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Add post-image script to create release-style tarballs locally
Implement a post-image script that automatically creates OCI tarballs matching the release artifact format after local builds. This makes it easier to test and distribute locally-built images without relying on CI/CD workflows. Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
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‎board/common/post-image.sh‎

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#!/bin/sh
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# Post-image script to create OCI tarball similar to release artifacts
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# This makes local builds easier to distribute and test
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set -e
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IMAGES_DIR="${BINARIES_DIR}"
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OCI_DIR="${IMAGES_DIR}/rootfs-oci"
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CONFIG_FILE="${O}/.config"
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# Check if OCI directory exists
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if [ ! -d "${OCI_DIR}" ]; then
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echo "ERROR: ${OCI_DIR} not found!"
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exit 1
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fi
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# Extract defconfig name from output/.config
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DEFCONFIG_PATH=$(grep '^BR2_DEFCONFIG=' "${CONFIG_FILE}" | cut -d'"' -f2)
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DEFCONFIG=$(basename "${DEFCONFIG_PATH}" _defconfig)
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# Determine container name and architecture from defconfig
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# Format: <app>_<arch>_defconfig (e.g., nftables_amd64_defconfig)
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APP_NAME="${DEFCONFIG%_*}"
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ARCH="${DEFCONFIG##*_}"
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CONTAINER_NAME="curios-${APP_NAME}"
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[ "${CONTAINER_NAME}" = "curios-system" ] && CONTAINER_NAME="curios"
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# Get version tag from OCI metadata or use 'edge'
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TAG=$(grep -o '"edge"' "${OCI_DIR}/index.json" 2>/dev/null | tr -d '"' || echo "edge")
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TARBALL_NAME="${CONTAINER_NAME}-oci-${ARCH}.tar.gz"
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echo "Creating OCI tarball: ${TARBALL_NAME}"
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echo " Container: ${CONTAINER_NAME}"
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echo " Architecture: ${ARCH}"
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echo " Tag: ${TAG}"
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# Create tarball with OCI contents at root (no directory wrapper)
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cd "${OCI_DIR}"
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tar czf "${IMAGES_DIR}/${TARBALL_NAME}" .
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cd "${IMAGES_DIR}"
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echo "✓ Created ${TARBALL_NAME}"
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echo ""
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echo "To load this image:"
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echo " tar xzf ${TARBALL_NAME} && podman load < index.json"
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echo "Or:"
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echo " tar xzf ${TARBALL_NAME} && docker load < index.json"

‎configs/httpd_amd64_defconfig‎

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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CURIOS_PATH)/board/httpd/rootfs"
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/httpd/busybox_defconfig"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH)/board/httpd/busybox_defconfig"
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_TINI=y
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BR2_TARGET_ROOTFS_OCI=y

‎configs/httpd_arm64_defconfig‎

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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CURIOS_PATH)/board/httpd/rootfs"
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/httpd/busybox_defconfig"
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_TINI=y

‎configs/neofetch_amd64_defconfig‎

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# BR2_TARGET_GENERIC_GETTY is not set
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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/neofetch/busybox_defconfig"
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set

‎configs/neofetch_arm64_defconfig‎

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# BR2_TARGET_GENERIC_GETTY is not set
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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/neofetch/busybox_defconfig"
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set

‎configs/nftables_amd64_defconfig‎

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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/rootfs $(BR2_EXTERNAL_CURIOS_PATH)/board/nftables/rootfs"
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/nftables/busybox_defconfig"
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_NFTABLES=y

‎configs/nftables_arm64_defconfig‎

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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/rootfs $(BR2_EXTERNAL_CURIOS_PATH)/board/nftables/rootfs"
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_CURIOS_PATH}/board/nftables/busybox_defconfig"
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_NFTABLES=y

‎configs/ntpd_amd64_defconfig‎

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# BR2_TARGET_GENERIC_GETTY is not set
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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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# BR2_PACKAGE_BUSYBOX is not set
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_NTP=y

‎configs/ntpd_arm64_defconfig‎

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# BR2_TARGET_GENERIC_GETTY is not set
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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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# BR2_PACKAGE_BUSYBOX is not set
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# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
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BR2_PACKAGE_NTP=y

‎configs/system_amd64_defconfig‎

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# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
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BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/rootfs $(BR2_EXTERNAL_CURIOS_PATH)/board/system/rootfs $(BR2_EXTERNAL_CURIOS_PATH)/board/nftables/rootfs"
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BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-build.sh"
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BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CURIOS_PATH)/board/common/post-image.sh"
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BR2_PACKAGE_BUSYBOX_CONFIG="$(BR2_EXTERNAL_CURIOS_PATH)/board/system/busybox_defconfig"
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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BR2_PACKAGE_LIBCURL=y

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