#! /bin/sh

current_url=$(git remote get-url origin)
if echo "$current_url" | grep -q '^git@'; then
  echo "Remote origin already uses SSH."
  exit 0
fi

ssh_url=$(echo "$current_url" | sed -E 's|https?://([^/]+)/(.+)|git@\1:\2|')
echo "Changing remote origin from $current_url to $ssh_url"
git remote set-url origin "$ssh_url"