Fix phpactor leaking /build/ into init.elc

Fixes doom-full build.

README.md

@@ -94,23 +94,7 @@ I am open to suggestions for how this should work:
 - If we try to use home-manager, I would expect to hit the same problems
   and/or collisions on activation, but I have not experimented with this.
 
-### `php` module without `+lsp` breaks the build
-
-Enabling the `php` module without enabling the `+lsp` flag currently breaks the
-build with:
-
-```
-     > Doom profile contains a forbidden reference to /build/
-```
-
-This is triggered by
-[emacs-php](https://github.com/emacs-php/phpactor.el/blob/8733fef84b458457c1bfd188cfb861fc3150ee1c/phpactor.el#L71-L72)
-determining the location of the user's Emacs directory at byte-compile time. I
-do not know why it does this yet (it seems undesirable).
-
-Upstream recommends migrating to LSP.
-
-### Other flag-controlled packages may be broken
+### Flag-controlled packages may be broken
 
 Doom supports listing all packages (including ones pulled in by modules that are
 not currently enabled). Unstraightened uses this to build-test them. However,

elisp-packages.nix

@@ -145,6 +145,12 @@
       done
     '';
   };
+  # Fix /build/ leaking into byte-compiled files (patch accepted upstream).
+  phpactor = esuper.phpactor.overrideAttrs (attrs: {
+    patches = (attrs.patches or [ ]) ++ [
+      ./elisp-patches/0001-Do-not-call-locate-user-emacs-file-when-compiling.patch
+    ];
+  });
   # Make it byte-compile properly.
   code-review = esuper.code-review.overrideAttrs (attrs: {
     nativeBuildInputs = (attrs.nativeBuildInputs or [ ]) ++ [ git ];

elisp-patches/0001-Do-not-call-locate-user-emacs-file-when-compiling.patch

@@ -0,0 +1,29 @@
+From 9d0a3eb98982c38bfe1e1872498538b103ad06cd Mon Sep 17 00:00:00 2001
+From: Marien Zwart <marienz@google.com>
+Date: Sun, 7 Apr 2024 17:46:36 +1000
+Subject: [PATCH] Do not call locate-user-emacs-file when compiling
+
+The default value of phpactor-install-directory is relative to the
+user's user-emacs-directory. Using eval-when-compile here hardcodes the
+wrong directory if a separate build user is used.
+---
+ phpactor.el | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/phpactor.el b/phpactor.el
+index 7e7c036..96de425 100644
+--- a/phpactor.el
++++ b/phpactor.el
+@@ -68,8 +68,7 @@
+ 
+ ;;;###autoload
+ (defcustom phpactor-install-directory
+-  (eval-when-compile
+-    (expand-file-name (locate-user-emacs-file "phpactor/")))
++  (expand-file-name (locate-user-emacs-file "phpactor/"))
+   "Directory for setup Phactor.  (default `~/.emacs.d/phpactor/')."
+   :type 'directory)
+ 
+-- 
+2.42.0
+