Allow stateless commands to be run without config/database (#544)

* Allow stateless commands to be run without config/database

Fixes an issue where gen-completions fails trying to create a config
directory in restrained build environments/distribution.

* move non-db commands up to core subcommands

* re-add lost lines

* re-add lost lines

Co-authored-by: Conrad Ludgate <conrad.ludgate@truelayer.com>

1 files changed, 49 insertions, 1 deletions

diff --git a/src/command/mod.rs b/src/command/mod.rs
index ca7fc724..393936b0 100644
--- a/src/command/mod.rs
+++ b/src/command/mod.rs
@@ -1,4 +1,5 @@
-use clap::Subcommand;
+use clap::{CommandFactory, Subcommand};
+use clap_complete::{generate, generate_to, Shell};
 use eyre::Result;
 
 #[cfg(feature = "client")]
@@ -7,6 +8,8 @@ mod client;
 #[cfg(feature = "server")]
 mod server;
 
+mod init;
+
 #[derive(Subcommand)]
 #[clap(infer_subcommands = true)]
 pub enum AtuinCmd {
@@ -18,6 +21,24 @@ pub enum AtuinCmd {
     #[cfg(feature = "server")]
     #[clap(subcommand)]
     Server(server::Cmd),
+
+    /// Output shell setup
+    #[clap(subcommand)]
+    Init(init::Cmd),
+
+    /// Generate a UUID
+    Uuid,
+
+    /// Generate shell completions
+    GenCompletions {
+        /// Set the shell for generating completions
+        #[clap(long, short)]
+        shell: Shell,
+
+        /// Set the output directory
+        #[clap(long, short)]
+        out_dir: Option<String>,
+    },
 }
 
 impl AtuinCmd {
@@ -27,6 +48,33 @@ impl AtuinCmd {
             Self::Client(client) => client.run(),
             #[cfg(feature = "server")]
             Self::Server(server) => server.run(),
+            Self::Init(init) => {
+                init.run();
+                Ok(())
+            }
+            Self::Uuid => {
+                println!("{}", atuin_common::utils::uuid_v4());
+                Ok(())
+            }
+            Self::GenCompletions { shell, out_dir } => {
+                let mut cli = crate::Atuin::command();
+
+                match out_dir {
+                    Some(out_dir) => {
+                        generate_to(shell, &mut cli, env!("CARGO_PKG_NAME"), &out_dir)?;
+                    }
+                    None => {
+                        generate(
+                            shell,
+                            &mut cli,
+                            env!("CARGO_PKG_NAME"),
+                            &mut std::io::stdout(),
+                        );
+                    }
+                }
+
+                Ok(())
+            }
         }
     }
 }