Largest Pack Files

#!/bin/bash
#set -x 
 
# 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
 
# 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, take top 10
objects=`git verify-pack -v .git/objects/pack/pack-*.idx | grep -v chain | sort -k3nr | head`
 
echo "All sizes are in kB's. The pack column is the size of the object, compressed, inside the pack file."
 
output="size,pack,SHA,location"
for y in $objects
do
    # extract the size in bytes
    size=$((`echo $y | cut -f 5 -d ' '`/1024))
    # extract the compressed size in bytes
    compressedSize=$((`echo $y | cut -f 6 -d ' '`/1024))
    # extract the SHA
    sha=`echo $y | cut -f 1 -d ' '`
    # find the objects location in the repository tree
    other=`git rev-list --all --objects | grep $sha`
    #lineBreak=`echo -e "\n"`
    output="${output}\n${size},${compressedSize},${other}"
done
 
echo -e $output | column -t -s ', '

Output

All sizes are in kB's. The pack column is the size of the object, compressed, inside the pack file.
size   pack   SHA                                       location
69446  69406  6e0f81b51a9ef6b2eaa7d42cf9a03458a92efee5  modules/storage-centos/files/LinuxTools_QLogic-Linux-SuperInstaller-20110127-1.tgz
10910  9943   8022d756f6bd7d4369bfcd70915027af5eb6aa3f  modules/hadoop_base/files/avro-tools-1.7.1.jar
10674  9738   dc2606f15853961b3d887c242aaaa57e6f7f5e50  modules/hadoop_base/files/avro-tools-1.6.3.jar
1795   1687   8fe3f4149702ca027ce582c99acfe2efb08456b6  site/shib_idp/idp/WEB-INF/lib/svnkit-1.3.0.jar
1662   1531   1ae65b08c8da38e101331b6498a2c5b14c9b4d1d  modules/hadoop_hue/files/hue-plugins-2.0.0-cdh4.0.1.jar
1594   1379   f7bf1169d4290dec7103b2974b96a4fefdd4d27e  site/shib_idp/idp/WEB-INF/lib/bcprov-jdk15-1.43.jar
1449   506    5180952f89b195dd916357810e929fcdb8356e80  modules/hadoop_bam/files/picard-1.76.jar
1253   1038   24041979509f0f23039389e7f98a0c0cf6b72115  site/shib_idp/idp/WEB-INF/lib/opensaml-2.3.1.jar
1024   400    13b28bb5901cee8b0269b92fbbb7f810203bcfd1  site/razor/files/ipxe.iso
757    726    7ba8ee8668938092e28a6bf06b24385d624d5d81  modules/hadoop_hue/files/mysql-connector-java-5.1.14-bin.jar