nix tooling, cleanup

.gitignore

@@ -1,3 +1,5 @@
 /target
 *~
 .*~undo-tree~*
+result
+.idea

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1716097317,
+        "narHash": "sha256-1UMrLtgzielG/Sop6gl6oTSM4pDt7rF9j9VuxhDWDlY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8535fb92661f37ff9f0da3007fbc942f7d134b41",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixpkgs-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,84 @@
+{
+  description = "confwhich: easily obtain info about XDG_CONFIG useage";
+
+  inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable";
+
+  outputs =
+    { nixpkgs, ... }:
+    let
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          overrides = (builtins.fromTOML (builtins.readFile ./rust-toolchain.toml));
+          libPath =
+            with pkgs;
+            lib.makeLibraryPath [
+
+            ];
+        in
+        {
+          default = pkgs.mkShell {
+            buildInputs = with pkgs; [
+              llvmPackages.bintools
+              rustup
+            ];
+            RUSTC_VERSION = overrides.toolchain.channel;
+            # https://github.com/rust-lang/rust-bindgen#environment-variables
+            LIBCLANG_PATH = pkgs.lib.makeLibraryPath [ pkgs.llvmPackages_latest.libclang.lib ];
+            shellHook = ''
+              export PATH=$PATH:''${CARGO_HOME:-~/.cargo}/bin
+              export PATH=$PATH:''${RUSTUP_HOME:-~/.rustup}/toolchains/$RUSTC_VERSION-x86_64-unknown-linux-gnu/bin/
+            '';
+
+            # Add precompiled library to rustc search path
+            RUSTFLAGS = (
+              builtins.map (a: ''-L ${a}/lib'') [
+                # add libraries here (e.g. pkgs.libvmi)
+              ]
+            );
+            LD_LIBRARY_PATH = libPath;
+            # Add glibc, clang, glib, and other headers to bindgen search path
+            BINDGEN_EXTRA_CLANG_ARGS =
+              # Includes normal include path
+              (builtins.map (a: ''-I"${a}/include"'') [
+                # add dev libraries here (e.g. pkgs.libvmi.dev)
+                pkgs.glibc.dev
+              ])
+              # Includes with special directory paths
+              ++ [
+                ''-I"${pkgs.llvmPackages_latest.libclang.lib}/lib/clang/${pkgs.llvmPackages_latest.libclang.version}/include"''
+                ''-I"${pkgs.glib.dev}/include/glib-2.0"''
+                ''-I${pkgs.glib.out}/lib/glib-2.0/include/''
+              ];
+            packages = with pkgs; [
+              # base toolchain
+              pkg-config
+              rustup
+              nil
+            ];
+          };
+        }
+      );
+
+      packages = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          deskwhich-pkg = (pkgs.callPackage ./nix/package.nix { });
+        in
+        {
+          deskwhich = deskwhich-pkg;
+          default = deskwhich-pkg;
+        }
+      );
+    };
+}

nix/package.nix

@@ -0,0 +1,17 @@
+{ lib, rustPlatform }:
+rustPlatform.buildRustPackage {
+  pname = "deskwhich";
+  version = "unstable-2024-05-19";
+  src = lib.cleanSource ../.;
+
+  cargoHash = "sha256-l7xlDrAvPtf+747DWRLu2d/O0Thvj6gKtoMksGmj02o=";
+
+  meta = {
+    description = "tool to find the path of desktop entries";
+    homepage = "https://codeberg.org/axtlos/deskwhich";
+    license = lib.licenses.gpl3Only;
+    mainProgram = "deskwhich";
+    maintainers = with lib.maintainers; [ grimmauld ];
+    platforms = lib.platforms.linux;
+  };
+}

rust-toolchain.toml

@@ -0,0 +1,2 @@
+[toolchain]
+channel = "stable"

src/args.rs

@@ -3,29 +3,26 @@
 use clap::Parser;
 use clap_stdin::MaybeStdin;
 
