Made more like Github Desktop

frontend/css/base.css

@@ -1,18 +1,33 @@
 :root {
-  --bg-app: #0d1117;
-  --bg-panel: #161b22;
-  --bg-panel-alt: #21262d;
-  --bg-hover: #30363d;
-  --border: #30363d;
-  --text-main: #e6edf3;
-  --text-muted: #848d97;
-  --accent: #2f81f7;
+  --bg-app: #1c2128;
+  --bg-panel: #22272e;
+  --bg-panel-alt: #2a3038;
+  --bg-hover: #2d3540;
+  --border: #1e242b;
+  --text-main: #cdd9e5;
+  --text-muted: #768390;
+  --accent: #58a6ff;
   --accent-strong: #1f6feb;
   --success: #3fb950;
   --danger: #f85149;
   --radius-md: 6px;
   --radius-lg: 8px;
-  --shadow: 0 8px 24px rgba(1, 4, 9, 0.75);
+  --shadow: 0 8px 24px rgba(1, 4, 9, 0.7);
+}
+
+:root[data-theme="light"] {
+  --bg-app: #f6f8fa;
+  --bg-panel: #ffffff;
+  --bg-panel-alt: #f0f3f6;
+  --bg-hover: #eaeef2;
+  --border: #d0d7de;
+  --text-main: #24292f;
+  --text-muted: #57606a;
+  --accent: #0969da;
+  --accent-strong: #0969da;
+  --success: #1a7f37;
+  --danger: #cf222e;
+  --shadow: 0 8px 24px rgba(31, 35, 40, 0.12);
 }
 
 * {
@@ -29,6 +44,7 @@ body {
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
   font-size: 14px;
   line-height: 1.5;
+  -webkit-font-smoothing: antialiased;
 }
 
 button,
@@ -45,40 +61,51 @@ button {
   color: var(--text-main);
   padding: 5px 12px;
   cursor: pointer;
-  transition: background 0.1s ease, border-color 0.1s ease;
-  font-size: 14px;
+  transition: background 0.1s ease, border-color 0.1s ease, opacity 0.1s ease;
+  font-size: 13px;
 }
 
 button:hover {
   background: var(--bg-hover);
-  border-color: #8b949e;
+  border-color: #6e7681;
+}
+
+button:disabled {
+  opacity: 0.5;
+  cursor: default;
+}
+
+button:disabled:hover {
+  background: var(--bg-panel-alt);
+  border-color: var(--border);
 }
 
 button.primary {
   background: #238636;
-  border-color: rgba(240, 246, 252, 0.1);
+  border-color: transparent;
   color: #ffffff;
 }
 
 button.primary:hover {
   background: #2ea043;
-  border-color: rgba(240, 246, 252, 0.1);
+  border-color: transparent;
 }
 
 button.primary-blue {
   background: var(--accent-strong);
-  border-color: rgba(240, 246, 252, 0.1);
+  border-color: transparent;
   color: #ffffff;
 }
 
 button.primary-blue:hover {
-  background: var(--accent);
-  border-color: rgba(240, 246, 252, 0.1);
+  background: #388bfd;
+  border-color: transparent;
 }
 
 button.danger {
-  border-color: rgba(248, 81, 73, 0.4);
+  border-color: rgba(248, 81, 73, 0.35);
   color: #f85149;
+  background: transparent;
 }
 
 button.danger:hover {
@@ -90,12 +117,12 @@ input,
 select,
 textarea {
   width: 100%;
-  padding: 5px 12px;
+  padding: 5px 10px;
   border-radius: var(--radius-md);
   border: 1px solid var(--border);
-  background: var(--bg-app);
+  background: rgba(0, 0, 0, 0.25);
   color: var(--text-main);
-  font-size: 14px;
+  font-size: 13px;
   transition: border-color 0.1s ease, box-shadow 0.1s ease;
 }
 
@@ -104,10 +131,10 @@ select:focus,
 textarea:focus {
   outline: none;
   border-color: var(--accent);
-  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.15);
+  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
 }
 
 textarea {
-  min-height: 96px;
+  min-height: 80px;
   resize: vertical;
 }

frontend/js/state.js

@@ -1,10 +1,16 @@
 import { loadSettings, saveSettings } from "./storage.js";
 
