121 lines
3.3 KiB
Bash
121 lines
3.3 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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# Unified docker image builder for all distros.
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#
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# Supports:
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# --missing Build only if image does not exist
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# --no-cache Disable docker layer cache
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# --target Dockerfile target (e.g. virgin|full)
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# --tag Override image tag (default: pkgmgr-$distro[-$target])
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#
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# Requires:
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# - env var: distro (arch|debian|ubuntu|fedora|centos)
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# - base.sh in same dir
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#
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# Examples:
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# distro=arch bash scripts/build/image.sh
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# distro=arch bash scripts/build/image.sh --no-cache
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# distro=arch bash scripts/build/image.sh --missing
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# distro=arch bash scripts/build/image.sh --target virgin
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# distro=arch bash scripts/build/image.sh --target virgin --missing
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# distro=arch bash scripts/build/image.sh --tag myimg:arch
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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# shellcheck source=/dev/null
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source "${SCRIPT_DIR}/base.sh"
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: "${distro:?Environment variable 'distro' must be set (arch|debian|ubuntu|fedora|centos)}"
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NO_CACHE=0
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MISSING_ONLY=0
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TARGET=""
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IMAGE_TAG="" # derive later unless --tag is provided
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usage() {
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local default_tag="pkgmgr-${distro}"
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if [[ -n "${TARGET:-}" ]]; then
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default_tag="${default_tag}-${TARGET}"
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fi
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cat <<EOF
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Usage: distro=<distro> $0 [--missing] [--no-cache] [--target <name>] [--tag <image>]
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Options:
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--missing Build only if the image does not already exist
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--no-cache Build with --no-cache
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--target <name> Build a specific Dockerfile target (e.g. virgin|full)
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--tag <image> Override the output image tag (default: ${default_tag})
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-h, --help Show help
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EOF
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--no-cache) NO_CACHE=1; shift ;;
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--missing) MISSING_ONLY=1; shift ;;
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--target)
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TARGET="${2:-}"
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if [[ -z "${TARGET}" ]]; then
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echo "ERROR: --target requires a value (e.g. virgin|full)" >&2
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exit 2
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fi
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shift 2
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;;
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--tag)
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IMAGE_TAG="${2:-}"
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if [[ -z "${IMAGE_TAG}" ]]; then
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echo "ERROR: --tag requires a value" >&2
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exit 2
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fi
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shift 2
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;;
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-h|--help) usage; exit 0 ;;
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*)
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echo "ERROR: Unknown argument: $1" >&2
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usage
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exit 2
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;;
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esac
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done
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# Auto-tag: if --tag not provided, derive from distro (+ target suffix)
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if [[ -z "${IMAGE_TAG}" ]]; then
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IMAGE_TAG="pkgmgr-${distro}"
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if [[ -n "${TARGET}" ]]; then
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IMAGE_TAG="${IMAGE_TAG}-${TARGET}"
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fi
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fi
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BASE_IMAGE="$(resolve_base_image "$distro")"
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if [[ "${MISSING_ONLY}" == "1" ]]; then
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if docker image inspect "${IMAGE_TAG}" >/dev/null 2>&1; then
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echo "[build] Image already exists: ${IMAGE_TAG} (skipping due to --missing)"
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exit 0
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fi
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fi
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echo
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echo "------------------------------------------------------------"
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echo "[build] Building image: ${IMAGE_TAG}"
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echo "distro = ${distro}"
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echo "BASE_IMAGE = ${BASE_IMAGE}"
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if [[ -n "${TARGET}" ]]; then echo "target = ${TARGET}"; fi
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if [[ "${NO_CACHE}" == "1" ]]; then echo "cache = disabled"; fi
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echo "------------------------------------------------------------"
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build_args=(--build-arg "BASE_IMAGE=${BASE_IMAGE}")
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if [[ "${NO_CACHE}" == "1" ]]; then
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build_args+=(--no-cache)
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fi
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if [[ -n "${TARGET}" ]]; then
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build_args+=(--target "${TARGET}")
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fi
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build_args+=(-t "${IMAGE_TAG}" .)
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docker build "${build_args[@]}"
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