launchpad: drive the endpoints from data/launchpad.yml

src/apt/release.rs

@@ -851,7 +851,7 @@ fn parse_ppa_url(ppa_base_url: &str) -> Option<(String, String)> {
         .strip_prefix("https://")
         .or_else(|| ppa_base_url.strip_prefix("http://"))?;
     let (host, path) = rest.split_once('/')?;
-    if host != "ppa.launchpadcontent.net" {
+    if host != crate::launchpad::ppa_content_host() {
         return None;
     }
 
@@ -886,7 +886,7 @@ pub async fn ppa_keyring_bytes(
         return Ok(cached.clone());
     }
 
-    let api_url = format!("https://api.launchpad.net/1.0/~{owner}/+archive/ubuntu/{name}");
+    let api_url = crate::launchpad::archive_url(&owner, &name);
     let response = crate::distro_info::http_get_retried(&api_url).await?;
     if !response.status().is_success() {
         return Err(format!(