+const initialSettings = loadSettings();
+
 const state = {
-  settings: loadSettings(),
-  selectedRepoPath: "",
-  selectedRepoName: "",
+  settings: initialSettings,
+  selectedRepoPath: initialSettings.lastSelectedRepoPath || "",
+  selectedRepoName: initialSettings.lastSelectedRepoPath ? initialSettings.lastSelectedRepoPath.split(/[/\\]/).filter(Boolean).pop() || "" : "",
   repoSearch: "",
+  changesFilter: "",
+  historyFilter: "",
+  commitSummary: "",
+  commitDescription: "",
   localRepoPathInput: "",
   localRepoScanRootInput: "",
   localRepoScanResults: [],
@@ -13,6 +19,55 @@ const state = {
   cloneUrlInput: "",
   cloneDestinationInput: "",
   commitMessage: "",
+  workingTree: {
+    loading: false,
+    error: "",
+    branch: "",
+    upstream: "",
+    ahead: 0,
+    behind: 0,
+    files: [],
+    selectedPaths: new Set(),
+    selectedPath: "",
+    selectedDiff: null,
+    diffLoading: false,
+    diffError: "",
+  },
+  sync: {
+    loading: false,
+    error: "",
+    operation: "",
+    branch: "",
+    upstream: "",
+    upstreamRemote: "",
+    defaultRemote: "",
+    ahead: 0,
+    behind: 0,
+    hasRemote: false,
+    isDetached: false,
+    isUnpublished: false,
+    lastUpdated: 0,
+  },
+  branches: {
+    loading: false,
+    error: "",
+    items: [],
+    createName: "",
+    menuOpen: false,
+    dialog: {
+      mode: "",
+      target: "",
+      value: "",
+      error: "",
+    },
+  },
+  history: {
+    loading: false,
+    error: "",
+    commits: [],
+    selectedHash: "",
+    selectedCommit: null,
+  },
   viewer: {
     source: "",
     repoName: "",
@@ -47,7 +102,7 @@ export function addRecentRepo(path) {
   if (!path) return;
   const current = state.settings.recentRepositories.filter((item) => item !== path);
   const next = [path, ...current].slice(0, 15);
-  updateSettings({ recentRepositories: next });
+  updateSettings({ recentRepositories: next, lastSelectedRepoPath: path });
 }
 
 export function getActiveServer() {

frontend/js/storage.js

@@ -5,6 +5,9 @@ export function getDefaultSettings() {
     theme: "dark",
     gitExecutablePath: "",
     defaultCloneDirectory: "",
+    externalEditorPath: "",
+    autoFetchOnRepoOpen: false,
+    lastSelectedRepoPath: "",
     activeServerId: null,
     servers: [],
     recentRepositories: [],

frontend/js/tauri-api.js

@@ -25,6 +25,21 @@ export async function runGitPush(repoPath, gitPath) {
   return invoke("git_push", { repoPath, gitPath: gitPath || null });
 }
 
+export async function runGitPublishBranch(repoPath, remote, gitPath) {
+  ensureInvoke();
+  return invoke("git_publish_branch", { repoPath, remote: remote || null, gitPath: gitPath || null });
+}
+
+export async function runGitFetch(repoPath, gitPath) {
+  ensureInvoke();
+  return invoke("git_fetch", { repoPath, gitPath: gitPath || null });
+}
+
+export async function runGitSync(repoPath, gitPath) {
+  ensureInvoke();
+  return invoke("git_sync", { repoPath, gitPath: gitPath || null });
+}
+
 export async function runGitStatus(repoPath, gitPath) {
   ensureInvoke();
   return invoke("git_status", { repoPath, gitPath: gitPath || null });
@@ -35,6 +50,87 @@ export async function runGitBranch(repoPath, gitPath) {
   return invoke("git_branch", { repoPath, gitPath: gitPath || null });
 }
 
