feat: add git_rev_parse_head

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust_util"
-version = "0.6.27"
+version = "0.6.29"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "Hatter's Rust Util"
@@ -13,10 +13,10 @@ default = [] #["serde", "serde_json"]
 use_clap = ["clap"]
 
 [dependencies]
-libc = "0.2.65"
-term = "0.5.2"
-term_size = "0.3.1"
-lazy_static = "1.3.0"
+libc = "0.2.82"
+term = "0.7.0"
+term_size = "0.3.2"
+lazy_static = "1.4.0"
 clap = { version = "2.0", optional = true }
 # serde = { version = "1.0", features = ["derive"], optional = true }
 # serde_json = { version = "1.0", optional = true }

src/util_clap.rs

@@ -59,9 +59,13 @@ impl CommandExecutor {
     }
 
     pub fn run(&self) -> XResult<()> {
-        let mut app = App::new(env!("CARGO_PKG_NAME"))
+        let app = App::new(env!("CARGO_PKG_NAME"))
                 .version(env!("CARGO_PKG_VERSION"))
                 .about(env!("CARGO_PKG_DESCRIPTION"));
+        self.run_with(app)
+    }
+
+    pub fn run_with<'a>(&self, mut app: App<'a, 'a>) -> XResult<()> {
         if let Some(default_cmd) = &self.default_cmd {
             app = default_cmd.process_command(app);
         }

src/util_git.rs

@@ -25,6 +25,15 @@ pub fn git_status_change(working_dir: Option<&str>) -> XResult<GitStatusChange>
     parse_git_status_change(&git_status)
 }
 
+pub fn git_rev_parse_head(working_dir: Option<&str>) -> XResult<String> {
+    let mut cmd = new_git_command(working_dir);
+    cmd.args(vec!["rev-parse", "HEAD"]);
+    util_msg::print_info(&format!("Exec: {:?}", cmd));
+    let output = cmd.output()?;
+    let rev_parse_head = String::from_utf8(output.stdout)?;
+    Ok(rev_parse_head.trim().to_string())
+}
+
 pub fn git_fetch_dry_run(working_dir: Option<&str>) -> XResult<bool> {
     let mut cmd = new_git_command(working_dir);
     cmd.args(vec!["fetch", "--dry-run"]);