#!/bin/bash+
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#+
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# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#+
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+
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# Usage: sh shell-tracer.sh <TIME_CMD> <OUTPUT_FILE> <OLD_SHELL> <shell command line>+
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#+
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# This shell script is supposed to be set as a replacement for SHELL in make,+
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# causing it to be called whenever make wants to execute shell commands.+
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# The <shell command line> is suitable for passing on to the old shell,+
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# typically beginning with -c.+
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#+
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# This script will make sure the shell command line is executed with+
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# OLD_SHELL -x, and it will also store a simple log of the the time it takes to+
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# execute the command in the OUTPUT_FILE, using the "time" utility as pointed+
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# to by TIME_CMD. If TIME_CMD is "-", no timestamp will be stored.+
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+
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TIME_CMD="$1"+
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OUTPUT_FILE="$2"+
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OLD_SHELL="$3"+
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shift+
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shift+
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shift+
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if [ "$TIME_CMD" != "-" ]; then+
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"$TIME_CMD" -f "[TIME:%E] $*" -a -o "$OUTPUT_FILE" "$OLD_SHELL" -x "$@"+
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else+
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"$OLD_SHELL" -x "$@"+
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fi+
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