# In order for this server to work, you need to install some dependencies:
# apt install nginx git fcgiwrap
#
# Also, ensure fcgiwrap is running as a daemon. On Ubuntu, this should happen automatically.
server {
	listen 80 default_server;
	listen [::]:80 default_server;

	# Replace this with the path to your mirror directory.
	root /path/to/my-mirror;

	# Replace this with the domain name you're serving the mirror from.
	server_name panamax.internal;

	location / {
		autoindex on;
	}

	location ~ /crates.io-index(/.*) {
		# Replace this path with the path to crates.io-index in your mirror directory.
		fastcgi_param GIT_PROJECT_ROOT    /path/to/my-mirror/crates.io-index;
		include       fastcgi_params;
		fastcgi_pass  unix:/var/run/fcgiwrap.socket;
		fastcgi_param SCRIPT_FILENAME     /usr/lib/git-core/git-http-backend;
		fastcgi_param GIT_HTTP_EXPORT_ALL "";
		fastcgi_param PATH_INFO           $1;
    }

	# Rewrite the download URLs to match the proper crates location.
	rewrite "^/crates/([^/])/([^/]+)$"                     "/crates/1/$1/$2"         last;
	rewrite "^/crates/([^/]{2})/([^/]+)$"                  "/crates/2/$1/$2"         last;
	rewrite "^/crates/([^/])([^/]{2})/([^/]+)$"            "/crates/3/$1/$1$2/$3"    last;
	rewrite "^/crates/([^/]{2})([^/]{2})([^/]*)/([^/]+)$"  "/crates/$1/$2/$1$2$3/$4" last;
}