gistfile1.sh

#!/usr/bin/env zsh

git-pull-all-branches() {
    if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
	echo "$pwd is not part of a git repo"
	return
    fi
    origbranch=$(git branch | fgrep '*' | sed -e 's/\* //')
    bs=($@)
    [[ -z "$bs" ]] && bs=($(git branch | sed -e 's/\* //'))
    for b ($bs) {
	git checkout $b
	git pull origin $b
    }
    git checkout $origbranch
}
alias pab='git-pull-all-branches'