feat: incremental backup

This uses the previous, latest generation as a guideline to see what
is new or changed.

1 files changed, 2 insertions, 7 deletions

diff --git a/src/genlist.rs b/src/genlist.rs
index 9c511f2..10c614e 100644
--- a/src/genlist.rs
+++ b/src/genlist.rs
@@ -18,11 +18,9 @@ impl GenerationList {
 
     pub fn resolve(&self, genref: &str) -> Option<String> {
         let gen = if self.list.is_empty() {
-            eprintln!("genlist: empty");
             None
         } else if genref == "latest" {
             let i = self.list.len() - 1;
-            eprintln!("genlist: latest={} of {}", i, self.list.len());
             Some(self.list[i].clone())
         } else {
             let genref: ChunkId = genref.parse().unwrap();
@@ -31,18 +29,15 @@ impl GenerationList {
                 .filter(|gen| gen.id() == genref)
                 .map(|gen| gen.clone())
                 .collect();
-            eprintln!("genlist: hits={}", hits.len());
             if hits.len() == 1 {
                 Some(hits[0].clone())
             } else {
                 None
             }
         };
-        let ret = match gen {
+        match gen {
             None => None,
             Some(gen) => Some(gen.id().to_string()),
-        };
-        eprintln!("genlist: return {:?}", ret);
-        ret
+        }
     }
 }