From 4223ac69439764208b0baac856e3a2ea5f40a174 Mon Sep 17 00:00:00 2001
From: Sandro <sandro.jaeckel@gmail.com>
Date: Tue, 15 Feb 2022 23:54:25 +0100
Subject: [PATCH] Restore bash 4.2 compatibility, only add hook once (#271)

---
 src/shell/atuin.bash | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/shell/atuin.bash b/src/shell/atuin.bash
index 8f2c86f..e47e3c9 100644
--- a/src/shell/atuin.bash
+++ b/src/shell/atuin.bash
@@ -26,9 +26,9 @@ __atuin_history ()
 }
 
 
-if [[ -v BLE_VERSION ]]; then
-    blehook PRECMD+=_atuin_precmd
-    blehook PREEXEC+=_atuin_preexec
+if [[ -n "${BLE_VERSION-}" ]]; then
+    blehook PRECMD-+=_atuin_precmd
+    blehook PREEXEC-+=_atuin_preexec
 else
     precmd_functions+=(_atuin_precmd)
     preexec_functions+=(_atuin_preexec)