mercurial/posix.py
author Ronny Pfannschmidt <Ronny.Pfannschmidt@gmx.de>
Tue, 23 Mar 2010 11:37:01 +0100
changeset 10757 ab3782458827
parent 10264 d6512b3e9ac0
child 11011 648130161e4d
permissions -rw-r--r--
posix: move a global fcntl import to keep it from breaking jython Only needed on darwin, anyway.
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# posix.py - Posix utility function implementations for Mercurial
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#
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#  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from i18n import _
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import osutil
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import os, sys, errno, stat, getpass, pwd, grp
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posixfile = open
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nulldev = '/dev/null'
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normpath = os.path.normpath
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samestat = os.path.samestat
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rename = os.rename
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expandglobs = False
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umask = os.umask(0)
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os.umask(umask)
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def openhardlinks():
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    '''return true if it is safe to hold open file handles to hardlinks'''
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    return True
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def rcfiles(path):
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    rcs = [os.path.join(path, 'hgrc')]
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    rcdir = os.path.join(path, 'hgrc.d')
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    try:
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        rcs.extend([os.path.join(rcdir, f)
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                    for f, kind in osutil.listdir(rcdir)
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                    if f.endswith(".rc")])
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    except OSError:
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        pass
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    return rcs
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def system_rcpath():
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    path = []
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    # old mod_python does not set sys.argv
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    if len(getattr(sys, 'argv', [])) > 0:
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        path.extend(rcfiles(os.path.dirname(sys.argv[0]) +
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                              '/../etc/mercurial'))
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    path.extend(rcfiles('/etc/mercurial'))
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    return path
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def user_rcpath():
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    return [os.path.expanduser('~/.hgrc')]
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def parse_patch_output(output_line):
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    """parses the output produced by patch and returns the filename"""
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    pf = output_line[14:]
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    if os.sys.platform == 'OpenVMS':
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        if pf[0] == '`':
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            pf = pf[1:-1] # Remove the quotes
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    else:
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        if pf.startswith("'") and pf.endswith("'") and " " in pf:
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            pf = pf[1:-1] # Remove the quotes
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    return pf
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def sshargs(sshcmd, host, user, port):
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    '''Build argument list for ssh'''
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    args = user and ("%s@%s" % (user, host)) or host
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    return port and ("%s -p %s" % (args, port)) or args
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def is_exec(f):
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    """check whether a file is executable"""
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    return (os.lstat(f).st_mode & 0100 != 0)
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def set_flags(f, l, x):
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    s = os.lstat(f).st_mode
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    if l:
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        if not stat.S_ISLNK(s):
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            # switch file to link
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            data = open(f).read()
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            os.unlink(f)
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            try:
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                os.symlink(data, f)
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            except:
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                # failed to make a link, rewrite file
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                open(f, "w").write(data)
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        # no chmod needed at this point
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        return
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    if stat.S_ISLNK(s):
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        # switch link to file
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        data = os.readlink(f)
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        os.unlink(f)
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        open(f, "w").write(data)
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        s = 0666 & ~umask # avoid restatting for chmod
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    sx = s & 0100
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    if x and not sx:
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        # Turn on +x for every +r bit when making a file executable
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        # and obey umask.
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        os.chmod(f, s | (s & 0444) >> 2 & ~umask)
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    elif not x and sx:
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        # Turn off all +x bits
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        os.chmod(f, s & 0666)
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def set_binary(fd):
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    pass
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def pconvert(path):
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    return path
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def localpath(path):
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    return path
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def samefile(fpath1, fpath2):
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    """Returns whether path1 and path2 refer to the same file. This is only
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    guaranteed to work for files, not directories."""
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    return os.path.samefile(fpath1, fpath2)
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def samedevice(fpath1, fpath2):
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    """Returns whether fpath1 and fpath2 are on the same device. This is only
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    guaranteed to work for files, not directories."""
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    st1 = os.lstat(fpath1)
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    st2 = os.lstat(fpath2)
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    return st1.st_dev == st2.st_dev
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if sys.platform == 'darwin':
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    import fcntl # only needed on darwin, missing on jython
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    def realpath(path):
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        '''
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        Returns the true, canonical file system path equivalent to the given
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        path.
