+cat >$tmp/gnupg/gpg-agent.conf <<END
+log-file $tmp/gnupg/AGENT.log
+END
+#debug-all
+
+setup='
+ export DGIT_TEST_REAL_GPG_AGENT=$(type -p gpg-agent)
+ export DGIT_STUNT_AGENT=$troot/tstunt/gpg-agent
+ export GNUPGHOME
+ t-tstunt gpg
+'
+
+eval "$setup"
+