+export async function getWorkingTreeStatus(repoPath, gitPath) {
+  ensureInvoke();
+  return invoke("working_tree_status", { repoPath, gitPath: gitPath || null });
+}
+
+export async function getRepositorySyncStatus(repoPath, gitPath) {
+  ensureInvoke();
+  return invoke("repository_sync_status", { repoPath, gitPath: gitPath || null });
+}
+
+export async function getFileDiff(repoPath, path, status, gitPath) {
+  ensureInvoke();
+  return invoke("get_file_diff", { repoPath, path, status, gitPath: gitPath || null });
+}
+
+export async function stageFiles(repoPath, paths, gitPath) {
+  ensureInvoke();
+  return invoke("stage_files", { repoPath, paths, gitPath: gitPath || null });
+}
+
+export async function unstageFiles(repoPath, paths, gitPath) {
+  ensureInvoke();
+  return invoke("unstage_files", { repoPath, paths, gitPath: gitPath || null });
+}
+
+export async function commitChanges(repoPath, paths, summary, description, gitPath) {
+  ensureInvoke();
+  return invoke("commit_changes", {
+    repoPath,
+    paths,
+    summary,
+    description: description || null,
+    gitPath: gitPath || null,
+  });
+}
+
+export async function checkoutBranch(repoPath, branch, gitPath) {
+  ensureInvoke();
+  return invoke("checkout_branch", { repoPath, branch, gitPath: gitPath || null });
+}
+
+export async function createBranch(repoPath, branch, gitPath) {
+  ensureInvoke();
+  return invoke("create_branch", { repoPath, branch, gitPath: gitPath || null });
+}
+
+export async function deleteBranch(repoPath, branch, force, gitPath) {
+  ensureInvoke();
+  return invoke("delete_branch", { repoPath, branch, force: !!force, gitPath: gitPath || null });
+}
+
+export async function renameBranch(repoPath, oldBranch, newBranch, gitPath) {
+  ensureInvoke();
+  return invoke("rename_branch", {
+    repoPath,
+    oldBranch,
+    newBranch,
+    gitPath: gitPath || null,
+  });
+}
+
+export async function getCommitHistory(repoPath, limit, gitPath) {
+  ensureInvoke();
+  return invoke("commit_history", { repoPath, limit, gitPath: gitPath || null });
+}
+
+export async function getCommitDetail(repoPath, hash, gitPath) {
+  ensureInvoke();
+  return invoke("commit_detail", { repoPath, hash, gitPath: gitPath || null });
+}
+
+export async function openInFileExplorer(repoPath) {
+  ensureInvoke();
+  return invoke("open_in_file_explorer", { repoPath });
+}
+
+export async function openInExternalEditor(repoPath, editorPath) {
+  ensureInvoke();
+  return invoke("open_in_external_editor", { repoPath, editorPath });
+}
+
 export async function scanLocalRepos(roots = [], allowedRemoteUrls = [], gitPath = "", maxDepth = 4, maxResults = 200) {
   ensureInvoke();
   return invoke("scan_local_repos", {

src-tauri/src/lib.rs

@@ -59,6 +59,73 @@ struct LocalRepoCandidate {
     matched_remote_url: String,
 }
 
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitChangedFile {
+    path: String,
+    original_path: Option<String>,
+    x: String,
+    y: String,
+    status: String,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitStatusSummary {
+    branch: Option<String>,
+    upstream: Option<String>,
+    ahead: u32,
+    behind: u32,
+    files: Vec<GitChangedFile>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitRepositorySyncStatus {
+    branch: Option<String>,
+    upstream: Option<String>,
+    upstream_remote: Option<String>,
+    default_remote: Option<String>,
+    ahead: u32,
+    behind: u32,
+    has_remote: bool,
+    is_detached: bool,
+    is_unpublished: bool,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitFileDiff {
+    path: String,
+    diff: String,
+    is_binary: bool,
+    is_deleted: bool,
+    is_untracked: bool,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitCommitSummary {
+    hash: String,
+    short_hash: String,
+    title: String,
+    author: String,
+    date: String,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct GitCommitDetail {
+    hash: String,
+    short_hash: String,
+    title: String,
+    message: String,
+    author: String,
+    date: String,
+    files: Vec<GitChangedFile>,
+    diff: String,
+}
+
 fn normalize_api_base_url(server_url: &str) -> Result<String, String> {
     // Normalize user input so every backend consistently resolves to /api/v1.
     let trimmed = server_url.trim().trim_end_matches('/');
@@ -140,6 +207,223 @@ fn run_git_output(
     Ok(output.stdout)
 }
 
