From 0b69235c37663429003691a815b78c645d42f783 Mon Sep 17 00:00:00 2001
Message-Id: <0b69235c37663429003691a815b78c645d42f783.1717627293.git.mdw@distorted.org.uk>
From: Mark Wooding <mdw@chiark.greenend.org.uk>
Date: Mon, 20 Apr 2020 13:14:23 +0100
Subject: [PATCH] bin/wakey.zsh: Don't do anything if there's no X display, or
 `notify-send'.
Organization: Straylight/Edgeware

From: Mark Wooding <mdw@distorted.org.uk>

---
 bin/wakey.zsh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/bin/wakey.zsh b/bin/wakey.zsh
index 41ccafd..94638ca 100644
--- a/bin/wakey.zsh
+++ b/bin/wakey.zsh
@@ -40,5 +40,12 @@ __wakey_precmd () {
   esac
 }
 
-preexec_functions+=(__wakey_preexec)
-precmd_functions+=(__wakey_precmd)
+case ${DISPLAY-nil} in
+  nil) ;;
+  *)
+    if whence notify-send >/dev/null 2>&1; then
+      preexec_functions+=(__wakey_preexec)
+      precmd_functions+=(__wakey_precmd)
+    fi
+    ;;
+esac
-- 
[mdw]