From f609bed96103fc154c19b633e04ebad24e0df51e Mon Sep 17 00:00:00 2001
From: pacien <pacien.trangirard@pacien.net>
Date: Thu, 5 Jan 2023 21:21:05 +0100
Subject: [PATCH] helpers: fix non-atomic cache write

This was causing some values to be repeated more than once when using
multiple tmux windows at the same time, for example for the RAM
percentage in ram_percentage.sh.

GitHub: fixes #62
---
 scripts/helpers.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/helpers.sh b/scripts/helpers.sh
index b669418..c5b5f37 100644
--- a/scripts/helpers.sh
+++ b/scripts/helpers.sh
@@ -130,8 +130,10 @@ put_cache_val() {
   val="${*:2}"
   tmpdir="$(get_tmp_dir)"
   [ ! -d "$tmpdir" ] && mkdir -p "$tmpdir" && chmod 0700 "$tmpdir"
-  get_time >"$tmpdir/$key"
-  echo -n "$val" >>"$tmpdir/$key"
+  (
+    get_time
+    echo -n "$val"
+  ) >"$tmpdir/$key"
   echo -n "$val"
 }