Merge branch 'stable-0.15.x' into 'stable-0.15.x'

[lib] write user_shell from profile if exist

See merge request !296

data/profile.conf.example

@@ -43,6 +43,12 @@
 # the same workgroup name if samba is used
 # smb_workgroup="Manjaro"
 
+# default system shell is bash
+# '/etc/defaults/useradd': " "
+# userShell              : "/bin/zsh"
+# empty value will not be used
+#user_shell=
+
 ################# live-session #################
 
 # unset defaults to given value

lib/util-yaml.sh

@@ -148,6 +148,9 @@ write_users_conf(){
     echo "doReusePassword: false" >> "$conf" # only used in old 'users' module
     echo "availableShells: /bin/bash, /bin/zsh" >> "$conf" # only used in new 'users' module
     echo "avatarFilePath:  ~/.face" >> "$conf" # mostly used file-name for avatar
+    if [[ -n "$user_shell" ]]; then
+        echo "userShell:       $user_shell" >> "$conf"
+    fi    
 }
 
 write_packages_conf(){