+fn ensure_git_success(result: GitCommandResult) -> Result<GitCommandResult, String> {
+    if result.success {
+        Ok(result)
+    } else if !result.stderr.is_empty() {
+        Err(result.stderr)
+    } else {
+        Err(format!("{} failed", result.command))
+    }
+}
+
+fn validate_repo_dir(repo_path: &str) -> Result<String, String> {
+    let path = repo_path.trim();
+    if path.is_empty() {
+        return Err("Repository path is required.".to_string());
+    }
+    let path_buf = PathBuf::from(path);
+    if !path_buf.exists() || !path_buf.is_dir() {
+        return Err(format!("Repository path does not exist: {path}"));
+    }
+    if !path_buf.join(".git").exists() {
+        return Err(format!("Selected path is not a Git repository: {path}"));
+    }
+    Ok(path.to_string())
+}
+
+fn validate_git_path(path: &str) -> Result<String, String> {
+    let normalized = normalize_repo_path(path)?;
+    if normalized.is_empty() {
+        return Err("File path is required.".to_string());
+    }
+    Ok(normalized)
+}
+
+fn status_kind(x: &str, y: &str) -> String {
+    match (x, y) {
+        ("?", "?") => "untracked",
+        ("U", _) | (_, "U") | ("A", "A") | ("D", "D") => "conflicted",
+        ("R", _) | (_, "R") => "renamed",
+        ("A", _) | (_, "A") => "added",
+        ("D", _) | (_, "D") => "deleted",
+        _ => "modified",
+    }
+    .to_string()
+}
+
+fn parse_porcelain_file(line: &str) -> Option<GitChangedFile> {
+    if line.len() < 4 {
+        return None;
+    }
+
+    let x = line.get(0..1)?.to_string();
+    let y = line.get(1..2)?.to_string();
+    let path_part = line.get(3..)?.trim();
+    if path_part.is_empty() {
+        return None;
+    }
+
+    let (path, original_path) =
+        if matches!(x.as_str(), "R" | "C") || matches!(y.as_str(), "R" | "C") {
+            if let Some((old_path, new_path)) = path_part.split_once(" -> ") {
+                (
+                    new_path.trim().to_string(),
+                    Some(old_path.trim().to_string()),
+                )
+            } else {
+                (path_part.to_string(), None)
+            }
+        } else {
+            (path_part.to_string(), None)
+        };
+
+    Some(GitChangedFile {
+        status: status_kind(&x, &y),
+        path,
+        original_path,
+        x,
+        y,
+    })
+}
+
+fn parse_branch_status(line: &str) -> (Option<String>, Option<String>, u32, u32) {
+    let value = line.trim_start_matches("## ").trim();
+    if value == "No commits yet on" {
+        return (None, None, 0, 0);
+    }
+
+    let (head, meta) = value
+        .split_once(" [")
+        .map(|(left, right)| (left, Some(right.trim_end_matches(']'))))
+        .unwrap_or((value, None));
+    let (branch, upstream) = head
+        .split_once("...")
+        .map(|(left, right)| (left.to_string(), Some(right.to_string())))
+        .unwrap_or((head.to_string(), None));
+
+    let mut ahead = 0;
+    let mut behind = 0;
+    if let Some(meta) = meta {
+        for part in meta.split(',').map(str::trim) {
+            if let Some(value) = part.strip_prefix("ahead ") {
+                ahead = value.parse().unwrap_or(0);
+            } else if let Some(value) = part.strip_prefix("behind ") {
+                behind = value.parse().unwrap_or(0);
+            }
+        }
+    }
+
+    (Some(branch), upstream, ahead, behind)
+}
+
+fn parse_porcelain_status(stdout: &str) -> GitStatusSummary {
+    let mut branch = None;
+    let mut upstream = None;
+    let mut ahead = 0;
+    let mut behind = 0;
+    let mut files = Vec::new();
+
+    for line in stdout.lines() {
+        if line.starts_with("## ") {
+            (branch, upstream, ahead, behind) = parse_branch_status(line);
+        } else if let Some(file) = parse_porcelain_file(line) {
+            files.push(file);
+        }
+    }
+
+    GitStatusSummary {
+        branch,
+        upstream,
+        ahead,
+        behind,
+        files,
+    }
+}
+
+fn git_output_text(
+    repo_path: &str,
+    git_path: Option<String>,
+    args: Vec<&str>,
+) -> Result<String, String> {
+    let result = ensure_git_success(run_git_command(
+        Some(repo_path),
+        git_path,
+        args.into_iter().map(str::to_string).collect(),
+    )?)?;
+    Ok(result.stdout.trim().to_string())
+}
+
+fn git_output_text_optional(
+    repo_path: &str,
+    git_path: Option<String>,
+    args: Vec<&str>,
+) -> Option<String> {
+    git_output_text(repo_path, git_path, args)
+        .ok()
+        .map(|value| value.trim().to_string())
+        .filter(|value| !value.is_empty())
+}
+
+fn parse_remote_names(stdout: &str) -> Vec<String> {
+    stdout
+        .lines()
+        .map(str::trim)
+        .filter(|line| !line.is_empty())
+        .map(ToString::to_string)
+        .collect()
+}
+
+fn split_upstream_remote(upstream: &str) -> Option<String> {
+    upstream
+        .split_once('/')
+        .map(|(remote, _)| remote.to_string())
+        .filter(|remote| !remote.is_empty())
+}
+
+fn ahead_behind_counts(repo_path: &str, git_path: Option<String>) -> (u32, u32) {
+    let Some(stdout) = git_output_text_optional(
+        repo_path,
+        git_path,
+        vec!["rev-list", "--left-right", "--count", "HEAD...@{u}"],
+    ) else {
+        return (0, 0);
+    };
+
+    let mut parts = stdout.split_whitespace();
+    let ahead = parts
+        .next()
+        .and_then(|value| value.parse().ok())
+        .unwrap_or(0);
+    let behind = parts
+        .next()
+        .and_then(|value| value.parse().ok())
+        .unwrap_or(0);
+    (ahead, behind)
+}
+
+fn command_with_paths(base_args: &[&str], paths: Vec<String>) -> Result<Vec<String>, String> {
+    if paths.is_empty() {
+        return Err("At least one file must be selected.".to_string());
+    }
+
+    let mut args = base_args
+        .iter()
+        .map(|value| value.to_string())
+        .collect::<Vec<_>>();
+    args.push("--".to_string());
+    for path in paths {
+        args.push(validate_git_path(&path)?);
+    }
+    Ok(args)
+}
+
+fn is_binary_file(path: &Path) -> bool {
+    fs::read(path)
+        .map(|content| content.contains(&0))
+        .unwrap_or(false)
+}
+
 fn normalize_repo_path(path: &str) -> Result<String, String> {
     let trimmed = path.trim().trim_matches('/');
     if trimmed.contains('\\') || trimmed.contains('\0') {
@@ -402,12 +686,52 @@ fn git_clone(
 
