My current dwu script

dwu

#!/bin/bash

# make sure we are in the right directory;
# save previous directory
oldpwd=$PWD
cd $LJHOME

oldbranch1=$(git symbolic-ref --short -q HEAD)

# pull changes from dreamwidth
git checkout develop
git pull --ff-only upstream develop
git checkout master
git pull --ff-only upstream master

# push them to Github forks
git push origin develop
git push origin master

git checkout $oldbranch1

# change to dw-nonfree
cd $LJHOME/ext/dw-nonfree

oldbranch2=$(git symbolic-ref --short -q HEAD)

# pull changes from dw-nonfree
git checkout develop
git pull --ff-only upstream develop
git checkout master
git pull --ff-only upstream master

# push them to Github forks
git push origin develop
git push origin master

git checkout $oldbranch2

# return to previous directory
cd $oldpwd