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Viewing changes to bzrlib/osutils.py

  • Committer: Robert Collins
  • Date: 2005-09-29 02:55:34 UTC
  • mfrom: (1185.1.47)
  • mto: This revision was merged to the branch mainline in revision 1397.
  • Revision ID: robertc@robertcollins.net-20050929025534-1782933743abbfd5
update with integration

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bzrlib/osutils.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from shutil import copyfile
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from stat import (S_ISREG, S_ISDIR, S_ISLNK, ST_MODE, ST_SIZE,
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                  S_ISCHR, S_ISBLK, S_ISFIFO, S_ISSOCK)
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import errno
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        return os.path.join(p1, p2)
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def extern_command(cmd, ignore_errors = False):
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    mutter('external command: %s' % `cmd`)
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    if os.system(cmd):
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        if not ignore_errors:
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            raise BzrError('command failed')
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def _read_config_value(name):
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    """Read a config value from the file ~/.bzr.conf/<name>
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    Return None if the file does not exist"""
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        if e.errno == errno.ENOENT:
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            return None
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        raise
 
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def hardlinks_good():
 
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    return sys.platform not in ('win32', 'cygwin', 'darwin')
 
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def link_or_copy(src, dest):
 
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    """Hardlink a file, or copy it if it can't be hardlinked."""
 
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    if not hardlinks_good():
 
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        copyfile(src, dest)
 
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        return
 
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    try:
 
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        os.link(src, dest)
 
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    except (OSError, IOError), e:
 
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        if e.errno != errno.EXDEV:
 
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            raise
 
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        copyfile(src, dest)