--- /dev/null
+#!/bin/sh
+
+if [ -r "${HOME}/.gnupg/gpg.conf" ]; then
+ CFG="${HOME}/.gnupg/gpg.conf"
+else
+ CFG="${HOME}/.gnupg/options"
+fi
+
+X11=no
+if [ -r "${HOME}/.gnupg/gpg-agent.conf" ]; then
+ grep -qE "^pinentry-program.*pinentry-(qt|gtk)" "${HOME}/.gnupg/gpg-agent.conf" && X11=yes
+fi
+
+if grep -q "^use-agent" ${CFG} 2>/dev/null; then
+ if [ -f "${HOME}/.gnupg/GPG_AGENT_INFO" ] && kill -0 "$(cut -d: -f2 $HOME/.gnupg/GPG_AGENT_INFO)" 2>/dev/null; then
+ export GPG_AGENT_INFO="$(cat ${HOME}/.gnupg/GPG_AGENT_INFO)"
+ else
+ if [ -n "$DISPLAY" -a "$X11" = "yes" ] || [ -z "$DISPLAY" -a "$X11" = "no" ]; then
+ eval "$(gpg-agent --daemon)"
+ echo $GPG_AGENT_INFO > ~/.gnupg/GPG_AGENT_INFO
+ fi
+ fi
+fi