git fetch --prune --all -v && \
git branch -vv | grep ': gone]' | awk '{print $1}' | xargs -I {} git branch -D {} 2>/dev/null && \
git remote prune origin && \
for b in $(git branch -r | tr '/' ' '); do 
    if [ "$b" != "HEAD" ]; then 
        git checkout "${b#origin/}" && git pull; 
    fi; 
done