New git alias, initial (empty repo with an empty initial commit).

#!/bin/sh

set -eu

die () {

    echo "$@"

    exit 1

}

usage () {

    die "Usage: $0 repo_name"

}

[ "$#" = "1" ] || usage

reponame="$1"

# shellcheck disable=SC2029

git init "$reponame"

(

cd "$reponame"

git commit --allow-empty --message "Initial empty commit."

)