config-files can extend groups

copyparty/authsrv.py

@@ -1467,7 +1467,10 @@ class AuthSrv(object):
                     t = "group [%s] = " % (gn,)
                     t += ", ".join("user [%s]" % (x,) for x in uns)
                     self._l(ln, 5, t)
-                    grps[gn] = uns
+                    if gn in grps:
+                        grps[gn].extend(uns)
+                    else:
+                        grps[gn] = uns
                 except:
                     t = 'lines inside the [groups] section must be "groupname: user1, user2, user..."'
                     raise Exception(t + SBADCFG)

docs/copyparty.d/more-users/david.conf

@@ -0,0 +1,8 @@
+[accounts]
+  david: letmein
+
+[groups]
+  friends: david
+
+# the "friends" group was already created in ../some.conf,
+# so we are just adding david into it

docs/copyparty.d/more-users/james.conf

@@ -0,0 +1,8 @@
+[accounts]
+  james: metooplease
+
+[groups]
+  friends: james
+
+# the "friends" group was already created in ../some.conf,
+# so we are just adding james into it

docs/copyparty.d/some.conf

@@ -6,7 +6,7 @@
 # first declare the accounts just once:
 [accounts]
   usr1: passw0rd
-  usr2: letmein
+  usr2: touhou
 
 [global]
   i: 127.0.0.1  # listen on 127.0.0.1 only,
@@ -31,3 +31,21 @@
 #
 # because another.conf sets the read/write permissions before it
 # includes sibling.conf which adds the move permission
+
+# ----------------------------------------------------------------------
+
+# we can also create a group here;
+[groups]
+  friends: usr1, usr2
+
+# and a volume which the group "friends" can read/write;
+[/friends]
+  /srv/pub/friends
+  accs:
+    rw: @friends
+
+# then we include all the config-files in the folder "more-users",
+# which can define more users, and maybe even add them to the "friends" group
+# (spoiler: the users "usr1", "usr2", "david", and "james" will have access)
+
+% more-users/