build-local

#!/usr/bin/env bash
: <<=cut
=pod

=head1 NAME

build-local - Build a hassio-cli image locally

=head1 SYNOPSIS

build-local

=head1 CONFIGURATION

The following environment variables are recognized:

=over 4

=item BUILD_ARCH - default to the host architecture

=over 4

=item aarch64

=item amd64

=item armhf

=item armv7

=item i386

=back

=item BUILD_FROM - default taken from build.yaml

=item CLI_BASE - default taken from Dockerfile

=item CLI_VERSION - default taken from build.yaml

=item IMAGE_BASE - default to ghcr.io/home-assistant

=item PLATFORM - default to $BUILD_ARCH

=item RLWRAP_BASE - default taken from Dockerfile

=item RLWRAP_VERSION - default taken from build.yaml

=back

=head1 REQUIREMENTS

yq - jq wrapper for YAML documents, see https://kislyuk.github.io/yq/

=cut

: "${IMAGE_BASE:=ghcr.io/home-assistant}"

if [ -z "$BUILD_ARCH" ]; then
  BUILDARCH=$(uname -m)
  case "$BUILDARCH" in
    aarch64|arm64) BUILD_ARCH=aarch64 ;;
    armv6l) BUILD_ARCH=armhf ;;
    armv7l) BUILD_ARCH=armv7 ;;
    i?86|x86|x86pc) BUILD_ARCH=i386 ;;
    x86_64) BUILD_ARCH=amd64 ;;
    *) echo >&2 "Unknown BUILDARCH=$BUILDARCH"; exit 1 ;;
  esac
fi

if [ -z "$PLATFORM" ]; then
  case "$BUILD_ARCH" in
    aarch64) PLATFORM=linux/arm64 ;;
    amd64) PLATFORM=linux/$BUILD_ARCH ;;
    armhf) PLATFORM=linux/arm/v6 ;;
    armv7) PLATFORM=linux/arm/v7 ;;
    i386) PLATFORM=linux/386 ;;
    *) echo >&2 "Unknown BUILD_ARCH=$BUILD_ARCH"; exit 1 ;;
  esac
fi

if [ -z "$BUILD_FROM" ]; then
  BUILD_FROM=$(yq -r ".build_from.$BUILD_ARCH" build.yaml)
fi
if [ -z "$CLI_VERSION" ]; then
  CLI_VERSION=$(yq -r ".args.CLI_VERSION" build.yaml)
fi
if [ -z "$RLWRAP_VERSION" ]; then
  RLWRAP_VERSION=$(yq -r ".args.RLWRAP_VERSION" build.yaml)
fi

export BUILD_ARCH BUILD_FROM CLI_BASE CLI_VERSION RLWRAP_BASE RLWRAP_VERSION
docker build \
  --build-arg BUILD_ARCH \
  --build-arg BUILD_FROM \
  --build-arg CLI_BASE \
  --build-arg CLI_VERSION \
  --build-arg RLWRAP_BASE \
  --build-arg RLWRAP_VERSION \
  --platform "$PLATFORM" \
  --tag "$IMAGE_BASE"/"$BUILD_ARCH"-hassio-cli \
  .