feat: add mod git

src/cmd_default.rs

@@ -10,6 +10,8 @@ impl CommandDefault {
     }
 
     pub fn run(_arg_matches: &ArgMatches) -> CommandError {
+        println!("Git status: {}", crate::git::check_git_status());
+        println!("Git hash  : {}", crate::git::get_git_hash().unwrap_or_else(|| "<none>".to_owned()));
         error!("Default command is not implemented!");
         Ok(())
     }

src/git.rs

@@ -0,0 +1,56 @@
+use std::process::Command;
+
+pub fn check_git_status() -> bool {
+    match Command::new("git").env("LANG", "en_US").args(&["fetch", "--dry-run"]).output() {
+        Err(e) => {
+            warn!("Error in run git fetch --dry-run: {}", e);
+            return false;
+        },
+        Ok(o) => match String::from_utf8(o.stdout) {
+            Err(e) => {
+                warn!("Error in get utf8 git fetch --dry-run stdout: {}", e);
+                return false;
+            },
+            Ok(stdout) => if !stdout.trim().is_empty() {
+                warn!("Std out is not empty git fetch --dry-run: {}", stdout);
+                return false;
+            },
+        },
+    }
+    match Command::new("git").env("LANG", "en_US").args(&["status"]).output() {
+        Err(e) => {
+            warn!("Error in run git status: {}", e);
+            return false;
+        },
+        Ok(o) => match String::from_utf8(o.stdout) {
+            Err(e) => {
+                warn!("Error in get utf8 git status: {}", e);
+                return false;
+            },
+            Ok(stdout) => if [
+                    "Changes not staged for commit",
+                    "Yourbranch is ahead of",
+                    "Untracked files" ].iter().any(|s| stdout.contains(s)) {
+                warn!("Std out check failed git status: {}", stdout);
+                return false;
+            }
+        }
+    }
+    true
+}
+
+pub fn get_git_hash() -> Option<String> {
+    match Command::new("git").args(&["rev-parse", "HEAD"]).output(){
+        Err(e) => {
+            warn!("Error in run git rev-parse HEAD: {}", e);
+            None
+        },
+        Ok(o) => match String::from_utf8(o.stdout) {
+            Err(e) => {
+                warn!("Error in get utf8 git rev-parse HEAD: {}", e);
+                None
+            },
+            Ok(stdout) => Some(stdout),
+        }
+    }
+}

src/main.rs

@@ -6,6 +6,7 @@ use clap::{ App, ArgMatches };
 mod cmd;
 mod cmd_default;
 mod cmd_new;
+mod git;
 
 use cmd::{ Command, CommandError };
 use cmd_default::CommandDefault;