#!/usr/bin/env bash

set -e

DIR=$(dirname $0)

TARGET=$1
shift
OUTPUT=$1
shift
CMD="$*"

VERSION_DIR=../version/${TARGET}
mkdir -p "${VERSION_DIR}"

BUILD_VERSION=$(( $(cat "${VERSION_DIR}"/build || echo 0) + 1 ))
echo ${BUILD_VERSION} > "${VERSION_DIR}"/build

VERSION_MAJOR=0
VERSION_MINOR=1

COMMIT=$(git rev-parse HEAD)
AUTHOR=$(git show --format="%aE" "${COMMIT}" | head -n1 | awk '{print $1}')
BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)
#COMMIT_MESSAGE=$(git log --format=%B -n 1 ${COMMIT})

#version := $(subst -, ,$(shell git describe --long --dirty --tags))
#COMMIT := $(strip $(word 3, $(version)))
#COMMITS_PAST := $(strip $(word 2, $(version)))
#DIRTY := $(strip $(word 4, $(version)))
#ifneq ($(COMMITS_PAST), 0)
#	BUILD_INFO_COMMITS := "."$(COMMITS_PAST)
#endif
#ifneq ($(DIRTY),)
#	BUILD_INFO_DIRTY :="+"
#endif

#export BUILD_TAG :=$(strip $(word 1, $(version)))
#export BUILD_INFO := $(COMMIT)$(BUILD_INFO_COMMITS)$(BUILD_INFO_DIRTY)

#GIT_COMMIT=$(git describe --long --dirty --tags)
BUILD_MACHINE=$(whoami)@$(hostname)
BUILD_DATE=$(date +'%Y-%m-%d_%H:%M:%S')

echo "${TARGET}" ${VERSION_MAJOR}.${VERSION_MINOR}.${BUILD_VERSION}
${CMD} -c ${DIR}/build_version.c -o "${OUTPUT}" -DFIATLUX_FILENAME=\""${TARGET}"\"\
  -DFIATLUX_VERSION_MAJOR=0 -DFIATLUX_VERSION_MINOR=1 -DFIATLUX_BUILD_NUM=${BUILD_VERSION} \
  -DFIATLUX_GIT_COMMIT=\""${COMMIT}"\" -DFIATLUX_GIT_BRANCH=\""${BRANCH_NAME}"\" -DFIATLUX_GIT_AUTHOR=\""${AUTHOR}"\" \
  -DFIATLUX_BUILD_DATE=\""${BUILD_DATE}"\" -DFIATLUX_BUILD_MACHINE=\""${BUILD_MACHINE}"\" \
  -DFIATLUX_BUILD_CMD=\""${CMD}"\"