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107 lines
3.4 KiB
Nix
107 lines
3.4 KiB
Nix
# generic builder for Emacs packages
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{ lib, stdenv, emacs, texinfo, writeText, ... }:
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let
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inherit (lib) optionalAttrs;
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setupHook = writeText "setup-hook.sh" ''
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source ${./emacs-funcs.sh}
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if [[ ! -v emacsHookDone ]]; then
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emacsHookDone=1
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# If this is for a wrapper derivation, emacs and the dependencies are all
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# run-time dependencies. If this is for precompiling packages into bytecode,
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# emacs is a compile-time dependency of the package.
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addEnvHooks "$hostOffset" addEmacsVars
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addEnvHooks "$targetOffset" addEmacsVars
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fi
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'';
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libBuildHelper = import ./lib-build-helper.nix;
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in
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libBuildHelper.extendMkDerivation' stdenv.mkDerivation (finalAttrs:
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{ buildInputs ? []
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, nativeBuildInputs ? []
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, packageRequires ? []
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, propagatedBuildInputs ? []
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, propagatedUserEnvPkgs ? []
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, postInstall ? ""
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, meta ? {}
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, turnCompilationWarningToError ? false
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, ignoreCompilationError ? false
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, ...
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}@args:
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{
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name = args.name or "emacs-${finalAttrs.pname}-${finalAttrs.version}";
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unpackCmd = args.unpackCmd or ''
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case "$curSrc" in
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*.el)
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# keep original source filename without the hash
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local filename=$(basename "$curSrc")
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filename="''${filename:33}"
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cp $curSrc $filename
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chmod +w $filename
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sourceRoot="."
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;;
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*)
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_defaultUnpack "$curSrc"
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;;
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esac
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'';
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inherit packageRequires;
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buildInputs = finalAttrs.packageRequires ++ buildInputs;
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nativeBuildInputs = [ emacs texinfo ] ++ nativeBuildInputs;
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propagatedBuildInputs = finalAttrs.packageRequires ++ propagatedBuildInputs;
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propagatedUserEnvPkgs = finalAttrs.packageRequires ++ propagatedUserEnvPkgs;
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setupHook = args.setupHook or setupHook;
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inherit turnCompilationWarningToError ignoreCompilationError;
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meta = {
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broken = false;
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platforms = emacs.meta.platforms;
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} // optionalAttrs ((args.src.meta.homepage or "") != "") {
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homepage = args.src.meta.homepage;
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} // meta;
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}
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// optionalAttrs (emacs.withNativeCompilation or false) {
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addEmacsNativeLoadPath = args.addEmacsNativeLoadPath or true;
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postInstall = ''
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# Besides adding the output directory to the native load path, make sure
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# the current package's elisp files are in the load path, otherwise
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# (require 'file-b) from file-a.el in the same package will fail.
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mkdir -p $out/share/emacs/native-lisp
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source ${./emacs-funcs.sh}
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addEmacsVars "$out"
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# package-activate-all is used to activate packages. In other builder
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# helpers, package-initialize is used for this purpose because
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# package-activate-all is not available before Emacs 27.
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find $out/share/emacs -type f -name '*.el' -not -name ".dir-locals.el" -print0 \
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| xargs --verbose -0 -I {} -n 1 -P $NIX_BUILD_CORES sh -c \
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"emacs \
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--batch \
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-f package-activate-all \
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--eval '(setq native-comp-eln-load-path (cdr native-comp-eln-load-path))' \
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--eval '(let ((default-directory \"$out/share/emacs/site-lisp\")) (normal-top-level-add-subdirs-to-load-path))' \
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--eval '(setq large-file-warning-threshold nil)' \
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--eval '(setq byte-compile-error-on-warn ${if finalAttrs.turnCompilationWarningToError then "t" else "nil"})' \
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-f batch-native-compile {} \
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|| exit ${if finalAttrs.ignoreCompilationError then "0" else "\\$?"}"
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'' + postInstall;
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}
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)
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