Correctly find codesign binary

Fixes #4

Author: NeQuissimus

emacs-overlay.nix

@@ -1,3 +1,4 @@
+
 let
   pkgs = import ./pkgs.nix;
 
@@ -34,18 +35,24 @@ let
         }))
     ];
 
-  emacsOsx = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [ ] { };
+  emacsOsx = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [
+    ./patches/codesign.patch
+  ] { };
 
-  emacsOsxNative = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [ ] {
+  emacsOsxNative = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [
+    ./patches/codesign.patch
+  ] {
     nativeComp = true;
   };
 
   emacsOsxTile = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [
+    ./patches/codesign.patch
     ./patches/no-titlebar.patch
     ./patches/fix-window-role-yabai.patch
   ] { };
 
   emacsOsxNativeTile = mkGitEmacs "emacs-osx" ./emacs-source/emacs-master.json [
+    ./patches/codesign.patch
     ./patches/no-titlebar.patch
     ./patches/fix-window-role-yabai.patch
   ] { nativeComp = true; };

patches/codesign.patch

@@ -0,0 +1,19 @@
+--- a/src/Makefile.in
++++ b/src/Makefile.in
+@@ -698,7 +698,7 @@
+ ifeq ($(HAVE_PDUMPER),yes)
+ 	$(AM_V_at)$(MAKE_PDUMPER_FINGERPRINT) [email protected]
+ ifeq ($(DO_CODESIGN),yes)
+-	codesign -s - -f [email protected]
++	/usr/bin/codesign -s - -f [email protected]
+ endif
+ endif
+ 	$(AM_V_at)mv [email protected] $@
+@@ -901,7 +901,7 @@
+ 	@: In the pdumper case, make compile-first after the dump
+ 	cp -f temacs$(EXEEXT) bootstrap-emacs$(EXEEXT)
+ ifeq ($(DO_CODESIGN),yes)
+-	codesign -s - -f bootstrap-emacs$(EXEEXT)
++	/usr/bin/codesign -s - -f bootstrap-emacs$(EXEEXT)
+ endif
+ endif