test-retroactive.sh

#!/bin/sh -ex

git init retro
cd retro
cp /usr/share/dict/words words.big
git add words.big
git commit -m'Add big file without using git-fat'
sort words.big > sorted.big
git add sorted.big
git commit -m'Add sorted file without using git-fat'
cat > .gitattributes <<EOF
original-attributes -text
EOF
git add .gitattributes
echo 'truncated' > words.big
git commit -am'Truncated words.big and add .gitattributes'
git fat init
cat > .gitattributes <<EOF
*.big filter=fat -text
EOF
git add .gitattributes
git checkout .
git commit -am'Import big files into git-fat'

git log --stat

git fat find 10000 | awk '{print $1}' > fat-files
git filter-branch --index-filter "git fat index-filter $(realpath fat-files) --manage-gitattributes" --tag-name-filter cat -- --all

git log --stat
git checkout HEAD^
rm *
git checkout .
ls -al

# Set up place to push
git checkout master
cat > .gitfat <<EOF
[rsync]
remote = $(realpath ../retro-store)
EOF
git add .gitfat
git commit -m'Add .gitfat for local push'
git fat push

cd ..
git clone file:///$(realpath retro) retro-clone
cd retro-clone
git fat init
git fat pull