feat: add clap derive for options struct

Author: c-git

Cargo.lock

@@ -16,9 +16,14 @@ description = "Checks if the version control is clean. Based on code from Cargo.
 [dependencies]
 anyhow = { version = "1.0.94", features = ["backtrace"] }
 cargo-util = "0.2.16"
+clap = { version = "4.5.23", features = ["cargo", "env", "derive", "wrap_help"], optional = true }
 git2 = "0.19.0"
 thiserror = "2.0.8"
 
 [dev-dependencies]
 rstest = "0.23.0"
 strum = { version = "0.26.3", features = ["derive", "strum_macros"] }
+
+[features]
+default = []
+clap = ["dep:clap"]

Cargo.toml

@@ -1,9 +1,15 @@
 # version-control-clean-check
+
 Checks the status of the version control system.
-Based on [cargo](https://github.com/rust-lang/cargo)'s [`check_version_control`](https://github.com/rust-lang/cargo/blob/4b84887848a31c6f83434cee2135f4fb0e2c9cf3/src/cargo/ops/fix.rs#L146). 
+Based on [cargo](https://github.com/rust-lang/cargo)'s [`check_version_control`](https://github.com/rust-lang/cargo/blob/4b84887848a31c6f83434cee2135f4fb0e2c9cf3/src/cargo/ops/fix.rs#L146).
 In cargo it is used as a safety check before possibly destructive changes are done like running `cargo fix`.
 
+# Feature Flags
+
+- clap - Provides clap derives for the options struct
+
 ## Display Messages for Errors
+
 Display messages for errors are meant to be human readable and as such are not considered a breaking change if they are changed for clarity.
 
 ## Tests

README.md

@@ -2,13 +2,19 @@ use crate::{VCSError, VCSResult};
 use std::path::Path;
 
 /// Stores the options available for calling [`check_version_control`] and controls which checks if any are run
+#[cfg_attr(feature = "clap", derive(clap::Args))]
 #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Default)]
 pub struct CheckOptions {
     /// Does not return an error for dirty files nor generate the list of said files
+    #[cfg_attr(feature = "clap", arg(long))]
     pub allow_dirty: bool,
+
     /// This option basically disables checking. If true no checks are done. (Not even if the `path` exists)
+    #[cfg_attr(feature = "clap", arg(long))]
     pub allow_no_vcs: bool,
+
     /// Does not return an error for staged files nor generate the list of said files
+    #[cfg_attr(feature = "clap", arg(long))]
     pub allow_staged: bool,
 }