#!/bin/bash

# Usage: $0 [-r]
# -r means dont refresh keys from keyservers
#
# See https://gluestick.office.fsf.org/checklists/person/crypto-keys/ for
# upload command.

shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR

refresh-gpg-key() {

  key=$1

  error=999
  for keyserver in keyring.debian.org keyserver.ubuntu.com pool.sks-keyservers.net; do
    set +e
    cmd="gpg --keyserver $keyserver --recv-keys $key"
    # keyservers are not very reliable, so retry
    for x in {1..3}; do
      $cmd &>/dev/null
      ret=$?
      if (( ret == 0 )); then
        break; fi
      sleep 1
    done
    set -e
    error=$(( ret < error ? ret : error )) # use lowest return
  done

  return $error
}

refresh=true
if [[ $1 == -r ]]; then
  refresh=false
fi

KEYS+="A4626CBAFF376039D2D7554497BA9CE761A0963B " #johns
KEYS+="759C0A4A39A02A079712FB5061B826E87A80C8D6 " #johnh
KEYS+="22DD43AF4C1F68C7AF784F1A7F861E72F9682D6F " #andrew
KEYS+="13A0851D6307FC54FCCB81BA2C1008316F3E89B7 " #donald
KEYS+="8556112E9B88B1A8B3E3631B58A39239D50484E8 " #jeanne
KEYS+="04C45B4E3AF05E9EB140FD148B10E9C6407BD6E1 " #matt
KEYS+="318C679D94F17700CC847DE646A70073E4E50D4E " #ruben
KEYS+="0CCB3494C13CCD8F6EC73AA06DA6B7D151C7643E " #dana
KEYS+="B125F60B7B287FF6A2B7DF8F170AF0E2954295DF " #ian
KEYS+="36C9950D2F68254ED89C7C03F9C13A10581AB853 " #craigt
KEYS+="2C31130BF7D5A459AFF2A3F3C9DFFE4A33AA52D9 " #knauth
KEYS+="43372794C8ADD5CA8FCFFA6CD03759DAB600E3C0 " #michael
KEYS+="B102017CCF698F79423EF9CC069C04D206A59505 " #zoe
KEYS+="7CCC7ECD3D78EB384F6C02C8966951617A149C73 " #gregf
KEYS+="D86097B5E291BA771FA64D357014A6BE08494155 " #odile
KEYS+="A8CAA4A2EB655D07BA1F367BC338CAA4FA700A3A" # oliva


rm -f /tmp/keys.asc ./fsf-keyring.gpg

for KEY in $KEYS ; do
  if $refresh; then
    refresh-gpg-key $KEY
  fi
done

gpg2 --armor --export $KEYS > fsf-keyring.gpg

echo "Please verify in another terminal window that the keyring doesn't contain many spam signatures before signing:"
echo
echo "ls -lh fsf-keyring.gpg"
echo
echo "Press [enter] to continue."
echo
read
gpg2 --armor --sign ./fsf-keyring.gpg
mv fsf-keyring.gpg.asc fsf-keyring.gpg
rm -f fsf-keyring.gpg~