#!/bin/bash

# ----------------------------------------------------------------------------------------------------
# lanch_name : download_toolchain
# lanch_id   : 
# lanch_help : download toolchain(gcc)
# lanch_argv : [-help] 帮助
# lanch_argv : [-list] 获取下载列表
# ----------------------------------------------------------------------------------------------------
SCRIPT_NAME=${BASH_SOURCE[0]##*/}
SCRIPT_PATH=$(if [ -n "${BASH_SOURCE[0]%${SCRIPT_NAME}}" ]; then cd ${BASH_SOURCE[0]%${SCRIPT_NAME}}; fi; pwd)

echo "[Git Branch Auto Download]"

# ----------------------------------------------------------------------------------------------------
# git@codechina.csdn.net:codefast/toolchain.git
# https://codechina.csdn.net/codefast/toolchain.git
git_address=codechina.csdn.net
git_group=codefast
git_project=toolchain
# --------- --------- --------- --------- --------- --------- --------- --------- --------- ---------
git_access_use_https=1
git_branch_common=script


# ----------------------------------------------------------------------------------------------------
# Automatic generation
git_repository_git="git@${git_address}:${git_group}/${git_project}.git"
git_repository_https="https://${git_address}/${git_group}/${git_project}.git"
if [ "1" == "${git_access_use_https}" ]; then
	git_repository_address=${git_repository_https}
else
	git_repository_address=${git_repository_git}
fi	



# ----------------------------------------------------------------------------------------------------
function SHELL_FUNCTION_HELP(){
	echo "${SCRIPT_NAME}"
	echo "  OPTIONS: [-h] [-help] 帮助信息"
	echo "           [-l] [-list] 显示可以的下载列表"
	echo "           [\${KEYWORD}] 下载包含KEYWORD关键字的toolchain,支持多个KEYWORD"
	echo "  USAGE:   "
	echo "           ./${SCRIPT_NAME} gcc                 ;#下载带有gcc字段的编译器"
	echo "           ./${SCRIPT_NAME} gcc 8.3             ;#下载带有gcc 8.3字段的编译器"
	echo "           ./${SCRIPT_NAME} gcc 8.3 mini patch5 ;#下载带有gcc 8.3 mini patch5字段的编译器"
	echo "           ./${SCRIPT_NAME} qnx 5.4 mini        ;#下载带有qnx 5.4 mini字段的编译器"
	echo "           ./${SCRIPT_NAME} gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu    ;#下载gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu的编译器"
	echo "           ./${SCRIPT_NAME} gcc-arm-5.4-2017.02-x86_64-aarch64-qnx7.0.0-gnu ;#下载gcc-arm-5.4-2017.02-x86_64-aarch64-qnx7.0.0-gnu的编译器"
}
function SHELL_FUNCTION_PASER(){
	unset SHELL_OPTIONS_HELP
	unset SHELL_OPTIONS_LIST
	if [ -z "$1" ]; then
		SHELL_OPTIONS_HELP=1;
		return
	fi
	for argv in $*; do
		if [ "$argv" == "-h" ] || [ "$argv" == "-help" ]; then
			SHELL_OPTIONS_HELP=1;
		fi
		if [ "$argv" == "-l" ] || [ "$argv" == "-list" ]; then
			SHELL_OPTIONS_LIST=1
		fi
	done
}
function SHELL_FUNCTION_KERNAL_WGET(){
	#echo "git_repository (git)   : ${git_repository_git}"
	echo "git_repository (https) : ${git_repository_https}"

	git init 1>log.txt 2>&1
	
	git remote add origin ${git_repository_address} 1>log.txt 2>&1
	
	git remote show origin > git_remote.log.txt

	cat git_remote.log.txt | grep "gcc" | sed -e 's/^[ ]*//g' | cut -d ' ' -f 1 > git_branch.log.txt

	if [ ${SHELL_OPTIONS_LIST} ]; then
		echo "[git branch list]"
		cat -n git_branch.log.txt
		return
	fi	
	
