Add delete and update commands for project management

cobot/commands/update.py

@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+import argparse
+import subprocess
+from pathlib import Path
+
+from textual.app import App
+
+from cobot.tui import SCREEN_CSS, LogScreen
+
+_PROJECT_DIR = Path(__file__).parent.parent.parent
+
+
+def _task_update(screen: LogScreen) -> None:
+    try:
+        # Current branch
+        branch = subprocess.check_output(
+            ["git", "rev-parse", "--abbrev-ref", "HEAD"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip()
+        screen.write(f"[cyan][*][/cyan] Branch: [bold]{branch}[/bold]")
+
+        # Fetch
+        screen.write("[cyan][*][/cyan] Fetching from remote...")
+        fetch = subprocess.run(
+            ["git", "fetch", "origin"],
+            cwd=_PROJECT_DIR, capture_output=True, text=True,
+        )
+        if fetch.returncode != 0:
+            screen.write(f"[red]Fetch failed:[/red] {fetch.stderr.strip()}")
+            screen.finish(False)
+            return
+
+        # Check how many commits behind
+        behind = subprocess.check_output(
+            ["git", "rev-list", f"HEAD..origin/{branch}", "--count"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip()
+
+        if behind == "0":
+            screen.write("[green][ok][/green] Already up to date.")
+            screen.finish(True)
+            return
+
+        # Show incoming commits
+        screen.write(f"\n[bold]{behind} new commit(s):[/bold]")
+        log_lines = subprocess.check_output(
+            ["git", "log", f"HEAD..origin/{branch}", "--oneline"],
+            cwd=_PROJECT_DIR, text=True,
+        ).strip().splitlines()
+        for line in log_lines:
+            screen.write(f"  [dim]{line}[/dim]")
+
+        # Pull
+        screen.write("\n[cyan][*][/cyan] Pulling changes...")
+        proc = subprocess.Popen(
+            ["git", "pull", "origin", branch],
+            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+            text=True, cwd=_PROJECT_DIR,
+        )
+        for line in proc.stdout:
+            s = line.rstrip()
+            if s:
+                screen.write(s)
+        proc.wait()
+        if proc.returncode != 0:
+            screen.write("[red]Pull failed.[/red]")
+            screen.finish(False)
+            return
+
+        # Reinstall in case dependencies changed
+        screen.write("\n[cyan][*][/cyan] Reinstalling cobot CLI...")
+        reinstall = subprocess.run(
+            ["uv", "tool", "install", "--editable", str(_PROJECT_DIR)],
+            capture_output=True, text=True,
+        )
+        if reinstall.returncode == 0:
+            screen.write("[green][ok][/green] cobot reinstalled")
+        else:
+            screen.write(f"[yellow]Warning:[/yellow] reinstall failed — {reinstall.stderr.strip()}")
+
+        screen.write("\n[green]Project updated successfully.[/green]")
+        screen.finish(True)
+
+    except Exception as exc:
+        screen.write(f"\n[red]Error:[/red] {exc}")
+        screen.finish(False)
+
+
+class _UpdateApp(App[None]):
+    CSS = SCREEN_CSS
+
+    def on_mount(self) -> None:
+        self.push_screen(
+            LogScreen("Updating project", _task_update),
+            lambda _: self.exit(),
+        )
+
+
+def register(subparsers: argparse._SubParsersAction) -> None:
+    p = subparsers.add_parser("update", help="Pull latest changes from the remote git branch")
+    p.set_defaults(func=run)
+
+
+def run(args: argparse.Namespace) -> None:
+    _UpdateApp().run()