1 files changed, 33 insertions, 0 deletions
diff --git a/overlays/emacs/builder.nix b/overlays/emacs/builder.nix
new file mode 100644
index 0000000..8c3349c
--- /dev/null
+++ b/overlays/emacs/builder.nix
@@ -0,0 +1,33 @@
+# https://github.com/jwiegley/nix-config/blob/4d296ad/overlays/emacs/builder.nix
+{ stdenv
+, emacs
+, name
+, src
+, buildInputs ? []
+, patches ? []
+, preBuild ? ""
+}:
+
+stdenv.mkDerivation {
+  inherit name src patches;
+  unpackCmd = ''
+    test -f "${src}" && mkdir el && cp -p ${src} el/${name}
+  '';
+  buildInputs = [ emacs ] ++ buildInputs;
+  buildPhase = ''
+    ${preBuild}
+    ARGS=$(find ${stdenv.lib.concatStrings
+                  (builtins.map (arg: arg + "/share/emacs/site-lisp ") buildInputs)} \
+                  -type -d -exec -L {} \;)
+    ${emacs}/bin/emacs -Q -nw -L . ${ARGS} --batch -f batch-byte-compile *.el
+  '';
+  installPhase = ''
+    mkdir -p ${out}/share/emacs/site-lisp
+    install *.el* ${out/share/emacs/site-lisp
+  '';
+  meta = {
+    description = "Emacs projects from the Internet that just compile `.el` files";
+    homepage = http://www.emacswiki.org;
+    platforms = stdenv.lib.platforms.all;
+  };
+}
+\ No newline at end of file