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#!/bin/sh
#
# $NetBSD: pkg_path,v 1.4 2007/10/31 19:20:08 rillig Exp $
#
# Copyright (c) 2006 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Johnny C. Lam.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the NetBSD
# Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
#
######################################################################
#
# NAME
# pkg_path -- canonicalize directories into "package paths"
#
# SYNOPSIS
# pkg_path [-s pkgsrcdir] dir ...
#
# OPTIONS
# The following command line arguments are supported.
#
# -s pkgsrcdir Use the specified directory as the path to the
# pkgsrc directory tree. By default, this is the
# value stored in the PKGSRCDIR environment variable.
#
# DESCRIPTION
# pkg_path canonicalizes the specified directories into package
# paths that are relative to the pkgsrc directory tree, and prints
# each of them to standard output on a new line. The specified
# directories are taken to be relative to the current directory.
# Directories that are not valid package directories or are not
# found are skipped during processing.
#
# ENVIRONMENT
# PKGSRCDIR This is the location of the pkgsrc directory tree,
# which defaults to "/usr/pkgsrc".
#
######################################################################
: ${ECHO=echo}
: ${PKGSRCDIR="/usr/pkgsrc"}
: ${PWD_CMD="pwd -P"}
self="${0##*/}"
usage() {
${ECHO} 1>&2 "usage: $self [-s pkgsrcdir] dir ..."
}
exitcode=0
# Process optional arguments
while [ $# -gt 0 ]; do
case "$1" in
-s) PKGSRCDIR=$2; shift 2 ;;
--) shift; break ;;
-*) ${ECHO} 1>&2 "$self: unknown option -- ${1#-}"
usage
exit 1
;;
*) break ;;
esac
done
# Process required arguments
startdir=`${PWD_CMD}`
while [ $# -gt 0 ]; do
dir="$1"; shift
case "$dir" in
${PKGSRCDIR}/*) ;;
/*) ${ECHO} 1>&2 "$self: \`\`$dir'' not a valid package directory"
exitcode=1
continue
;;
esac
if [ ! -d "$startdir/$dir" ]; then
${ECHO} 1>&2 "$self: \`\`$dir'' not found"
exitcode=1
continue
fi
pkgpath=`cd $startdir/$dir && ${PWD_CMD}`
pkgpath="${pkgpath#${PKGSRCDIR}/}"
${ECHO} "$pkgpath"
done
exit $exitcode
|
