introduce 'to_home' and systemd user services

- frappy is now a systemd user service
- add 'frappy' and 'boxweb' bash function

utils.py

@@ -202,17 +202,22 @@ class MainIf:
 
 def unix_cmd(cmd, *args, execute=None, stdout=PIPE, sudo=True):
     command = cmd.split() + list(args)
-    sudo = ['sudo'] if sudo else []
+    if command[0] == 'systemctl' and not sudo:
+        command.insert(1, '--user')
+    if sudo:
+        command.insert(0, 'sudo')
+    # sudo = ['sudo'] if sudo else []
     if execute is not False:  # None or True
         if execute:
             print('$', *command)
-        result = Popen(sudo + command, stdout=stdout).communicate()[0]
+        # result = Popen(sudo + command, stdout=stdout).communicate()[0]
+        result = Popen(command, stdout=stdout).communicate()[0]
         return (result or b'').decode()
     else:
         print('>', *command)
 
 
-def check_service(service, set_on=None, execute=None):
+def check_service(service, set_on=None, execute=None, as_root=True):
     """check or set state of systemd service
 
     set_on is None or not given: query only
@@ -221,7 +226,7 @@ def check_service(service, set_on=None, execute=None):
 
     sim: print out command instead of executing
     """
-    result = unix_cmd(f'systemctl show -p WantedBy -p ActiveState {service}')
+    result = unix_cmd(f'systemctl show -p WantedBy -p ActiveState {service}', sudo=False)
     enabled = False
     active = False
     for line in result.split('\n'):
@@ -231,14 +236,14 @@ def check_service(service, set_on=None, execute=None):
             active = True
     if set_on:
         if not active:
-            unix_cmd(f'systemctl start {service}', execute=execute)
+            unix_cmd('systemctl', 'start', service, execute=execute, sudo=as_root)
         if not enabled:
-            unix_cmd(f'systemctl enable {service}', execute=execute)
+            unix_cmd('systemctl', 'enable', service, execute=execute, sudo=as_root)
     elif set_on is not None:
         if active:
-            unix_cmd(f'systemctl stop {service}', execute=execute)
+            unix_cmd('systemctl', 'stop', service, execute=execute, sudo=as_root)
         if enabled:
-            unix_cmd(f'systemctl disable {service}', execute=execute)
+            unix_cmd('systemctl', 'disable', service, execute=execute, sudo=as_root)
     return active, enabled