--- /dev/null
+/*
+GoCheese -- Python private package repository and caching proxy
+Copyright (C) 2019-2021 Sergey Matveev <stargrave@stargrave.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package main
+
+import (
+ "fmt"
+ "os"
+)
+
+const (
+ DefaultBind = "[::]:8080"
+ DefaultMaxClients = 128
+ DefaultNoRefreshURLPath = "/norefresh/"
+ DefaultRefreshURLPath = "/simple/"
+ DefaultGPGUpdateURLPath = "/gpgupdate/"
+ DefaultJSONURLPath = "/pypi/"
+ DefaultPyPIURL = "https://pypi.org/simple/"
+ DefaultJSONURL = "https://pypi.org/pypi/"
+
+ Warranty = `This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.`
+)
+
+func usage() {
+ fmt.Fprintf(os.Stderr, `Usage: gocheese [OPTIONS ...] /path/to/packages
+
+Network transport options:
+ -ucspi -- Work as UCSPI-TCP service instead of listening
+ -bind HOST:PORT -- TCP address to bind to (default: %s)
+ -maxclients N -- Maximal amount of simultaneous clients (default: %d)
+
+TLS enabling options:
+ -tls-cert PEM -- Path to TLS X.509 certificate
+ -tls-key PEM -- Path to TLS X.509 private key
+
+HTTP endpoints:
+ -norefresh URLPATH -- Non-refreshing Simple API path (default: %s)
+ -refresh URLPATH -- Auto-refreshing Simple API path (default: %s)
+ -gpgupdate URLPATH -- GPG forceful refreshing path (default: %s)
+ -json URLPATH -- JSON API path (default: %s)
+
+Upstream PyPI:
+ -pypi URL -- Upstream Simple API (default: %s)
+ -pypi-json URL -- Enable and use specified JSON API (default: %s)
+ Disabled if empty.
+ -pypi-cert-hash HEX(SHA256(SPKI)) -- Authenticate upstream by its
+ X.509 certificate's hash
+Password management:
+ -passwd PATH -- Path to readable FIFO for loading passwords
+ -passwd-list PATH -- Path to writeable FIFO for listing logins
+ -passwd-check -- Verify passwords format from stdin, then exit
+
+Other options:
+ -log-timestamped -- Prepend timestamp to log messages
+ -fsck -- Run integrity check of all packages
+ -version -- Print version information
+ -warranty -- Print warranty information
+
+GOCHEESE_NO_SYNC=1 environment variable disable filesystem fsyncs.
+`,
+ DefaultBind,
+ DefaultMaxClients,
+ DefaultNoRefreshURLPath,
+ DefaultRefreshURLPath,
+ DefaultGPGUpdateURLPath,
+ DefaultJSONURLPath,
+ DefaultPyPIURL,
+ DefaultJSONURLPath,
+ )
+}