dotfiles/.local/bin/scripts/git-upstream

#!/bin/sh
# set given repository as upstream or add as a new remote
# ARGS:
# - user/org
# - repo
# - remote name
if test "$3"
then
  name="$3"
  git remote remove "$3" 2>/dev/null
else
  git remote get-url upstream 2>/dev/null && name="$1" || name="upstream"
fi
origin="$(git remote get-url origin)"
git remote add -f $name "$(echo $origin | cut -d':' -f1):$1/${2:-$(echo $origin | cut -d'/' -f2)}"
git remote -v