tidy.sh

#!/usr/bin/env bash
###########################################################
#Author:mengdj@outlook.com
#Created Time:2020.12.04 11:56
#Description:execute go mod tidy in current directory
#Version:0.0.5
#File:tidy.sh
###########################################################

CURRENT_DIR=$(pwd)
SEARCH_DIR=$CURRENT_DIR
SEARCH_TOTAL=0
EXECUTE_CMD="$GOROOT/bin/go mod tidy"
EXECUTE_TIMESTAMP=`date +%s`
EXECUTE_FIFO="$$.fifo"
EXECUTE_MAX_PROCESS=4

function GoTidy() {
	for file in $(ls $1); do
		local target="$1/$file"
		if [ -d $target ]; then
			cd $target
			#case
			if [ -f "go.mod" ];then
				read -u 6
				{
					`$EXECUTE_CMD`
					#revert data to pipe
					echo >&6	
				} &
				if [ $? -ne 0 ]; then
					break
				fi
				echo "process $target"
				let "SEARCH_TOTAL+=1"
			fi
		        GoTidy $target 
		fi
	done
}

#test
if [ $# -ne 0 ]; then
	if [ -d $1 ]; then
		cd $1
		SEARCH_DIR=$(pwd)
	else
		echo "$1 is not exist directory."
		exit
	fi
fi

#start
mkfifo $EXECUTE_FIFO
#alias file description
exec 6<> $EXECUTE_FIFO
rm -rf $EXECUTE_FIFO
for i in `seq $EXECUTE_MAX_PROCESS`;do
	echo >&6
done
GoTidy $SEARCH_DIR
wait
#close fifo
exec 6<&-

let "EXECUTE_TIMESTAMP=`date +%s`-EXECUTE_TIMESTAMP"
echo "processed($SEARCH_TOTAL),loss $EXECUTE_TIMESTAMP seconds."
#back directory
cd $CURRENT_DIR