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https://github.com/nix-community/nixvim.git
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44849233e0
This commit adds support for byte compiling lua configuration files. It's enabled by default (if byte compiling is enabled at all) and can be disabled with `performance.byteCompileLua.configs` toggle. To implement this feature `extraFiles.<name>.finalSource` internal read-only option is introduced. `source` option cannot be used because it's user configurable. In order to access the values of the `performance.byteCompileLua` options, parent config is added to specialArgs of extraFiles submodule. Then the usages of `source` option changed to `finalSource` in all relevant places (filesPlugin and wrappers). Added more helpers for various cases of byte compiling: * `byteCompileLuaFile` byte compiles lua file * `byteCompileLuaHook` is a setup hook that byte compiles all lua files * `byteCompileLuaDrv` overrides derivation by adding byteCompileLuaHook to it Added tests to validate that extraFiles specified by various methods are handled correctly. Added a separate home-manager test, that is intended to validate that extraFiles propagated to wrapper modules are correctly byte compiled.
135 lines
3.1 KiB
Nix
135 lines
3.1 KiB
Nix
{ lib, pkgs }:
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rec {
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/*
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Write a lua file to the nix store, formatted using stylua.
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# Type
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```
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writeLua :: String -> String -> Derivation
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```
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# Arguments
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- [name] The name of the derivation
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- [text] The content of the lua file
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*/
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writeLua =
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name: text:
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pkgs.runCommand name { inherit text; } ''
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echo -n "$text" > "$out"
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${lib.getExe pkgs.stylua} \
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--no-editorconfig \
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--line-endings Unix \
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--indent-type Spaces \
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--indent-width 4 \
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"$out"
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'';
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/*
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Write a byte compiled lua file to the nix store.
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# Type
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```
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writeByteCompiledLua :: String -> String -> Derivation
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```
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# Arguments
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- [name] The name of the derivation
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- [text] The content of the lua file
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*/
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writeByteCompiledLua =
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name: text:
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pkgs.runCommandLocal name { inherit text; } ''
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echo -n "$text" > "$out"
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${lib.getExe' pkgs.luajit "luajit"} -bd -- "$out" "$out"
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'';
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/*
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Get a source lua file and write a byte compiled copy of it
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to the nix store.
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# Type
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```
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byteCompileLuaFile :: String -> String -> Derivation
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```
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# Arguments
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- [name] The name of the derivation
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- [src] The path to the source lua file
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*/
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byteCompileLuaFile =
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name: src:
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pkgs.runCommandLocal name { inherit src; } ''
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${lib.getExe' pkgs.luajit "luajit"} -bd -- "$src" "$out"
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'';
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# Setup hook to byte compile all lua files in the output directory.
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# Invalid lua files are ignored.
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byteCompileLuaHook = pkgs.makeSetupHook { name = "byte-compile-lua-hook"; } (
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let
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luajit = lib.getExe' pkgs.luajit "luajit";
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in
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pkgs.writeText "byte-compile-lua-hook.sh" # bash
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''
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byteCompileLuaPostFixup() {
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# Target is a single file
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if [[ -f $out ]]; then
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if [[ $out = *.lua ]]; then
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tmp=$(mktemp)
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${luajit} -bd -- "$out" "$tmp"
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mv "$tmp" "$out"
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fi
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return
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fi
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# Target is a directory
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while IFS= read -r -d "" file; do
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tmp=$(mktemp -u "$file.XXXX")
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# Ignore invalid lua files
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if ${luajit} -bd -- "$file" "$tmp"; then
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mv "$tmp" "$file"
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else
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echo "WARNING: Ignoring byte compiling error for '$file' lua file" >&2
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fi
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done < <(find "$out" -type f,l -name "*.lua" -print0)
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}
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postFixupHooks+=(byteCompileLuaPostFixup)
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''
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);
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/*
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Returns an overridden derivation with all lua files byte compiled.
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# Type
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```
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byteCompileLuaDrv :: Derivation -> Derivation
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```
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# Arguments
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- [drv] Input derivation
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*/
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byteCompileLuaDrv =
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drv:
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drv.overrideAttrs (
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prev:
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{
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nativeBuildInputs = prev.nativeBuildInputs or [ ] ++ [ byteCompileLuaHook ];
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}
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// lib.optionalAttrs (prev ? buildCommand) {
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buildCommand = ''
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${prev.buildCommand}
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runHook postFixup
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'';
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}
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);
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}
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