |
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88 fp = open(f, "w") |
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89 fp.write(data) |
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90 fp.close() |
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91 # no chmod needed at this point |
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92 return |
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93 if stat.S_ISLNK(s): |
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94 # switch link to file |
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95 data = os.readlink(f) |
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96 os.unlink(f) |
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97 fp = open(f, "w") |
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98 fp.write(data) |
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99 fp.close() |
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100 s = 0666 & ~umask # avoid restatting for chmod |
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101 |
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102 sx = s & 0100 |
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103 if x and not sx: |
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104 # Turn on +x for every +r bit when making a file executable |
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105 # and obey umask. |
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106 os.chmod(f, s | (s & 0444) >> 2 & ~umask) |
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107 elif not x and sx: |
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108 # Turn off all +x bits |
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109 os.chmod(f, s & 0666) |
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110 |
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111 def copymode(src, dst, mode=None): |
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112 '''Copy the file mode from the file at path src to dst. |
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113 If src doesn't exist, we're using mode instead. If mode is None, we're |
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114 using umask.''' |
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115 try: |
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116 st_mode = os.lstat(src).st_mode & 0777 |
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117 except OSError, inst: |
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118 if inst.errno != errno.ENOENT: |
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119 raise |
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120 st_mode = mode |
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121 if st_mode is None: |
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122 st_mode = ~umask |
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123 st_mode &= 0666 |
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124 os.chmod(dst, st_mode) |
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125 |
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126 def checkexec(path): |
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127 """ |
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128 Check whether the given path is on a filesystem with UNIX-like exec flags |
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129 |
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130 Requires a directory (like /foo/.hg) |
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131 """ |
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132 |
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133 # VFAT on some Linux versions can flip mode but it doesn't persist |
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134 # a FS remount. Frequently we can detect it if files are created |
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135 # with exec bit on. |
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136 |
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137 try: |
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138 EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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139 fh, fn = tempfile.mkstemp(dir=path, prefix='hg-checkexec-') |
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140 try: |
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141 os.close(fh) |
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142 m = os.stat(fn).st_mode & 0777 |
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143 new_file_has_exec = m & EXECFLAGS |
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144 os.chmod(fn, m ^ EXECFLAGS) |
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145 exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
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146 finally: |
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147 os.unlink(fn) |
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148 except (IOError, OSError): |
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149 # we don't care, the user probably won't be able to commit anyway |
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150 return False |
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151 return not (new_file_has_exec or exec_flags_cannot_flip) |
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152 |
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153 def checklink(path): |
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154 """check whether the given path is on a symlink-capable filesystem""" |
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155 # mktemp is not racy because symlink creation will fail if the |
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156 # file already exists |
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157 name = tempfile.mktemp(dir=path, prefix='hg-checklink-') |
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158 try: |
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159 fd = tempfile.NamedTemporaryFile(dir=path, prefix='hg-checklink-') |
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160 try: |
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161 os.symlink(os.path.basename(fd.name), name) |
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162 os.unlink(name) |
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163 return True |
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164 finally: |
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165 fd.close() |
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166 except AttributeError: |
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167 return False |
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168 except OSError, inst: |
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169 # sshfs might report failure while successfully creating the link |
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170 if inst[0] == errno.EIO and os.path.exists(name): |
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171 os.unlink(name) |
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172 return False |
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173 |
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174 def checkosfilename(path): |
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175 '''Check that the base-relative path is a valid filename on this platform. |
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176 Returns None if the path is ok, or a UI string describing the problem.''' |
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177 pass # on posix platforms, every path is ok |
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178 |
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179 def setbinary(fd): |
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180 pass |
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181 |
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182 def pconvert(path): |
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183 return path |
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184 |
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185 def localpath(path): |
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186 return path |
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187 |
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188 def samefile(fpath1, fpath2): |
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189 """Returns whether path1 and path2 refer to the same file. This is only |
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190 guaranteed to work for files, not directories.""" |
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191 return os.path.samefile(fpath1, fpath2) |
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192 |
