added a little bit of the commands

crates/cli/src/lib.rs

@@ -0,0 +1,56 @@
+use clap::{Args, Parser, Subcommand};
+
+#[derive(Parser)]
+#[clap(
+    name = "Harbor",
+    version,
+    about = "An open source secrets management and distribution platform"
+)]
+#[command(disable_version_flag = true)]
+pub struct Cli {
+    #[arg(short = 'v', long, help = "Print version")]
+    pub version: bool,
+
+    #[command(subcommand)]
+    pub command: Option<Commands>,
+}
+
+#[derive(Subcommand)]
+pub enum Commands {
+    Inject(InjectArgs),
+    Shell {},
+    Add {},
+    Setup {},
+    List {},
+    Project {
+        #[command(subcommand)]
+        command: ProjectCommands,
+    },
+    Config {
+        #[command(subcommand)]
+        command: ConfigCommands,
+    },
+}
+
+#[derive(Args, Debug)]
+pub struct InjectArgs {
+    #[arg(short, long)]
+    pub verbose: bool,
+
+    #[arg(trailing_var_arg = true, allow_hyphen_values = true)]
+    pub after: Vec<String>,
+}
+
+#[derive(Subcommand)]
+pub enum ProjectCommands {
+    List {},
+    Create { name: String },
+    Delete { name: String },
+}
+
+#[derive(Subcommand)]
+pub enum ConfigCommands {
+    List {},
+    Create { project: String, name: String },
+    Delete { project: String, name: String },
+}

crates/cli/src/main.rs

@@ -1,3 +1,32 @@
+use std::process;
+
+use clap::Parser;
+use clap::crate_version;
+use cli::Cli;
+use colored::*;
+use git_version::git_version;
+
+const GIT_VERSION: &str = git_version!();
+
 fn main() {
-    println!("Hello, world!");
+    let cli = Cli::parse();
+
+    if cli.version {
+        let top_msg = format!("Harbor version {}", crate_version!().green()).bright_blue();
+        let bottom_msg =
+            format!("An open source secrets management and distribution platform.").blue();
+        let commit_msg = format!("Git commit {}", GIT_VERSION).dimmed();
+
+        println!("{}\n{}\n{}", top_msg, bottom_msg, commit_msg);
+        process::exit(0);
+    }
+
+    if cli.command.is_none() {
+        println!(
+            "{}\n{}",
+            "No command was entered.".red(),
+            "Exiting...".dimmed()
+        );
+        process::exit(0);
+    }
 }