add todo

src/main.rs

@@ -10,6 +10,7 @@ use zfs_backup::todo;
 use zfs_backup::zfs::ZPool;
 
 fn main() -> Result<()> {
+    // TODO clean old snapshots
     verify_running_as_root()?;
 
     let config = config::Config::read("config.toml")?;
@@ -57,12 +58,12 @@ fn do_backup(
     backup_pool: &ZPool,
     snapshot_tag: String,
     snapshot_interval: String,
-    datasets: Vec<String>,
+    do_not_backup_datasets: Vec<String>,
 ) -> Result<bool> {
     let todos = todo::Todo::plan(
         local_pool,
         backup_pool,
-        datasets,
+        do_not_backup_datasets,
         snapshot_tag,
         snapshot_interval,
     )