#!/bin/bash
#
# A script which checks that an appropriate news file has been added on this
# branch.

set -e

# make sure that origin/develop is up to date
git remote set-branches --add origin develop
git fetch origin develop

# if there are changes in the debian directory, check that the debian changelog
# has been updated
if ! git diff --quiet FETCH_HEAD... -- debian; then
    if git diff --quiet FETCH_HEAD... -- debian/changelog; then
        echo "Updates to debian directory, but no update to the changelog." >&2
        exit 1
    fi
fi

# if there are changes *outside* the debian directory, check that the
# newsfragments have been updated.
if git diff --name-only FETCH_HEAD... | grep -qv '^debian/'; then
    tox -e check-newsfragment
fi

echo
echo "--------------------------"
echo

# check that any new newsfiles on this branch end with a full stop.
for f in `git diff --name-only FETCH_HEAD... -- changelog.d`; do
    lastchar=`tr -d '\n' < $f | tail -c 1`
    if [ $lastchar != '.' -a $lastchar != '!' ]; then
        echo -e "\e[31mERROR: newsfragment $f does not end with a '.' or '!'\e[39m" >&2
        exit 1
    fi
done

