Update repositories in batch

update.sh

#!/bin/sh

function printdash(){
	printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
}

function ini_update(){
	REPO=${PWD##*/}
	COLUMNS=$(tput cols) 
	printdash
	title="Updating $REPO repository"
	printf "%*s\n" $(((${#title}+$COLUMNS)/2)) "$title"
	echo
}

function end_update(){
	echo
	REPO=${PWD##*/}
	COLUMNS=$(tput cols) 
	title=" $REPO repository updated"
	printf "%*s\n" $(((${#title}+$COLUMNS)/2)) "$title"
	printdash
}

declare -a arr=("directory/repository" "directory/repository2")
for i in "${arr[@]}"
do
	cd ~/"$i"
	ini_update 
	git pull --prune origin
	end_update 
done
cd