build-images.sh - mozsearch

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#!/usr/bin/env bash

# Copyright (C) 2026 The Qt Company Ltd.

# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

set -euo pipefail

script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"

# shellcheck source=build-config.sh

source "${script_dir}/build-config.sh"

image_base_name="${IMAGE_PREFIX}-${DISTRO_NAME}-${DISTRO_VERSION}-${ARCH}"

image_50_name="${image_base_name}-${MINIMAL_INDEX}"

image_51_name="${image_base_name}-${CUSTOM_INDEX}"

image_50="${ARTIFACT_DIR}/${image_50_name}"

image_51="${ARTIFACT_DIR}/${image_51_name}"

image_51_seed="/tmp/${image_51_name}-seed.qcow2"

stage_50_output="/tmp/packer-output-${MINIMAL_INDEX}"

stage_51_output="/tmp/packer-output-${CUSTOM_INDEX}"

template="linux-image.pkr.hcl"

# Pass one source of configuration into Packer without duplicating distro and

# version literals in HCL or a second variable file.

export PKR_VAR_distro_name="$DISTRO_NAME"

export PKR_VAR_distro_version="$DISTRO_VERSION"

export PKR_VAR_image_prefix="$IMAGE_PREFIX"

export PKR_VAR_arch="$ARCH"

export PKR_VAR_minimal_index="$MINIMAL_INDEX"

export PKR_VAR_custom_index="$CUSTOM_INDEX"

export PKR_VAR_iso_path="$ISO_PATH"

# export PKR_VAR_iso_checksum_file="$ISO_CHECKSUM_FILE"

export PKR_VAR_project_dir="$PROJECT_DIR"

export PKR_VAR_artifact_dir="$ARTIFACT_DIR"

export PKR_VAR_disk_size="$DISK_SIZE"

export PKR_VAR_cpus="$CPUS"

export PKR_VAR_memory_mb="$MEMORY_MB"

export PKR_VAR_ssh_username="$SSH_USERNAME"

export PKR_VAR_ssh_password="$SSH_PASSWORD"

if [[ "$script_dir" != "$PROJECT_DIR" ]]; then

  echo "ERROR: Bundle is at '$script_dir', but PROJECT_DIR is '$PROJECT_DIR'." >&2

  echo "Move/extract it there or update PROJECT_DIR in build-config.sh." >&2

  exit 1

fi

for required_file in $ISO_PATH; do

  if [[ ! -f "$required_file" ]]; then

    echo "ERROR: Required file is missing: $required_file" >&2

    exit 1

fi

done

# Stage 51 is always regenerated. Stage 50 is retained

rm -rf "$stage_50_output" "$stage_51_output"

rm -f "$image_51" "$image_51_seed"

rm -f "${image_51}.sha256"

packer init "$template"

packer validate "$template"

if [[ -f "$image_50" ]]; then

  echo "Stage ${MINIMAL_INDEX}: existing image found:"

  echo "  $image_50"

  echo "Validating existing image before skipping the build..."

  if ! qemu-img check "$image_50"; then

    echo "ERROR: Existing stage-${MINIMAL_INDEX} image failed validation:" >&2

    echo "  $image_50" >&2

    echo "The image was not deleted or overwritten." >&2

    echo "Remove it manually" >&2

    exit 1

fi

  echo "Stage ${MINIMAL_INDEX}: image is valid, skipping Packer build."

  sha256sum "$image_50" > "${image_50}.sha256"

else

  echo "Stage ${MINIMAL_INDEX}: no existing image found, starting Packer."

  PACKER_LOG=1 \

  PACKER_LOG_PATH="/tmp/packer-stage-${MINIMAL_INDEX}.log" \

  packer build -only=stage-50.qemu.stage_50 "$template"

  qemu-img check "$image_50"

  sha256sum "$image_50" > "${image_50}.sha256"

fi

echo "Creating independent stage-${CUSTOM_INDEX} seed..."

qemu-img convert -p -f qcow2 -O qcow2 "$image_50" "$image_51_seed"

qemu-img check "$image_51_seed"

PACKER_LOG=1 \

PACKER_LOG_PATH="/tmp/packer-stage-${CUSTOM_INDEX}.log" \

packer build -only=stage-51.qemu.stage_51 "$template"

qemu-img check "$image_51"

sha256sum "$image_51" > "${image_51}.sha256"

  cd "$ARTIFACT_DIR"

  sha256sum --check "$(basename "${image_50}.sha256")"

rm -f "$image_51_seed"

echo

echo "Created independent images:"

echo "  $image_50"

echo "  $image_51"

echo "Checksums:"

echo "  ${image_50}.sha256"

echo "  ${image_51}.sha256"