fix: no-git support for dependency resolver (#1368)

* feat: introducing support for no-git

refactor: lint

* feat: added support for validating git repos

* refactor: removed formatting changes

bench/app.py

@@ -1,5 +1,4 @@
 # imports - standard imports
-from functools import lru_cache
 import json
 import logging
 import os
@@ -10,11 +9,12 @@ import sys
 import typing
 from collections import OrderedDict
 from datetime import date
+from functools import lru_cache
 from urllib.parse import urlparse
 
 # imports - third party imports
 import click
-from git import Repo
+import git
 
 # imports - module imports
 import bench
@@ -66,12 +66,21 @@ class AppMeta:
 		self.branch = branch
 		self.app_name = None
 		self.git_repo = None
+		self.is_repo = (
+			is_git_repo(app_path=get_repo_dir(self.name))
+			if os.path.exists(get_repo_dir(self.name))
+			else True
+		)
 		self.mount_path = os.path.abspath(
 			os.path.join(urlparse(self.name).netloc, urlparse(self.name).path)
 		)
 		self.setup_details()
 
 	def setup_details(self):
+		# support for --no-git
+		if not self.is_repo:
+			self.repo = self.app_name = self.name
+			return
 		# fetch meta from installed apps
 		if self.bench and os.path.exists(os.path.join(self.bench.name, "apps", self.name)):
 			self.mount_path = os.path.join(self.bench.name, "apps", self.name)
@@ -99,7 +108,7 @@ class AppMeta:
 
 	def _setup_details_from_mounted_disk(self):
 		# If app is a git repo
-		self.git_repo = Repo(self.mount_path)
+		self.git_repo = git.Repo(self.mount_path)
 		try:
 			self._setup_details_from_git_url(self.git_repo.remotes[0].url)
 			if not (self.branch or self.tag):
@@ -663,6 +672,14 @@ def get_repo_dir(app, bench_path="."):
 	return os.path.join(bench_path, "apps", app)
 
 
+def is_git_repo(app_path):
+	try:
+		git.Repo(app_path, search_parent_directories=False)
+		return True
+	except git.exc.InvalidGitRepositoryError:
+		return False
+
+
 def install_apps_from_path(path, bench_path="."):
 	apps = get_apps_json(path)
 	for app in apps:

bench/bench.py

@@ -34,6 +34,7 @@ from bench.utils.bench import (
 )
 from bench.utils.render import job, step
 from bench.utils.app import get_current_version
+from bench.app import is_git_repo
 
 
 if TYPE_CHECKING:
@@ -222,21 +223,28 @@ class BenchApps(MutableSequence):
 			version = get_current_version(app_name, self.bench.name)
 
 			app_dir = os.path.join(self.apps_path, app_dir)
-			if not branch:
-				branch = (
-					subprocess.check_output("git rev-parse --abbrev-ref HEAD", shell=True, cwd=app_dir)
+			is_repo = is_git_repo(app_dir)
+			if is_repo:
+				if not branch:
+					branch = (
+						subprocess.check_output(
+							"git rev-parse --abbrev-ref HEAD", shell=True, cwd=app_dir
+						)
+						.decode("utf-8")
+						.rstrip()
+					)
+
+				commit_hash = (
+					subprocess.check_output(f"git rev-parse {branch}", shell=True, cwd=app_dir)
 					.decode("utf-8")
 					.rstrip()
 				)
 
-			commit_hash = (
-				subprocess.check_output(f"git rev-parse {branch}", shell=True, cwd=app_dir)
-				.decode("utf-8")
-				.rstrip()
-			)
-
 			self.states[app_name] = {
-				"resolution": {"commit_hash": commit_hash, "branch": branch},
+				"is_repo": is_repo,
+				"resolution": "not a repo"
+				if not is_repo
+				else {"commit_hash": commit_hash, "branch": branch},
 				"required": required,
 				"idx": len(self.states) + 1,
 				"version": version,