treewide: Mark Nix blocks in markdown as Nix

This should help us with highlighting and future formatting.

7 files changed, 26 insertions, 26 deletions

diff --git a/doc/languages-frameworks/cuelang.section.md b/doc/languages-frameworks/cuelang.section.md
index 86304208aa20..70329b15fd7d 100644
--- a/doc/languages-frameworks/cuelang.section.md
+++ b/doc/languages-frameworks/cuelang.section.md
@@ -26,7 +26,7 @@ Cuelang schemas are similar to JSON, here is a quick cheatsheet:
 Nixpkgs provides a `pkgs.writeCueValidator` helper, which will write a validation script based on the provided Cuelang schema.
 
 Here is an example:
-```
+```nix
 pkgs.writeCueValidator
   (pkgs.writeText "schema.cue" ''
     #Def1: {
@@ -42,7 +42,7 @@ pkgs.writeCueValidator
 `document` : match your input data against this fragment of structure or definition, e.g. you may use the same schema file but different documents based on the data you are validating.
 
 Another example, given the following `validator.nix` :
-```
+```nix
 { pkgs ? import <nixpkgs> {} }:
 let
   genericValidator = version:
diff --git a/doc/languages-frameworks/dotnet.section.md b/doc/languages-frameworks/dotnet.section.md
index 7466c8cdc228..6a6c899a0897 100644
--- a/doc/languages-frameworks/dotnet.section.md
+++ b/doc/languages-frameworks/dotnet.section.md
@@ -236,7 +236,7 @@ the packages inside the `out` directory.
 $ nuget-to-nix out > deps.nix
 ```
 Which `nuget-to-nix` will generate an output similar to below
-```
+```nix
 { fetchNuGet }: [
   (fetchNuGet { pname = "FosterFramework"; version = "0.1.15-alpha"; sha256 = "0pzsdfbsfx28xfqljcwy100xhbs6wyx0z1d5qxgmv3l60di9xkll"; })
   (fetchNuGet { pname = "Microsoft.AspNetCore.App.Runtime.linux-x64"; version = "8.0.1"; sha256 = "1gjz379y61ag9whi78qxx09bwkwcznkx2mzypgycibxk61g11da1"; })
diff --git a/doc/languages-frameworks/lisp.section.md b/doc/languages-frameworks/lisp.section.md
index 09193093b08f..f64942338f80 100644
--- a/doc/languages-frameworks/lisp.section.md
+++ b/doc/languages-frameworks/lisp.section.md
@@ -45,7 +45,7 @@ $ sbcl
 
 Also one can create a `pkgs.mkShell` environment in `shell.nix`/`flake.nix`:
 
-```
+```nix
 let
   sbcl' = sbcl.withPackages (ps: [ ps.alexandria ]);
 in mkShell {
@@ -55,7 +55,7 @@ in mkShell {
 
 Such a Lisp can be now used e.g. to compile your sources:
 
-```
+```nix
 buildPhase = ''
   ${sbcl'}/bin/sbcl --load my-build-file.lisp
 ''
@@ -173,7 +173,7 @@ into the package scope with `withOverrides`.
 A package defined outside Nixpkgs using `buildASDFSystem` can be woven into the
 Nixpkgs-provided scope like this:
 
-```
+```nix
 let
   alexandria = sbcl.buildASDFSystem rec {
     pname = "alexandria";
@@ -199,7 +199,7 @@ new package with different parameters.
 
 Example of overriding `alexandria`:
 
-```
+```nix
 sbcl.pkgs.alexandria.overrideLispAttrs (oldAttrs: rec {
   version = "1.4";
   src = fetchFromGitLab {
@@ -225,7 +225,7 @@ vice versa.
 
 To package slashy systems, use `overrideLispAttrs`, like so:
 
-```
+```nix
 ecl.pkgs.alexandria.overrideLispAttrs (oldAttrs: {
   systems = oldAttrs.systems ++ [ "alexandria/tests" ];
   lispLibs = oldAttrs.lispLibs ++ [ ecl.pkgs.rt ];
@@ -290,7 +290,7 @@ derivation.
 
 This example wraps CLISP:
 
-```
+```nix
 wrapLisp {
   pkg = clisp;
   faslExt = "fas";
diff --git a/doc/languages-frameworks/pkg-config.section.md b/doc/languages-frameworks/pkg-config.section.md
index 75cbdaeb6fe8..72b99b40a1f3 100644
--- a/doc/languages-frameworks/pkg-config.section.md
+++ b/doc/languages-frameworks/pkg-config.section.md
@@ -12,7 +12,7 @@ Additionally, the [`validatePkgConfig` setup hook](https://nixos.org/manual/nixp
 
 A good example of all these things is zlib:
 
-```
+```nix
 { pkg-config, testers, ... }:
 
 stdenv.mkDerivation (finalAttrs: {
diff --git a/doc/languages-frameworks/python.section.md b/doc/languages-frameworks/python.section.md
index 049b395dcc25..174686d24c6c 100644
--- a/doc/languages-frameworks/python.section.md
+++ b/doc/languages-frameworks/python.section.md
@@ -1197,7 +1197,7 @@ a good indication that the package is not in a valid state.
 Pytest is the most common test runner for python repositories. A trivial
 test run would be:
 
-```
+```nix
   nativeCheckInputs = [ pytest ];
   checkPhase = ''
     runHook preCheck
@@ -1213,7 +1213,7 @@ sandbox, and will generally need many tests to be disabled.
 
 To filter tests using pytest, one can do the following:
 
-```
+```nix
   nativeCheckInputs = [ pytest ];
   # avoid tests which need additional data or touch network
   checkPhase = ''
@@ -1248,7 +1248,7 @@ when a package may need many items disabled to run the test suite.
 
 Using the example above, the analogous `pytestCheckHook` usage would be:
 
-```
+```nix
   nativeCheckInputs = [
     pytestCheckHook
   ];
@@ -1273,7 +1273,7 @@ Using the example above, the analogous `pytestCheckHook` usage would be:
 This is especially useful when tests need to be conditionally disabled,
 for example:
 
-```
+```nix
   disabledTests = [
     # touches network
     "download"
@@ -1298,7 +1298,7 @@ all packages have test suites that can be run easily, and some have none at all.
 To help ensure the package still works, [`pythonImportsCheck`](#using-pythonimportscheck) can attempt to import
 the listed modules.
 
-```
+```nix
   pythonImportsCheck = [
     "requests"
     "urllib"
@@ -1307,7 +1307,7 @@ the listed modules.
 
 roughly translates to:
 
-```
+```nix
   postCheck = ''
     PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
     python -c "import requests; import urllib"
@@ -1342,7 +1342,7 @@ pkg3>=1.0,<=2.0
 
 we can do:
 
-```
+```nix
   nativeBuildInputs = [
     pythonRelaxDepsHook
   ];
@@ -1365,7 +1365,7 @@ pkg3
 Another option is to pass `true`, that will relax/remove all dependencies, for
 example:
 
-```
+```nix
   nativeBuildInputs = [ pythonRelaxDepsHook ];
   pythonRelaxDeps = true;
 ```
@@ -1392,7 +1392,7 @@ work with any of the [existing hooks](#setup-hooks).
 
