commit操作初版完成

src/cli.rs

@@ -1,5 +1,6 @@
 use clap::{Parser, Subcommand};
 use mit::commands::add::add;
+use mit::commands::commit::commit;
 use mit::commands::init::init;
 
 /// Rust实现的简易版本的Git，用于学习Rust语言
@@ -52,7 +53,7 @@ pub fn handle_command() {
         Command::Init => {
             let _ = init();
         }
-        Command::Add { files , all, update} => {
+        Command::Add { files, all, update } => {
             add(files, all, update);
         }
         Command::Rm { files, cached } => {
@@ -62,7 +63,7 @@ pub fn handle_command() {
             message,
             allow_empty,
         } => {
-            println!("commit: {:?}, allow empty={:?}", message, allow_empty);
+            commit(message, allow_empty);
         }
     }
 }

src/commands/commit.rs

@@ -1,16 +1,28 @@
 use crate::head;
 use crate::models::{commit, index};
-// XXX NOT TESTED
 pub fn commit(message: String, allow_enpty: bool) {
     let index = index::Index::new();
     // XXX true 需要替换为 index.is_empty()
-    if true && !allow_enpty {
+    if false && !allow_enpty {
         println!("工作区没有任何改动，不需要提交");
     }
 
+    let current_head = head::current_head();
     let current_commit_hash = head::current_head_commit();
 
-    let mut commit = commit::Commit::new(&index, vec![current_commit_hash], message);
+    let mut commit =
+        commit::Commit::new(&index, vec![current_commit_hash.clone()], message.clone());
     let commit_hash = commit.save();
     head::update_head_commit(&commit_hash);
+
+    {
+        let commit_target = {
+            match current_head {
+                head::Head::Branch(branch_name) => branch_name,
+                head::Head::Detached(commit_hash) => commit_hash[..6].to_string(),
+            }
+        };
+        println!("commit to [{:?}] message{:?}", commit_target, message);
+        println!("commit hash: {:?}", commit_hash);
+    }
 }

src/head.rs

@@ -5,7 +5,7 @@ pub enum Head {
     Branch(String),
 }
 
-fn current_head() -> Head {
+pub fn current_head() -> Head {
     let mut head = util::get_storage_path().unwrap();
     head.push("HEAD");
     let head_content = std::fs::read_to_string(head).expect("HEAD文件损坏");