Add Git validations for publishing tools (#1381)

This commit prevents tools from being published if the underlying Git
repository is unsynced with origin.

src/crewai/cli/git.py

@@ -0,0 +1,80 @@
+import subprocess
+
+
+class Repository:
+    def __init__(self, path="."):
+        self.path = path
+
+        if not self.is_git_installed():
+            raise ValueError("Git is not installed or not found in your PATH.")
+
+        if not self.is_git_repo():
+            raise ValueError(f"{self.path} is not a Git repository.")
+
+        self.fetch()
+
+    def is_git_installed(self) -> bool:
+        """Check if Git is installed and available in the system."""
+        try:
+            subprocess.run(
+                ["git", "--version"], capture_output=True, check=True, text=True
+            )
+            return True
+        except (subprocess.CalledProcessError, FileNotFoundError):
+            return False
+
+    def fetch(self) -> None:
+        """Fetch latest updates from the remote."""
+        subprocess.run(["git", "fetch"], cwd=self.path, check=True)
+
+    def status(self) -> str:
+        """Get the git status in porcelain format."""
+        return subprocess.check_output(
+            ["git", "status", "--branch", "--porcelain"],
+            cwd=self.path,
+            encoding="utf-8",
+        ).strip()
+
+    def is_git_repo(self) -> bool:
+        """Check if the current directory is a git repository."""
+        try:
+            subprocess.check_output(
+                ["git", "rev-parse", "--is-inside-work-tree"],
+                cwd=self.path,
+                encoding="utf-8",
+            )
+            return True
+        except subprocess.CalledProcessError:
+            return False
+
+    def has_uncommitted_changes(self) -> bool:
+        """Check if the repository has uncommitted changes."""
+        return len(self.status().splitlines()) > 1
+
+    def is_ahead_or_behind(self) -> bool:
+        """Check if the repository is ahead or behind the remote."""
+        for line in self.status().splitlines():
+            if line.startswith("##") and ("ahead" in line or "behind" in line):
+                return True
+        return False
+
+    def is_synced(self) -> bool:
+        """Return True if the Git repository is fully synced with the remote, False otherwise."""
+        if self.has_uncommitted_changes() or self.is_ahead_or_behind():
+            return False
+        else:
+            return True
+
+    def origin_url(self) -> str | None:
+        """Get the Git repository's remote URL."""
+        try:
+            result = subprocess.run(
+                ["git", "remote", "get-url", "origin"],
+                cwd=self.path,
+                capture_output=True,
+                text=True,
+                check=True,
+            )
+            return result.stdout.strip()
+        except subprocess.CalledProcessError:
+            return None