nix-buffer support improvements.
Use inherit-local, add per-package elisp hooks.
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@ -14,8 +14,8 @@ let
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substituteInPlace plugins/micromega/sos.ml --replace "; csdp" "; ${csdp}/bin/csdp"
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substituteInPlace plugins/micromega/coq_micromega.ml --replace "System.is_in_system_path \"csdp\"" "true"
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'' else "";
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in
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self =
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stdenv.mkDerivation {
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name = "coq-${version}";
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@ -62,6 +62,22 @@ stdenv.mkDerivation {
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envHooks=(''${envHooks[@]} addCoqPath)
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'';
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passthru = {
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emacsBufferSetup = pkgs: ''
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; Propagate coq paths to children
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(inherit-local-permanent coq-prog-name "${self}/bin/coqtop")
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(inherit-local-permanent coq-dependency-analyzer "${self}/bin/coqdep")
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(inherit-local-permanent coq-compiler "${self}/bin/coqc")
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; If the coq-library path was already set, re-set it based on our current coq
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(when (fboundp 'get-coq-library-directory)
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(inherit-local-permanent coq-library-directory (get-coq-library-directory))
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(coq-prog-args))
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; Pass proof-general's coq flags to flycheck command (pretty ugly, should probably be part of PG)
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(inherit-local-permanent flycheck-command-wrapper-function (lambda (cmd)
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(append (funcall (default-value 'flycheck-command-wrapper-function) cmd) (coq-coqtop-prog-args coq-load-path))))
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'';
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};
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meta = with stdenv.lib; {
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description = "Formal proof management system";
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longDescription = ''
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@ -76,4 +92,4 @@ stdenv.mkDerivation {
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maintainers = with maintainers; [ roconnor thoughtpolice vbgl ];
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platforms = platforms.unix;
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};
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}
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}; in self
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@ -46,7 +46,20 @@ stdenv.mkDerivation {
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inherit cc shell libc_bin libc_dev libc_lib binutils_bin coreutils_bin;
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gnugrep_bin = if nativeTools then "" else gnugrep;
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passthru = { inherit libc nativeTools nativeLibc nativePrefix isGNU isClang; };
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passthru = {
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inherit libc nativeTools nativeLibc nativePrefix isGNU isClang;
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emacsBufferSetup = pkgs: ''
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; We should handle propagation here too
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(mapc (lambda (arg)
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(when (file-directory-p (concat arg "/include"))
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(setenv "NIX_CFLAGS_COMPILE" (concat (getenv "NIX_CFLAGS_COMPILE") " -isystem " arg "/include")))
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(when (file-directory-p (concat arg "/lib"))
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(setenv "NIX_LDFLAGS" (concat (getenv "NIX_LDFLAGS") " -L" arg "/lib")))
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(when (file-directory-p (concat arg "/lib64"))
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(setenv "NIX_LDFLAGS" (concat (getenv "NIX_LDFLAGS") " -L" arg "/lib64")))) '(${concatStringsSep " " (map (pkg: "\"${pkg}\"") pkgs)}))
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'';
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};
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buildCommand =
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''
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@ -1,23 +1,47 @@
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# Functions to build elisp files to locally configure emcas buffers.
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# See https://github.com/shlevy/nix-buffer
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{ lib, writeText }:
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{ lib, writeText, inherit-local }:
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{
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withPackages = pkgs: let
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coqs = builtins.filter (x: (builtins.parseDrvName x.name).name == "coq") pkgs;
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coq = builtins.head coqs;
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pg-setup = if builtins.length coqs == 0 then "" else ''
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(setq-local coq-prog-name "${coq}/bin/coqtop")
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(setq-local coq-dependency-analyzer "${coq}/bin/coqdep")
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(setq-local coq-compiler "${coq}/bin/coqc")
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(setq-local coq-library-directory (get-coq-library-directory))
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(coq-prog-args)
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'';
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extras = map (x: x.emacsBufferSetup pkgs) (builtins.filter (builtins.hasAttr "emacsBufferSetup") pkgs);
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in writeText "dir-locals.el" ''
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(require 'inherit-local "${inherit-local}/share/emacs/site-lisp/elpa/inherit-local-${inherit-local.version}/inherit-local.elc")
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; Only set up nixpkgs buffer handling when we have some buffers active
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(defvar nixpkgs--buffer-count 0)
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(when (eq nixpkgs--buffer-count 0)
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; When generating a new temporary buffer (one whose name starts with a space), do inherit-local inheritance and make it a nixpkgs buffer
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(defun nixpkgs--around-generate (orig name)
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(if (eq (aref name 0) ?\s)
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(let ((buf (funcall orig name)))
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(when (inherit-local-inherit-child buf)
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(with-current-buffer buf
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(make-local-variable 'kill-buffer-hook)
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(setq nixpkgs--buffer-count (1+ nixpkgs--buffer-count))
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(add-hook 'kill-buffer-hook 'nixpkgs--decrement-buffer-count)))
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buf)
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(funcall orig name)))
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(advice-add 'generate-new-buffer :around #'nixpkgs--around-generate)
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; When we have no more nixpkgs buffers, tear down the buffer handling
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(defun nixpkgs--decrement-buffer-count ()
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(setq nixpkgs--buffer-count (1- nixpkgs--buffer-count))
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(when (eq nixpkgs--buffer-count 0)
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(advice-remove 'generate-new-buffer #'nixpkgs--around-generate)
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(fmakunbound 'nixpkgs--around-generate)
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(fmakunbound 'nixpkgs--decrement-buffer-count))))
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(setq nixpkgs--buffer-count (1+ nixpkgs--buffer-count))
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(make-local-variable 'kill-buffer-hook)
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(add-hook 'kill-buffer-hook 'nixpkgs--decrement-buffer-count)
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; Add packages to PATH and exec-path
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(make-local-variable 'process-environment)
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(put 'process-environment 'permanent-local t)
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(inherit-local 'process-environment)
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(setenv "PATH" (concat "${lib.makeSearchPath "bin" pkgs}:" (getenv "PATH")))
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(setq-local exec-path (append '(${builtins.concatStringsSep " " (map (p: "\"${p}/bin\"") pkgs)}) exec-path))
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${pg-setup}
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(inherit-local-permanent exec-path (append '(${builtins.concatStringsSep " " (map (p: "\"${p}/bin\"") pkgs)}) exec-path))
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${lib.concatStringsSep "\n" extras}
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'';
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}
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@ -287,7 +287,7 @@ in
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inherit kernel rootModules allowMissing;
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};
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nixBufferBuilders = import ../build-support/emacs/buffer.nix { inherit (pkgs) lib writeText; };
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nixBufferBuilders = import ../build-support/emacs/buffer.nix { inherit (pkgs) lib writeText; inherit (emacsPackagesNg) inherit-local; };
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pathsFromGraph = ../build-support/kernel/paths-from-graph.pl;
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