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authorlassulus <lass@aidsballs.de>2015-07-28 15:29:59 +0200
committerlassulus <lass@aidsballs.de>2015-07-28 15:29:59 +0200
commitb5d5b75d7d6dcc42f69418e6a454a64502fa6aee (patch)
tree3e3a83c1252e8600b580f858b55e05591212e05a /tv/lib/modules.nix
parent6167afb8b5f5e06a51745b71a47b6b0339aa0e99 (diff)
parent03e03a7cbda232d1e8581231aefe632072665194 (diff)
Merge branch 'tv' into master
Diffstat (limited to 'tv/lib/modules.nix')
-rw-r--r--tv/lib/modules.nix21
1 files changed, 21 insertions, 0 deletions
diff --git a/tv/lib/modules.nix b/tv/lib/modules.nix
new file mode 100644
index 000000000..248e638ea
--- /dev/null
+++ b/tv/lib/modules.nix
@@ -0,0 +1,21 @@
+let
+ pkgs = import <nixpkgs> {};
+ inherit (pkgs.lib) concatMap hasAttr;
+in rec {
+
+ no-touch-args = {
+ config = throw "no-touch-args: can't touch config!";
+ lib = throw "no-touch-args: can't touch lib!";
+ pkgs = throw "no-touch-args: can't touch pkgs!";
+ };
+
+ # list-imports : path -> [path]
+ # Return a module's transitive list of imports.
+ # XXX duplicates won't get eliminated from the result.
+ list-imports = path:
+ let module = import path no-touch-args;
+ imports = if hasAttr "imports" module
+ then concatMap list-imports module.imports
+ else [];
+ in [path] ++ imports;
+}