datastore: clippy fixes

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

pbs-datastore/examples/ls-snapshots.rs

@@ -5,11 +5,11 @@ use anyhow::{bail, Error};
 use pbs_datastore::DataStore;
 
 fn run() -> Result<(), Error> {
-    let base: PathBuf = match std::env::args().skip(1).next() {
+    let base: PathBuf = match std::env::args().nth(1) {
         Some(path) => path.into(),
         None => bail!("no path passed!\n\nusage: ls-snapshots <path> [<max-depth>]"),
     };
-    let max_depth: Option<usize> = match std::env::args().skip(2).next() {
+    let max_depth: Option<usize> = match std::env::args().nth(2) {
         Some(depth) => match depth.parse::<usize>() {
             Ok(depth) if depth < 8 => Some(depth),
             Ok(_) => bail!("max-depth must be < 8"),

pbs-datastore/src/backup_info.rs

@@ -227,7 +227,7 @@ impl BackupGroup {
     /// Set the backup owner.
     pub fn set_owner(&self, auth_id: &Authid, force: bool) -> Result<(), Error> {
         self.store
-            .set_owner(&self.ns, &self.as_ref(), auth_id, force)
+            .set_owner(&self.ns, self.as_ref(), auth_id, force)
     }
 }
 
@@ -572,7 +572,7 @@ impl From<&BackupDir> for pbs_api_types::BackupGroup {
 
 impl From<BackupDir> for pbs_api_types::BackupGroup {
     fn from(dir: BackupDir) -> pbs_api_types::BackupGroup {
-        dir.dir.group.into()
+        dir.dir.group
     }
 }
 

pbs-datastore/src/datastore.rs

@@ -394,7 +394,7 @@ impl DataStore {
         // construct ns before mkdir to enforce max-depth and name validity
         let ns = BackupNamespace::from_parent_ns(parent, name)?;
 
-        let mut ns_full_path = self.base_path().to_owned();
+        let mut ns_full_path = self.base_path();
         ns_full_path.push(ns.path());
 
         std::fs::create_dir_all(ns_full_path)?;
@@ -404,7 +404,7 @@ impl DataStore {
 
     /// Returns if the given namespace exists on the datastore
     pub fn namespace_exists(&self, ns: &BackupNamespace) -> bool {
-        let mut path = self.base_path().to_owned();
+        let mut path = self.base_path();
         path.push(ns.path());
         path.exists()
     }
@@ -704,7 +704,7 @@ impl DataStore {
     ) -> Result<impl Iterator<Item = BackupNamespace> + 'static, Error> {
         let this = Arc::clone(self);
         Ok(
-            ListNamespaces::new(Arc::clone(&self), ns)?.filter_map(move |ns| match ns {
+            ListNamespaces::new(Arc::clone(self), ns)?.filter_map(move |ns| match ns {
                 Ok(ns) => Some(ns),
                 Err(err) => {
                     log::error!("list groups error on datastore {} - {}", this.name(), err);
@@ -736,9 +736,9 @@ impl DataStore {
     ) -> Result<impl Iterator<Item = BackupNamespace> + 'static, Error> {
         let this = Arc::clone(self);
         Ok(if let Some(depth) = max_depth {
-            ListNamespacesRecursive::new_max_depth(Arc::clone(&self), ns, depth)?
+            ListNamespacesRecursive::new_max_depth(Arc::clone(self), ns, depth)?
         } else {
-            ListNamespacesRecursive::new(Arc::clone(&self), ns)?
+            ListNamespacesRecursive::new(Arc::clone(self), ns)?
         }
         .filter_map(move |ns| match ns {
             Ok(ns) => Some(ns),
@@ -770,7 +770,7 @@ impl DataStore {
     ) -> Result<impl Iterator<Item = BackupGroup> + 'static, Error> {
         let this = Arc::clone(self);
         Ok(
-            ListGroups::new(Arc::clone(&self), ns)?.filter_map(move |group| match group {
+            ListGroups::new(Arc::clone(self), ns)?.filter_map(move |group| match group {
                 Ok(group) => Some(group),
                 Err(err) => {
                     log::error!("list groups error on datastore {} - {}", this.name(), err);
@@ -865,11 +865,10 @@ impl DataStore {
             worker.fail_on_shutdown()?;
             let digest = index.index_digest(pos).unwrap();
             if !self.inner.chunk_store.cond_touch_chunk(digest, false)? {
+                let hex = hex::encode(digest);
                 task_warn!(
                     worker,
-                    "warning: unable to access non-existent chunk {}, required by {:?}",
-                    hex::encode(digest),
-                    file_name,
+                    "warning: unable to access non-existent chunk {hex}, required by {file_name:?}"
                 );
 
                 // touch any corresponding .bad files to keep them around, meaning if a chunk is
@@ -1194,7 +1193,7 @@ impl DataStore {
         ns: BackupNamespace,
         group: pbs_api_types::BackupGroup,
     ) -> BackupGroup {
-        BackupGroup::new(Arc::clone(&self), ns, group)
+        BackupGroup::new(Arc::clone(self), ns, group)
     }
 
     /// Open a backup group from this datastore.

pbs-datastore/src/manifest.rs

@@ -86,7 +86,7 @@ impl BackupManifest {
     pub fn new(snapshot: pbs_api_types::BackupDir) -> Self {
         Self {
             backup_type: snapshot.group.ty,
-            backup_id: snapshot.group.id.into(),
+            backup_id: snapshot.group.id,
             backup_time: snapshot.time,
             files: Vec::new(),
             unprotected: json!({}),