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193 def samedevice(fpath1, fpath2): |
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194 """Returns whether fpath1 and fpath2 are on the same device. This is only |
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195 guaranteed to work for files, not directories.""" |
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196 st1 = os.lstat(fpath1) |
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197 st2 = os.lstat(fpath2) |
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198 return st1.st_dev == st2.st_dev |
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199 |
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200 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems |
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201 def normcase(path): |
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202 return path.lower() |
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203 |
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204 # what normcase does to ASCII strings |
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205 normcasespec = encoding.normcasespecs.lower |
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206 # fallback normcase function for non-ASCII strings |
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207 normcasefallback = normcase |
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208 |
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209 if sys.platform == 'darwin': |
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210 |
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211 def normcase(path): |
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212 ''' |
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213 Normalize a filename for OS X-compatible comparison: |
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214 - escape-encode invalid characters |
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215 - decompose to NFD |
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216 - lowercase |
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217 - omit ignored characters [200c-200f, 202a-202e, 206a-206f,feff] |
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218 |
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219 >>> normcase('UPPER') |
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220 'upper' |
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221 >>> normcase('Caf\xc3\xa9') |
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222 'cafe\\xcc\\x81' |
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223 >>> normcase('\xc3\x89') |
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224 'e\\xcc\\x81' |
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225 >>> normcase('\xb8\xca\xc3\xca\xbe\xc8.JPG') # issue3918 |
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226 '%b8%ca%c3\\xca\\xbe%c8.jpg' |
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227 ''' |
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228 |
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229 try: |
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230 return encoding.asciilower(path) # exception for non-ASCII |
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231 except UnicodeDecodeError: |
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232 return normcasefallback(path) |
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233 |
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234 normcasespec = encoding.normcasespecs.lower |
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235 |
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236 def normcasefallback(path): |
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237 try: |
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238 u = path.decode('utf-8') |
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239 except UnicodeDecodeError: |
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240 # OS X percent-encodes any bytes that aren't valid utf-8 |
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241 s = '' |
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242 g = '' |
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243 l = 0 |
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244 for c in path: |
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245 o = ord(c) |
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246 if l and o < 128 or o >= 192: |
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247 # we want a continuation byte, but didn't get one |
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248 s += ''.join(["%%%02X" % ord(x) for x in g]) |
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249 g = '' |
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250 l = 0 |
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251 if l == 0 and o < 128: |
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252 # ascii |
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253 s += c |
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254 elif l == 0 and 194 <= o < 245: |
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255 # valid leading bytes |
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256 if o < 224: |
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257 l = 1 |
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258 elif o < 240: |
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259 l = 2 |
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260 else: |
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261 l = 3 |
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262 g = c |
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263 elif l > 0 and 128 <= o < 192: |
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264 # valid continuations |
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265 g += c |
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266 l -= 1 |
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267 if not l: |
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268 s += g |
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269 g = '' |
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270 else: |
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271 # invalid |
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272 s += "%%%02X" % o |
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273 |
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274 # any remaining partial characters |
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275 s += ''.join(["%%%02X" % ord(x) for x in g]) |
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276 u = s.decode('utf-8') |
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277 |
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278 # Decompose then lowercase (HFS+ technote specifies lower) |
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279 enc = unicodedata.normalize('NFD', u).lower().encode('utf-8') |
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280 # drop HFS+ ignored characters |
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281 return encoding.hfsignoreclean(enc) |
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282 |
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283 if sys.platform == 'cygwin': |
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284 # workaround for cygwin, in which mount point part of path is |
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285 # treated as case sensitive, even though underlying NTFS is case |
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286 # insensitive. |
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287 |
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288 # default mount points |
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289 cygwinmountpoints = sorted([ |
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290 "/usr/bin", |
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291 "/usr/lib", |
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292 "/cygdrive", |
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293 ], reverse=True) |
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294 |
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295 # use upper-ing as normcase as same as NTFS workaround |
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296 def normcase(path): |
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297 pathlen = len(path) |
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298 if (pathlen == 0) or (path[0] != os.sep): |
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299 # treat as relative |
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300 return encoding.upper(path) |
