From 106d4dc2138483e208cb8955d6f6f32a7915839b Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Tue, 12 May 2015 18:09:10 +0200
Subject: [PATCH] Prune the cd history only if there was no error.

---
 bash-selector.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bash-selector.sh b/bash-selector.sh
index 7cb749c..dc7373b 100755
--- a/bash-selector.sh
+++ b/bash-selector.sh
@@ -72,8 +72,8 @@ function selector-cd () {
 
     if [[ -f "${SELECTOR_CD_HISTORY}" ]]; then
         TMP=$(mktemp /tmp/selector-cd.XXXXXX)
-        tail -$((SELECTOR_CD_HISTORY_SIZE-1)) < "${SELECTOR_CD_HISTORY}" > "${TMP}"
-        cat "${TMP}" > "${SELECTOR_CD_HISTORY}"
+        tail -$((SELECTOR_CD_HISTORY_SIZE-1)) < "${SELECTOR_CD_HISTORY}" > "${TMP}" && \
+            cat "${TMP}" > "${SELECTOR_CD_HISTORY}"
         \rm -f "${TMP}"
     fi
 
-- 
2.20.1