Add status cli command

gdn-cli/src/commands.rs

@@ -3,16 +3,19 @@ use clap::Parser;
 use crate::Environment;
 
 mod migrate;
+mod status;
 
 #[derive(Debug, Parser)]
 pub enum Command {
     Migrate(migrate::Command),
+    Status(status::Command),
 }
 
 impl Command {
     pub fn run(self, env: &Environment) -> anyhow::Result<()> {
         match self {
             Self::Migrate(command) => command.run(env),
+            Self::Status(command) => command.run(env),
         }
     }
 }

gdn-cli/src/commands/status.rs

@@ -0,0 +1,22 @@
+use clap::Parser;
+
+use crate::Environment;
+
+/// Display current status.
+#[derive(Debug, Parser)]
+pub struct Command {}
+
+impl Command {
+    pub fn run(self, env: &Environment) -> anyhow::Result<()> {
+        let data_dir = gdn::data::open(env.data_dir.clone())?;
+        println!("Data dir version: {}", gdn::data::VERSION);
+
+        let state = gdn::data::load_state(&data_dir)?;
+        match state.name {
+            Some(name) => println!("Name: {name}"),
+            None => println!("No name"),
+        }
+
+        Ok(())
+    }
+}

gdn/src/data.rs

@@ -10,7 +10,7 @@ mod v1;
 
 pub use self::{
     datadir::{LockedDataDir, UnlockedDataDir},
-    v1::{VERSION, load_state, save_state},
+    v1::{State, VERSION, load_state, save_state},
 };
 
 fn migrate(dir: &LockedDataDir) -> anyhow::Result<()> {