Bitbucket: Remove folder from history

1.sh

mkdir testrepo && cd testrepo
git clone git@bitbucket.org:vielhuber/testrepo.git .

2.sh

mkdir foo && cd foo
seq -w 1 900 | xargs -n1 -I% sh -c 'dd if=/dev/urandom of=file.% bs=1024 count=1024'
cd .. && mkdir bar && cd bar
seq -w 1 900 | xargs -n1 -I% sh -c 'dd if=/dev/urandom of=file.% bs=1024 count=1024'
cd ..

3.sh

git add -A . && git commit -m "initial push with some data" && git push origin master

4.sh

git count-objects -vH

5.sh

echo /foo/ >> .gitignore
git rm -rf --cached foo/
git add -A .
git commit -m "removed /foo/ from git history"
git push origin master

6.sh

cd ..
wget http://repo1.maven.org/maven2/com/madgag/bfg/1.12.15/bfg-1.12.15.jar
mkdir testrepo-clean
git clone --mirror git@bitbucket.org:vielhuber/testrepo.git testrepo-clean
java -jar bfg-1.12.15.jar --delete-folders foo testrepo-clean
cd testrepo-clean
git reflog expire --expire=now --all && git gc --prune=now --aggressive
git push
cd ..
rm -rf testrepo-clean.bfg-report
rm bfg-1.12.15.jar

7.sh

cd testrepo-clean
git count-objects -vH