108 lines
3.1 KiB
Nix
108 lines
3.1 KiB
Nix
{
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description = "yukkop's nix utilities";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs";
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};
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outputs = { self, nixpkgs }:
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let
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lib = nixpkgs.lib;
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recursiveUpdate = lib.recursiveUpdate;
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supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
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forSpecSystemsWithPkgs = supportedSystems: pkgOverlays: f:
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builtins.foldl' (acc: system:
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let
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pkgs = import nixpkgs {
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inherit system;
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overlays = pkgOverlays;
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};
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systemOutputs = f { system = system; pkgs = pkgs; };
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in
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recursiveUpdate acc systemOutputs
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) {} supportedSystems;
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forAllSystemsWithPkgs = pkgOverlays: f: forSpecSystemsWithPkgs supportedSystems pkgOverlays f;
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envErrorMessage = varName: "Error: The ${varName} environment variable is not set.";
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parseEnv = file: let
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lines = builtins.filter (line: builtins.match "^var=.*" line != null) (builtins.readFile file);
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attributes = builtins.listToAttrs (builtins.map (line: let
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parts = builtins.split "=" line;
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key = builtins.substring 0 (builtins.stringLength parts[0] - 3) parts[0]; # Remove "var" prefix
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value = parts[1];
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in {
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name = key;
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value = value;
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}) lines);
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in attributes;
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dotEnv = builtins.getEnv "DOTENV";
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minorEnvironment =
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if dotEnv != "" then
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if builtins.pathExists dotEnv then
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parseEnv dotEnv
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else
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throw "${dotEnv} file not exist"
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else
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if builtins.pathExists ./.env then
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parseEnv ./.env
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else
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{};
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in
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forAllSystemsWithPkgs [] ({ system, pkgs }:
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{
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packages.${system} = {
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# necessary to load every time .nvimrc
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# makes some magic to shading nvim but still uses nvim that shaded
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nvim-alias = pkgs.writeShellScriptBin "nvim" ''
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# Source .env file
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if [ -f .env ]; then
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set -a
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. .env
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set +a
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fi
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# Get the directory of this script
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SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
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# Remove the script's directory from PATH to avoid recursion
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PATH=$(echo "$PATH" | tr ':' '\n' | grep -v "$SCRIPT_DIR" | paste -sd ':' -)
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# Find the system's nvim
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SYSTEM_NVIM=$(command -v nvim)
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if [ -z "$SYSTEM_NVIM" ]; then
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echo "Error: nvim not found in PATH" >&2
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exit 1
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fi
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# Execute the system's nvim with your custom arguments
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exec "$SYSTEM_NVIM" --cmd 'lua vim.o.exrc = true' "$@"
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'';
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};
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}) // {
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lib = {
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# -- For all systems --
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inherit forAllSystemsWithPkgs forSpecSystemsWithPkgs;
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# -- Env processing --
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getEnv = varName: let
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var = builtins.getEnv varName;
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in
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if var != "" then
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var
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else if minorEnvironment ? varName then
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minorEnvironment."${varName}"
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else
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throw (envErrorMessage varName);
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# -- Cargo.toml --
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getVersion = src: (builtins.fromTOML (builtins.readFile "${src}/Cargo.toml")).package.version;
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};
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};
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}
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