Create a git repository from a set of backup files

bkp2git.sh

#!/bin/bash

#expect an ordered list of backup files in bkpList.txt
#for an example dowload indent backup files with "wget -nc -i bkpListSrc.txt"

bkp_ext=".tar.gz"
git_folder=src

if [[ ! -e $git_folder ]]
then
    mkdir $git_folder
    git init $git_folder
    cd $git_folder
    git config diff.renames copies
    cd ..
fi

bkp_list=(`cat bkpList.txt`)
bkp_list_len=${#bkp_list[*]}
bkp_list_last_idx=$(( ${bkp_list_len} - 1 ))
echo $bkp_list_len $bkp_list_last_idx

for (( i=0; i < $bkp_list_len; ++i))
do
	#echo $i ${bkp_list[$i]}
	
	bkp_folder=${bkp_list[$i]}
	echo $bkp_folder
	tar xzf $bkp_folder$bkp_ext
	cd $bkp_folder
	ln -s ../$git_folder/.git .git
	git add -u .
	git add .
	git commit -m "backup $bkp_folder"
	cd ..

	if [[ $i != $bkp_list_last_idx ]]
	then
		#echo $i $bkp_list_last_idx
		rm -f -r $bkp_folder
	fi
done

bkpList.txt

indent-1.9.1
indent-1.10.0
indent-2.1.0
indent-2.1.1
indent-2.2.0
indent-2.2.1
indent-2.2.2
indent-2.2.3
indent-2.2.4
indent-2.2.5
indent-2.2.6
indent-2.2.7
indent-2.2.8
indent-2.2.9
indent-2.2.10
indent-2.2.11
indent-2.2.12

bkpListSrc.txt

https://ftp.rediris.es/mirror/GNU/indent/indent-1.10.0.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-1.9.1.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.1.0.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.1.1.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.0.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.1.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.10.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.11.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.12.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.2.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.3.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.4.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.5.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.6.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.7.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.8.tar.gz
https://ftp.rediris.es/mirror/GNU/indent/indent-2.2.9.tar.gz