Subcommand add and sub

Cargo.toml

@@ -42,13 +42,13 @@ once_cell = "1.5.2"
 opener = "0.5.0"
 reqwest = { version = "0.11.18", features = ["blocking", "json"] }
 rpassword = "5.0.1"
-semver = { version = "0.11.0", features = ["serde"] }
+semver = { version = "1.0.17", features = ["serde"] }
 serde = { version = "1.0.116", features = ["derive"] }
 serde_json = "1.0.58"
 structopt = "0.3.18"
 tempfile = "3.1.0"
-toml = "0.5.6"
-toml_edit = "0.2.0"
+toml = "0.7.4"
+toml_edit = "0.19.10"
 url = { version = "2.1.1", features = ["serde"] }
 walkdir = "2.3.1"
 whoami = "1.1.2"

src/auth.rs

@@ -51,11 +51,18 @@ impl AuthStore {
 
         let mut auth: Document = contents.parse().unwrap();
 
-        if !auth.as_table_mut().contains_table("tokens") {
+        if !auth.as_table().contains_table("tokens") {
             auth["tokens"] = table();
         }
 
-        let tokens = auth.as_table_mut().entry("tokens");
+        let tokens = auth
+            .as_table_mut()
+            // We know that it exists due to the prior check.
+            .get_mut("tokens")
+            .unwrap()
+            // We know for a fact that it is a table due to the prior check.
+            .as_table_mut()
+            .unwrap();
 
         if let Some(token) = token {
             tokens[key] = value(token);