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        Equivalent means, in this case, resulting in the same, unique
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        file system link to the path. Every file system entry, whether a file,
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        directory, hard link or symbolic link or special, will have a single
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   130
        path preferred by the system, but may allow multiple, differing path
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   131
        lookups to point to it.
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   132
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   133
        Most regular UNIX file systems only allow a file system entry to be
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   134
        looked up by its distinct path. Obviously, this does not apply to case
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   135
        insensitive file systems, whether case preserving or not. The most
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   136
        complex issue to deal with is file systems transparently reencoding the
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   137
        path, such as the non-standard Unicode normalisation required for HFS+
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   138
        and HFSX.
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   139
        '''
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   140
        # Constants copied from /usr/include/sys/fcntl.h
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   141
        F_GETPATH = 50
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   142
        O_SYMLINK = 0x200000
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   143
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   144
        try:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   145
            fd = os.open(path, O_SYMLINK)
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   146
        except OSError, err:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   147
            if err.errno is errno.ENOENT:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   148
                return path
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   149
            raise
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   150
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   151
        try:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   152
            return fcntl.fcntl(fd, F_GETPATH, '\0' * 1024).rstrip('\0')
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   153
        finally:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   154
            os.close(fd)
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   155
else:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   156
    # Fallback to the likely inadequate Python builtin function.
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   157
    realpath = os.path.realpath
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   158
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   159
def shellquote(s):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   160
    if os.sys.platform == 'OpenVMS':
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   161
        return '"%s"' % s
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   162
    else:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   163
        return "'%s'" % s.replace("'", "'\\''")
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   164
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   165
def quotecommand(cmd):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   166
    return cmd
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   167
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   168
def popen(command, mode='r'):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   169
    return os.popen(command, mode)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   170
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   171
def testpid(pid):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   172
    '''return False if pid dead, True if running or not sure'''
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   173
    if os.sys.platform == 'OpenVMS':
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   174
        return True
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   175
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   176
        os.kill(pid, 0)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   177
        return True
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   178
    except OSError, inst:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   179
        return inst.errno != errno.ESRCH
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   180
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   181
def explain_exit(code):
9517
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   182
    """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
   183
    (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
   184
    if code >= 0:
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   185
        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
   186
    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
   187
8657
3fa92c618624 posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents: 8614
diff changeset
   188
def isowner(st):
3fa92c618624 posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents: 8614
diff changeset
   189
    """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
   190
    return st.st_uid == os.getuid()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   191
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   192
def find_exe(command):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   193
    '''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
   194
    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
   195
    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
   196
    If command isn't found None is returned.'''
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   197
    if sys.platform == 'OpenVMS':
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   198
        return command
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   199
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   200
    def findexisting(executable):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   201
        'Will return executable if existing file'
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   202
        if os.path.exists(executable):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   203
            return executable
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   204
        return None
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   205
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   206
    if os.sep in command:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   207
        return findexisting(command)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   208
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   209
    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
   210
        executable = findexisting(os.path.join(path, command))
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   211
        if executable is not None:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   212
            return executable
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   213
    return None
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   214
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   215
def set_signal_handler():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   216
    pass
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   217
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   218
def statfiles(files):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   219
    'Stat each file in files and yield stat or None if file does not exist.'
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   220
    lstat = os.lstat
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   221
    for nf in files:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   222
        try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   223
            st = lstat(nf)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   224
        except OSError, err:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   225
            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
   226
                raise
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   227
            st = None
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   228
        yield st
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   229
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   230
def getuser():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   231
    '''return name of current user'''
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   232
    return getpass.getuser()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   233
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   234
def expand_glob(pats):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   235
    '''On Windows, expand the implicit globs in a list of patterns'''
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   236
    return list(pats)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   237
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   238
def username(uid=None):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   239
    """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
   240
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   241
    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
   242
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   243
    if uid is None:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   244
        uid = os.getuid()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   245
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   246
        return pwd.getpwuid(uid)[0]
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   247
    except KeyError:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   248
        return str(uid)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   249
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   250
def groupname(gid=None):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   251
    """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
   252
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   253
    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
   254
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   255
    if gid is None:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   256
        gid = os.getgid()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   257
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   258
        return grp.getgrgid(gid)[0]
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   259
    except KeyError:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   260
        return str(gid)
10237
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   261
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   262
def spawndetached(args):
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    return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0),
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                      args[0], args)
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def gethgcmd():
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    return sys.argv[:1]