#!/bin/bash                                                                                                                                                                                                              

# I'm using gpg v. 2.2.4
# I run the script using $x bashdb
# I get this egregious bashdb response:
# 
# (/home/user/Data/bashdb.bug 
# Blacklist it for location tracking? (y or n)" 
                                                                                
# Note that the here-file which triggers the problem, is indented with **tabs**                                                                                                                                          

mkdir --mode 700 gpg-test

shopt -s lastpipe
gpgSecSwitches="--homedir gpg-test --pinentry-mode loopback --passphrase dummypwd"

# Generate two keys:
gpg $gpgSecSwitches --quick-generate-key "MyName <my@email.com>" rsa1024 cert never | \
    awk '/^ +[[:alnum:]]*$/ {print $1}' | read FingerPrintA

gpg $gpgSecSwitches --yes --quick-generate-key "MyName <my@email.com>" rsa1024 cert never | \
    awk '/^ +[[:alnum:]]*$/ {print $1}' | read FingerPrintB

# Sign one by the other:
gpg $gpgSecSwitches --yes --command-fd 0 --local-user $FingerPrintB \
    --edit-key $FingerPrintA tsign <<-EOF                                                                                                                                                                                
        y                                                                                                                                                                                                                
        2                                                                                                                                                                                                                
        2                                                                                                                                                                                                                
                                                                                                                                                                                                                         
        y                                                                                                                                                                                                                
        save                                                                                                                                                                                                             
        EOF