update doc

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "shadow-rs"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["baoyachi <[email protected]>"]
 edition = "2018"
 description = "A build-time information stored in your rust project"

README.md

@@ -117,6 +117,8 @@ fn main() {
     println!("{}", build::BUILD_TIME_2822);     // time when start build occurred by rfc2822, e.g. 'Thu, 24 Jun 2021 21:33:59 +0800'
     println!("{}", build::BUILD_TIME_3339);     // time when start build occurred by rfc3339, e.g. '2021-06-24T21:33:59.972494+08:00'
     println!("{}", build::BUILD_RUST_CHANNEL);  // e.g. 'debug'
+    println!("{}", build::GIT_CLEAN);           // e.g. 'true'
+    println!("{}", build::GIT_STATUS_FILE);     // e.g. '* src/lib.rs (dirty)'
 }
 ```
 
@@ -165,6 +167,8 @@ with [`clap`](https://github.com/baoyachi/shadow-rs/blob/master/example_shadow/s
 | BUILD_TIME_2822 | Thu, 24 Jun 2021 21:33:59 +0800 |  
 | BUILD_TIME_3339 | 2021-06-24T15:53:55+08:00 |  
 | BUILD_RUST_CHANNEL | debug/release |  
+| GIT_CLEAN | true/false |  
+| GIT_STATUS_FILE | * src/lib.rs (dirty) |  
 
 If you have any questions, please create an [issue](https://github.com/baoyachi/shadow-rs/issues/new) so we may improve
 the documentation where it may be unclear.

src/lib.rs

@@ -60,6 +60,8 @@
 //! pub const CARGO_VERSION :&str = "cargo 1.45.0 (744bd1fbb 2020-06-15)";
 //! pub const BUILD_OS :&str = "macos-x86_64";
 //! pub const COMMIT_HASH :&str = "386741540d73c194a3028b96b92fdeb53ca2788a";
+//! pub const GIT_CLEAN :bool = true;
+//! pub const GIT_STATUS_FILE :&str = "* src/lib.rs (dirty)";
 //! ```
 //! # Setup Guide
 //!
@@ -123,6 +125,8 @@
 //!    println!("{}",build::PROJECT_NAME);//shadow-rs
 //!    println!("{}",build::BUILD_TIME);//2020-08-16 14:50:25
 //!    println!("{}",build::BUILD_RUST_CHANNEL);//debug
+//!    println!("{}",build::GIT_CLEAN);//false
+//!    println!("{}",build::GIT_STATUS_FILE);//* src/lib.rs (dirty)
 //! }
 //!```
 //!