 #[tauri::command]
 fn git_pull(repo_path: String, git_path: Option<String>) -> Result<GitCommandResult, String> {
-    run_git_command(Some(repo_path.trim()), git_path, vec!["pull".to_string()])
+    let repo_path = validate_repo_dir(&repo_path)?;
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["pull".to_string()],
+    )?)
 }
 
 #[tauri::command]
 fn git_push(repo_path: String, git_path: Option<String>) -> Result<GitCommandResult, String> {
-    run_git_command(Some(repo_path.trim()), git_path, vec!["push".to_string()])
+    let repo_path = validate_repo_dir(&repo_path)?;
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["push".to_string()],
+    )?)
+}
+
+#[tauri::command]
+fn git_publish_branch(
+    repo_path: String,
+    remote: Option<String>,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let status = repository_sync_status(repo_path.clone(), git_path.clone())?;
+    if status.is_detached {
+        return Err("Cannot publish a detached HEAD.".to_string());
+    }
+
+    let branch = status
+        .branch
+        .ok_or_else(|| "Cannot determine the current branch.".to_string())?;
+    let remote = remote
+        .as_deref()
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .or(status.default_remote.as_deref())
+        .ok_or_else(|| "No Git remote is configured for this repository.".to_string())?
+        .to_string();
+
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["push".to_string(), "-u".to_string(), remote, branch],
+    )?)
 }
 
 #[tauri::command]
@@ -432,6 +756,509 @@ fn git_branch(repo_path: String, git_path: Option<String>) -> Result<GitCommandR
     )
 }
 
