53 lines
1.5 KiB
Nix
53 lines
1.5 KiB
Nix
# Builds a sandbox for Emacs (and optionally, Doom) with a particular version of
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# Emacs. Use this as a basis for module shell.nix's.
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#
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# Usage examples:
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#
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# To create a doom environment with the test config:
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#
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# nix-shell
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#
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# With your own DOOMDIR:
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#
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# nix-shell --argstr doomdir ~/.config/doom
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#
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# With a specific version of Emacs
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#
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# nix-shell --arg emacs pkgs.emacs # 26.3
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# nix-shell --arg emacs pkgs.emacsUnstable # 27.x
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# nix-shell --arg emacs pkgs.emacs # 28+
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{ pkgs ? (import <nixpkgs> {})
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, emacs ? pkgs.emacs
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, emacsdir ? "$(pwd)/.."
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, doomdir ? "$(pwd)"
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, doomlocaldir ? "$(pwd)/.local" }:
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pkgs.stdenv.mkDerivation {
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name = "doom-emacs";
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buildInputs = [
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emacs
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pkgs.git
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(pkgs.ripgrep.override {withPCRE2 = true;})
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];
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shellHook = ''
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export EMACSVERSION="$(emacs --no-site-file --batch --eval '(princ emacs-version)')"
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export EMACSDIR="$(readlink -f "${emacsdir}")/"
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export DOOMDIR="$(readlink -f "${doomdir}")/"
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export DOOMLOCALDIR="$(readlink -f "${doomlocaldir}").$EMACSVERSION/"
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export PATH="$EMACSDIR/bin:$PATH"
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echo "EMACSDIR=$EMACSDIR"
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echo "DOOMDIR=$DOOMDIR"
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echo "DOOMLOCALDIR=$DOOMLOCALDIR"
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# Copy your existing repos over to optimize on install times (but not the
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# builds, because that may contain stale bytecode).
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mkdir -p "$DOOMLOCALDIR/straight"
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pushd "$DOOMLOCALDIR/straight" >/dev/null
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if [[ -d "$EMACSDIR/.local/straight/repos" && ! -d ./repos ]]; then
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cp -r "$EMACSDIR/.local/straight/repos" ./repos
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fi
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popd >/dev/null
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'';
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}
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