feat: add copy file name/path to git file menu

src/features/git/components/GitDiffPanel.test.tsx

@@ -8,6 +8,7 @@ const menuNew = vi.hoisted(() =>
   vi.fn(async ({ items }) => ({ popup: vi.fn(), items })),
 );
 const menuItemNew = vi.hoisted(() => vi.fn(async (options) => options));
+const clipboardWriteText = vi.hoisted(() => vi.fn());
 
 vi.mock("@tauri-apps/api/menu", () => ({
   Menu: { new: menuNew },
@@ -44,6 +45,11 @@ vi.mock("../../../services/toasts", () => ({
   pushErrorToast: vi.fn(),
 }));
 
+Object.defineProperty(navigator, "clipboard", {
+  value: { writeText: (...args: unknown[]) => clipboardWriteText(...args) },
+  configurable: true,
+});
+
 const logEntries: GitLogEntry[] = [];
 
 const baseProps = {
@@ -82,6 +88,7 @@ describe("GitDiffPanel", () => {
   });
 
   it("adds a show in finder option for file context menus", async () => {
+    clipboardWriteText.mockClear();
     const { container } = render(
       <GitDiffPanel
         {...baseProps}
@@ -108,6 +115,42 @@ describe("GitDiffPanel", () => {
     expect(revealItemInDir).toHaveBeenCalledWith("/tmp/repo/src/sample.ts");
   });
 
+  it("copies file name and path from the context menu", async () => {
+    clipboardWriteText.mockClear();
+    const { container } = render(
+      <GitDiffPanel
+        {...baseProps}
+        workspacePath="/tmp/repo"
+        gitRoot="/tmp/repo"
+        unstagedFiles={[
+          { path: "src/sample.ts", status: "M", additions: 1, deletions: 0 },
+        ]}
+      />,
+    );
+
+    const row = container.querySelector(".diff-row");
+    expect(row).not.toBeNull();
+    fireEvent.contextMenu(row as Element);
+
+    await waitFor(() => expect(menuNew).toHaveBeenCalled());
+    const menuArgs = menuNew.mock.calls[menuNew.mock.calls.length - 1]?.[0];
+    const copyNameItem = menuArgs.items.find(
+      (item: { text: string }) => item.text === "Copy file name",
+    );
+    const copyPathItem = menuArgs.items.find(
+      (item: { text: string }) => item.text === "Copy file path",
+    );
+
+    expect(copyNameItem).toBeDefined();
+    expect(copyPathItem).toBeDefined();
+
+    await copyNameItem.action();
+    await copyPathItem.action();
+
+    expect(clipboardWriteText).toHaveBeenCalledWith("sample.ts");
+    expect(clipboardWriteText).toHaveBeenCalledWith("src/sample.ts");
+  });
+
   it("resolves relative git roots against the workspace path", async () => {
     revealItemInDir.mockClear();
     menuNew.mockClear();
@@ -136,4 +179,62 @@ describe("GitDiffPanel", () => {
     await revealItem.action();
     expect(revealItemInDir).toHaveBeenCalledWith("/tmp/repo/apps/src/sample.ts");
   });
+
+  it("copies file path relative to the workspace root", async () => {
+    clipboardWriteText.mockClear();
+    const { container } = render(
+      <GitDiffPanel
+        {...baseProps}
+        workspacePath="/tmp/repo"
+        gitRoot="apps"
+        unstagedFiles={[
+          { path: "src/sample.ts", status: "M", additions: 1, deletions: 0 },
+        ]}
+      />,
+    );
+
+    const row = container.querySelector(".diff-row");
+    expect(row).not.toBeNull();
+    fireEvent.contextMenu(row as Element);
+
+    await waitFor(() => expect(menuNew).toHaveBeenCalled());
+    const menuArgs = menuNew.mock.calls[menuNew.mock.calls.length - 1]?.[0];
+    const copyPathItem = menuArgs.items.find(
+      (item: { text: string }) => item.text === "Copy file path",
+    );
+
+    expect(copyPathItem).toBeDefined();
+    await copyPathItem.action();
+
+    expect(clipboardWriteText).toHaveBeenCalledWith("apps/src/sample.ts");
+  });
+
+  it("does not trim paths when the git root only shares a prefix", async () => {
+    clipboardWriteText.mockClear();
+    const { container } = render(
+      <GitDiffPanel
+        {...baseProps}
+        workspacePath="/tmp/repo"
+        gitRoot="/tmp/repo-tools"
+        unstagedFiles={[
+          { path: "src/sample.ts", status: "M", additions: 1, deletions: 0 },
+        ]}
+      />,
+    );
+
+    const row = container.querySelector(".diff-row");
+    expect(row).not.toBeNull();
+    fireEvent.contextMenu(row as Element);
+
+    await waitFor(() => expect(menuNew).toHaveBeenCalled());
+    const menuArgs = menuNew.mock.calls[menuNew.mock.calls.length - 1]?.[0];
+    const copyPathItem = menuArgs.items.find(
+      (item: { text: string }) => item.text === "Copy file path",
+    );
+
+    expect(copyPathItem).toBeDefined();
+    await copyPathItem.action();
+
+    expect(clipboardWriteText).toHaveBeenCalledWith("src/sample.ts");
+  });
 });

