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98 lines
2 KiB
Nix
98 lines
2 KiB
Nix
# builder for Emacs packages built for packages.el
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# using MELPA package-build.el
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{ lib, stdenv, fetchFromGitHub, emacs, texinfo, writeText }:
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with lib;
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{ /*
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pname: Nix package name without special symbols and without version or
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"emacs-" prefix.
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*/
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pname
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/*
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ename: Original Emacs package name, possibly containing special symbols.
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*/
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, ename ? null
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, version
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, recipe
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, meta ? {}
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, ...
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}@args:
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let
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defaultMeta = {
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homepage = args.src.meta.homepage or "https://melpa.org/#/${pname}";
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};
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in
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import ./generic.nix { inherit lib stdenv emacs texinfo writeText; } ({
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ename =
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if ename == null
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then pname
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else ename;
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packageBuild = fetchFromGitHub {
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owner = "melpa";
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repo = "package-build";
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rev = "0a22c3fbbf661822ec1791739953b937a12fa623";
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sha256 = "0dpy5p34il600sc8ic5jdgb3glya9si3lrvhxab0swks8fdydjgs";
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};
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elpa2nix = ./elpa2nix.el;
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melpa2nix = ./melpa2nix.el;
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preUnpack = ''
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mkdir -p "$NIX_BUILD_TOP/recipes"
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if [ -n "$recipe" ]; then
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cp "$recipe" "$NIX_BUILD_TOP/recipes/$ename"
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fi
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ln -s "$packageBuild" "$NIX_BUILD_TOP/package-build"
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mkdir -p "$NIX_BUILD_TOP/packages"
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'';
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postUnpack = ''
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mkdir -p "$NIX_BUILD_TOP/working"
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ln -s "$NIX_BUILD_TOP/$sourceRoot" "$NIX_BUILD_TOP/working/$ename"
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'';
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buildPhase = ''
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runHook preBuild
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cd "$NIX_BUILD_TOP"
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emacs --batch -Q \
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-L "$NIX_BUILD_TOP/package-build" \
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-l "$melpa2nix" \
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-f melpa2nix-build-package \
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$ename $version
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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archive="$NIX_BUILD_TOP/packages/$ename-$version.el"
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if [ ! -f "$archive" ]; then
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archive="$NIX_BUILD_TOP/packages/$ename-$version.tar"
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fi
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emacs --batch -Q \
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-l "$elpa2nix" \
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-f elpa2nix-install-package \
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"$archive" "$out/share/emacs/site-lisp/elpa"
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runHook postInstall
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'';
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meta = defaultMeta // meta;
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}
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// removeAttrs args [ "meta" ])
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