"""SCons.Tool.SCCS.py

Tool-specific initialization for SCCS.

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.

"""

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__revision__ = "src/engine/SCons/Tool/SCCS.py 4043 2009/02/23 09:06:45 scons"

import SCons.Action
import SCons.Builder
import SCons.Util

def generate(env):
    """Add a Builder factory function and construction variables for
    SCCS to an Environment."""

    def SCCSFactory(env=env):
        """ """
        act = SCons.Action.Action('$SCCSCOM', '$SCCSCOMSTR')
        return SCons.Builder.Builder(action = act, env = env)

    #setattr(env, 'SCCS', SCCSFactory)
    env.SCCS = SCCSFactory

    env['SCCS']         = 'sccs'
    env['SCCSFLAGS']    = SCons.Util.CLVar('')
    env['SCCSGETFLAGS'] = SCons.Util.CLVar('')
    env['SCCSCOM']      = '$SCCS $SCCSFLAGS get $SCCSGETFLAGS $TARGET'

def exists(env):
    return env.Detect('sccs')

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