Added an unmodified copy of SCons to third_party.

scons-2.0.1/engine/SCons/Tool/tar.py

+"""SCons.Tool.tar
+
+Tool-specific initialization for tar.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Tool/tar.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import SCons.Action
+import SCons.Builder
+import SCons.Defaults
+import SCons.Node.FS
+import SCons.Util
+
+tars = ['tar', 'gtar']
+
+TarAction = SCons.Action.Action('$TARCOM', '$TARCOMSTR')
+
+TarBuilder = SCons.Builder.Builder(action = TarAction,
+                                   source_factory = SCons.Node.FS.Entry,
+                                   source_scanner = SCons.Defaults.DirScanner,
+                                   suffix = '$TARSUFFIX',
+                                   multi = 1)
+
+
+def generate(env):
+    """Add Builders and construction variables for tar to an Environment."""
+    try:
+        bld = env['BUILDERS']['Tar']
+    except KeyError:
+        bld = TarBuilder
+        env['BUILDERS']['Tar'] = bld
+
+    env['TAR']        = env.Detect(tars) or 'gtar'
+    env['TARFLAGS']   = SCons.Util.CLVar('-c')
+    env['TARCOM']     = '$TAR $TARFLAGS -f $TARGET $SOURCES'
+    env['TARSUFFIX']  = '.tar'
+
+def exists(env):
+    return env.Detect(tars)
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: