1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7################################################################## 8# Specific image creation and rootfs population info. 9################################################################## 10 11IMAGE_BASENAME ?= "${PN}" 12IMAGE_VERSION_SUFFIX ?= "-${DATETIME}" 13IMAGE_VERSION_SUFFIX[vardepsexclude] += "DATETIME SOURCE_DATE_EPOCH" 14IMAGE_NAME ?= "${IMAGE_LINK_NAME}${IMAGE_VERSION_SUFFIX}" 15IMAGE_LINK_NAME ?= "${IMAGE_BASENAME}${IMAGE_MACHINE_SUFFIX}${IMAGE_NAME_SUFFIX}" 16 17# This needs to stay in sync with IMAGE_LINK_NAME, but with INITRAMFS_IMAGE instead of IMAGE_BASENAME 18# and without ${IMAGE_NAME_SUFFIX} which all initramfs images should set to empty 19INITRAMFS_IMAGE_NAME ?= "${@['${INITRAMFS_IMAGE}${IMAGE_MACHINE_SUFFIX}', ''][d.getVar('INITRAMFS_IMAGE') == '']}" 20 21# The default DEPLOY_DIR_IMAGE is ${MACHINE} directory: 22# meta/conf/bitbake.conf:DEPLOY_DIR_IMAGE ?= "${DEPLOY_DIR}/images/${MACHINE}" 23# so many people find it unnecessary to include this suffix to every image 24# stored there, but other people often fetch various images for different 25# MACHINEs to the same downloads directory and then the suffix is very helpful 26# add separate variable for projects to decide which scheme works best for them 27# without understanding the IMAGE_NAME/IMAGE_LINK_NAME structure. 28IMAGE_MACHINE_SUFFIX ??= "-${MACHINE}" 29 30# IMAGE_NAME is the base name for everything produced when building images. 31# The actual image that contains the rootfs has an additional suffix (.rootfs 32# by default) followed by additional suffices which describe the format (.ext4, 33# .ext4.xz, etc.). 34IMAGE_NAME_SUFFIX ??= ".rootfs" 35 36python () { 37 if bb.data.inherits_class('deploy', d) and d.getVar("IMAGE_VERSION_SUFFIX") == "-${DATETIME}": 38 import datetime 39 d.setVar("IMAGE_VERSION_SUFFIX", "-" + datetime.datetime.fromtimestamp(int(d.getVar("SOURCE_DATE_EPOCH")), datetime.timezone.utc).strftime('%Y%m%d%H%M%S')) 40 d.setVarFlag("IMAGE_VERSION_SUFFIX", "vardepvalue", "") 41} 42