1 files changed, 88 insertions, 0 deletions
diff --git a/src/engine/SCons/Tool/Perforce.py b/src/engine/SCons/Tool/Perforce.py
new file mode 100644
index 0000000..7c1a2a7
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+++ b/src/engine/SCons/Tool/Perforce.py
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+"""SCons.Tool.Perforce.py
+
+Tool-specific initialization for Perforce Source Code Management system.
+
+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__
+#
+# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os
+
+import SCons.Builder
+import SCons.Util
+import SCons.Node.FS
+
+# This function should maybe be moved to SCons.Util?
+from SCons.Tool.PharLapCommon import addPathIfNotExists
+
+# Variables that we want to import from the base OS environment.
+_import_env = [ 'P4PORT', 'P4CLIENT', 'P4USER', 'USER', 'USERNAME', 'P4PASSWD',
+                'P4CHARSET', 'P4LANGUAGE', 'SYSTEMROOT' ]
+
+def generate(env, platform):
+    """Add a Builder factory function and construction variables for
+    Perforce to an Environment."""
+
+    def PerforceFactory(env=env):
+        """ """
+        return SCons.Builder.Builder(action = '$P4COM',
+                                     env = env)
+
+    setattr(env, 'Perforce', PerforceFactory)
+
+    env['P4']      = 'p4'
+    env['P4FLAGS'] = ''
+    env['P4COM']   = '$P4 $P4FLAGS sync $TARGET'
+    try:
+        environ = env['ENV']
+    except KeyError:
+        environ = {}
+        env['ENV'] = environ
+
+    # Perforce seems to use the PWD environment variable rather than
+    # calling getcwd() for itself, which is odd.  If no PWD variable
+    # is present, p4 WILL call getcwd, but this seems to cause problems
+    # with good ol' Win32's tilde-mangling for long file names.
+    environ['PWD'] = SCons.Node.FS.default_fs.Dir('#').abspath
+
+    for var in _import_env:
+        v = os.environ.get(var)
+        if v:
+            environ[var] = v
+
+    if SCons.Util.can_read_reg:
+        # If we can read the registry, add the path to Perforce to our environment.
+        k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE,
+                                  'Software\\Perforce\\environment')
+        val, tok = SCons.Util.RegQueryValueEx(k, 'P4INSTROOT')
+        addPathIfNotExists(environ, 'PATH', val)
+
+def exists(env):
+    return env.Detect('p4')