+#[tauri::command]
+fn git_fetch(repo_path: String, git_path: Option<String>) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["fetch".to_string(), "--prune".to_string()],
+    )?)
+}
+
+#[tauri::command]
+fn git_sync(repo_path: String, git_path: Option<String>) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let fetch = ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path.clone(),
+        vec!["fetch".to_string(), "--prune".to_string()],
+    )?)?;
+    let pull = ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path.clone(),
+        vec!["pull".to_string()],
+    )?)?;
+    let push = ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["push".to_string()],
+    )?)?;
+
+    Ok(GitCommandResult {
+        command: "git fetch --prune && git pull && git push".to_string(),
+        stdout: [fetch.stdout, pull.stdout, push.stdout]
+            .into_iter()
+            .filter(|value| !value.is_empty())
+            .collect::<Vec<_>>()
+            .join("\n\n"),
+        stderr: [fetch.stderr, pull.stderr, push.stderr]
+            .into_iter()
+            .filter(|value| !value.is_empty())
+            .collect::<Vec<_>>()
+            .join("\n\n"),
+        success: true,
+    })
+}
+
+#[tauri::command]
+fn repository_sync_status(
+    repo_path: String,
+    git_path: Option<String>,
+) -> Result<GitRepositorySyncStatus, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+
+    let branch_output = git_output_text(
+        &repo_path,
+        git_path.clone(),
+        vec!["rev-parse", "--abbrev-ref", "HEAD"],
+    )?;
+    let is_detached = branch_output == "HEAD";
+    let branch = if is_detached {
+        None
+    } else {
+        Some(branch_output)
+    };
+
+    let upstream = git_output_text_optional(
+        &repo_path,
+        git_path.clone(),
+        vec!["rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}"],
+    );
+    let upstream_remote = upstream.as_deref().and_then(split_upstream_remote);
+    let (ahead, behind) = if upstream.is_some() {
+        ahead_behind_counts(&repo_path, git_path.clone())
+    } else {
+        (0, 0)
+    };
+
+    let remotes = git_output_text_optional(&repo_path, git_path, vec!["remote"])
+        .map(|stdout| parse_remote_names(&stdout))
+        .unwrap_or_default();
+    let default_remote = remotes
+        .iter()
+        .find(|remote| remote.as_str() == "origin")
+        .or_else(|| remotes.first())
+        .cloned();
+    let has_remote = default_remote.is_some();
+    let is_unpublished = branch.is_some() && upstream.is_none() && has_remote && !is_detached;
+
+    Ok(GitRepositorySyncStatus {
+        branch,
+        upstream,
+        upstream_remote,
+        default_remote,
+        ahead,
+        behind,
+        has_remote,
+        is_detached,
+        is_unpublished,
+    })
+}
+
+#[tauri::command]
+fn working_tree_status(
+    repo_path: String,
+    git_path: Option<String>,
+) -> Result<GitStatusSummary, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let result = ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec![
+            "status".to_string(),
+            "--porcelain=v1".to_string(),
+            "--branch".to_string(),
+            "--renames".to_string(),
+        ],
+    )?)?;
+    Ok(parse_porcelain_status(&result.stdout))
+}
+
+#[tauri::command]
+fn get_file_diff(
+    repo_path: String,
+    path: String,
+    status: Option<String>,
+    git_path: Option<String>,
+) -> Result<GitFileDiff, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let file_path = validate_git_path(&path)?;
+    let status = status.unwrap_or_default();
+    let is_untracked = status == "untracked";
+    let is_deleted = status == "deleted";
+
+    if is_untracked {
+        let absolute_path = PathBuf::from(&repo_path).join(&file_path);
+        if is_binary_file(&absolute_path) {
+            return Ok(GitFileDiff {
+                path: file_path,
+                diff: "Binary file. Diff preview is not available for untracked binary files."
+                    .to_string(),
+                is_binary: true,
+                is_deleted: false,
+                is_untracked: true,
+            });
+        }
+        let content = fs::read_to_string(&absolute_path)
+            .map_err(|err| format!("Unable to read untracked file: {err}"))?;
+        let diff = format!(
+            "diff --git a/{0} b/{0}\nnew file mode 100644\n--- /dev/null\n+++ b/{0}\n{1}",
+            file_path,
+            content
+                .lines()
+                .map(|line| format!("+{line}"))
+                .collect::<Vec<_>>()
+                .join("\n")
+        );
+        return Ok(GitFileDiff {
+            path: file_path,
+            diff,
+            is_binary: false,
+            is_deleted: false,
+            is_untracked: true,
+        });
+    }
+
+    let output = run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec![
+            "diff".to_string(),
+            "--no-ext-diff".to_string(),
+            "--".to_string(),
