doc: update Nix code snippets format

Command: `mdcr --config doc/tests/mdcr-config.toml doc/`

doc/hooks/mpi-check-hook.section.md

@@ -11,15 +11,15 @@ the neceesary environment variables to use
 Example:
 
 ```nix
-  { mpiCheckPhaseHook, mpi, ... }:
-  {
-    # ...
+{ mpiCheckPhaseHook, mpi, ... }:
+{
+  # ...
 
-    nativeCheckInputs = [
-      openssh
-      mpiCheckPhaseHook
-    ];
-  }
+  nativeCheckInputs = [
+    openssh
+    mpiCheckPhaseHook
+  ];
+}
 ```
 
 

doc/hooks/patch-rc-path-hooks.section.md

@@ -29,7 +29,11 @@ Given a package `foo` containing an init script `this-foo.fish` that depends on
 patch the init script for users to source without having the above dependencies in their `PATH`:
 
 ```nix
-{ lib, stdenv, patchRcPathFish}:
+{
+  lib,
+  stdenv,
+  patchRcPathFish,
+}:
 stdenv.mkDerivation {
 
   # ...
@@ -39,7 +43,13 @@ stdenv.mkDerivation {
   ];
 
   postFixup = ''
-    patchRcPathFish $out/bin/this-foo.fish ${lib.makeBinPath [ coreutils man which ]}
+    patchRcPathFish $out/bin/this-foo.fish ${
+      lib.makeBinPath [
+        coreutils
+        man
+        which
+      ]
+    }
   '';
 }
 ```

doc/hooks/postgresql-test-hook.section.md

@@ -4,7 +4,11 @@
 This hook starts a PostgreSQL server during the `checkPhase`. Example:
 
 ```nix
-{ stdenv, postgresql, postgresqlTestHook }:
+{
+  stdenv,
+  postgresql,
+  postgresqlTestHook,
+}:
 stdenv.mkDerivation {
 
   # ...
@@ -18,13 +22,13 @@ stdenv.mkDerivation {
 
 If you use a custom `checkPhase`, remember to add the `runHook` calls:
 ```nix
-  checkPhase ''
-    runHook preCheck
+checkPhase ''
+  runHook preCheck
 
-    # ... your tests
+  # ... your tests
 
-    runHook postCheck
-  ''
+  runHook postCheck
+''
 ```
 
 ## Variables {#sec-postgresqlTestHook-variables}

doc/hooks/redis-test-hook.section.md

@@ -7,7 +7,7 @@ This hook starts a Redis server during `checkPhase`. Example:
 {
   stdenv,
   redis,
-  redisTestHook
+  redisTestHook,
 }:
 stdenv.mkDerivation {
 
@@ -47,7 +47,11 @@ Bash-only variables:
 Example usage:
 
 ```nix
-{ stdenv, redis, redisTestHook }:
+{
+  stdenv,
+  redis,
+  redisTestHook,
+}:
 stdenv.mkDerivation {
 
   # ...
@@ -60,3 +64,4 @@ stdenv.mkDerivation {
     redisTestPort=6390;
   '';
 }
+```

doc/hooks/versionCheckHook.section.md

@@ -9,7 +9,7 @@ You use it like this:
   lib,
   stdenv,
   versionCheckHook,
-  # ...
+# ...
 }:
 
 stdenv.mkDerivation (finalAttrs: {

doc/hooks/zig.section.md

@@ -7,9 +7,10 @@ In Nixpkgs, `zig.hook` overrides the default build, check and install phases.
 ## Example code snippet {#zig-hook-example-code-snippet}
 
 ```nix
-{ lib
-, stdenv
-, zig
+{
+  lib,
+  stdenv,
+  zig,
 }:
 
 stdenv.mkDerivation {