fix: Add #[non_exhaustive] to pub structs which may be extended in fu…

…ture (#293)

crates/backend/src/choose.rs

@@ -31,6 +31,7 @@ use clap::ValueHint;
 #[derive(Clone, Default, Debug, serde::Deserialize, serde::Serialize, Setters)]
 #[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
 #[setters(into, strip_option)]
+#[non_exhaustive]
 pub struct BackendOptions {
     /// Repository to use
     #[cfg_attr(

crates/backend/src/error.rs

@@ -6,6 +6,7 @@ use thiserror::Error;
 
 /// [`BackendAccessErrorKind`] describes the errors that can be returned by the various Backends
 #[derive(Error, Debug, Display)]
+#[non_exhaustive]
 pub enum BackendAccessErrorKind {
     /// backend {0:?} is not supported!
     BackendNotSupported(String),
@@ -38,6 +39,7 @@ pub enum BackendAccessErrorKind {
 
 /// [`RcloneErrorKind`] describes the errors that can be returned by a backend provider
 #[derive(Error, Debug, Display)]
+#[non_exhaustive]
 pub enum RcloneErrorKind {
     /// 'rclone version' doesn't give any output
     NoOutputForRcloneVersion,
@@ -61,6 +63,7 @@ pub enum RcloneErrorKind {
 
 /// [`RestErrorKind`] describes the errors that can be returned while dealing with the REST API
 #[derive(Error, Debug, Display)]
+#[non_exhaustive]
 pub enum RestErrorKind {
     /// value `{0:?}` not supported for option retry!
     NotSupportedForRetry(String),
@@ -83,6 +86,7 @@ pub enum RestErrorKind {
 
 /// [`LocalBackendErrorKind`] describes the errors that can be returned by an action on the filesystem in Backends
 #[derive(Error, Debug, Display)]
+#[non_exhaustive]
 pub enum LocalBackendErrorKind {
     /// directory creation failed: `{0:?}`
     DirectoryCreationFailed(#[from] std::io::Error),

crates/core/src/backend/ignore.rs

@@ -46,6 +46,7 @@ pub struct LocalSource {
 #[derive(serde::Deserialize, serde::Serialize, Default, Clone, Copy, Debug, Setters)]
 #[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
 #[setters(into)]
+#[non_exhaustive]
 /// [`LocalSourceSaveOptions`] describes how entries from a local source will be saved in the repository.
 pub struct LocalSourceSaveOptions {
     /// Save access time for files and directories
@@ -65,6 +66,7 @@ pub struct LocalSourceSaveOptions {
 #[derive(serde::Deserialize, serde::Serialize, Default, Clone, Debug, Setters)]
 #[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
 #[setters(into)]
+#[non_exhaustive]
 /// [`LocalSourceFilterOptions`] allow to filter a local source by various criteria.
 pub struct LocalSourceFilterOptions {
     /// Glob pattern to exclude/include (can be specified multiple times)

crates/core/src/blob/tree.rs

@@ -396,6 +396,7 @@ impl IntoIterator for Tree {
 #[derive(Derivative, Clone, Debug, Setters)]
 #[derivative(Default)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for listing the `Nodes` of a `Tree`
 pub struct TreeStreamerOptions {
     /// Glob pattern to exclude/include (can be specified multiple times)

crates/core/src/commands/check.rs

@@ -31,6 +31,7 @@ use crate::{
 };
 
 #[derive(Clone, Copy, Debug, Default)]
+#[non_exhaustive]
 /// Options to specify which subset of packs will be read
 pub enum ReadSubsetOption {
     #[default]
@@ -119,6 +120,7 @@ impl FromStr for ReadSubsetOption {
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Clone, Copy, Debug, Default, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for the `check` command
 pub struct CheckOptions {
     /// Don't verify the data saved in the cache

crates/core/src/commands/config.rs

@@ -102,6 +102,7 @@ pub(crate) fn save_config<P, S>(
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Clone, Copy, Default, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// 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/>.

