1 files changed, 44 insertions, 0 deletions
diff --git a/src/cmd/resolve.rs b/src/cmd/resolve.rs
new file mode 100644
index 0000000..a7774d7
--- /dev/null
+++ b/src/cmd/resolve.rs
@@ -0,0 +1,44 @@
+//! The `resolve` subcommand.
+
+use crate::chunk::ClientTrust;
+use crate::client::BackupClient;
+use crate::config::ClientConfig;
+use crate::error::ObnamError;
+use clap::Parser;
+use tokio::runtime::Runtime;
+
+/// Resolve a generation reference into a generation id.
+#[derive(Debug, Parser)]
+pub struct Resolve {
+    /// The generation reference.
+    generation: String,
+}
+
+impl Resolve {
+    /// Run the command.
+    pub fn run(&self, config: &ClientConfig) -> Result<(), ObnamError> {
+        let rt = Runtime::new()?;
+        rt.block_on(self.run_async(config))
+    }
+
+    async fn run_async(&self, config: &ClientConfig) -> Result<(), ObnamError> {
+        let client = BackupClient::new(config)?;
+        let trust = client
+            .get_client_trust()
+            .await?
+            .or_else(|| Some(ClientTrust::new("FIXME", None, "".to_string(), vec![])))
+            .unwrap();
+        let generations = client.list_generations(&trust);
+
+        match generations.resolve(&self.generation) {
+            Err(err) => {
+                return Err(err.into());
+            }
+            Ok(gen_id) => {
+                println!("{}", gen_id.as_chunk_id());
+            }
+        };
+
+        Ok(())
+    }
+}