From e0ae40b8dbaeabbbe57fcb85dd8f6975216227e9 Mon Sep 17 00:00:00 2001
From: budulinek <budulinek@users.noreply.github.com>
Date: Sun, 19 Jan 2020 03:22:57 +0100
Subject: Add user only if it does not exist. (#1059)

If user already exists, useradd ends with error and terminates the whole instalation process.
---
 ncp.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ncp.sh b/ncp.sh
index 69db9872..4e532c9e 100644
--- a/ncp.sh
+++ b/ncp.sh
@@ -123,7 +123,7 @@ EOF
   a2ensite ncp-activation
 
   ## NCP USER FOR AUTHENTICATION
-  useradd --home-dir /nonexistent "$WEBADMIN"
+  id -u "$WEBADMIN" &>/dev/null || useradd --home-dir /nonexistent "$WEBADMIN"
   echo -e "$WEBPASSWD\n$WEBPASSWD" | passwd "$WEBADMIN"
   chsh -s /usr/sbin/nologin "$WEBADMIN"
 
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