From bd64a0c661b8a1715d8b52defb3465e6e9888b9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Lebleu?= <jerome@maroufle.fr>
Date: Sun, 3 Jan 2016 17:20:32 +0100
Subject: [PATCH] [enh] Add a helper to check if a user exists on the system

---
 data/apps/helpers.d/user | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/data/apps/helpers.d/user b/data/apps/helpers.d/user
index fc58d0027..bfd044070 100644
--- a/data/apps/helpers.d/user
+++ b/data/apps/helpers.d/user
@@ -1,15 +1,14 @@
-# Check if a user exists
+# Check if a YunoHost user exists
 #
 # example: ynh_user_exists 'toto' || exit 1
 #
 # usage: ynh_user_exists username
 # | arg: username - the username to check
-# | ret: retcode - 0 if user exists, 1 otherwise
 ynh_user_exists() {
     sudo yunohost user list --output-as json | grep -q "\"username\": \"${1}\""
 }
 
-# Retrieve a user information
+# Retrieve a YunoHost user information
 #
 # example: mail=$(ynh_user_get_info 'toto' 'mail')
 #
@@ -18,5 +17,13 @@ ynh_user_exists() {
 # | arg: key - the key to retrieve
 # | ret: string - the key's value
 ynh_user_get_info() {
-    sudo yunohost user info "${1}" --output-as plain | ynh_get_plain_key "${2}"
+    sudo yunohost user info "$1" --output-as plain | ynh_get_plain_key "$2"
+}
+
+# Check if a user exists on the system
+#
+# usage: ynh_system_user_exists username
+# | arg: username - the username to check
+ynh_system_user_exists() {
+    getent passwd "$1" &>/dev/null
 }