writers.makeDataWriter: remove

This writer was deprecated in 2023 (e64f987fd6)
and is unused in nixpkgs. Time to remove it.

doc/release-notes/rl-2611.section.md

@@ -72,6 +72,8 @@
 
 - `alps` has been rewritten upstream, see [upstream repository](https://github.com/migadu/alps) for documentation.
 
+- `writers.makeDataWriter` has been removed. It has been deprecated since 2023. Use `pkgs.writeTextFile` instead.
+
 - `bosun` has been removed as it is no longer maintained upstream. the corresponding monitoring options has been removed.
 
 - `uhttpmock` providing 0.0 ABI was removed. `uhttpmock_1_0` providing 1.0 ABI was renamed to `uhttpmock` and `uhttpmock_1_0` was kept as an alias.

pkgs/build-support/writers/data.nix

@@ -12,55 +12,7 @@ let
     ;
 in
 {
-  /**
-    Creates a transformer function that writes input data to disk, transformed
-    by both the `input` and `output` arguments.
-
-    # Example
-
-    ```nix
-    writeJSON = makeDataWriter { input = builtins.toJSON; output = "cp $inputPath $out"; };
-    myConfig = writeJSON "config.json" { hello = "world"; }
-    ```
-
-    # Type
-
-    ```
-    makeDataWriter :: input -> output -> nameOrPath -> data -> (any -> string) -> string -> string -> any -> derivation
-
-    input :: T -> string: function that takes the nix data and returns a string
-    output :: string: script that takes the $inputFile and write the result into $out
-    nameOrPath :: string: if the name contains a / the files gets written to a sub-folder of $out. The derivation name is the basename of this argument.
-    data :: T: the data that will be converted.
-    ```
-  */
-  makeDataWriter = lib.warn "pkgs.writers.makeDataWriter is deprecated. Use pkgs.writeTextFile." (
-    {
-      input ? lib.id,
-      output ? "cp $inputPath $out",
-    }:
-    nameOrPath: data:
-    assert
-      (types.path.check nameOrPath)
-      || (builtins.match "([0-9A-Za-z._])[0-9A-Za-z._-]*" nameOrPath != null);
-    let
-      name = last (builtins.split "/" nameOrPath);
-    in
-    runCommand name
-      {
-        input = input data;
-        passAsFile = [ "input" ];
-      }
-      ''
-        ${output}
-
-        ${optionalString (types.path.check nameOrPath) ''
-          mv $out tmp
-          mkdir -p $out/$(dirname "${nameOrPath}")
-          mv tmp $out/${nameOrPath}
-        ''}
-      ''
-  );
+  makeDataWriter = throw "pkgs.writers.makeDataWriter has been removed. Use pkgs.writeTextFile instead.";
 
   inherit (pkgs) writeText;