Add package-first build and distribution workflow

scripts/package_arch.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+source "${SCRIPT_DIR}/package_common.sh"
+
+require_command git
+require_command sha256sum
+
+VERSION="$(project_version)"
+PACKAGE_NAME="$(project_name)"
+ARCH_DIST_DIR="${DIST_DIR}/arch"
+TARBALL_NAME="${PACKAGE_NAME}-${VERSION}.tar.gz"
+TARBALL_PATH="${ARCH_DIST_DIR}/${TARBALL_NAME}"
+PKGBUILD_PATH="${ARCH_DIST_DIR}/PKGBUILD"
+
+mkdir -p "${ARCH_DIST_DIR}"
+
+git -C "${ROOT_DIR}" archive \
+  --format=tar.gz \
+  --prefix="${PACKAGE_NAME}-${VERSION}/" \
+  HEAD \
+  > "${TARBALL_PATH}"
+
+TARBALL_SHA256="$(sha256sum "${TARBALL_PATH}" | awk '{print $1}')"
+
+render_template \
+  "${ROOT_DIR}/packaging/arch/PKGBUILD.in" \
+  "${PKGBUILD_PATH}" \
+  "VERSION=${VERSION}" \
+  "TARBALL_NAME=${TARBALL_NAME}" \
+  "TARBALL_SHA256=${TARBALL_SHA256}"
+
+echo "generated ${PKGBUILD_PATH}"
+echo "generated ${TARBALL_PATH}"
+
+if [[ "${BUILD_ARCH_PACKAGE:-0}" == "1" ]]; then
+  require_command makepkg
+  (
+    cd "${ARCH_DIST_DIR}"
+    makepkg -f
+  )
+fi

scripts/package_common.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+DIST_DIR="${ROOT_DIR}/dist"
+BUILD_DIR="${ROOT_DIR}/build"
+APP_NAME="aman"
+
+mkdir -p "${DIST_DIR}" "${BUILD_DIR}"
+
+require_command() {
+  local cmd="$1"
+  if command -v "${cmd}" >/dev/null 2>&1; then
+    return
+  fi
+  echo "missing required command: ${cmd}" >&2
+  exit 1
+}
+
+project_version() {
+  require_command python3
+  python3 - <<'PY'
+from pathlib import Path
+import re
+
+text = Path("pyproject.toml").read_text(encoding="utf-8")
+match = re.search(r'(?m)^version\s*=\s*"([^"]+)"\s*$', text)
+if not match:
+    raise SystemExit("project version not found in pyproject.toml")
+print(match.group(1))
+PY
+}
+
+project_name() {
+  require_command python3
+  python3 - <<'PY'
+from pathlib import Path
+import re
+
+text = Path("pyproject.toml").read_text(encoding="utf-8")
+match = re.search(r'(?m)^name\s*=\s*"([^"]+)"\s*$', text)
+if not match:
+    raise SystemExit("project name not found in pyproject.toml")
+print(match.group(1))
+PY
+}
+
+build_wheel() {
+  require_command python3
+  python3 -m build --wheel --no-isolation
+}
+
+latest_wheel_path() {
+  require_command python3
+  python3 - <<'PY'
+from pathlib import Path
+import re
+
+text = Path("pyproject.toml").read_text(encoding="utf-8")
+name_match = re.search(r'(?m)^name\s*=\s*"([^"]+)"\s*$', text)
+version_match = re.search(r'(?m)^version\s*=\s*"([^"]+)"\s*$', text)
+if not name_match or not version_match:
+    raise SystemExit("project metadata not found in pyproject.toml")
+name = name_match.group(1).replace("-", "_")
+version = version_match.group(1)
+candidates = sorted(Path("dist").glob(f"{name}-{version}-*.whl"))
+if not candidates:
+    raise SystemExit("no wheel artifact found in dist/")
+print(candidates[-1])
+PY
+}
+
+render_template() {
+  local template_path="$1"
+  local output_path="$2"
+  shift 2
+  cp "${template_path}" "${output_path}"
+  for mapping in "$@"; do
+    local key="${mapping%%=*}"
+    local value="${mapping#*=}"
+    sed -i "s|__${key}__|${value}|g" "${output_path}"
+  done
+}

scripts/package_deb.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+source "${SCRIPT_DIR}/package_common.sh"
+
+require_command dpkg-deb
+require_command python3
+
+VERSION="$(project_version)"
+PACKAGE_NAME="$(project_name)"
+ARCH="${DEB_ARCH:-}"
+if [[ -z "${ARCH}" ]]; then
+  if command -v dpkg >/dev/null 2>&1; then
+    ARCH="$(dpkg --print-architecture)"
+  else
+    ARCH="amd64"
+  fi
+fi
+
+build_wheel
+WHEEL_PATH="$(latest_wheel_path)"
+
+STAGE_DIR="${BUILD_DIR}/deb/${PACKAGE_NAME}_${VERSION}_${ARCH}"
+PACKAGE_BASENAME="${PACKAGE_NAME}_${VERSION}_${ARCH}"
+DEB_PATH="${DIST_DIR}/${PACKAGE_BASENAME}.deb"
+VENV_DIR="${STAGE_DIR}/opt/${PACKAGE_NAME}/venv"
+PIP_ARGS=()
+if [[ -n "${AMAN_WHEELHOUSE_DIR:-}" ]]; then
+  PIP_ARGS+=(--no-index --find-links "${AMAN_WHEELHOUSE_DIR}")
+fi
+
+rm -rf "${STAGE_DIR}"
+mkdir -p "${STAGE_DIR}/DEBIAN"
+mkdir -p "${STAGE_DIR}/usr/bin"
+mkdir -p "${STAGE_DIR}/usr/lib/systemd/user"
+mkdir -p "${STAGE_DIR}/opt/${PACKAGE_NAME}"
+
+render_template \
+  "${ROOT_DIR}/packaging/deb/control.in" \
+  "${STAGE_DIR}/DEBIAN/control" \
+  "PACKAGE_NAME=${PACKAGE_NAME}" \
+  "VERSION=${VERSION}" \
+  "ARCH=${ARCH}"
+
+cp "${ROOT_DIR}/packaging/deb/postinst" "${STAGE_DIR}/DEBIAN/postinst"
+chmod 0755 "${STAGE_DIR}/DEBIAN/postinst"
+
+python3 -m venv --system-site-packages "${VENV_DIR}"
+"${VENV_DIR}/bin/python" -m pip install "${PIP_ARGS[@]}" "${WHEEL_PATH}"
+
+cat >"${STAGE_DIR}/usr/bin/${PACKAGE_NAME}" <<EOF
+#!/usr/bin/env bash
+set -euo pipefail
+exec /opt/${PACKAGE_NAME}/venv/bin/${PACKAGE_NAME} "\$@"
+EOF
+chmod 0755 "${STAGE_DIR}/usr/bin/${PACKAGE_NAME}"
+
+cp "${ROOT_DIR}/systemd/aman.service" "${STAGE_DIR}/usr/lib/systemd/user/aman.service"
+
+rm -f "${DEB_PATH}"
+dpkg-deb --build --root-owner-group "${STAGE_DIR}" "${DEB_PATH}"
+echo "built ${DEB_PATH}"