ssh-add

#!/bin/sh

# Copyright © 2016-2020 Jakub Wilk <jwilk@jwilk.net>
# Copyright © 2024 Christopher Bock <christopher@bocki.com>
# SPDX-License-Identifier: MIT

set -e -u

orig_ssh_add=$(command -v -p ssh-add) || {
    printf 'ssh-add: command not found\n' >&2
    exit 127
}

GPGD=$HOME/.ssh/gpg.d

if [ $# -eq 1 ]; then
    if [ -z "${1%%*.gpg}" ] && [ -r "$1" ]; then
        F="$1";
    elif [ -z "${1%%*.pub}" ] && [ -r "$1" ]; then
        F="$GPGD/${1##*/}"; F="${F%.*}.gpg";
    else
        F="$GPGD/${1##*/}.ed25519.gpg";
    fi
    if ! [ -r "$F" ]; then
        echo "Could not read file $F"
        exit 66
    else
        gpg -q -d < "$F" | "$orig_ssh_add" -
        exit 0
    fi
fi

if [ $# != 0 ]
then
    exec "$orig_ssh_add" "$@"
fi

START=$(date -u +%s)
for pubkey in ~/.ssh/gpg.d/*.pub
do
    seckey="${pubkey%.pub}.gpg"
    [ -e "$seckey" ] || continue
    gpg -q -d < "$seckey" | "$orig_ssh_add" -
done
STOP=$(date -u +%s)
echo "ssh-add: $(( STOP - START ))s"

# vim:ts=4 sts=4 sw=4 et