better logging

Use callbacks to report progress, indicatif for progress bars, no direct logs but progress messages

src/package_info.rs

@@ -1,10 +1,11 @@
 use flate2::read::GzDecoder;
 use std::io::Read;
 use std::collections::HashMap;
-use serde::Deserialize;
 use std::error::Error;
 use std::path::Path;
 
+use log::debug;
+
 const BASE_URL_UBUNTU: &str = "http://archive.ubuntu.com/ubuntu";
 const BASE_URL_DEBIAN: &str = "http://deb.debian.org/debian";
 
@@ -185,7 +186,7 @@ pub async fn get(package_name: &str, series: &str, pocket: &str) -> Result<Optio
     let mut preferred_vcs = None;
     if dist == "ubuntu" {
         if let Some(lp_url) = check_launchpad_repo(package_name).await? {
-            println!("Found Launchpad URL: {}", lp_url);
+            debug!("Found Launchpad URL: {}", lp_url);
             preferred_vcs = Some(lp_url);
         }
     }
@@ -195,12 +196,12 @@ pub async fn get(package_name: &str, series: &str, pocket: &str) -> Result<Optio
     let component = "main"; // TODO: Make configurable or detect
     let url = get_sources_url(base_url, series, pocket, component);
 
-    println!("Fetching sources from: {}", url);
+    debug!("Fetching sources from: {}", url);
     
     let response = reqwest::get(&url).await?;
     let compressed_data = response.bytes().await?;
     
-    println!("Downloaded Sources.gz for {}/{}", dist, series);
+    debug!("Downloaded Sources.gz for {}/{}", dist, series);
         
     if let Some(stanza) = parse_sources(&compressed_data, package_name)? {
         if let Some(vcs) = &stanza.vcs_git {
@@ -217,8 +218,7 @@ pub async fn get(package_name: &str, series: &str, pocket: &str) -> Result<Optio
             archive_url: archive_url,
         }));
     } else {
-        // println!("Package '{}' not found in {}/{}", package, dist, series);
-        Ok(None)
+        Err(format!("Package '{}' not found in {}/{}", package_name, dist, series).into())
     }
 }