From cd1f9e811eee5304a15c5612e1ea30ca2178394f Mon Sep 17 00:00:00 2001
From: Amphaal <guillaume.vara@gmail.com>
Date: Wed, 29 Jan 2020 14:29:38 +0100
Subject: [PATCH] Check SSE4.2 compatibility before installation (#361)

Fixes #358.
---
 install.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/install.sh b/install.sh
index de1f6ad..3b04f45 100755
--- a/install.sh
+++ b/install.sh
@@ -62,6 +62,13 @@ if [ "$RAM_AVAILABLE_IN_DOCKER" -lt "$MIN_RAM" ]; then
     exit -1
 fi
 
+#SSE4.2 required by Clickhouse (https://clickhouse.yandex/docs/en/operations/requirements/) 
+SUPPORTS_SSE42=$(docker run --rm busybox grep -c sse4_2 /proc/cpuinfo);
+if (($SUPPORTS_SSE42 == 0)); then
+    echo "FAIL: The CPU your machine is running on does not support the SSE 4.2 instruction set, which is required for one of the services Sentry uses (Clickhouse). See https://git.io/JvLDt for more info."
+    exit -1
+fi
+
 # Clean up old stuff and ensure nothing is working while we install/update
 # This is for older versions of on-premise:
 $dc -p onpremise down --rmi local --remove-orphans