134 lines
3.7 KiB
Bash
134 lines
3.7 KiB
Bash
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#!/bin/sh
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#-
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# Copyright (c) 2014 The FreeBSD Foundation
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# All rights reserved.
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#
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# This software were developed by Glen Barber
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# under sponsorship from the FreeBSD Foundation.
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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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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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set -C
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PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
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export PATH
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usage() {
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echo "Usage:"
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echo -n "$(basename ${0}) [-rNNNNNN]"
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echo " [-l /path/for/output] /path/to/branch"
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echo " -r: The oldest commit to include in the search"
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echo ""
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exit 1
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}
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main() {
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while getopts "l:r:" arg ; do
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case ${arg} in
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l)
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# Disallow '-rNNNNNN' argument for oldest
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# revision # from becoming the log file
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# accidentally.
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where="${OPTARG##-r*}"
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[ -z "${where}" ] && usage
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if [ -e "${where}" ]; then
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echo "Log file already exists:"
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echo " (${where})"
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exit 2
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fi
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;;
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r)
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rev="${OPTARG##-r}"
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c=$(echo -n ${rev} | tr -d '0-9' | wc -c)
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if [ ${c} -ne 0 ]; then
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echo "Revision number must be numeric."
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exit 2
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fi
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# Since the last specified revision is
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# specified, mangle the variable to
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# make svn syntax happy.
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rev="-r${rev}:rHEAD"
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;;
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*)
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usage
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;;
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esac
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done
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shift $(( ${OPTIND} - 1 ))
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# This assumes a local working copy, which svn search
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# allows exactly one repository path (although the root
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# can still be the path).
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[ "$#" -ne 1 ] && usage
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# If no log file, write to stdout.
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[ -z "${where}" ] && where=/dev/stdout
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svn=
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# Where is svn?
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for s in /usr/bin /usr/local/bin; do
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if [ -x ${s}/svn ]; then
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svn=${s}/svn
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break
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fi
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if [ -x ${s}/svnlite ]; then
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svn=${s}/svnlite
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break
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fi
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done
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# Did we find svn?
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if [ -z "${svn}" ]; then
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echo "svn(1) binary not found."
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exit 2
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fi
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# Is more than one path specified? (This should never
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# be triggered, because the argument count is checked
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# above, but better safe than sorry.)
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if [ $# -gt 1 ]; then
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echo "Cannot specify more than one working path."
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exit 2
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fi
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# Does the directory exist?
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if [ ! -d "${1}" ]; then
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echo "Specified path (${1}) is not a directory."
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exit 2
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fi
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# Is it a subversion repository checkout?
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${svn} info ${1} >/dev/null 2>&1
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if [ "$?" -ne 0 ]; then
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echo "Cannot determine svn repository information for ${1}"
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exit 2
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fi
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# All tests passed. Let's see what can possibly go wrong
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# from here. The search string specified should match this
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# in PCRE speak: ':[\t ]*'
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${svn} log ${rev} --search 'Relnotes:?[^ ]*' ${1} > ${where}
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return $?
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}
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main "${@}"
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exit $?
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