#!/bin/sh
#
# $FreeBSD$
#

LANG=C; export LANG
unset LC_ALL
unset LC_MESSAGES

me="$1"
if [ -z "${me}" ]; then
    me=$(id -nu)
else
    shift
fi

id="$@"
if [ -z "${id}" ]; then
    id="${me}@freebsd.org"
fi

gpg=$(which gpg)
if [ ! -x "${gpg}" ]; then
    echo "GnuPG does not seem to be installed" >/dev/stderr
    exit 1
fi

echo "Retrieving key..."
keylist=$(gpg --list-keys ${id})
echo "${keylist}" | grep '^pub'
id=$(echo "${keylist}" | awk '/^pub/ { print $2 }' | sed 's%.*/%%' | sort -u)
id=$(echo $id)
if [ "${#id}" -lt 8 ]; then
    echo "Invalid key ID." >/dev/stderr
    exit 1
elif [ "${#id}" -gt 8 ]; then
    echo "WARNING: Multiple keys; exporting all.  If this is not what you want," >/dev/stderr
    echo "WARNING: you should specify a key ID on the command line." >/dev/stderr
fi
fp=$(gpg --fingerprint ${id})
[ $? -eq 0 ] || exit 1
key=$(gpg --no-version --armor --export ${id})
[ $? -eq 0 ] || exit 1

keyfile="${me}.key"
if [ -f "${keyfile}" ]; then
    rcsid=$(grep '^<!-- \$Free.*-->$' "${keyfile}")
fi
if [ -z "${rcsid}" ]; then
    rcsid='<!-- $''FreeBSD''$ -->'
fi
echo "Generating ${keyfile}..."
(
    echo "${rcsid}"
    echo '<!--'
    echo "sh $0 ${me} ${id};"
    echo '-->'
    echo '<programlisting role="pgpfingerprint"><![CDATA['
    echo "${fp}"
    echo ']]></programlisting>'
    echo '<programlisting role="pgpkey"><![CDATA['
    echo "${key}"
    echo ']]></programlisting>'
) >"${keyfile}"

echo "Adding key to entity list..."
mv pgpkeys.ent pgpkeys.ent.orig || exit 1
(
    cat pgpkeys.ent.orig
    printf '<!ENTITY pgpkey.%.*s SYSTEM "%s">' 16 "${me}" "${keyfile}"
) | sort -u >pgpkeys.ent

echo
echo "Unless you are already listed there, you should now add the"
echo "following text to pgpkeys-developers.sgml (unless this is a"
echo "role key or you are a core member. In that case add to"
echo "pgpkeys-officers.sgml or pgpkeys-core.sgml)."
echo "Remember to keep the list sorted by last name!"
echo
echo "    <sect2 id=\"pgpkey-${me}\">"
echo "      <title>&a.${me};</title>"
echo "      &pgpkey.${me};"
echo "    </sect2>"
echo
echo "If this is a new entry, don't forget to 'cvs add ${keyfile}',"
echo "and to commit each of ${keyfile}, pgpkeys.ent and"
echo "pgpkeys-developers.sgml, pgpkeys-officers.sgml, or"
echo "pgpkeys-core.sgml."