 `unittestCheckHook` is a hook which will substitute the setuptools `test` command for a [`checkPhase`](#ssec-check-phase) which runs `python -m unittest discover`:
 
-```
+```nix
   nativeCheckInputs = [
     unittestCheckHook
   ];
@@ -1409,7 +1409,7 @@ using the popular Sphinx documentation generator.
 It is setup to automatically find common documentation source paths and
 render them using the default `html` style.
 
-```
+```nix
   outputs = [
     "out"
     "doc"
@@ -1424,7 +1424,7 @@ The hook will automatically build and install the artifact into the
 `doc` output, if it exists. It also provides an automatic diversion
 for the artifacts of the `man` builder into the `man` target.
 
-```
+```nix
   outputs = [
     "out"
     "doc"
@@ -1441,7 +1441,7 @@ for the artifacts of the `man` builder into the `man` target.
 Overwrite `sphinxRoot` when the hook is unable to find your
 documentation source root.
 
-```
+```nix
   # Configure sphinxRoot for uncommon paths
   sphinxRoot = "weird/docs/path";
 ```
@@ -1920,7 +1920,7 @@ The Python interpreters are by default not built with optimizations enabled, bec
 the builds are in that case not reproducible. To enable optimizations, override the
 interpreter of interest, e.g using
 
-```
+```nix
 let
   pkgs = import ./. {};
   mypython = pkgs.python3.override {
diff --git a/doc/languages-frameworks/rust.section.md b/doc/languages-frameworks/rust.section.md
index 274ee9ce9cc4..f978ac967d88 100644
--- a/doc/languages-frameworks/rust.section.md
+++ b/doc/languages-frameworks/rust.section.md
@@ -458,7 +458,7 @@ function does not require a hash (unless git dependencies are used)
 and fetches every dependency as a separate fixed-output derivation.
 `importCargoLock` can be used as follows:
 
-```
+```nix
 cargoDeps = rustPlatform.importCargoLock {
   lockFile = ./Cargo.lock;
 };
@@ -468,7 +468,7 @@ If the `Cargo.lock` file includes git dependencies, then their output
 hashes need to be specified since they are not available through the
 lock file. For example:
 
-```
+```nix
 cargoDeps = rustPlatform.importCargoLock {
   lockFile = ./Cargo.lock;
   outputHashes = {
diff --git a/doc/languages-frameworks/swift.section.md b/doc/languages-frameworks/swift.section.md
index 213d444f499f..67bcd6fbe741 100644
--- a/doc/languages-frameworks/swift.section.md
+++ b/doc/languages-frameworks/swift.section.md
@@ -147,7 +147,7 @@ them, we need to make them writable.
 A special function `swiftpmMakeMutable` is available to replace the symlink
 with a writable copy:
 
-```
+```nix
 configurePhase = generated.configure ++ ''
   # Replace the dependency symlink with a writable copy.
   swiftpmMakeMutable swift-crypto