add git-show-big-files.sh

git-show-big-files.sh

@@ -0,0 +1,31 @@
+#!/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 -Ev "non delta|chain length|git/objects" | tr -s " " | sort -k3gr | head -n30`
+
+echo "All sizes are in kB's. The pack column is the size of the object, compressed, inside the pack file."
+
+output="size,SHA,location"
+for y in $objects
+do
+  # extract the size in KB
+  size=$((`echo $y | cut -f 3 -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${size},${other}"
+done
+
+echo -e $output | column -t -s ', '