#!/bin/sh

export DEBFULLNAME="`git config --get user.name`"
export DEBEMAIL="`git config --get user.email`"

BRANCH=`git rev-parse --abbrev-ref HEAD`
FLAVOR="`dpkg-parsechangelog --show-field Distribution`"
LASTVER=`dpkg-parsechangelog --show-field Version`
NEWVER=$1
if [ -z "$NEWVER" ]; then
	echo "Specify the new version tag (old is $LASTVER)" >&2
	exit 1
fi

echo "new version $NEWVER, changes from $LASTVER on branch $BRANCH"

gbp dch -s "$BRANCH" -D "$FLAVOR" -N "$NEWVER" -c --debian-branch="$BRANCH" --since="$LASTVER"
if [ $? -ne 0 ]; then
	echo "Automatic update of debian/changelog failed"
	exit 1
fi
git tag "$NEWVER"

echo "debian/changelog has been modified. Verify before \"git push\"!"
echo "Don't forget to check / push tags"