How big are all the rails patches combined into a file and compressed?

all_rails_patches

# clone
git clone https://github.com/rails/rails

# change working dir
cd rails

# grab all the branches
for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v master `; do
   git branch --track ${branch#remotes/origin/} $branch
done

# append all the patches to a file
while read -r rev; do
    git show $rev >> ../all_patches
done < <(git rev-list --all)

# back
cd ..

# compress
bzip2 all_patches 

# how big?
du -h all_patches.bz2

# 53M     all_patches.bz2