File: vc

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obs-build 20180831-2
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#!/bin/bash
# use this script to edit *.changes files
#
# based on changelog edit script from xqf
#
# Copyright (C) 2002 Ludwig Nussel
# Copyright (C) 2009 SUSE Linux Products GmbH, Nuernberg, Germany.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 or 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

shopt -s nullglob

if [ -z "$mailaddr" ]; then
	domain=`dnsdomainname`
	[ -z "$domain" ] && domain=localhost
	mailaddr="$USER@$domain"
fi

if [ -n "$VC_REALNAME" ]; then
	packager="$VC_REALNAME <${VC_MAILADDR:-$mailaddr}>"
elif [ -x /usr/bin/rpmdev-packager ]; then
	packager=`rpmdev-packager`
else
	packager="`getent passwd $UID | cut -d: -f5 | cut -d ',' -f 1` <$mailaddr>"
fi

EDITOR=${EDITOR:-vim}
date=`LC_ALL=POSIX TZ=UTC date`

if ! which mktemp > /dev/null 2>&1; then
	echo "mktemp is required for this script to work"
	exit 1
fi

while [ -n "$1" ]; do
	case "$1" in
		-m)
			if [ $just_edit ]; then
				echo "You cannot use -m and -e together!"
				exit 1
			fi
			message="$2"
			shift 2
			;;
		-e)
			if [ -n "${message}" ]; then
				echo "You cannot use -m and -e together!"
				exit 1
			fi
			just_edit=true
			shift 1
			;;
		--help)
			echo "Usage: $0 [-m MESSAGE|-e] [filename[.changes]|path [file_with_comment]]"
			echo
			echo "Will use '$packager' for changelog entries"
			echo
			echo "Options:"
			echo "    -m MESSAGE    add MESSAGE to changes (not open an editor)"
			echo "    -e            just open changes (cannot be used with -m)"
			exit 0
			;;
		*) break ;;
	esac
done

changelog="$1"
content="$2"
pkgpath=
if [ -n "$changelog" -a -d "$changelog" ]; then
	pkgpath="$changelog/"
	changelog=''
fi

if [ -n "$changelog" ]; then
	if [ "${changelog%.changes}" = "$changelog" ]; then
		changelog="$changelog.changes"
	fi
else
	changelog=($pkgpath*.changes)
	if [ "${#changelog[@]}" -eq 1 ]; then
		changelog="$changelog"
	elif [ -n "$changelog" ]; then
		echo "Choose one of ${changelog[@]}"
		exit 1
	fi
fi

if [ -z "$changelog" ]; then
	changelog=($pkgpath*.spec)
	if [ "${#changelog[@]}" -eq 1 ]; then
		changelog=${changelog%.spec}.changes
	elif [ -n "$changelog" ]; then
		echo "Choose one of ${changelog[@]}"
		exit 1
	fi
fi

if [ -z "$changelog" ]; then
	echo "no .changes and no .spec file found"
	exit 1
fi

if [ ! -e "$changelog" ]; then
	created_new_changelog=true
	touch $changelog
fi

tmpfile=`mktemp -q $changelog.vctmp.XXXXXX`
if [ $? -ne 0 ]; then
	echo "$0: Can't create temp file, exiting..."
	exit 1
fi
trap "rm -f \"$tmpfile\"" EXIT

set +e

{
	if [ ! $just_edit ]; then
		echo "-------------------------------------------------------------------"
		echo "$date - $packager"
		echo
	fi
	if [ -n "$message" ]; then
		echo -e "- $message"
	elif [ -n "$content" ]; then
		cat "$content"
	elif [ ! $just_edit ]; then
		echo "- "
	fi
	if [ -f "$changelog" ] && [ -s "$changelog" ] && [ ! $just_edit ]; then
		# Avoid double newlines at EOF on a new blank .changes file,
		# but do provide enough spacing between preexisting log entries.
		echo
	fi
	cat $changelog
} >> "$tmpfile"

if [ -z "$message" ]; then
	set -- `md5sum "$tmpfile"`
	chksum="$1"
	$EDITOR +4 "$tmpfile"
	set -- `md5sum "$tmpfile"`
	if [ -z "$content" -a "$chksum" == "$1" ]; then
		echo "no changes made"
		if [ "$created_new_changelog" = true ]; then
			rm -f "$changelog"
		fi
		exit 0
	fi
fi
mode=`stat -c "%a" "$changelog"`
user=`stat -c "%u:%g" "$changelog"`
mv "$tmpfile" "$changelog"
chmod $mode "$changelog"
chown $user "$changelog"