-
 #[derive(Debug, Parser)]
 #[clap(name="deskwhich", version=env!("CARGO_PKG_VERSION"),about=env!("CARGO_PKG_DESCRIPTION"), author=env!("CARGO_PKG_AUTHORS"))]
 pub struct Cli {
-
     /// The desktop file to search for
     pub search: MaybeStdin<String>,
 
     /// Skip directories in XDG_DATA_DIRS that start with a dot
-    #[arg(long, default_value_t=false)]
+    #[arg(long, default_value_t = false)]
     pub skip_dot: bool,
 
     /// Skip directories in XDG_DATA_DIRS that start with the home directory
-    #[arg(long, default_value_t=false)]
+    #[arg(long, default_value_t = false)]
     pub skip_home: bool,
 
     /// Print all matches in XDG_DATA_DIRS, not just the first
-    #[arg(short, long, default_value_t=false)]
+    #[arg(short, long, default_value_t = false)]
     pub all: bool,
 
     //show_dot: bool,
-
     /// Output a tilde for HOME directory
-    #[arg(long, default_value_t=false)]
+    #[arg(long, default_value_t = false)]
     pub show_tilde: bool,
 }

src/main.rs

@@ -1,53 +1,61 @@
 // SPDX-License-Identifier: GPL-3.0-only
 mod args;
-use std::fs;
-use std::env;
-use std::process::exit;
-use clap::Parser;
 use crate::args::Cli;
+use clap::Parser;
+use std::env;
+use std::fs;
+use std::process::exit;
 
 fn main() {
     let cli = Cli::parse();
 
     let args: Vec<String> = env::args().collect();
     let xdg_data_dirs = std::env::var("XDG_DATA_DIRS").unwrap();
-    let data_dirs = xdg_data_dirs.split(":");
+    let data_dirs = xdg_data_dirs.split(':');
 
     let mut found = false;
     let home = match env::var("HOME") {
-	Ok(var) => var,
+        Ok(var) => var,
-	Err(_) => exit(1),
+        Err(_) => exit(1),
     };
     for dirs in data_dirs {
-	if (dirs.starts_with(&home) && cli.skip_home) || (dirs.starts_with(".") && cli.skip_dot) {
+        if (dirs.starts_with(&home) && cli.skip_home) || (dirs.starts_with('.') && cli.skip_dot) {
-	    continue
+            continue;
-	}
+        }
 
-	let files = match fs::read_dir(format!("{}/applications",dirs)) {
+        let files = match fs::read_dir(format!("{}/applications", dirs)) {
-	    Ok(file) => file,
+            Ok(file) => file,
-	    Err(_) => continue,
+            Err(_) => continue,
-	};
+        };
-	for file in files {
+        for file in files {
-	    let desktop_file = format!("{}", file.as_ref().unwrap().file_name().into_string().unwrap());
+            let desktop_file = file
-	    let mut name = desktop_file.split(".");
+                .as_ref()
-	    if name.find(|x| *x == cli.search.strip_suffix(".desktop").unwrap_or(&cli.search)).is_some() {
+                .unwrap()
-		let path = file.as_ref().unwrap().path();
+                .file_name()
-		let out = if cli.show_tilde {
+                .into_string()
-		    format!("{}", path.display().to_string().replace(&home, "~"))
+                .unwrap()
-		} else {
+                .to_string();
-		    path.display().to_string()
+            let mut name = desktop_file.split('.');
-		};
+            if name
-		println!("{}", out);
+                .any(|x| x == cli.search.strip_suffix(".desktop").unwrap_or(&cli.search))
-		found = true;
+            {
-		if !cli.all {
+                let path = file.as_ref().unwrap().path();
-		    return
+                let out = if cli.show_tilde {
-		}
+                    path.display().to_string().replace(&home, "~").to_string()
-	    }
+                } else {
-	}
+                    path.display().to_string()
+                };
+                println!("{out}");
+                found = true;
+                if !cli.all {
+                    return;
+                }
+            }
+        }
     }
 
     if !found {
-	eprintln!("No {} in ({})", args[1], xdg_data_dirs);
+        eprintln!("No {} in ({})", args[1], xdg_data_dirs);
-	exit(1);
+        exit(1);
     }
 }