nixpkgs/pkgs/build-support/emacs/melpa.nix

86 lines
1.7 KiB
Nix

# builder for Emacs packages built for packages.el
# using MELPA package-build.el
{ lib, stdenv, fetchFromGitHub, emacs, texinfo }:
with lib;
{ pname
, version
, recipe
, meta ? {}
, ...
}@args:
let
defaultMeta = {
homepage = args.src.meta.homepage or "http://melpa.org/#/${pname}";
};
in
import ./generic.nix { inherit lib stdenv emacs texinfo; } ({
melpa = fetchFromGitHub {
owner = "melpa";
repo = "melpa";
rev = "7103313a7c31bb1ebb71419e365cd2e279ee4609";
sha256 = "0m10f83ix0mzjk0vjd4kkb1m1p4b8ha0ll2yjsgk9bqjd7fwapqb";
};
elpa2nix = ./elpa2nix.el;
melpa2nix = ./melpa2nix.el;
preUnpack = ''
mkdir -p "$NIX_BUILD_TOP/recipes"
if [ -n "$recipe" ]; then
cp "$recipe" "$NIX_BUILD_TOP/recipes/$pname"
fi
ln -s "$melpa/package-build" "$NIX_BUILD_TOP/package-build"
mkdir -p "$NIX_BUILD_TOP/packages"
'';
postUnpack = ''
mkdir -p "$NIX_BUILD_TOP/working"
ln -s "$NIX_BUILD_TOP/$sourceRoot" "$NIX_BUILD_TOP/working/$pname"
'';
buildPhase =
''
runHook preBuild
cd "$NIX_BUILD_TOP"
emacs --batch -Q \
-L "$melpa/package-build" \
-l "$melpa2nix" \
-f melpa2nix-build-package \
$pname $version
runHook postBuild
'';
installPhase = ''
runHook preInstall
archive="$NIX_BUILD_TOP/packages/$pname-$version.el"
if [ ! -f "$archive" ]; then
archive="$NIX_BUILD_TOP/packages/$pname-$version.tar"
fi
emacs --batch -Q \
-l "$elpa2nix" \
-f elpa2nix-install-package \
"$archive" "$out/share/emacs/site-lisp/elpa"
runHook postInstall
'';
meta = defaultMeta // meta;
}
// removeAttrs args [ "meta" ])