rusefi/firmware/gen_signature.sh

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#!/bin/bash
# file gen_signature.sh
# fail fast
set -e
SHORT_BOARD_NAME=${1:-$SHORT_BOARD_NAME}
SCRIPT_NAME=$(basename "$0")
cd $(dirname "$0")
SIGNATURE_FILE_NAME=${META_OUTPUT_ROOT_FOLDER}tunerstudio/generated/signature_${SHORT_BOARD_NAME}.txt
echo "Generating signature for ${SHORT_BOARD_NAME} file $SIGNATURE_FILE_NAME"
TEMP_FILE="${SIGNATURE_FILE_NAME}.temp"
# generate a unique signature
date=`TZ=Europe/London date +"%Y.%m.%d"`
echo "! Generated by gen_signature.sh" > ${TEMP_FILE}
echo "! SIGNATURE_HASH is a built-in variable generated by config_definition-all.jar" >> ${TEMP_FILE}
# read the current git branch name
branchname=`git branch --show-current`
if [ "${branchname}" = "" ]; then
# custom board, empty value while executed within submodule
branchname=${AUTOMATION_REF}
echo "! ${SCRIPT_NAME} Using env variable branch [$branchname]" | tee >> ${TEMP_FILE}
else
echo "! ${SCRIPT_NAME} Current branch is: $branchname" | tee >> ${TEMP_FILE}
fi
if [ -z "${signature_white_label}" ]; then
signature_white_label=rusEFI
fi
echo "#define TS_SIGNATURE \"${signature_white_label} $branchname.$date.${SHORT_BOARD_NAME}.@@SIGNATURE_HASH@@\"" >> ${TEMP_FILE}
# We will generate the signature in a temp file, then only use it if it has changed.
# This is to avoid updating the timestamp of the signature file, which would cause the configs to regenerate when they don't need to.
# cmp compares files to see if they are different. If they are different or if SIGNATURE_FILE_NAME doesn't exist, the mv command will run.
# We redirect errors to /dev/null to suppress the error if SIGNATURE_FILE_NAME doesn't exist
cmp ${TEMP_FILE} ${SIGNATURE_FILE_NAME} 2>/dev/null || mv -f ${TEMP_FILE} ${SIGNATURE_FILE_NAME}
rm -f ${TEMP_FILE}
exit 0