Initial upload: DevDash CLI with TUI dashboard

src/git/status.py

@@ -0,0 +1,96 @@
+from dataclasses import dataclass
+from typing import List, Optional
+import subprocess
+
+
+class GitStatusError(Exception):
+    pass
+
+
+def _run_git_command(args: List[str], cwd: str = None) -> str:
+    try:
+        result = subprocess.run(
+            ["git"] + args,
+            cwd=cwd,
+            capture_output=True,
+            text=True,
+            check=True,
+        )
+        return result.stdout.strip()
+    except subprocess.CalledProcessError as e:
+        raise GitStatusError(f"Git command failed: {e}")
+
+
+def _get_current_branch(cwd: str = None) -> str:
+    try:
+        return _run_git_command(["rev-parse", "--abbrev-ref", "HEAD"], cwd)
+    except GitStatusError:
+        return "HEAD"
+
+
+def _get_commit_hash(cwd: str = None) -> str:
+    return _run_git_command(["rev-parse", "SHORT"], cwd)
+
+
+def _is_detached(cwd: str = None) -> bool:
+    branch = _get_current_branch(cwd)
+    return branch == "HEAD"
+
+
+def _get_staged_count(cwd: str = None) -> int:
+    output = _run_git_command(["diff", "--staged", "--name-only"], cwd)
+    return len(output.splitlines()) if output else 0
+
+
+def _get_unstaged_count(cwd: str = None) -> int:
+    output = _run_git_command(["diff", "--name-only"], cwd)
+    return len(output.splitlines()) if output else 0
+
+
+def _get_untracked_count(cwd: str = None) -> int:
+    output = _run_git_command(["ls-files", "--others", "--exclude-standard"], cwd)
+    return len(output.splitlines()) if output else 0
+
+
+@dataclass
+class GitStatus:
+    branch: str
+    commit: str
+    staged: int = 0
+    unstaged: int = 0
+    untracked: int = 0
+    ahead: int = 0
+    behind: int = 0
+    is_detached: bool = False
+    is_clean: bool = True
+
+
+def get_git_status(cwd: str = None) -> GitStatus:
+    try:
+        is_detached_head = _is_detached(cwd)
+        branch = "(detached)" if is_detached_head else _get_current_branch(cwd)
+        commit = _get_commit_hash(cwd)
+        staged = _get_staged_count(cwd)
+        unstaged = _get_unstaged_count(cwd)
+        untracked = _get_untracked_count(cwd)
+        is_clean = (staged == 0 and unstaged == 0 and untracked == 0)
+
+        return GitStatus(
+            branch=branch,
+            commit=commit,
+            staged=staged,
+            unstaged=unstaged,
+            untracked=untracked,
+            is_detached=is_detached_head,
+            is_clean=is_clean,
+        )
+    except GitStatusError:
+        raise GitStatusError("Failed to get git status")
+
+
+def is_git_repo(cwd: str = None) -> bool:
+    try:
+        _run_git_command(["rev-parse", "--git-dir"], cwd)
+        return True
+    except GitStatusError:
+        return False