Apply suggestions from code review

Co-authored-by: simonsan <14062932+simonsan@users.noreply.github.com>

crates/rustic_core/examples/merge.rs

@@ -1,5 +1,5 @@
 //! `merge` example
-use rustic_core::{last_modified, repofile::SnapshotFile, Repository, RepositoryOptions};
+use rustic_core::{last_modified_node, repofile::SnapshotFile, Repository, RepositoryOptions};
 use simplelog::{Config, LevelFilter, SimpleLogger};
 use std::error::Error;
 
@@ -16,7 +16,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     // Merge all snapshots using the latest entry for duplicate entries
     let snaps = repo.get_all_snapshots()?;
     // This creates a new snapshot without removing the used ones
-    let snap = repo.merge_snapshots(&snaps, &last_modified, SnapshotFile::default())?;
+    let snap = repo.merge_snapshots(&snaps, &last_modified_node, SnapshotFile::default())?;
 
     println!("successfully created snapshot:\n{snap:#?}");
     Ok(())

crates/rustic_core/src/backend/ignore.rs

@@ -33,7 +33,7 @@ use crate::{
 
 // Walk doesn't implement Debug
 #[allow(missing_debug_implementations)]
-/// A [`LocalSource`] is a source from local paths which is used to read from (i.e. to backup it).
+/// A [`LocalSource`] is a source from local paths which is used to be read from (i.e. to backup it).
 pub struct LocalSource {
     builder: WalkBuilder,
     walker: Walk,

crates/rustic_core/src/backend/local.rs

@@ -267,10 +267,11 @@ pub struct LocalDestination {
 impl LocalDestination {
     /// Create a new [`LocalDestination`]
     ///
-    /// Arguments:
-    /// - `path`: The base path of the destination
-    /// - `create`: If `create` is true, create the base path if it doesn't exist.
-    /// - `expect_file`: Whether we expect a single file as destination.
+    /// # Arguments
+    ///
+    /// * `path` - The base path of the destination
+    /// * `create` - If `create` is true, create the base path if it doesn't exist.
+    /// * `expect_file` - Whether we expect a single file as destination.
     pub fn new(path: &str, create: bool, expect_file: bool) -> RusticResult<Self> {
         let is_dir = path.ends_with('/');
         let path: PathBuf = path.into();
@@ -573,9 +574,9 @@ impl LocalDestination {
         Ok(vec.into())
     }
 
-    /// Check if amatching file exists.
+    /// Check if a matching file exists.
     /// If a file exists and size matches, this returns a `File` open for reading.
-    /// In all other cases, retruns `None`
+    /// In all other cases, returns `None`
     pub fn get_matching_file(&self, item: impl AsRef<Path>, size: u64) -> Option<File> {
         let filename = self.path(item);
         fs::symlink_metadata(&filename).map_or_else(
@@ -590,7 +591,7 @@ impl LocalDestination {
         )
     }
 
-    /// Write `data`to given item (relative to the base path) at `offset`
+    /// Write `data` to given item (relative to the base path) at `offset`
     pub fn write_at(&self, item: impl AsRef<Path>, offset: u64, data: &[u8]) -> RusticResult<()> {
         let filename = self.path(item);
         let mut file = fs::OpenOptions::new()

