feat: add shell completions

src/cli.rs

@@ -1,5 +1,5 @@
 use crate::daemon::{Answer, AnswerErr, Command as OtherCommand};
-use crate::run_path;
+use crate::helper::run_path;
 use anyhow::{Context, Result};
 use clap::{Parser, Subcommand};
 use std::net::Shutdown;
@@ -56,6 +56,12 @@ pub enum Command {
     #[command(subcommand)]
     #[clap(visible_alias = "p")]
     Pomodoro(PomodoroCommand),
+
+    /// Shell completions
+    Completions {
+        #[arg(value_enum)]
+        shell: clap_complete_command::Shell,
+    }
 }
 
 #[derive(Debug, Subcommand)]

src/main.rs

@@ -7,14 +7,17 @@ mod timer;
 
 use crate::cli::{send_command, Cli, Command as CliCommand};
 use crate::daemon::{Command as DaemonCommand, Daemon};
-use crate::helper::run_path;
+use clap::CommandFactory;
 use clap::Parser;
 use cli::PomodoroCommand;
 
 fn main() -> Result<(), anyhow::Error> {
     let args = Cli::parse();
     let daemon_command = match args.command {
-        CliCommand::Daemon { no_notify, pid_file } => {
+        CliCommand::Daemon {
+            no_notify,
+            pid_file,
+        } => {
             return Daemon::new(args.socket, pid_file, no_notify)?.run();
         }
         CliCommand::Add { name, duration } => {
@@ -39,6 +42,10 @@ fn main() -> Result<(), anyhow::Error> {
             PomodoroCommand::List => DaemonCommand::PomodoroList,
             PomodoroCommand::Toggle => DaemonCommand::PomodoroToggle,
         },
+        CliCommand::Completions { shell } => {
+            shell.generate(&mut Cli::command(), &mut std::io::stdout());
+            return Ok(());
+        }
     };
     let answer = send_command(&args.socket, daemon_command)?;
     print!("{}", answer);