fill_config.py: add NET_DIR variable
Allow all config files to use a new NET_DIR variable, which always
points to the network folder with the generated configs. We can use
this to place all temporary files (sockets, pid files, ...) there.
Change-Id: Idbdf478ebb9f0b2fcd860e5eff3c414a0a459561
diff --git a/net/README b/net/README
index 352bc56..1d07775 100644
--- a/net/README
+++ b/net/README
@@ -71,7 +71,8 @@
The fill_config.py script helps to fill the templates with the config values. Simply
invoke fill_config.py with a dir argument (templates dir) and a file argument (specific
-config values).
+config values). The dir argument can be used in the templates with ${NET_DIR},
+temporary files (sockets etc.) should be placed inside this folder.
If one or both are omitted, the script tries to re-use the most recent paths,
they were stored in local files '.last_config' and '.last_templates'.