doc: use writableTmpDirAsHomeHook

doc/languages-frameworks/bower.section.md

@@ -105,9 +105,12 @@ pkgs.stdenv.mkDerivation {
     src = myWebApp;
   };
 
+  nativeBuildInputs = [
+    writableTmpDirAsHomeHook # note 3
+  ];
+
   buildPhase = ''
     cp --reflink=auto --no-preserve=mode -R $bowerComponents/bower_components . # note 2
-    export HOME=$PWD # note 3
     ${pkgs.nodePackages.gulp}/bin/gulp build # note 4
   '';
 

doc/languages-frameworks/emscripten.section.md

@@ -118,6 +118,7 @@ pkgs.buildEmscriptenPackage rec {
   ];
   nativeBuildInputs = [
     pkg-config
+    writableTmpDirAsHomeHook
     zlib
   ];
 
@@ -140,7 +141,6 @@ pkgs.buildEmscriptenPackage rec {
   '';
 
   buildPhase = ''
-    HOME=$TMPDIR
     make -f Makefile.emEnv
   '';
 

doc/languages-frameworks/javascript.section.md

@@ -646,8 +646,11 @@ It's important to use the `--offline` flag. For example if you script is `"build
 
 ```nix
 {
+  nativeBuildInputs = [
+    writableTmpDirAsHomeHook
+  ];
+
   buildPhase = ''
-    export HOME=$(mktemp -d)
     yarn --offline build
   '';
 }

doc/languages-frameworks/python.section.md

@@ -2135,8 +2135,9 @@ Occasionally packages don't make use of a common test framework, which may then
 
 #### Common issues {#common-issues}
 
-* Tests that attempt to access `$HOME` can be fixed by using the following
-  work-around before running tests (e.g. `preCheck`): `export HOME=$(mktemp -d)`
+* Tests that attempt to access `$HOME` can be fixed by using `writableTmpDirAsHomeHook` in
+  `nativeCheckInputs`, which sets up a writable temporary directory as the home directory. Alternatively,
+  you can achieve the same effect manually (e.g. in `preCheck`) with: `export HOME=$(mktemp -d)`.
 * Compiling with Cython causes tests to fail with a `ModuleNotLoadedError`.
   This can be fixed with two changes in the derivation: 1) replacing `pytest` with
   `pytestCheckHook` and 2) adding a `preCheck` containing `cd $out` to run

doc/languages-frameworks/texlive.section.md

@@ -173,6 +173,7 @@ let
       (writeShellScript "force-tex-output.sh" ''
         out="''${tex-}"
       '')
+      writableTmpDirAsHomeHook # Need a writable $HOME for latexmk
     ];
 
     dontConfigure = true;
@@ -184,7 +185,6 @@ let
       latex foiltex.ins
 
       # Generate the documentation
-      export HOME=.
       latexmk -pdf foiltex.dtx
 
       runHook postBuild