Add logout, only login if not already logged in (#91)

Also:
- Ensures that a key is generated as soon as a user registers!
- Ensures that "atuin key" will generate a key if needed, and doesn't
  double base64 encode data

And a few other little fixes :)

Resolves #85
Resolves #86

1 files changed, 12 insertions, 0 deletions

diff --git a/src/command/logout.rs b/src/command/logout.rs
new file mode 100644
index 00000000..ec7d8dcb
--- /dev/null
+++ b/src/command/logout.rs
@@ -0,0 +1,12 @@
+use std::fs::remove_file;
+
+pub fn run() {
+    let session_path = atuin_common::utils::data_dir().join("session");
+
+    if session_path.exists() {
+        remove_file(session_path.as_path()).expect("Failed to remove session file");
+        println!("You have logged out!");
+    } else {
+        println!("You are not logged in");
+    }
+}