Add pre-commit|commit-msg|prepare-commit-msg hook placeholders

Add CMake-specific hook placeholders that chain from the main hooks
branch after it is installed into the local .git/hooks directory.

.gitattributes

 .gitattributes   export-ignore
+.hooks*          export-ignore
 
 bootstrap        crlf=input
 configure        crlf=input

.hooks-config.bash

+#=============================================================================
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+# Loaded by .git/hooks/(pre-commit|commit-msg|prepare-commit-msg)
+# during git commit after local hooks have been installed.
+
+hooks_chain_pre_commit="Utilities/Git/pre-commit"
+hooks_chain_commit_msg="Utilities/Git/commit-msg"
+hooks_chain_prepare_commit_msg="Utilities/Git/prepare-commit-msg"

Utilities/Git/commit-msg

+#!/usr/bin/env bash
+#=============================================================================
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+die() {
+  echo 'commit-msg hook failure' 1>&2
+  echo '-----------------------' 1>&2
+  echo '' 1>&2
+  echo "$@" 1>&2
+  exit 1
+}
+
+# This is a placeholder for future commit-msg checks.
+exit 0

Utilities/Git/pre-commit

+#!/usr/bin/env bash
+#=============================================================================
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+die() {
+  echo 'pre-commit hook failure' 1>&2
+  echo '-----------------------' 1>&2
+  echo '' 1>&2
+  echo "$@" 1>&2
+  exit 1
+}
+
+# This is a placeholder for future pre-commit checks.
+exit 0

Utilities/Git/prepare-commit-msg

+#!/usr/bin/env bash
+#=============================================================================
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+# This is a placeholder for future prepare-commit-msg hooks.
+exit 0