chlog: add series selector

src/changelog.rs

@@ -10,6 +10,7 @@ pub fn generate_entry(
     changelog_file: &str,
     cwd: Option<&Path>,
     user_version: Option<&str>,
+    target_series: Option<&str>,
 ) -> Result<(), Box<dyn std::error::Error>> {
     let changelog_path = if let Some(path) = cwd {
         path.join(changelog_file)
@@ -43,6 +44,7 @@ pub fn generate_entry(
     };
 
     let (maintainer_name, maintainer_email) = get_maintainer_info()?;
+    let series = target_series.unwrap_or(&series).to_string();
     let new_entry = format_entry(
         &package,
         &new_version,
@@ -426,7 +428,7 @@ mod tests {
             std::env::set_var("DEBFULLNAME", "Maintainer Maintainer");
             std::env::set_var("DEBEMAIL", "maintainer@maintainer.com");
         }
-        generate_entry("debian/changelog", Some(repo_dir), None).unwrap();
+        generate_entry("debian/changelog", Some(repo_dir), None, None).unwrap();
         unsafe {
             std::env::remove_var("DEBFULLNAME");
             std::env::remove_var("DEBEMAIL");