From edfcca896a9a31ada60d73fc9d4ad6f19a5060b3 Mon Sep 17 00:00:00 2001
From: "Ramón M. Gómez" <ramongomez@us.es>
Date: Wed, 4 Dec 2019 18:54:28 +0100
Subject: #914: Avoid installation on a previously installed system.

---
 installer/opengnsys_installer.sh | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'installer/opengnsys_installer.sh')

diff --git a/installer/opengnsys_installer.sh b/installer/opengnsys_installer.sh
index 8af3fa98..b7752655 100755
--- a/installer/opengnsys_installer.sh
+++ b/installer/opengnsys_installer.sh
@@ -1620,6 +1620,12 @@ if [ "$(whoami)" != 'root' ]; then
 fi
 
 globalSetup
+# Comprobar instalación previa.
+if cat $INSTALL_TARGET/doc/VERSION.* &>/dev/null; then
+	echo "ERROR: OpenGnsys is already installed. Run \"$INSTALL_TARGET/lib/opengnsys_update.sh\" as root to update."
+	exit 2
+fi
+
 echoAndLog "OpenGnsys installation begins at $(date)"
 # Introducir datos de configuración y establecer variables globales.
 userData
-- 
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