2 files changed, 19 insertions, 1 deletions
diff --git a/modules/apps/sproxy2.nix b/modules/apps/sproxy2.nix
index 8616a48..0385e79 100644
--- a/modules/apps/sproxy2.nix
+++ b/modules/apps/sproxy2.nix
@@ -38,7 +38,9 @@ let
       ]
     ) (explicit cfg));
 
-  configFile = with cfg; pkgs.writeText "sproxy.yml" ''
+  configFile = with cfg; pkgs.writeYAML "sproxy.yml" ''
+    # yamllint disable rule:empty-lines
+    # yamllint disable rule:line-length
     ---
     ${top}
 
diff --git a/modules/pkgs/writeYAML.nix b/modules/pkgs/writeYAML.nix
new file mode 100644
index 0000000..064ff39
--- /dev/null
+++ b/modules/pkgs/writeYAML.nix
@@ -0,0 +1,16 @@
+{ writeTextFile, pythonPackages }:
+
+let
+
+  yamllint = pythonPackages.yamllint;
+
+in
+
+name: text:
+  writeTextFile
+  {
+    inherit name text;
+    checkPhase = ''
+      ${yamllint}/bin/yamllint "$out"
+    '';
+  }