diff --git a/gnupg/.gnupg/gpg-agent.conf b/gnupg/.gnupg/gpg-agent.conf
new file mode 100644
index 0000000..cf182b0
--- /dev/null
+++ b/gnupg/.gnupg/gpg-agent.conf
@@ -0,0 +1,3 @@
+pinentry-program ~/bin/pinentry-smart
+default-cache-ttl 600
+max-cache-ttl 7200
diff --git a/gnupg/bin/pinentry-smart b/gnupg/bin/pinentry-smart
new file mode 100755
index 0000000..7dd48f2
--- /dev/null
+++ b/gnupg/bin/pinentry-smart
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -eu
+
+PINENTRY_TUI='/usr/bin/pinentry-curses'
+PINENTRY_GUI='/usr/bin/pinentry-gnome3'
+
+if [ -n "${DISPLAY-}" -a -z "${TERM-}" ]; then
+    exec "$PINENTRY_GUI" "$@"
+else
+    exec "$PINENTRY_TUI" "$@"
+fi