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301 |
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302 # to preserve case of mountpoint part |
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303 for mp in cygwinmountpoints: |
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304 if not path.startswith(mp): |
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305 continue |
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306 |
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307 mplen = len(mp) |
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308 if mplen == pathlen: # mount point itself |
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309 return mp |
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310 if path[mplen] == os.sep: |
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311 return mp + encoding.upper(path[mplen:]) |
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312 |
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313 return encoding.upper(path) |
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314 |
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315 normcasespec = encoding.normcasespecs.other |
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316 normcasefallback = normcase |
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317 |
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318 # Cygwin translates native ACLs to POSIX permissions, |
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319 # but these translations are not supported by native |
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320 # tools, so the exec bit tends to be set erroneously. |
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321 # Therefore, disable executable bit access on Cygwin. |
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322 def checkexec(path): |
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323 return False |
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324 |
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325 # Similarly, Cygwin's symlink emulation is likely to create |
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326 # problems when Mercurial is used from both Cygwin and native |
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327 # Windows, with other native tools, or on shared volumes |
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328 def checklink(path): |
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329 return False |
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330 |
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331 _needsshellquote = None |
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332 def shellquote(s): |
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333 if os.sys.platform == 'OpenVMS': |
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334 return '"%s"' % s |
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335 global _needsshellquote |
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336 if _needsshellquote is None: |
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posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
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|
337 _needsshellquote = re.compile(r'[^a-zA-Z0-9._/-]').search |
24108
d65ecb814fc0
shellquote: fix missing quotes for empty string
Yuya Nishihara <yuya@tcha.org>
parents:
23683
diff
changeset
|
338 if s and not _needsshellquote(s): |
23683
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posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
diff
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|
339 # "s" shouldn't have to be quoted |
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posix: quote the specified string only when it may have to be quoted
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
23597
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|
340 return s |
7890
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parents:
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|
341 else: |
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parents:
diff
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|
342 return "'%s'" % s.replace("'", "'\\''") |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
343 |
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parents:
diff
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|
344 def quotecommand(cmd): |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
345 return cmd |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
346 |
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parents:
diff
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|
347 def popen(command, mode='r'): |
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parents:
diff
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|
348 return os.popen(command, mode) |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
349 |
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parents:
diff
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|
350 def testpid(pid): |
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parents:
diff
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|
351 '''return False if pid dead, True if running or not sure''' |
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parents:
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|
352 if os.sys.platform == 'OpenVMS': |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
353 return True |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
354 try: |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
355 os.kill(pid, 0) |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
356 return True |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
357 except OSError, inst: |
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parents:
diff
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|
358 return inst.errno != errno.ESRCH |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
359 |
14234
600e64004eb5
rename explain_exit to explainexit
Adrian Buehlmann <adrian@cadifra.com>
parents:
14233
diff
changeset
|
360 def explainexit(code): |
9517
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
361 """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
|
362 (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
|
363 if code >= 0: |
4368f582c806
util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents:
9238
diff
changeset
|
364 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
|
365 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
|
366 |
8657
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
367 def isowner(st): |
3fa92c618624
posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents:
8614
diff
changeset
|
368 """Return True if the stat object st is from the current user.""" |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
369 return st.st_uid == os.getuid() |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
370 |
14271
4030630fb59c
rename util.find_exe to findexe
Adrian Buehlmann <adrian@cadifra.com>
parents:
14237
diff
changeset
|
371 def findexe(command): |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
372 '''Find executable for command searching like which does. |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
373 If command is a basename then PATH is searched for command. |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
374 PATH isn't searched if command is an absolute or relative path. |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
375 If command isn't found None is returned.''' |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
376 if sys.platform == 'OpenVMS': |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
377 return command |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
378 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
379 def findexisting(executable): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
380 '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
|
381 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
|
382 return executable |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
383 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
384 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
385 if os.sep in command: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
386 return findexisting(command) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
387 |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
388 if sys.platform == 'plan9': |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
389 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
|
390 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
391 for path in os.environ.get('PATH', '').split(os.pathsep): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
392 executable = findexisting(os.path.join(path, command)) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
