#!/bin/bash
#
# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
#
# SPDX-License-Identifier: MIT
#

source /etc/profile.d/TOOLSENV.sh

export PATH=/opt/cmake-3.18.4-Linux-x86_64/bin/:$PATH
export PATH=/proj/coverity/cov-analysis/bin/:$PATH
export LM_LICENSE_FILE=/mnt/fileroot/jenkins/Xplorer_key.txt:$LM_LICENSE_FILE

MANIFEST_BRANCH="projects/rtos-$PROJECT_NAME"
WORK_DIR=$PWD/$PROJECT_NAME
OUTPUT_DIR=$WORK_DIR/output

REPO_PY=$WORK_DIR/.repo/repo/repo
MANIFEST="$OUTPUT_DIR/manifest.xml"
LAST_MANIFEST="$OUTPUT_DIR/last_manifest.xml"
DIFF_MANIFEST="$OUTPUT_DIR/diff_manifest.xml"
LAST_BUILD_FAILURE="$OUTPUT_DIR/.last_build_failure"

GERRIT_SERVER="scgit.amlogic.com"
GERRIT_PORT="29418"
GERRIT_QUERY_RESULT="$OUTPUT_DIR/topic_changes.txt"

JENKINS_TRIGGER="$OUTPUT_DIR/jenkins_trigger.txt"

[[ -n "$MANUAL_GERRIT_TOPIC" ]] && echo "MANUAL_GERRIT_TOPIC: $MANUAL_GERRIT_TOPIC"
[[ -n "$SUBMIT_TYPE" ]] && echo "SUBMIT_TYPE: $SUBMIT_TYPE"
echo "PROJECT_NAME: $PROJECT_NAME"
echo "WORK_DIR: $WORK_DIR"

[ "$CLEAN_WORK_DIR" = "yes" ] && rm -rf $WORK_DIR

if [ ! -d "$WORK_DIR" ]; then
	echo -e "\n======== Downloading source code ========"
	mkdir -p $WORK_DIR
	mkdir -p $OUTPUT_DIR
	cd $WORK_DIR
	repo init -u ssh://${GERRIT_SERVER}:${GERRIT_PORT}/rtos_sdk -b ${MANIFEST_BRANCH} --repo-url=git://${GERRIT_SERVER}/tools/repo.git --no-repo-verify
else
	echo -e "\n======== Syncing source code ========"
	cd $WORK_DIR
	$REPO_PY forall -c 'git reset -q --hard @{u}'
	$REPO_PY manifest -r -o $LAST_MANIFEST
fi

$REPO_PY sync -c -j8 --prune
[ "$?" -ne 0 ] && cd - && rm -rf $WORK_DIR && echo "Sync failure and remove $WORK_DIR" && exit 1
$REPO_PY start --all $PROJECT_NAME
$REPO_PY forall -c 'git reset -q --hard @{u}'
$REPO_PY manifest -r -o $MANIFEST

if [ -f $LAST_MANIFEST ] && [ -f $MANIFEST ]; then
	comm -23 <(sort $LAST_MANIFEST) <(sort $MANIFEST) > $DIFF_MANIFEST

	if [ -s $DIFF_MANIFEST ]; then
		echo -e "\n======== Recent Changes ========"

		while IFS= read -r line
		do
			keyline=`echo "$line" | grep 'name=.* path='`
			for keyword in $keyline; do
				[[ $keyword == path=* ]] && repo_path=`echo ${keyword#*path=} | sed 's/\"//g'`
				[[ $keyword == name=* ]] && repo_name=`echo ${keyword#*name=} | sed 's/\"//g'`
				[[ $keyword == revision=* ]] && repo_version=`echo ${keyword#*revision=} | sed 's/\"//g'`
			done

			if [ -d "$repo_path" ]; then
				pushd $repo_path > /dev/null
				echo -e "\nProject $repo_name"
				git log $repo_version..HEAD
				popd > /dev/null
			fi
		done < $DIFF_MANIFEST
	else
		echo -e "\n======== Nothing changed since last build ========\n"
		[[ "$SUBMIT_TYPE" == "daily" ]] && [ -z "$MANUAL_GERRIT_TOPIC" ] && echo -e "Skip building since nothing changed\n" && exit 0
	fi
fi

source scripts/gerrit_review.sh

# Cherry pick patches and fill into changed_repositories in cherry_pick.sh
if [ -n "$MANUAL_GERRIT_TOPIC" ]; then
	changed_repositories=""
	source scripts/cherry_pick.sh
	apply_patch_by_gerrit_topic
	patches_count=$?

	[ $patches_count -eq 0 ] && echo -e "\nSkip building since nothing is related to $PROJECT_NAME\n" && exit 0

	if [ $patches_count -eq 255 ]; then
		[[ "$SUBMIT_TYPE" == "patch" ]] && gerrit_review_for_gerrit_topic FAIL
		exit 1
	fi
fi

# Generate Jenkins trigger
[ "$SUBMIT_TYPE" == "release" ] && source scripts/gen_jenkins_trigger.sh

source scripts/build_all.sh $changed_repositories
RET=$?
if [[ "$SUBMIT_TYPE" == "patch" ]]; then
	if [ "$RET" -eq 0 ]; then
		gerrit_review_for_gerrit_topic SUCCESS
	else
		gerrit_review_for_gerrit_topic FAIL
	fi
fi
exit $RET