comparison mercurial/posix.py @ 13879:5b0a3f6cbead

util: move checkexec() to posix.py and return False on Windows

13878:a8d13ee0ce68

# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from i18n import _
import osutil
import os, sys, errno, stat, getpass, pwd, grp

posixfile = open
nulldev = '/dev/null'
normpath = os.path.normpath
samestat = os.path.samestat

        os.chmod(f, s | (s & 0444) >> 2 & ~umask)
    elif not x and sx:
        # Turn off all +x bits
        os.chmod(f, s & 0666)

def set_binary(fd):
    pass

def pconvert(path):
    return path

13879:5b0a3f6cbead

# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from i18n import _
import osutil
import os, sys, errno, stat, getpass, pwd, grp, tempfile

posixfile = open
nulldev = '/dev/null'
normpath = os.path.normpath
samestat = os.path.samestat

        os.chmod(f, s | (s & 0444) >> 2 & ~umask)
    elif not x and sx:
        # Turn off all +x bits
        os.chmod(f, s & 0666)

def checkexec(path):
    """
    Check whether the given path is on a filesystem with UNIX-like exec flags

    Requires a directory (like /foo/.hg)
    """

    # VFAT on some Linux versions can flip mode but it doesn't persist
    # a FS remount. Frequently we can detect it if files are created
    # with exec bit on.

    try:
        EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
        fh, fn = tempfile.mkstemp(dir=path, prefix='hg-checkexec-')
        try:
            os.close(fh)
            m = os.stat(fn).st_mode & 0777
            new_file_has_exec = m & EXECFLAGS
            os.chmod(fn, m ^ EXECFLAGS)
            exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m)
        finally:
            os.unlink(fn)
    except (IOError, OSError):
        # we don't care, the user probably won't be able to commit anyway
        return False
    return not (new_file_has_exec or exec_flags_cannot_flip)

def set_binary(fd):
    pass

def pconvert(path):
    return path