65 lines
2.3 KiB
Bash
65 lines
2.3 KiB
Bash
#!__SH__
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#
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# $NetBSD: wrapper.sh,v 1.2 2012/06/13 15:35:32 jperkin Exp $
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#
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# pkg_alternatives - Generic wrappers for programs with similar interfaces
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# Copyright (c) 2005 Julio M. Merino Vidal <jmmv@NetBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name of author nor the names of its contributors may
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# be used to endorse or promote products derived from this software
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# without alternative prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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wrapper="__WRAPPER__"
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progname="${wrapper##*/} (wrapper)"
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if [ ! -f __DB_FILE__ ]; then
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echo "${progname}: cannot open __DB_FILE__" 1>&2
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exit 1
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fi
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if [ $(__ID__ -un) = __ROOT_USER__ ]; then
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userfile=
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else
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userfile=~/.pkg_alternatives/${wrapper}
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fi
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alternatives=$(cat ${userfile} __CONF_FILE__ __DB_FILE__ 2>/dev/null | \
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grep -v "^#" | sed -e 's# #__dE/lImIt/Er__#g')
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found=
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for a in ${alternatives}; do
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prog=${a%%__dE/lImIt/Er__*}
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if [ -x ${prog} ]; then
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found=$(echo ${a} | sed -e 's#__dE/lImIt/Er__# #g')
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break
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fi
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done
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if [ -z "${found}" ]; then
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echo "${progname}: no alternatives found" 1>&2
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exit 1
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fi
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exec ${found} "${@}"
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