install files to /home/l_samenv without sudo

install.py

@@ -158,22 +158,14 @@ box = BoxInfo()
 box.hostname_changed = False
 dhcp_server_cfg = []
 
-TO_SYSTEM = [TOOLS / 'to_system', TOOLS / f'{box.typ}_system']
+TO_SYSTEM = TOOLS / 'to_system', TOOLS / f'{box.typ}_system']
 
 
 def do_cmd(*command):
-    unix_cmd(*command, execute=doit)  # with sudo
+    unix_cmd(*command, execute=doit)  # sudo=True by default
     show.dirty = True
 
 
-def copyfiles(srcdir, dstdir, files):
-    unix_cmd('cp', *(str(srcdir / f) for f in files), str(dstdir))
-
-
-def deletefiles(srcdir, files):
-    unix_cmd('rm', '-f', *(str(srcdir / f) for f in files))
-
-
 def frappy(cfg=None, port=None, requirements='', **kwds):
     if not cfg:
         return None
@@ -472,14 +464,15 @@ class Show(Walker):
 
 class Do(Walker):
     def newer(self, files):
-        copyfiles(self.syspath, self.dirpath, files)
+        unix_cmd('cp', *(str(srcdir / f) for f in files), str(dstdir),
+                 sudo=not dstdir.is_relative_to('/home/l_samenv'))
 
     older = newer
 
     missing = newer
 
     def delete(self, files):
-        deletefiles(self.syspath, files)
+        unix_cmd('rm', '-f', *(str(srcdir / f) for f in files))
 
 
 def handle_config():