From d13fbf9a17735f02102d772d435475676fe48c96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Grzegorz=20Kokosi=C5=84ski?= <grzegorz@starburstdata.com>
Date: Wed, 25 Jul 2018 10:03:51 +0200
Subject: [PATCH] Check if Presto is running before erasing RPM

According to:
http://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/iniscrptact.html
when service is correctly stopped it returns 3.
---
 presto-server-rpm/pom.xml                | 1 +
 presto-server-rpm/src/main/rpm/preremove | 5 +++++
 2 files changed, 6 insertions(+)
 create mode 100644 presto-server-rpm/src/main/rpm/preremove

diff --git a/presto-server-rpm/pom.xml b/presto-server-rpm/pom.xml
index be6be69c954ff..4c7faccc07939 100644
--- a/presto-server-rpm/pom.xml
+++ b/presto-server-rpm/pom.xml
@@ -83,6 +83,7 @@
                             <architecture>x86_64</architecture>
                             <preInstallScriptFile>src/main/rpm/preinstall</preInstallScriptFile>
                             <postInstallScriptFile>src/main/rpm/postinstall</postInstallScriptFile>
+                            <preUninstallScriptFile>src/main/rpm/preremove</preUninstallScriptFile>
                             <postUninstallScriptFile>src/main/rpm/postremove</postUninstallScriptFile>
 
                             <dependencies>
diff --git a/presto-server-rpm/src/main/rpm/preremove b/presto-server-rpm/src/main/rpm/preremove
new file mode 100644
index 0000000000000..319d2af06a257
--- /dev/null
+++ b/presto-server-rpm/src/main/rpm/preremove
@@ -0,0 +1,5 @@
+/etc/init.d/presto status > /dev/null 2>&1
+if [[ $? != 3 ]]; then
+    echo "Please stop the Presto service before erasing RPM"
+    exit 1
+fi