hooks-config: Subsume hooks-chain functionality

Remove hooks-chain.bash and place its content in hooks-config.bash.

commit-msg

@@ -145,5 +145,4 @@ esac
 
 #-----------------------------------------------------------------------------
 # Chain to project-specific hook.
-. "$HOOKS_DIR/hooks-chain.bash"
 hooks_chain commit-msg "$@"

hooks-chain.bash

-#=============================================================================
-# Copyright 2010-2011 Kitware, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#=============================================================================
-
-hooks_chain() {
-	hook="$1" ; shift
-	chain=$(git config --get hooks.chain-$hook) ||
-	eval chain="\${hooks_chain_${hook//-/_}}"
-	test -n "$chain" || return 0
-	case "$chain" in
-	'/'*) prefix="" ;;
-	'[A-Za-z]:/'*) prefix="" ;;
-	'.'*) prefix="" ;;
-	*) prefix="./" ;;
-	esac
-	if test -x "$prefix$chain" ; then
-		exec "$prefix$chain" "$@"
-	fi
-}
-
-# vim: set filetype=sh tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab :

hooks-config.bash

@@ -25,4 +25,20 @@ config=".hooks-config.bash" && test -r "$config" && . "$config"
 # Set up the location for "this" set of hooks.
 HOOKS_DIR="${BASH_SOURCE%/*}"
 
+hooks_chain() {
+	hook="$1" ; shift
+	chain=$(git config --get hooks.chain-$hook) ||
+	eval chain="\${hooks_chain_${hook//-/_}}"
+	test -n "$chain" || return 0
+	case "$chain" in
+	'/'*) prefix="" ;;
+	'[A-Za-z]:/'*) prefix="" ;;
+	'.'*) prefix="" ;;
+	*) prefix="./" ;;
+	esac
+	if test -x "$prefix$chain" ; then
+		exec "$prefix$chain" "$@"
+	fi
+}
+
 # vim: set filetype=sh tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab :

pre-commit

@@ -322,7 +322,6 @@ test -z "$bad" || die "$bad"
 
 #-----------------------------------------------------------------------------
 # Chain to project-specific hook.
-. "$HOOKS_DIR/hooks-chain.bash"
 hooks_chain pre-commit "$@"
 
 # vim: set filetype=sh tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab :

prepare-commit-msg

@@ -27,5 +27,4 @@ esac
 
 #-----------------------------------------------------------------------------
 # Chain to project-specific hook.
-. "$HOOKS_DIR/hooks-chain.bash"
 hooks_chain prepare-commit-msg "$@"