1 files changed, 51 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/tool/commands/abstractsequencedcommand.py b/Tools/Scripts/webkitpy/tool/commands/abstractsequencedcommand.py
new file mode 100644
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+++ b/Tools/Scripts/webkitpy/tool/commands/abstractsequencedcommand.py
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+# Copyright (C) 2010 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from webkitpy.common.system.executive import ScriptError
+from webkitpy.common.system.deprecated_logging import log
+from webkitpy.tool.commands.stepsequence import StepSequence
+from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
+
+
+class AbstractSequencedCommand(AbstractDeclarativeCommand):
+    steps = None
+    def __init__(self):
+        self._sequence = StepSequence(self.steps)
+        AbstractDeclarativeCommand.__init__(self, self._sequence.options())
+
+    def _prepare_state(self, options, args, tool):
+        return None
+
+    def execute(self, options, args, tool):
+        try:
+            state = self._prepare_state(options, args, tool)
+        except ScriptError, e:
+            log(e.message_with_output())
+            exit(e.exit_code or 2)
+
+        self._sequence.run_and_handle_errors(tool, options, state)