crates/rustic_core/src/backend/node.rs

@@ -34,8 +34,10 @@ use crate::id::Id;
 pub struct Node {
     /// Name of the node: filename or dirname.
     ///
-    ///Warning: This contains an escaped variant of the name in order to handle non-unicode filenames.
-    /// Dont't access this field directly, use the [`Node::name()`] method instead!
+    /// # Warning
+    ///
+    /// This contains an escaped variant of the name in order to handle non-unicode filenames.
+    /// Don't access this field directly, use the [`Node::name()`] method instead!
     pub name: String,
     #[serde(flatten)]
     /// Information about node type
@@ -44,7 +46,9 @@ pub struct Node {
     /// Node Metadata
     pub meta: Metadata,
     #[serde(default, deserialize_with = "deserialize_default_from_null")]
-    /// Contents of the Node. This should be only set for regular files
+    /// Contents of the Node
+    ///
+    /// This should be only set for regular files.
     pub content: Option<Vec<Id>>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     /// Subtree of the Node. This should be only
@@ -64,7 +68,9 @@ pub enum NodeType {
     Symlink {
         /// The target of the symlink
         ///
-        /// Warning: This contains the target only if it is a valid unicode target.
+        /// # Warning
+        ///
+        /// This contains the target only if it is a valid unicode target.
         /// Dont't access this field directly, use the [`NodeType::to_link()`] method instead!
         linktarget: String,
         #[serde_as(as = "Option<Base64>")]
@@ -214,25 +220,25 @@ impl Node {
         }
     }
     #[must_use]
-    /// Is this node a dir?
+    /// Evaluates if this node is a directory
     pub const fn is_dir(&self) -> bool {
         matches!(self.node_type, NodeType::Dir)
     }
 
     #[must_use]
-    /// Is this node a symlink?
+    /// Evaluates if this node is a symlink
     pub const fn is_symlink(&self) -> bool {
         matches!(self.node_type, NodeType::Symlink { .. })
     }
 
     #[must_use]
-    /// Is this node a regular file?
+    /// Evaluates if this node is a regular file
     pub const fn is_file(&self) -> bool {
         matches!(self.node_type, NodeType::File)
     }
 
     #[must_use]
-    /// Is this node a special file?
+    /// Evaluates if this node is a special file
     pub const fn is_special(&self) -> bool {
         matches!(
             self.node_type,
@@ -251,8 +257,8 @@ impl Node {
     }
 }
 
-///  `latest_node` is an ordering function returning the latest node by mtime
-pub fn last_modified(n1: &Node, n2: &Node) -> Ordering {
+///  `last_modified_node` is an ordering function returning the latest node by mtime
+pub fn last_modified_node(n1: &Node, n2: &Node) -> Ordering {
     n1.meta.mtime.cmp(&n2.meta.mtime)
 }
 

crates/rustic_core/src/commands/config.rs

@@ -50,7 +50,7 @@ pub(crate) fn save_config<P, S>(
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Clone, Copy, Default, Setters)]
 #[setters(into)]
-/// Options for the `config` command, used to set repository-wide  options
+/// Options for the `config` command, used to set repository-wide options
 pub struct ConfigOptions {
     /// Set compression level. Allowed levels are 1 to 22 and -1 to -7, see <https://facebook.github.io/zstd/>.
     /// Note that 0 equals to no compression

crates/rustic_core/src/lib.rs

@@ -105,7 +105,7 @@ pub use crate::{
     backend::{
         ignore::{LocalSource, LocalSourceFilterOptions, LocalSourceSaveOptions},
         local::LocalDestination,
-        node::last_modified,
+        node::last_modified_node,
         ReadSourceEntry,
     },
     blob::{tree::TreeStreamerOptions as LsOptions, Sum},

src/commands/merge.rs

@@ -9,10 +9,7 @@ use log::info;
 
 use chrono::Local;
 
-use rustic_core::{
-    repofile::{Node, SnapshotFile},
-    SnapshotOptions,
-};
+use rustic_core::{last_modified_node, repofile::SnapshotFile, SnapshotOptions};
 
 /// `merge` subcommand
 #[derive(clap::Parser, Default, Command, Debug)]
@@ -55,9 +52,7 @@ impl MergeCmd {
 
         let snap = SnapshotFile::from_options(&self.snap_opts)?;
 
-        let cmp = |n1: &Node, n2: &Node| n1.meta.mtime.cmp(&n2.meta.mtime);
-
-        let snap = repo.merge_snapshots(&snapshots, &cmp, snap)?;
+        let snap = repo.merge_snapshots(&snapshots, &last_modified_node, snap)?;
 
         if self.json {
             let mut stdout = std::io::stdout();