+            file_path.clone(),
+        ],
+    )?;
+    let mut diff = output.stdout;
+    if diff.is_empty() {
+        diff = output.stderr;
+    }
+    let is_binary = diff.contains("Binary files") || diff.contains("GIT binary patch");
+    Ok(GitFileDiff {
+        path: file_path,
+        diff: if diff.is_empty() {
+            "No unstaged diff is available for this file.".to_string()
+        } else {
+            diff
+        },
+        is_binary,
+        is_deleted,
+        is_untracked: false,
+    })
+}
+
+#[tauri::command]
+fn stage_files(
+    repo_path: String,
+    paths: Vec<String>,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let args = command_with_paths(&["add"], paths)?;
+    ensure_git_success(run_git_command(Some(&repo_path), git_path, args)?)
+}
+
+#[tauri::command]
+fn unstage_files(
+    repo_path: String,
+    paths: Vec<String>,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let args = command_with_paths(&["restore", "--staged"], paths)?;
+    ensure_git_success(run_git_command(Some(&repo_path), git_path, args)?)
+}
+
+#[tauri::command]
+fn commit_changes(
+    repo_path: String,
+    paths: Vec<String>,
+    summary: String,
+    description: Option<String>,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let summary = summary.trim();
+    if summary.is_empty() {
+        return Err("Commit summary is required.".to_string());
+    }
+
+    let paths = paths
+        .into_iter()
+        .map(|path| validate_git_path(&path))
+        .collect::<Result<Vec<_>, _>>()?;
+    if paths.is_empty() {
+        return Err("Select at least one file to commit.".to_string());
+    }
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path.clone(),
+        command_with_paths(&["add"], paths.clone())?,
+    )?)?;
+
+    let mut args = vec!["commit".to_string(), "--only".to_string()];
+    args.push("-m".to_string());
+    args.push(summary.to_string());
+    if let Some(description) = description
+        .as_deref()
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+    {
+        args.push("-m".to_string());
+        args.push(description.to_string());
+    }
+    args.push("--".to_string());
+    for path in paths {
+        args.push(path);
+    }
+
+    ensure_git_success(run_git_command(Some(&repo_path), git_path, args)?)
+}
+
+#[tauri::command]
+fn checkout_branch(
+    repo_path: String,
+    branch: String,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let branch = normalize_reference(&branch)?;
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["checkout".to_string(), branch],
+    )?)
+}
+
+#[tauri::command]
+fn create_branch(
+    repo_path: String,
+    branch: String,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let branch = normalize_reference(&branch)?;
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec!["checkout".to_string(), "-b".to_string(), branch],
+    )?)
+}
+
+#[tauri::command]
+fn delete_branch(
+    repo_path: String,
+    branch: String,
+    force: Option<bool>,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let branch = normalize_reference(&branch)?;
+    let current = run_git_output(
+        &repo_path,
+        git_path.clone(),
+        vec![
+            "rev-parse".to_string(),
+            "--abbrev-ref".to_string(),
+            "HEAD".to_string(),
+        ],
+    )?;
+    if String::from_utf8_lossy(&current).trim() == branch {
+        return Err("Cannot delete the current branch.".to_string());
+    }
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec![
+            "branch".to_string(),
+            if force.unwrap_or(false) { "-D" } else { "-d" }.to_string(),
+            branch,
+        ],
+    )?)
+}
+
+#[tauri::command]
+fn rename_branch(
+    repo_path: String,
+    old_branch: String,
+    new_branch: String,
+    git_path: Option<String>,
+) -> Result<GitCommandResult, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let old_branch = normalize_reference(&old_branch)?;
+    let new_branch = normalize_reference(&new_branch)?;
+    if old_branch == new_branch {
+        return Err("Choose a different branch name.".to_string());
+    }
+    ensure_git_success(run_git_command(
+        Some(&repo_path),
+        git_path,
+        vec![
+            "branch".to_string(),
+            "-m".to_string(),
+            old_branch,
+            new_branch,
+        ],
+    )?)
+}
+
+#[tauri::command]
+fn commit_history(
+    repo_path: String,
+    limit: Option<u32>,
+    git_path: Option<String>,
+) -> Result<Vec<GitCommitSummary>, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let max_count = limit.unwrap_or(100).clamp(1, 500).to_string();
+    let output = run_git_output(
+        &repo_path,
+        git_path,
+        vec![
+            "log".to_string(),
+            format!("--max-count={max_count}"),
+            "--date=short".to_string(),
+            "--pretty=format:%H%x1f%h%x1f%an%x1f%ad%x1f%s%x1e".to_string(),
+        ],
+    )?;
+    let commits = String::from_utf8_lossy(&output)
+        .split('\x1e')
+        .filter_map(|record| {
