#!/usr/bin/env bash
set -e

die () {
    echo >&2 "$@"
    exit 1
}

for command in help2man cargo-release; do
    if ! command -v $command &> /dev/null
    then
        echo "$command binary could not be found"
        exit
    fi
done

[ "$#" -eq 1 ] || die "usage: ./release.sh [patch|major|minor|rc]"
git diff --quiet || die 'ERROR: git repo is dirty.'

cargo build

for binary in "innernet" "innernet-server"; do
    help2man --no-discard-stderr -s8 "target/debug/$binary" -N > "doc/$binary.8"
    gzip -f "doc/$binary.8"
done

git add doc
git commit -m "meta: update manpages"
cargo release "$1" --no-confirm --exclude "hostsfile"

# re-stage the manpage commit and the cargo-release commit
git reset --soft @~2

VERSION="$(cargo pkgid -p shared | cut -d '#' -f 2)"

git commit -m "meta: release v$VERSION"
git tag "v$VERSION"