git-fork-remote

#!/usr/bin/env bash

# git-fork-remote: automatically add a remote based on a GitHub username

set -eo pipefail

user="${1}"

[[ -n "${user}" ]] || { >&2 echo "Usage: gh-fork-remote <user>"; exit 1; }

# NOTE: The base directory isn't technically guaranteed to be the remote
# repository name, but it almost always is. Assume the happy path here.
repo=$(basename "$(git rev-parse --show-toplevel)")

fork="git@github.com:${user}/${repo}.git"

>&2 echo "[+] Creating remote: ${user} -> ${fork}"

git remote add "${user}" "${fork}"
git fetch "${user}"