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 tutorialdifffullfix

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git-file-size-diff.sh

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#!/bin/bash

# https://stackoverflow.com/questions/10845051/git-show-total-file-size-difference-between-two-commits

USAGE='[--cached] [<rev-list-options>...]

Show file size changes between two commits or the index and a commit.'

. "$(git --exec-path)/git-sh-setup"

args=$(git rev-parse --sq "$@")

[ -n "$args" ] || usage

cmd="diff-tree -r"

[[ $args =~ "--cached" ]] && cmd="diff-index"

eval "git $cmd $args" | {

total=0

bytes=0

while read A B C D M P

do

case $M in

M) bytes=$(( $(git cat-file -s $D) - $(git cat-file -s $C) )) ;;

A) bytes=$(git cat-file -s $D) ;;

D) bytes=-$(git cat-file -s $C) ;;

*)

echo >&2 warning: unhandled mode $M in \"$A $B $C $D $M $P\"

continue

;;

esac

bytes=$(( $bytes / 1000 ))

total=$(( $total + $bytes ))

printf '%dkb\t%s\n' $bytes "$P"

done

echo total $total kb

}