	for argv in $*; do
		cat git_branch.log.txt | grep "${argv} " > git_branch.log.txt.next
		if [[ ! -s git_branch.log.txt.next ]] ;	then
			cat git_branch.log.txt | grep "${argv}" > git_branch.log.txt.next			
		fi
		
		mv git_branch.log.txt.next git_branch.log.txt
	done


	git_branch=$(cat git_branch.log.txt | head -n 1)
	git_branch=`echo ${git_branch}`
	git_branch=${git_branch%% *}
	
	echo "git_branch     : ${git_branch}"
	echo "wget_cmd       : wget https://${git_address}/${git_group}/${git_project}/-/archive/${git_branch}/${git_project}-${git_branch}.tar.gz"

	rm ${git_project}-${git_branch}.tar.gz 1>log.txt 2>&1
	wget https://${git_address}/${git_group}/${git_project}/-/archive/${git_branch}/${git_project}-${git_branch}.tar.gz -q --show-progress
	tar zxf ${git_project}-${git_branch}.tar.gz

	wget https://${git_address}/${git_group}/${git_project}/-/archive/${git_branch_common}/${git_project}-${git_branch_common}.tar.gz -q --show-progress
	tar zxf ${git_project}-${git_branch_common}.tar.gz
	rm toolchain-${git_branch_common}/README.md

	rm -rf ../${git_branch}
	mkdir -p ../${git_branch}
	mv toolchain-${git_branch}/* ../${git_branch}/
	mv toolchain-${git_branch_common}/* ../${git_branch}/

	return
}
function SHELL_FUNCTION_KERNAL_GIT_CLONE(){
	#echo "git_repository (git)   : ${git_repository_git}"
	echo "git_repository (https) : ${git_repository_https}"

	git init 1>log.txt 2>&1
	
	git remote add origin ${git_repository_address} 1>log.txt 2>&1
	
	git remote show origin > git_remote.log.txt

	cat git_remote.log.txt | grep "gcc" | sed -e 's/^[ ]*//g' | cut -d ' ' -f 1 > git_branch.log.txt

	if [ ${SHELL_OPTIONS_LIST} ]; then
		echo "[git branch list]"
		cat -n git_branch.log.txt
		return
	fi	
	
	for argv in $*; do
		cat git_branch.log.txt | grep "${argv} " > git_branch.log.txt.next
		if [[ ! -s git_branch.log.txt.next ]] ;	then
			cat git_branch.log.txt | grep "${argv}" > git_branch.log.txt.next			
		fi
		
		mv git_branch.log.txt.next git_branch.log.txt
	done


	git_branch=$(cat git_branch.log.txt | head -n 1)
	git_branch=`echo ${git_branch}`
	git_branch=${git_branch%% *}
	
	echo "git_branch     : ${git_branch}"
	echo "git_cmd        : git clone ${git_repository_https} --depth 2 -b ${git_branch}"

	git clone ${git_repository_https} --quiet --depth 1 -b ${git_branch}
	mv ${git_project} toolchain-${git_branch}

	git clone ${git_repository_https} --quiet --depth 1 -b ${git_branch_common}
	mv ${git_project} toolchain-${git_branch_common}

	rm -rf ../${git_branch}
	mkdir -p ../${git_branch}
	mv toolchain-${git_branch}/* ../${git_branch}/
	mv toolchain-${git_branch_common}/* ../${git_branch}/

	return
}

SHELL_FUNCTION_PASER $*
if [ ${SHELL_OPTIONS_HELP} ]; then
	SHELL_FUNCTION_HELP
else	
	TEMP_DIR=TEMP_$(date "+%Y.%m.%d.%H.%M.%S")
	mkdir -p ${TEMP_DIR}
	cd ${TEMP_DIR}
		SHELL_FUNCTION_KERNAL_GIT_CLONE $*
		cd ..
	rm -rf ./${TEMP_DIR}
fi