fix: dont abort script if not overwriting scripts

why: currently, running of `bench ` or `bench setup
production` creates nginx conf files and asks for confirmation before
overwriting them. in case user doesnt want to overwrite files,
`setup production` and `lets-encrypt` is exitted abrubtly and nginx isnt started again after

bench/config/nginx.py

@@ -1,49 +1,49 @@
 import os, json, click, random, string, hashlib
 from bench.utils import get_sites, get_bench_name, exec_cmd
 from six import string_types
+from six.moves import input
 
-def make_nginx_conf(bench_path, yes=False):
-	from bench import env
-	from bench.config.common_site_config import get_config
-
-	template = env.get_template('nginx.conf')
-	bench_path = os.path.abspath(bench_path)
-	sites_path = os.path.join(bench_path, "sites")
-
-	config = get_config(bench_path)
-	sites = prepare_sites(config, bench_path)
-	bench_name = get_bench_name(bench_path)
-
-	allow_rate_limiting = config.get('allow_rate_limiting', False)
-
-	template_vars = {
-		"sites_path": sites_path,
-		"http_timeout": config.get("http_timeout"),
-		"sites": sites,
-		"webserver_port": config.get('webserver_port'),
-		"socketio_port": config.get('socketio_port'),
-		"bench_name": bench_name,
-		"error_pages": get_error_pages(),
-		"allow_rate_limiting": allow_rate_limiting,
-		# for nginx map variable
-		"random_string": "".join(random.choice(string.ascii_lowercase) for i in range(7))
-	}
-
-	if allow_rate_limiting:
-		template_vars.update({
-			'bench_name_hash': hashlib.sha256(bench_name).hexdigest()[:16],
-			'limit_conn_shared_memory': get_limit_conn_shared_memory()
-		})
-
-	nginx_conf = template.render(**template_vars)
 
+def make_nginx_conf(bench_path, yes=False):
 	conf_path = os.path.join(bench_path, "config", "nginx.conf")
 	if not yes and os.path.exists(conf_path):
-		click.confirm('nginx.conf already exists and this will overwrite it. Do you want to continue?',
-			abort=True)
-
-	with open(conf_path, "w") as f:
-		f.write(nginx_conf)
+		if input('nginx.conf already exists and this will overwrite it. Do you want to continue? [y/N]').lower() == 'y':
+			from bench import env
+			from bench.config.common_site_config import get_config
+
+			template = env.get_template('nginx.conf')
+			bench_path = os.path.abspath(bench_path)
+			sites_path = os.path.join(bench_path, "sites")
+
+			config = get_config(bench_path)
+			sites = prepare_sites(config, bench_path)
+			bench_name = get_bench_name(bench_path)
+
+			allow_rate_limiting = config.get('allow_rate_limiting', False)
+
+			template_vars = {
+				"sites_path": sites_path,
+				"http_timeout": config.get("http_timeout"),
+				"sites": sites,
+				"webserver_port": config.get('webserver_port'),
+				"socketio_port": config.get('socketio_port'),
+				"bench_name": bench_name,
+				"error_pages": get_error_pages(),
+				"allow_rate_limiting": allow_rate_limiting,
+				# for nginx map variable
+				"random_string": "".join(random.choice(string.ascii_lowercase) for i in range(7))
+			}
+
+			if allow_rate_limiting:
+				template_vars.update({
+					'bench_name_hash': hashlib.sha256(bench_name).hexdigest()[:16],
+					'limit_conn_shared_memory': get_limit_conn_shared_memory()
+				})
+
+			nginx_conf = template.render(**template_vars)
+
+			with open(conf_path, "w") as f:
+				f.write(nginx_conf)
 
 def make_bench_manager_nginx_conf(bench_path, yes=False, port=23624, domain=None):
 	from bench import env