393 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
|
394 return executable |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
395 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
396 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents:
14235
diff
changeset
|
397 def setsignalhandler(): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
398 pass |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
399 |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
400 _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
|
401 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
402 def statfiles(files): |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
403 '''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
|
404 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
|
405 lstat = os.lstat |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
406 getkind = stat.S_IFMT |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
407 for nf in files: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
408 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
409 st = lstat(nf) |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
410 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
|
411 st = None |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
412 except OSError, err: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
413 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
|
414 raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
415 st = None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
416 yield st |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
417 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
418 def getuser(): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
419 '''return name of current user''' |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
420 return getpass.getuser() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
421 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
422 def username(uid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
423 """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
|
424 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
425 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
|
426 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
427 if uid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
428 uid = os.getuid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
429 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
430 return pwd.getpwuid(uid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
431 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
432 return str(uid) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
433 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
434 def groupname(gid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
435 """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
|
436 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
437 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
|
438 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
439 if gid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
440 gid = os.getgid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
441 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
442 return grp.getgrgid(gid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
443 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
444 return str(gid) |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
445 |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
446 def groupmembers(name): |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
447 """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
|
448 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
|
449 """ |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
450 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
|
451 |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
452 def spawndetached(args): |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
453 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
|
454 args[0], args) |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
455 |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
456 def gethgcmd(): |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
457 return sys.argv[:1] |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
458 |
12689
c52c629ce19e
termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents:
11138
diff
changeset
|
459 def termwidth(): |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
460 try: |
22246
331cbf088c4c
posix: implement readpipe using non-blocking I/O (issue4336)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22245
diff
changeset
|
461 import termios, array |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
462 for dev in (sys.stderr, sys.stdout, sys.stdin): |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
463 try: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
464 try: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
465 fd = dev.fileno() |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
466 except AttributeError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
467 continue |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
468 if not os.isatty(fd): |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
469 continue |
16726
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
470 try: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
471 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
472 width = array.array('h', arri)[1] |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
473 if width > 0: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
474 return width |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
475 except AttributeError: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
476 pass |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
477 except ValueError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
478 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
479 except IOError, e: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
480 if e[0] == errno.EINVAL: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
481 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
482 else: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
483 raise |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
484 except ImportError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
485 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
486 return 80 |
14908
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
487 |
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
488 def makedir(path, notindexed): |
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
489 os.mkdir(path) |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
490 |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
491 def unlinkpath(f, ignoremissing=False): |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
492 """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
|
493 try: |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
494 os.unlink(f) |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
495 except OSError, e: |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
496 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
|
497 raise |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
498 # 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
|
499 try: |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
500 os.removedirs(os.path.dirname(f)) |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
501 except OSError: |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
502 pass |
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
503 |
14910
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
504 def lookupreg(key, name=None, scope=None): |
570ea0259b0a
util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14909
diff
changeset
|
505 return None |
14911
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
506 |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
507 def hidewindow(): |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
508 """Hide current shell window. |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
509 |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
510 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
|
511 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
|
512 """ |
5b39503157fd
util: move "default" hidewindow to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14910
diff
changeset
|
513 pass |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14911
diff
changeset
|
514 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
515 class cachestat(object): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
