create_gpg_signature

#!/bin/bash

if [ 3 -eq $# ]; then
    echo "do $1 $2 $3"
    cd "$2" || exit
    f="$3.sha256"
    sha256sum "$3" > "$f"
    gpg2 --default-key "$1" --armor --detach-sign "$f"
else
    echo "usage:"
    echo "  ./create_gpg_signature [gpg_key] [directory] [filename]"
    echo "e. g.:"
    echo "  ./create_gpg_signature \"0BE07FC33348A2CD72C8480F2C9C67E6EFDF0E9F\" dist/ \$(ls -rt1 dist | tail -n 1)"
fi