Add ability to generate shell completions

Cargo.lock

@@ -74,6 +74,15 @@ dependencies = [
  "strsim",
 ]
 
+[[package]]
+name = "clap_complete"
+version = "4.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19c9f1dde76b736e3681f28cec9d5a61299cbaae0fce80a68e43724ad56031eb"
+dependencies = [
+ "clap",
+]
+
 [[package]]
 name = "clap_derive"
 version = "4.6.0"
@@ -155,9 +164,10 @@ checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
 [[package]]
 name = "pallet"
-version = "1.0.2"
+version = "1.0.3"
 dependencies = [
  "clap",
+ "clap_complete",
  "colored",
  "glob",
  "serde",

Cargo.toml

@@ -1,10 +1,11 @@
 [package]
 name = "pallet"
-version = "1.0.2"
+version = "1.0.3"
 edition = "2024"
 
 [dependencies]
 clap = { version = "4.6.0", features = ["derive"] }
+clap_complete = "4.6.0"
 colored = "3.1.1"
 glob = "0.3.3"
 serde = { version = "1.0.228", features = ["derive"] }

PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: Shea Frembling <sfrembling@gmail.com>
 pkgname=pallet
-pkgver=1.0.2
+pkgver=1.0.3
 pkgrel=1
 pkgdesc="A simple C project manager inspired by Cargo"
 arch=('x86_64')

src/app.rs

@@ -4,6 +4,7 @@ use std::{
     process::Command,
 };
 
+use clap::CommandFactory;
 use colored::Colorize;
 use glob::glob;
 
@@ -41,6 +42,28 @@ enum Subcommand {
     },
     /// Clean all in progress files
     Clean,
+    /// Utility functions
+    Utils {
+        #[clap(subcommand)]
+        command: UtilSubcommand,
+    },
+}
+
+#[derive(clap::Subcommand)]
+enum UtilSubcommand {
+    /// Generate shell completions
+    Completions {
+        /// The shell to generate completions for
+        shell: ShellCompletions,
+    },
+}
+
+#[derive(Clone, clap::ValueEnum)]
+enum ShellCompletions {
+    Bash,
+    Fish,
+    PowerShell,
+    Zsh,
 }
 
 impl App {
@@ -87,6 +110,38 @@ impl App {
                 }
                 _ => {}
             },
+            Subcommand::Utils { command } => match command {
+                UtilSubcommand::Completions { shell } => {
+                    let name = env!("CARGO_PKG_NAME");
+                    let mut command = App::command();
+                    match shell {
+                        ShellCompletions::Bash => clap_complete::generate(
+                            clap_complete::shells::Bash,
+                            &mut command,
+                            name,
+                            &mut std::io::stdout(),
+                        ),
+                        ShellCompletions::Fish => clap_complete::generate(
+                            clap_complete::shells::Fish,
+                            &mut command,
+                            name,
+                            &mut std::io::stdout(),
+                        ),
+                        ShellCompletions::PowerShell => clap_complete::generate(
+                            clap_complete::shells::PowerShell,
+                            &mut command,
+                            name,
+                            &mut std::io::stdout(),
+                        ),
+                        ShellCompletions::Zsh => clap_complete::generate(
+                            clap_complete::shells::Zsh,
+                            &mut command,
+                            name,
+                            &mut std::io::stdout(),
+                        ),
+                    }
+                }
+            },
         }
     }
 }