bin/git-object-sizes @ a9f1df02501f

#!/usr/bin/env bash

# Shows you the largest objects in your repo's pack file.
# Written for osx.
#
# @see http://stubbisms.wordpress.com/2009/07/10/git-script-to-show-largest-pack-objects-and-trim-your-waist-line/
# @author Antony Stubbs
#
# Edited by sjl

# set the internal field spereator to line break, so that we can iterate easily over the verify-pack output
IFS=$'\n';

# list all objects including their size, sort by size
objects=`git verify-pack -v .git/objects/pack/pack-*.idx | grep -P '(tree|blob|commit)'`

# echo "All sizes are in bytes. The pack column is the size of the object, compressed, inside the pack file." >&2

# echo "size,pack,SHA,location"
for y in $objects
do
    # echo "$y"

    # extract the size in bytes
    size=`echo $y | f 3`

    # extract the compressed size in bytes
    compressedSize=`echo $y | f 4`

    # extract the SHA
    sha=`echo $y | f 1`

    # find the objects location in the repository tree
    loc=`git rev-list --all --objects | grep $sha | f 2`

    #lineBreak=`echo -e "\n"`
    echo "${size},${compressedSize},${sha},${loc}"
done