src/features/git/components/GitDiffPanel.tsx

@@ -146,6 +146,29 @@ function normalizeRootPath(value: string | null | undefined) {
   return value.replace(/\\/g, "/").replace(/\/+$/, "");
 }
 
+function normalizeSegment(segment: string) {
+  return /^[A-Za-z]:$/.test(segment) ? segment.toLowerCase() : segment;
+}
+
+function getRelativePathWithin(base: string, target: string) {
+  const normalizedBase = normalizeRootPath(base);
+  const normalizedTarget = normalizeRootPath(target);
+  if (!normalizedBase || !normalizedTarget) {
+    return null;
+  }
+  const baseSegments = normalizedBase.split("/").filter(Boolean);
+  const targetSegments = normalizedTarget.split("/").filter(Boolean);
+  if (baseSegments.length > targetSegments.length) {
+    return null;
+  }
+  for (let index = 0; index < baseSegments.length; index += 1) {
+    if (normalizeSegment(baseSegments[index]) !== normalizeSegment(targetSegments[index])) {
+      return null;
+    }
+  }
+  return targetSegments.slice(baseSegments.length).join("/");
+}
+
 function isAbsolutePath(value: string) {
   return value.startsWith("/") || /^[A-Za-z]:\//.test(value);
 }
@@ -170,6 +193,12 @@ function joinRootAndPath(root: string, relativePath: string) {
   return `${normalizedRoot}/${normalizedPath}`;
 }
 
+function getFileName(value: string) {
+  const normalized = value.replace(/\\/g, "/");
+  const segments = normalized.split("/");
+  return segments[segments.length - 1] || normalized;
+}
+
 function getStatusSymbol(status: string) {
   switch (status) {
     case "A":
@@ -1046,6 +1075,13 @@ export function GitDiffPanel({
         const absolutePath = resolvedRoot
           ? joinRootAndPath(resolvedRoot, rawPath)
           : rawPath;
+        const relativeRoot =
+          workspacePath && resolvedRoot
+            ? getRelativePathWithin(workspacePath, resolvedRoot)
+            : null;
+        const projectRelativePath =
+          relativeRoot !== null ? joinRootAndPath(relativeRoot, rawPath) : rawPath;
+        const fileName = getFileName(rawPath);
         items.push(
           await MenuItem.new({
             text: "Show in Finder",
@@ -1077,6 +1113,20 @@ export function GitDiffPanel({
             },
           }),
         );
+        items.push(
+          await MenuItem.new({
+            text: "Copy file name",
+            action: async () => {
+              await navigator.clipboard.writeText(fileName);
+            },
+          }),
+          await MenuItem.new({
+            text: "Copy file path",
+            action: async () => {
+              await navigator.clipboard.writeText(projectRelativePath);
+            },
+          }),
+        );
       }
 
       // Revert action for all selected files