Move thebacknd CLI definition to a library.

Cargo.toml

@@ -11,3 +11,15 @@ readme = "README.md"
 [dependencies]
 clap = { version = "4.5.4", features = ["derive"] }
 regex = "1.10.4"
+
+[[bin]]
+name = "thebacknd"
+path = "src/bin/thebacknd.rs"
+
+[[bin]]
+name = "thewithn"
+path = "src/bin/thewithn.rs"
+
+[lib]
+name = "thebacknd"
+path = "src/lib/thebacknd/lib.rs"

src/bin/thebacknd.rs

@@ -2,10 +2,12 @@
 //!
 //!  Thebacknd runs ephemeral virtual machines in the cloud in one command.
 
-use clap::{Parser, Subcommand};
+use clap::{Parser};
 use std::process::{Command as ProcessCommand, exit};
 use regex::Regex;
 
+use thebacknd::client::cli::{Cli, Commands, RunCmd};
+
 /// Thebacknd client-side binary main entry point.
 fn main() {
     let cli = Cli::parse();
@@ -15,33 +17,6 @@ fn main() {
     }
 }
 
-#[derive(Parser)]
-#[command(
-    version = "0.1.0",
-    author = "Võ Minh Thu <thu@hypered.io>",
-    about = "Ephemeral virtual machines in the cloud in one command"
-)]
-struct Cli {
-    #[command(subcommand)]
-    command: Commands,
-}
-
-#[derive(Subcommand)]
-enum Commands {
-    Run(RunCmd),
-}
-
-/// Run a toplevel or a binary in a cloud virtual machine
-#[derive(Parser)]
-struct RunCmd {
-    /// The full path to a binary or toplevel store path
-    full_path: Option<String>,
-
-    /// Enable verbose output
-    #[arg(short, long)]
-    verbose: bool,
-}
-
 fn handle_run(args: &RunCmd) {
     let RunCmd{ full_path, verbose } = args;
     if let Some(full_path) = full_path {

src/lib/thebacknd/client/cli.rs

@@ -0,0 +1,29 @@
+/// Command-line definition for thebacknd client binary.
+use clap::{Parser, Subcommand};
+
+#[derive(Parser)]
+#[command(
+    version = "0.1.0",
+    author = "Võ Minh Thu <thu@hypered.io>",
+    about = "Ephemeral virtual machines in the cloud in one command"
+)]
+pub struct Cli {
+    #[command(subcommand)]
+    pub command: Commands,
+}
+
+#[derive(Subcommand)]
+pub enum Commands {
+    Run(RunCmd),
+}
+
+/// Run a toplevel or a binary in a cloud virtual machine
+#[derive(Parser)]
+pub struct RunCmd {
+    /// The full path to a binary or toplevel store path
+    pub full_path: Option<String>,
+
+    /// Enable verbose output
+    #[arg(short, long)]
+    pub verbose: bool,
+}

src/lib/thebacknd/client/mod.rs

@@ -0,0 +1 @@
+pub mod cli;

src/lib/thebacknd/lib.rs

@@ -0,0 +1 @@
+pub mod client;