Boilerplate for the tags

flake.nix

@@ -15,6 +15,7 @@
         overrides = final.lib.composeExtensions ( old.overrides or (_: _: {})) (f: p: rec {
           reddit-pub = f.callPackage ./reddit_pub {};
           reddit-lib = f.callPackage ./reddit_lib {};
+          reddit-tags = f.callPackage ./reddit_tags {};
         });
       } );
     };
@@ -29,12 +30,13 @@
 
         packages.reddit-pub = pkgs.haskell.lib.justStaticExecutables hp.reddit-pub;
         packages.reddit-pub-dhall = pkgs.dhallPackages.callPackage ./dhall.nix {};
+        packages.reddit-tags = pkgs.haskell.lib.justStaticExecutables hp.reddit-tags;
 
         defaultPackage = packages.reddit-pub;
 
         devShell =
           hp.shellFor {
-            packages = h: [h.reddit-pub];
+            packages = h: [h.reddit-pub h.reddit-tags];
             withHoogle = true;
             buildInputs = with pkgs; [
               dhall-lsp-server

reddit_tags/CHANGELOG.md

@@ -0,0 +1,5 @@
+# Revision history for reddit-tags
+
+## 0.1.0.0 -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.

reddit_tags/app/Main.hs

@@ -0,0 +1,8 @@
+module Main where
+
+import qualified MyLib (someFunc)
+
+main :: IO ()
+main = do
+  putStrLn "Hello, Haskell!"
+  MyLib.someFunc

reddit_tags/default.nix

@@ -0,0 +1,17 @@
+{ mkDerivation, aeson, amqp, base, lens, lens-aeson, lib, mtl
+, reddit-lib, text
+}:
+mkDerivation {
+  pname = "reddit-tags";
+  version = "0.1.0.0";
+  src = ./.;
+  isLibrary = true;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    aeson amqp base lens lens-aeson mtl reddit-lib text
+  ];
+  executableHaskellDepends = [ base ];
+  testHaskellDepends = [ base ];
+  license = "unknown";
+  hydraPlatforms = lib.platforms.none;
+}

reddit_tags/reddit-tags.cabal

@@ -0,0 +1,60 @@
+cabal-version:      3.0
+name:               reddit-tags
+version:            0.1.0.0
+synopsis:
+
+-- A longer description of the package.
+-- description:
+homepage:
+
+-- A URL where users can report bugs.
+-- bug-reports:
+license:            NONE
+author:             Mats Rauhala
+maintainer:         mats.rauhala@iki.fi
+
+-- A copyright notice.
+-- copyright:
+category:           Web
+extra-source-files: CHANGELOG.md
+
+library
+    exposed-modules:  MyLib
+
+    -- Modules included in this library but not exported.
+    -- other-modules:
+
+    -- LANGUAGE extensions used by modules in this package.
+    -- other-extensions:
+    build-depends:    base ^>=4.15.1.0
+                    , amqp
+                    , reddit-lib
+                    , mtl
+                    , text
+                    , aeson
+                    , lens
+                    , lens-aeson
+    hs-source-dirs:   src
+    default-language: Haskell2010
+
+executable reddit-tags
+    main-is:          Main.hs
+
+    -- Modules included in this executable, other than Main.
+    -- other-modules:
+
+    -- LANGUAGE extensions used by modules in this package.
+    -- other-extensions:
+    build-depends:
+        base ^>=4.15.1.0,
+        reddit-tags
+
+    hs-source-dirs:   app
+    default-language: Haskell2010
+
+test-suite reddit-tags-test
+    default-language: Haskell2010
+    type:             exitcode-stdio-1.0
+    hs-source-dirs:   test
+    main-is:          MyLibTest.hs
+    build-depends:    base ^>=4.15.1.0

reddit_tags/src/MyLib.hs

@@ -0,0 +1,4 @@
+module MyLib (someFunc) where
+
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"

reddit_tags/test/MyLibTest.hs

@@ -0,0 +1,4 @@
+module Main (main) where
+
+main :: IO ()
+main = putStrLn "Test suite not yet implemented."