#!/bin/sh
set -eu

EDITOR=${EDITOR:-vi}
REPO="$(basename "$(readlink -f .)")"

BEFORE=$(git diff --color=never|awk -F. '/^-Version/ {print $NF}')
AFTER=$(git diff --color=never|awk -F. '/^+Version/ {print $NF}')

[ -z "$BEFORE" -o -z "$AFTER" ] && exit 0

cd "$REPO"
CHGLOG="$(git log --pretty='format:  - %s' "$BEFORE..$AFTER")"
cd ..
osc vc -m "Update from $BEFORE to $AFTER:\n$CHGLOG"
$EDITOR *.changes