+            let fields = record.trim_matches('\n').split('\x1f').collect::<Vec<_>>();
+            if fields.len() < 5 {
+                return None;
+            }
+            Some(GitCommitSummary {
+                hash: fields[0].to_string(),
+                short_hash: fields[1].to_string(),
+                author: fields[2].to_string(),
+                date: fields[3].to_string(),
+                title: fields[4].to_string(),
+            })
+        })
+        .collect();
+    Ok(commits)
+}
+
+#[tauri::command]
+fn commit_detail(
+    repo_path: String,
+    hash: String,
+    git_path: Option<String>,
+) -> Result<GitCommitDetail, String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let hash = normalize_reference(&hash)?;
+    let meta = run_git_output(
+        &repo_path,
+        git_path.clone(),
+        vec![
+            "show".to_string(),
+            "--quiet".to_string(),
+            "--date=short".to_string(),
+            "--pretty=format:%H%x1f%h%x1f%an%x1f%ad%x1f%s%x1f%B".to_string(),
+            hash.clone(),
+        ],
+    )?;
+    let meta_text = String::from_utf8_lossy(&meta);
+    let fields = meta_text.splitn(6, '\x1f').collect::<Vec<_>>();
+    if fields.len() < 6 {
+        return Err("Unable to parse commit metadata.".to_string());
+    }
+    let files_output = run_git_output(
+        &repo_path,
+        git_path.clone(),
+        vec![
+            "show".to_string(),
+            "--name-status".to_string(),
+            "--pretty=format:".to_string(),
+            hash.clone(),
+        ],
+    )?;
+    let files = String::from_utf8_lossy(&files_output)
+        .lines()
+        .filter_map(|line| {
+            let mut parts = line.split('\t');
+            let status_code = parts.next()?.chars().next()?.to_string();
+            let first_path = parts.next()?.to_string();
+            let second_path = parts.next().map(ToString::to_string);
+            let path = second_path.clone().unwrap_or_else(|| first_path.clone());
+            Some(GitChangedFile {
+                status: status_kind(&status_code, " "),
+                path,
+                original_path: second_path.map(|_| first_path),
+                x: status_code,
+                y: " ".to_string(),
+            })
+        })
+        .collect();
+    let diff = run_git_output(
+        &repo_path,
+        git_path,
+        vec![
+            "show".to_string(),
+            "--format=".to_string(),
+            "--no-ext-diff".to_string(),
+            hash,
+        ],
+    )
+    .map(|output| String::from_utf8_lossy(&output).trim().to_string())
+    .unwrap_or_default();
+
+    Ok(GitCommitDetail {
+        hash: fields[0].to_string(),
+        short_hash: fields[1].to_string(),
+        author: fields[2].to_string(),
+        date: fields[3].to_string(),
+        title: fields[4].to_string(),
+        message: fields[5].trim().to_string(),
+        files,
+        diff,
+    })
+}
+
+#[tauri::command]
+fn open_in_file_explorer(repo_path: String) -> Result<(), String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    #[cfg(target_os = "windows")]
+    let mut command = {
+        let mut cmd = Command::new("explorer");
+        cmd.arg(&repo_path);
+        cmd
+    };
+    #[cfg(target_os = "macos")]
+    let mut command = {
+        let mut cmd = Command::new("open");
+        cmd.arg(&repo_path);
+        cmd
+    };
+    #[cfg(all(unix, not(target_os = "macos")))]
+    let mut command = {
+        let mut cmd = Command::new("xdg-open");
+        cmd.arg(&repo_path);
+        cmd
+    };
+
+    command
+        .spawn()
+        .map_err(|err| format!("Failed to open file explorer: {err}"))?;
+    Ok(())
+}
+
+#[tauri::command]
+fn open_in_external_editor(repo_path: String, editor_path: String) -> Result<(), String> {
+    let repo_path = validate_repo_dir(&repo_path)?;
+    let editor_path = editor_path.trim();
+    if editor_path.is_empty() {
+        return Err("Configure an external editor command in Settings first.".to_string());
+    }
+
+    Command::new(editor_path)
+        .arg(repo_path)
+        .spawn()
+        .map_err(|err| format!("Failed to open external editor: {err}"))?;
+    Ok(())
+}
+
 #[tauri::command]
 fn scan_local_repos(
     roots: Option<Vec<String>>,
@@ -736,8 +1563,25 @@ pub fn run() {
             git_clone,
             git_pull,
             git_push,
+            git_publish_branch,
             git_status,
             git_branch,
+            git_fetch,
+            git_sync,
+            repository_sync_status,
+            working_tree_status,
+            get_file_diff,
+            stage_files,
+            unstage_files,
+            commit_changes,
+            checkout_branch,
+            create_branch,
+            delete_branch,
+            rename_branch,
+            commit_history,
+            commit_detail,
+            open_in_file_explorer,
+            open_in_external_editor,
             scan_local_repos,
             local_repo_branches,
             local_repo_tree,