From 7f6e74f0126d8bd57070944c5595f9c30db8aae5 Mon Sep 17 00:00:00 2001
From: romkatv <roman.perepelitsa@gmail.com>
Date: Mon, 29 Jul 2019 10:07:42 +0200
Subject: [PATCH] Don't show ram prompt if /proc/meminfo lists not-a-number for
 MemAvailable.

I've never encountered the case where this commit makes a difference
but it's possible that #136 will get fixed.
---
 internal/p10k.zsh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/internal/p10k.zsh b/internal/p10k.zsh
index 76ad8f61..86d2c242 100755
--- a/internal/p10k.zsh
+++ b/internal/p10k.zsh
@@ -1956,8 +1956,10 @@ prompt_ram() {
       free_bytes=${${(A)=stat}[4]}
     ;;
     *)
-      local stat && stat=$(grep -F MemAvailable /proc/meminfo 2>/dev/null) || return
-      free_bytes=$(( ${${(A)=stat}[2]} * 1024 ))
+      [[ -r /proc/meminfo ]] || return
+      local stat && stat="$(</proc/meminfo)" || return
+      [[ $stat == (#b)*'MemAvailable:'[[:space:]]#(<->)* ]] || return
+      free_bytes=$(( $match[1] * 1024 ))
     ;;
   esac