crates/core/src/commands/key.rs

@@ -12,6 +12,7 @@ use crate::{
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Clone, Default, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for the `key` command. These are used when creating a new key.
 pub struct KeyOptions {
     /// Set 'hostname' in public key information

crates/core/src/commands/prune.rs

@@ -53,6 +53,7 @@ pub(super) mod constants {
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Clone, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for the `prune` command
 pub struct PruneOptions {
     /// Define maximum data to repack in % of reposize or as size (e.g. '5b', '2 kB', '3M', '4TiB') or 'unlimited'
@@ -248,6 +249,7 @@ impl PruneOptions {
 
 /// Enum to specify a size limit
 #[derive(Clone, Copy, Debug)]
+#[non_exhaustive]
 pub enum LimitOption {
     /// Size in bytes
     Size(ByteSize),

crates/core/src/commands/repair/snapshots.rs

@@ -24,6 +24,7 @@ use crate::{
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for the `repair snapshots` command
 pub struct RepairSnapshotsOptions {
     /// Also remove defect snapshots

crates/core/src/commands/repoinfo.rs

@@ -12,6 +12,7 @@ use crate::{
 };
 
 #[derive(Default, Clone, Debug, Serialize, Deserialize)]
+#[non_exhaustive]
 /// Index information from `repoinfo`
 pub struct IndexInfos {
     /// Infos about blobs
@@ -25,6 +26,7 @@ pub struct IndexInfos {
 }
 
 #[derive(Clone, Copy, Debug, Serialize, Deserialize)]
+#[non_exhaustive]
 /// Information about blobs within `repoinfo`
 pub struct BlobInfo {
     /// Blob type
@@ -57,6 +59,7 @@ impl BlobInfo {
 
 #[skip_serializing_none]
 #[derive(Clone, Copy, Debug, Serialize, Deserialize)]
+#[non_exhaustive]
 /// Information about packs within `repoinfo`
 pub struct PackInfo {
     /// Packs of the given blob type
@@ -155,6 +158,7 @@ pub(crate) fn collect_index_infos<P: ProgressBars, S: Open>(
 
 #[skip_serializing_none]
 #[derive(Default, Clone, Debug, Serialize, Deserialize)]
+#[non_exhaustive]
 /// Information about repository files
 pub struct RepoFileInfos {
     /// Repository files
@@ -164,6 +168,7 @@ pub struct RepoFileInfos {
 }
 
 #[derive(Clone, Copy, Debug, Serialize, Deserialize)]
+#[non_exhaustive]
 /// Information about a repository files of a given [`FileType`]
 pub struct RepoFileInfo {
     /// The type of the files

crates/core/src/commands/restore.rs

@@ -44,6 +44,7 @@ type Filenames = Vec<PathBuf>;
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[derive(Debug, Copy, Clone, Default, Setters)]
 #[setters(into)]
+#[non_exhaustive]
 /// Options for the `restore` command
 pub struct RestoreOptions {
     /// Remove all files/dirs in destination which are not contained in snapshot.
@@ -68,6 +69,7 @@ pub struct RestoreOptions {
 }
 
 #[derive(Default, Debug, Clone, Copy)]
+#[non_exhaustive]
 /// Statistics for files or directories
 pub struct FileDirStats {
     /// Number of files or directories to restore
@@ -83,6 +85,7 @@ pub struct FileDirStats {
 }
 
 #[derive(Default, Debug, Clone, Copy)]
+#[non_exhaustive]
 /// Restore statistics
 pub struct RestoreStats {
     /// file statistics

crates/core/src/repository.rs

@@ -84,6 +84,7 @@ mod constants {
 #[derive(Clone, Default, Debug, serde::Deserialize, serde::Serialize, Setters)]
 #[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
 #[setters(into, strip_option)]
+#[non_exhaustive]
 pub struct RepositoryOptions {
     /// Password of the repository
     ///