Fix typos and slightly simplify code from #1235

CHANGELOG.md

@@ -146,7 +146,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   domain information of `.email()`.
 
 * It is now possible to change the author format of `jj log` with the new
-  `ui.log_author_format` option.
+  `ui.log-author-format` option.
 
 ### Fixed bugs
 

docs/config.md

@@ -144,7 +144,7 @@ as `x days/hours/seconds ago` instead of being rendered as a full timestamp.
 ### Author format
 
 ```toml
-ui.log_author_format = 'username'
+ui.log-author-format = 'username'
 ```
 
 Supported values are,

src/commands/mod.rs

@@ -1436,13 +1436,12 @@ fn log_template(settings: &UserSettings) -> String {
         _ => format!("short({desired_id_len})"),
     };
     let author_template = match settings.log_author_format().as_str() {
-        "none" => None,
-        "full" => Some("author"),
-        "name" => Some("author.name()"),
-        "username" => Some("author.username()"),
-        _ => Some("author.email()"),
-    }
-    .map_or("".to_owned(), |t| t.to_owned() + ",");
+        "none" => r#""""#,
+        "full" => "author",
+        "name" => "author.name()",
+        "username" => "author.username()",
+        _ => "author.email()",
+    };
     let default_template = format!(
         r#"
             label(if(current_working_copy, "working_copy"),
@@ -1450,7 +1449,7 @@ fn log_template(settings: &UserSettings) -> String {
                 if(divergent,
                   label("divergent", change_id.{prefix_format} "??"),
                   change_id.{prefix_format}),
-                {author_template}
+                {author_template},
                 {committer_timestamp},
                 branches,
                 tags,