128 lines
4.3 KiB
Bash
Executable File
128 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# build-plan.sh
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# Calculates whether to build from scratch, skip tests, or retag an existing image.
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#
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# Inputs (via env or arguments):
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# REF: Git reference (e.g. refs/heads/dev, refs/heads/main, refs/tags/v0.10.0)
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# COMMIT: Commit SHA or HEAD (defaults to HEAD)
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# IMAGE: Docker image repository name (e.g. git.dsit.me/sandrodach/mindsift)
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# PKG_VERSION: Package version from package.json (optional, auto-detected)
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# CHECK_IMAGE_CMD: Command to check image existence in registry (default: "docker manifest inspect")
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REF="${REF:-${1:-}}"
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COMMIT="${COMMIT:-${2:-HEAD}}"
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IMAGE="${IMAGE:-${3:-}}"
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PKG_VERSION="${PKG_VERSION:-${4:-}}"
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CHECK_CMD="${CHECK_IMAGE_CMD:-docker manifest inspect}"
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if [ -z "${REF}" ]; then
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REF="$(git symbolic-ref -q HEAD 2>/dev/null || git describe --tags --exact-match 2>/dev/null || echo "refs/heads/dev")"
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fi
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if [ -z "${PKG_VERSION}" ] && [ -f "frontend/package.json" ]; then
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PKG_VERSION="$(sed -nE 's/^ "version": "([^"]+)".*/\1/p' frontend/package.json | head -n1)"
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fi
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SHORT_SHA="$(git rev-parse --short=8 "${COMMIT}^{commit}" 2>/dev/null || echo "unknown")"
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SHORT_TREE="$(git rev-parse --short=12 "${COMMIT}^{tree}" 2>/dev/null || echo "unknown")"
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image_exists() {
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local target="$1"
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${CHECK_CMD} "${target}" >/dev/null 2>&1
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}
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ACTION="build"
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SKIP_TESTS="0"
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APP_VERSION=""
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TAGS=""
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SOURCE_IMAGE=""
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REASON=""
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case "${REF}" in
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refs/heads/dev|dev)
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ACTION="build"
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SKIP_TESTS="0"
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APP_VERSION=""
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TAGS="dev tree-${SHORT_TREE}"
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REASON="Dev branch push: running full frontend and backend tests, tagging :dev and :tree-${SHORT_TREE}"
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;;
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refs/heads/main|main)
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ACTION="build"
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APP_VERSION="v${PKG_VERSION}"
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TAGS="latest sha-${SHORT_SHA} tree-${SHORT_TREE}"
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# Check if this exact tree was already successfully tested on dev
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if [ -n "${IMAGE}" ] && image_exists "${IMAGE}:tree-${SHORT_TREE}"; then
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SKIP_TESTS="1"
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REASON="Main branch merge/push: tree :tree-${SHORT_TREE} was already tested on dev. Skipping tests (SKIP_TESTS=1)."
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else
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SKIP_TESTS="0"
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REASON="Main branch merge/push: tree :tree-${SHORT_TREE} not found in registry. Running full tests (SKIP_TESTS=0)."
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fi
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;;
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refs/tags/v*|v*)
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TAG_NAME="${REF#refs/tags/}"
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# If pre-release (contains hyphen like v1.0.0-rc.1), do not tag :stable
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if [[ "${TAG_NAME}" == *-* ]]; then
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TARGET_TAGS="${TAG_NAME}"
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else
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TARGET_TAGS="${TAG_NAME} stable"
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fi
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# Check if a main image was already built for this exact commit
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if [ -n "${IMAGE}" ] && image_exists "${IMAGE}:sha-${SHORT_SHA}"; then
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ACTION="retag"
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SOURCE_IMAGE="${IMAGE}:sha-${SHORT_SHA}"
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SKIP_TESTS="1"
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TAGS="${TARGET_TAGS}"
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REASON="Release tag ${TAG_NAME} points to commit with existing image (${IMAGE}:sha-${SHORT_SHA}). Retagging without rebuild."
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else
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ACTION="build"
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APP_VERSION="${TAG_NAME}"
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TAGS="${TARGET_TAGS}"
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if [ -n "${IMAGE}" ] && image_exists "${IMAGE}:tree-${SHORT_TREE}"; then
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SKIP_TESTS="1"
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REASON="Release tag ${TAG_NAME}: :sha-${SHORT_SHA} not found, but tree was tested on dev. Building with SKIP_TESTS=1."
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else
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SKIP_TESTS="0"
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REASON="Release tag ${TAG_NAME}: :sha-${SHORT_SHA} not found and tree not verified. Building with full tests (SKIP_TESTS=0)."
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fi
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fi
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;;
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*)
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REF_SLUG="$(echo "${REF#refs/heads/}" | sed 's#/#-#g' | tr '[:upper:]' '[:lower:]')"
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ACTION="build"
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SKIP_TESTS="0"
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APP_VERSION=""
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TAGS="${REF_SLUG}"
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REASON="Feature/other branch (${REF}): building with full tests"
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;;
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esac
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# Output to stdout
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echo "ACTION=${ACTION}"
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echo "SKIP_TESTS=${SKIP_TESTS}"
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echo "APP_VERSION=${APP_VERSION}"
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echo "TAGS=${TAGS}"
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echo "SOURCE_IMAGE=${SOURCE_IMAGE}"
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echo "SHORT_SHA=${SHORT_SHA}"
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echo "SHORT_TREE=${SHORT_TREE}"
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echo "REASON=${REASON}"
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# Output to GITHUB_OUTPUT if present
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if [ -n "${GITHUB_OUTPUT:-}" ] && [ -w "${GITHUB_OUTPUT}" ]; then
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echo "action=${ACTION}" >> "${GITHUB_OUTPUT}"
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echo "skip_tests=${SKIP_TESTS}" >> "${GITHUB_OUTPUT}"
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echo "app_version=${APP_VERSION}" >> "${GITHUB_OUTPUT}"
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echo "tags=${TAGS}" >> "${GITHUB_OUTPUT}"
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echo "source_image=${SOURCE_IMAGE}" >> "${GITHUB_OUTPUT}"
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echo "short_sha=${SHORT_SHA}" >> "${GITHUB_OUTPUT}"
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echo "short_tree=${SHORT_TREE}" >> "${GITHUB_OUTPUT}"
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echo "reason=${REASON}" >> "${GITHUB_OUTPUT}"
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fi
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