#!/bin/sh
# script/docker: build the Docker image tagged with the project name.
# The tag comes from script/projectname.
#
# --no-cache-filter=lint,builder runs the lint stage and the builder
# stage (make test) on every invocation; otherwise an unchanged tree is
# served from the layer cache without linting or querying live DNS.
set -eu

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"

main() {
    cd "$ROOT"
    # Own line: a failing command substitution inside an argument does
    # not trip `set -e`, so the inline form degrades silently to an
    # empty constant. VERSION is computed here because .dockerignore
    # excludes .git, so `git describe` in a build stage cannot find it.
    version="$(git describe --tags --always --dirty 2>/dev/null || true)"
    [ -n "$version" ] || version="unknown"
    docker build --no-cache-filter=lint,builder \
        --build-arg VERSION="$version" \
        -t "$("$SCRIPT_DIR/projectname")" .
}

main "$@"