516 def __init__(self, path): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
517 self.stat = os.stat(path) |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
518 |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
519 def cacheable(self): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
520 return bool(self.stat.st_ino) |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
521 |
15791
a814f8fcc65a
Use explicit integer division
Martin Geisler <mg@aragost.com>
parents:
15711
diff
changeset
|
522 __hash__ = object.__hash__ |
a814f8fcc65a
Use explicit integer division
Martin Geisler <mg@aragost.com>
parents:
15711
diff
changeset
|
523 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
524 def __eq__(self, other): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
525 try: |
18442
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
526 # 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
|
527 # 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
|
528 # rest. However, one of the other fields changing indicates |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
529 # 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:
18288
diff
changeset
|
530 # changes. |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
531 return (self.stat.st_mode == other.stat.st_mode and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
532 self.stat.st_ino == other.stat.st_ino and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
533 self.stat.st_dev == other.stat.st_dev and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
534 self.stat.st_nlink == other.stat.st_nlink and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
535 self.stat.st_uid == other.stat.st_uid and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
536 self.stat.st_gid == other.stat.st_gid and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
537 self.stat.st_size == other.stat.st_size and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
538 self.stat.st_mtime == other.stat.st_mtime and |
ecba9b0e7672
posix: don't compare atime when determining if a file has changed
Siddharth Agarwal <sid0@fb.com>
parents:
18288
diff
changeset
|
539 self.stat.st_ctime == other.stat.st_ctime) |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
540 except AttributeError: |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
541 return False |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
542 |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
543 def __ne__(self, other): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
544 return not self == other |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
545 |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14911
diff
changeset
|
546 def executablepath(): |
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14911
diff
changeset
|
547 return None # available on Windows only |
18097
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
548 |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
549 class unixdomainserver(socket.socket): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
550 def __init__(self, join, subsystem): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
551 '''Create a unix domain socket with the given prefix.''' |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
552 super(unixdomainserver, self).__init__(socket.AF_UNIX) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
553 sockname = subsystem + '.sock' |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
554 self.realpath = self.path = join(sockname) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
555 if os.path.islink(self.path): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
556 if os.path.exists(self.path): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
557 self.realpath = os.readlink(self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
558 else: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
559 os.unlink(self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
560 try: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
561 self.bind(self.realpath) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
562 except socket.error, err: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
563 if err.args[0] == 'AF_UNIX path too long': |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
564 tmpdir = tempfile.mkdtemp(prefix='hg-%s-' % subsystem) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
565 self.realpath = os.path.join(tmpdir, sockname) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
566 try: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
567 self.bind(self.realpath) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
568 os.symlink(self.realpath, self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
569 except (OSError, socket.error): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
570 self.cleanup() |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
571 raise |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
572 else: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
573 raise |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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574 self.listen(5) |
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575 |
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576 def cleanup(self): |
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577 def okayifmissing(f, path): |
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578 try: |
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579 f(path) |
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580 except OSError, err: |
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581 if err.errno != errno.ENOENT: |
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582 raise |
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583 |
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584 okayifmissing(os.unlink, self.path) |
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585 if self.realpath != self.path: |
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586 okayifmissing(os.unlink, self.realpath) |
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587 okayifmissing(os.rmdir, os.path.dirname(self.realpath)) |
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588 |
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589 def statislink(st): |
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590 '''check whether a stat result is a symlink''' |
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591 return st and stat.S_ISLNK(st.st_mode) |
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592 |
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593 def statisexec(st): |
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594 '''check whether a stat result is an executable file''' |
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595 return st and (st.st_mode & 0100 != 0) |
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596 |
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597 def readpipe(pipe): |
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598 """Read all available data from a pipe.""" |
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599 # We can't fstat() a pipe because Linux will always report 0. |
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600 # So, we set the pipe to non-blocking mode and read everything |
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601 # that's available. |
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602 flags = fcntl.fcntl(pipe, fcntl.F_GETFL) |
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603 flags |= os.O_NONBLOCK |
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604 oldflags = fcntl.fcntl(pipe, fcntl.F_SETFL, flags) |
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605 |
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606 try: |
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607 chunks = [] |
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608 while True: |
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609 try: |
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610 s = pipe.read() |
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611 if not s: |
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612 break |
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613 chunks.append(s) |
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614 except IOError: |
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615 break |
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616 |
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617 return ''.join(chunks) |
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618 finally: |
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619 fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags) |