Git checkout all remote branches

gcoa.sh

#!/bin/bash

function gcoa() {(
  UPSTREAM=${1:=origin}
  IFS=$'\n'
  for BRANCH in $(git branch -r); do
    BRANCH=${BRANCH#  }
    [[ "$BRANCH" != $UPSTREAM* ]] && continue
    BRANCH=${BRANCH#$UPSTREAM/}
    [ "${BRANCH:0:4}" = 'HEAD' ] && continue
    git branch --track $BRANCH $UPSTREAM/$BRANCH
  done
)}