fix: Show traceback on bench init failure

Other changes:
* Invoke internal init function instead of invoking click
command. This was done to avoid handling random Exceptions that are done
in the command definition
* os.chdir after initializing new bench in get_app

bench/app.py

@@ -276,10 +276,11 @@ def get_app(
 	branch = app.tag
 
 	if not is_bench_directory(bench_path):
-		bench_path = generate_bench_name(git_url, bench_path)
-		from bench.commands.make import init
+		from bench.utils.system import init
 
-		click.get_current_context().invoke(init, path=bench_path, frappe_branch=branch)
+		bench_path = get_available_folder_name(f"{app.repo}-bench", bench_path)
+		init(path=bench_path, frappe_branch=branch)
+		os.chdir(bench_path)
 
 	cloned_path = os.path.join(bench_path, "apps", repo_name)
 	dir_already_exists = os.path.isdir(cloned_path)

bench/commands/make.py

@@ -44,10 +44,11 @@ def init(path, apps_path, frappe_path, frappe_branch, no_procfile, no_backups, c
 	except SystemExit:
 		raise
 	except Exception as e:
-		import os, shutil, time
+		import shutil, time
+		from bench.utils import get_traceback
 		# add a sleep here so that the traceback of other processes doesnt overlap with the prompts
 		time.sleep(1)
-		print(e)
+		print(get_traceback())
 		log(f"There was a problem while creating {path}", level=2)
 		if click.confirm("Do you want to rollback these changes?"):
 			print(f'Rolling back Bench "{path}"')