Pull all branches from remote and copy into separate folder for each one

branches-to-folders.sh

#https://stackoverflow.com/a/65020975

git fetch --all --prune

# reset branch only if it has deviated from the remote
function update_branch {
        if git diff --exit-code --quiet $1; then
                echo "No changes on branch $1"
        else
                echo "Resetting branch $1"
                git reset --hard $1
        fi
}

# master branch is checked out in the root
update_branch origin/master

# check out each remote branch into a subfolder
branches=$(git for-each-ref --format='%(refname:short)' refs/remotes/origin | grep -v /HEAD | grep -v /master)
for branch in $branches; do
        if [ -d $branch ]; then
                cd $branch
                update_branch $branch
                cd $OLDPWD
        else
                echo "Checking out new branch $branch"
                git worktree add $branch $branch
        fi
done

# check for branches that have been deleted on the remote
for branch in origin/*; do
        if ! git show-ref --verify refs/remotes/$branch --quiet; then
                echo "Removing worktree $branch"
                git worktree remove $branch
        fi
done

git worktree prune