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Bash

#!/usr/bin/env bash
# shellcheck disable=SC2230
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: circa 2006 (forked from .bashrc)
#
# https://github.com/HariSekhon/DevOps-Bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
# ============================================================================ #
# G P G A g e n t
# ============================================================================ #
# Pinentry is important, gpg-agent won't work without it.
# pinentry intercepts and stores passphrase.
gpg_agent(){
if [ $UID != 0 ]; then
if type -P gpg-agent &>/dev/null; then
# looks like gpg-agent not longer outputs the pid to stdout to capture
#GPG_ENV_FILE=~/.gpg-agent.env
#if [ -f "$GPG_ENV_FILE" ]; then
# shellcheck disable=SC1090,SC1091
#. "$GPG_ENV_FILE" > /dev/null
#GPG_AGENT_PID="${GPG_AGENT_INFO#*:}"
#GPG_AGENT_PID="${GPG_AGENT_PID%:*}"
#if ! kill -0 "$GPG_AGENT_PID" > /dev/null 2>&1; then
# echo "Stale gpg-agent found. Spawning new agent..."
# killall -9 gpg-agent
# eval "$(gpg-agent --daemon | tee "$GPG_ENV_FILE")"
#elif [ "$(ps -p "$GPG_AGENT_PID" -o comm=)" != "gpg-agent" ]; then
# echo "gpg-agent PID does not belong to gpg-agent, spawning new agent..."
# eval "$(gpg-agent --daemon | tee "$GPG_ENV_FILE")"
#fi
if type -P pgrep &>/dev/null; then
if ! pgrep -qf gpg-agent.*--daemon; then
echo "Starting gpg-agent..."
killall -9 gpg-agent
#eval "$(gpg-agent --daemon | tee "$GPG_ENV_FILE")"
gpg-agent --daemon
fi
fi
#clear
fi
fi
}
# don't really use this any more anyway so don't bother starting it
#gpg_agent