If session exists, just attach to it

Author: Ganneff

Diff for: Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 name = "tm"
 description = "tmux helper"
-version = "0.5.14"
+version = "0.6.0"
 edition = "2021"
 authors = ["Jörg Jaspert <[email protected]>"]
 license = "BSD-2-Clause"

Diff for: Cargo.toml

@@ -580,14 +580,12 @@ impl Session {
                     // session name like this already exists, we error
                     // out. Could, *maybe* attach to that? Unsure. Might
                     // be surprising.
+                    sesname = self.set_name(&line)?.to_string();
                     if self.exists() {
-                        return Err(anyhow!(
-                        "Session name {} as read from file {:?} matches existing session, not recreating/messing with it.",
-                        line,
-                        self.sesfile
-                    ));
+                        info!("Session matches existing one, attaching");
+                        self.attach()?;
+                        return Ok(());
                     } else {
-                        sesname = self.set_name(&line)?.to_string();
                         debug!("Calculated session name: {}", sesname);
                     }
                 }