#!/usr/bin/env bash
set -euo pipefail

usage() {
    cat <<EOF
Usage: pos ssh load-keys

Load all SSH private keys into the ssh-agent.

Requires ssh-agent.service running (socket at /run/ssh-agent/socket).
EOF
    exit 0
}

case "${1:-}" in
    -h|--help) usage ;;
esac

export SSH_AUTH_SOCK="${SSH_AUTH_SOCK:-/run/ssh-agent/socket}"

for key in ~/.ssh/id_*; do
    [ -f "$key" ] || continue
    case "$key" in
        *.pub|known_hosts|authorized_keys|config) continue ;;
    esac
    ssh-keygen -y -f "$key" &>/dev/null || continue
    ssh-add "$key" 2>/dev/null
done

ssh-add -l