#!/bin/sh

# abump - bump pkgver in APKBUILDs
# Copyright (c) 2012 Natanael Copa <ncopa@alpinelinux.org>
#
# Distributed under GPL-2
#

abuild_ver=@VERSION@
datadir=@datadir@

if ! [ -f "$datadir/functions.sh" ]; then
	echo "$datadir/functions.sh: not found" >&2
	exit 1
fi
. "$datadir/functions.sh"


# version bump a pkg

do_bump() {
	local pkgname=${1%-[0-9]*}
	local pkgver=${1#${pkgname}-}

	APORTS=$HOME/aports

	set -e

	cd $APORTS/*/$pkgname || return 1
	local section=${PWD%/*} upgrade="upgrade" cve=
	section=${section##*/}
	if [ -n "$cvelist" ]; then
		upgrade="security upgrade"
		cve=" ($cvelist)"
	fi

	message="$section/$pkgname: $upgrade to ${pkgver}${cve}"
	if [ -n "$fixes" ]; then
		message="$message

fixes #${fixes#\#}
"
	fi
	echo "$message"

	( . ./APKBUILD; type package | grep -q function ) || die "package() missing"

	sed -i -e "s/^pkgver=.*/pkgver=$pkgver/" \
		-e "s/^pkgrel=.*/pkgrel=0/" \
		APKBUILD

	abuild $abuild_opts checksum all || exit 1

	git add APKBUILD
	git commit -m"$message"
}

usage() {
	cat >&2 <<__EOF__
$prog $abuild_ver - bump pkgver in APKBUILDs
Usage: $prog [-s CVE-1,CVE-2,...] [-f ISSUE] [-R|--recursive] [-k|--keep] PKGNAME-1.2.3 ...
Options:
  -s, --security CVE1,CVE-2,...  Security update
  -f, --fixes ISSUE              Fixes ISSUE
  -R, --recursive                Run abuild with -R for recursive building
  -k, --keep                     Run abuild with -k to keep existing packages
  -q, --quiet
  -h, --help                     Show this help

__EOF__
}

keep=
recursive="-r"
cvelist=
fixes=

args=`getopt -o s:Rkqh --long security:,recursive,keep,quiet,help -n "$prog" -- "$@"`
if [ $? -ne 0 ]; then
	usage
	exit 2
fi
eval set -- "$args"
while true; do
	case $1 in
		-s|--security) cvelist="$2"; shift;;
		-f|--fixes) fixes="$2"; shift;;
		-R|--recursive) recursive="-R";;
		-k|--keep) keep="-k";;
		-q|--quiet) quiet=1;; # suppresses msg
		-h|--help) usage; exit;;
		--) shift; break;;
		*) exit 1;; # getopt error
	esac
	shift
done
if [ $# -eq 0 ]; then
	usage
	exit 2
fi

abuild_opts="$recursive $keep"

while [ $# -gt 0 ]; do
	( do_bump "$1" ) || exit 1
	shift
done