Implement VCS trait and GitVcs struct with repository management functions; update Cargo.toml and Cargo.lock for new dependencies

src-tauri/Cargo.lock

@@ -433,6 +433,8 @@ version = "1.2.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d487aa071b5f64da6f19a3e848e3578944b726ee5a4854b82172f02aa876bfdc"
 dependencies = [
+ "jobserver",
+ "libc",
  "shlex",
 ]
 
@@ -1274,6 +1276,21 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "git2"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2deb07a133b1520dc1a5690e9bd08950108873d7ed5de38dcc74d3b5ebffa110"
+dependencies = [
+ "bitflags 2.9.1",
+ "libc",
+ "libgit2-sys",
+ "log",
+ "openssl-probe",
+ "openssl-sys",
+ "url",
+]
+
 [[package]]
 name = "glib"
 version = "0.18.5"
@@ -1793,6 +1810,16 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
+[[package]]
+name = "jobserver"
+version = "0.1.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38f262f097c174adebe41eb73d66ae9c06b2844fb0da69969647bbddd9b0538a"
+dependencies = [
+ "getrandom 0.3.3",
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.77"
@@ -1885,6 +1912,20 @@ version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
+[[package]]
+name = "libgit2-sys"
+version = "0.18.2+1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c42fe03df2bd3c53a3a9c7317ad91d80c81cd1fb0caec8d7cc4cd2bfa10c222"
+dependencies = [
+ "cc",
+ "libc",
+ "libssh2-sys",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+]
+
 [[package]]
 name = "libloading"
 version = "0.7.4"
@@ -1905,6 +1946,32 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "libssh2-sys"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "220e4f05ad4a218192533b300327f5150e809b54c4ec83b5a1d91833601811b9"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "libz-sys"
+version = "1.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b70e7a7df205e92a1a4cd9aaae7898dac0aa555503cc0a649494d0d60e7651d"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.9.4"
@@ -2354,15 +2421,35 @@ dependencies = [
  "pathdiff",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90096e2e47630d78b7d1c20952dc621f957103f8bc2c8359ec81290d75238571"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "openvcs"
 version = "0.1.0"
 dependencies = [
+ "git2",
  "serde",
  "serde_json",
  "tauri",
  "tauri-build",
  "tauri-plugin-opener",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -4195,6 +4282,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version-compare"
 version = "0.2.0"

src-tauri/Cargo.toml

@@ -31,4 +31,6 @@ tauri = { version = "2", features = [] }
 tauri-plugin-opener = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
+git2 = "0.20.2"
+thiserror = "2.0.12"
 

src-tauri/src/lib.rs

@@ -1,14 +1,13 @@
-// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
+mod vcs;
-#[tauri::command]
+mod tauri_commands;
-fn greet(name: &str) -> String {
-    format!("Hello, {}! You've been greeted from Rust!", name)
-}
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
+    println!("Running OpenVCS...");
+
     tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![greet])
+        .invoke_handler(tauri::generate_handler![tauri_commands::greet])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }

src-tauri/src/tauri_commands.rs

@@ -0,0 +1,19 @@
+use std::{path::{PathBuf}, sync::Arc};
+use crate::vcs::vcs::Vcs;
+
+#[tauri::command]
+pub fn greet(name: &str) -> String {
+    format!("Hello, {}! You've been greeted from Rust!", name)
+}
+
+#[tauri::command]
+pub async fn init_repo(path: String, state: tauri::State<'_, Arc<dyn Vcs>>) -> Result<(), String> {
+  let p = PathBuf::from(path);
+  state.init_repo(&p).map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub async fn list_branches(path: String, state: tauri::State<'_, Arc<dyn Vcs>>) -> Result<Vec<String>, String> {
+  let p = PathBuf::from(path);
+  state.list_branches(&p).map_err(|e| e.to_string())
+}

src-tauri/src/vcs/git.rs

@@ -0,0 +1,66 @@
+use std::path::Path;
+use git2::{Repository, BranchType};
+use crate::vcs::vcs::{Vcs, VcsError};
+
+pub struct GitVcs;
+
+impl GitVcs {
+  #[allow(dead_code)]
+  pub fn new() -> Self {
+    GitVcs
+  }
+}
+
+impl Vcs for GitVcs {
+  fn init_repo(&self, path: &Path) -> Result<(), VcsError> {
+    Repository::init(path)?;
+    Ok(())
+  }
+
+  fn clone_repo(&self, url: &str, path: &Path) -> Result<(), VcsError> {
+    Repository::clone(url, path)?;
+    Ok(())
+  }
+
+  fn list_branches(&self, path: &Path) -> Result<Vec<String>, VcsError> {
+    let repo = Repository::open(path)?;
+    let mut names = Vec::new();
+    for branch in repo.branches(Some(BranchType::Local))? {
+      let (branch, _) = branch?;
+      if let Some(name) = branch.name()? {
+        names.push(name.to_string());
+      }
+    }
+    Ok(names)
+  }
+
+  fn commit_all(&self, path: &Path, message: &str) -> Result<(), VcsError> {
+    let repo = Repository::open(path)?;
+    let mut index = repo.index()?;
+    index.add_all(["*"].iter(), git2::IndexAddOption::DEFAULT, None)?;
+    let tree_id = index.write_tree()?;
+    let tree = repo.find_tree(tree_id)?;
+    let sig = repo.signature()?;
+    let parent_commit = repo.head()
+      .and_then(|h| h.peel_to_commit())
+      .ok();
+    let parents = parent_commit.iter().collect::<Vec<_>>();
+    repo.commit(
+      Some("HEAD"),
+      &sig,
+      &sig,
+      message,
+      &tree,
+      &parents
+    )?;
+    Ok(())
+  }
+
+  fn push(&self, path: &Path, remote: &str, branch: &str) -> Result<(), VcsError> {
+    let repo = Repository::open(path)?;
+    let mut r = repo.find_remote(remote)?;
+    let refspec = format!("refs/heads/{}:refs/heads/{}", branch, branch);
+    r.push(&[&refspec], None)?;
+    Ok(())
+  }
+}

src-tauri/src/vcs/mod.rs

@@ -0,0 +1,3 @@
+
+pub mod git;
+pub mod vcs;

src-tauri/src/vcs/vcs.rs

@@ -0,0 +1,18 @@
+use std::path::Path;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum VcsError {
+  #[error("IO error: {0}")]
+  Io(#[from] std::io::Error),
+  #[error("Git error: {0}")]
+  Git(#[from] git2::Error),
+}
+
+pub trait Vcs: Send + Sync + 'static {
+  fn init_repo(&self, path: &Path) -> Result<(), VcsError>;
+  fn clone_repo(&self, url: &str, path: &Path) -> Result<(), VcsError>;
+  fn list_branches(&self, path: &Path) -> Result<Vec<String>, VcsError>;
+  fn commit_all(&self, path: &Path, message: &str) -> Result<(), VcsError>;
+  fn push(&self, path: &Path, remote: &str, branch: &str) -> Result<(), VcsError>;
+}