b032c82c21
allows us to distinguish the case where everything is what we expect, and any deviations from that main case.
116 lines
3.8 KiB
Bash
Executable file
116 lines
3.8 KiB
Bash
Executable file
#!/bin/sh
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#
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# $NetBSD: pkg_path,v 1.3 2006/01/23 18:38:27 jlam Exp $
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#
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# Copyright (c) 2006 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Johnny C. Lam.
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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 the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific 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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######################################################################
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#
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# NAME
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# pkg_path -- canonicalize directories into "package paths"
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#
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# SYNOPSIS
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# pkg_path [-s pkgsrcdir] dir ...
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#
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# OPTIONS
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# The following command line arguments are supported.
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#
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# -s pkgsrcdir Use the specified directory as the path to the
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# pkgsrc directory tree. By default, this is the
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# value stored in the PKGSRCDIR environment variable.
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#
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# DESCRIPTION
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# pkg_path canonicalizes the specified directories into package
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# paths are are relative to the pkgsrc directory tree, and prints
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# each of them to standard output on a new line. The specified
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# directories are taken to be relative to the current directory or
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# are otherwise absolute paths. Directories that are not valid
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# package directories or are not found are skipped during processing.
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#
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# ENVIRONMENT
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# PKGSRCDIR This is the location of the pkgsrc directory tree,
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# which defaults to "/usr/pkgsrc".
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#
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######################################################################
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: ${ECHO=echo}
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: ${PKGSRCDIR="/usr/pkgsrc"}
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: ${PWD_CMD="pwd -P"}
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: ${TEST=test}
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self="${0##*/}"
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usage() {
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${ECHO} 1>&2 "usage: $self [-s pkgsrcdir] dir ..."
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}
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exitcode=0
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# Process optional arguments
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while ${TEST} $# -gt 0; do
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case "$1" in
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-s) PKGSRCDIR=$2; shift 2 ;;
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--) shift; break ;;
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-*) ${ECHO} 1>&2 "$self: unknown option -- ${1#-}"
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usage
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exit 1
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;;
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*) break ;;
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esac
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done
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# Process required arguments
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startdir=`${PWD_CMD}`
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while ${TEST} $# -gt 0; do
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dir="$1"; shift
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case "$dir" in
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${PKGSRCDIR}/*) ;;
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/*) ${ECHO} 1>&2 "$self: \`\`$dir'' not a valid package directory"
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exitcode=1
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continue
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;;
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esac
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if ${TEST} ! -d "$startdir/$dir"; then
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${ECHO} 1>&2 "$self: \`\`$dir'' not found"
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exitcode=1
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continue
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fi
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pkgpath=`cd $startdir/$dir && ${PWD_CMD}`
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pkgpath="${pkgpath#${PKGSRCDIR}/}"
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${ECHO} "$pkgpath"
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done
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exit $exitcode
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