diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://1048576`

cd $(brew --repository)

git checkout -b moveit

git filter-branch --prune-empty --index-filter 'git ls-files --full-name --cached | grep -F --invert-match --file=/tmp/list --color=never | xargs git rm --quiet --cached --ignore−unmatch' --subdirectory-filter 'Library/Formula' -d /Volumes/ramdisk -f moveit

cd the-target-repro

git fetch $(brew --repository)

git merge moveit