From abb9f44b87cfed5fa14be9471b536fc27939d920 Mon Sep 17 00:00:00 2001
From: Maniack Crudelis <maniackcrudelis@users.noreply.github.com>
Date: Mon, 23 Jan 2017 00:48:56 +0100
Subject: [PATCH]  Nouveaux helpers ynh_system_user_create et
 ynh_system_user_delete
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Helpers pour créer un utilisateur système et pour le supprimer.

La création d'user système permettra de créer des users dédiés aux applications. Cf YEP 3.4
---
 data/helpers.d/user | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/data/helpers.d/user b/data/helpers.d/user
index 5ee6acd68..0bb0736af 100644
--- a/data/helpers.d/user
+++ b/data/helpers.d/user
@@ -38,3 +38,34 @@ ynh_user_list() {
 ynh_system_user_exists() {
     getent passwd "$1" &>/dev/null
 }
+
+# Create a system user
+#
+# usage: ynh_system_user_create user_name [home_dir]
+# | arg: user_name - Name of the system user that will be create
+# | arg: home_dir - Path of the home dir for the user. Usually the final path of the app. If this argument is omitted, the user will be created without home
+ynh_system_user_create () {
+	if ! ynh_system_user_exists "$1"	# Check if the user exists on the system
+	then	# If the user doesn't exist
+		if [ $# -ge 2 ]; then	# If a home dir is mentioned
+			user_home_dir="-d $2"
+		else
+			user_home_dir="--no-create-home"
+		fi
+		sudo useradd $user_home_dir --system --user-group $1 --shell /usr/sbin/nologin || ynh_die "Unable to create $1 system account"
+	fi
+}
+
+# Delete a system user
+#
+# usage: ynh_system_user_delete user_name
+# | arg: user_name - Name of the system user that will be create
+ynh_system_user_delete () {
+    if ynh_system_user_exists "$1"	# Check if the user exists on the system
+    then
+		echo "Remove the user $1" >&2
+		sudo userdel $1
+	else
+		echo "The user $1 was not found" >&2
+    fi
+}