Add an env var setting for whether we are a mirror or not

By default, we are not a mirror.

Author: carols10cents

.env.sample

@@ -3,6 +3,9 @@
 # `postgres://postgres:@localhost/cargo_registry`.
 export DATABASE_URL=""
 
+# If you are running a mirror of crates.io, uncomment this line.
+# export MIRROR=1
+
 # Key to sign and encrypt cookies with. Change this to a long, random string
 # for production.
 export SESSION_KEY="badkey"

src/bin/fill-in-user-id.rs

@@ -33,6 +33,7 @@ fn main() {
         db_url: env("DATABASE_URL"),
         env: cargo_registry::Env::Production,
         max_upload_size: 0,
+        mirror: false,
     };
     let app = cargo_registry::App::new(&config);
     {

src/bin/server.rs

@@ -57,6 +57,7 @@ fn main() {
         db_url: env("DATABASE_URL"),
         env: cargo_env,
         max_upload_size: 10 * 1024 * 1024,
+        mirror: env::var("MIRROR").is_ok(),
     };
     let app = cargo_registry::App::new(&config);
     let app = cargo_registry::middleware(Arc::new(app));

src/config.rs

@@ -14,6 +14,7 @@ pub struct Config {
     pub db_url: String,
     pub env: ::Env,
     pub max_upload_size: u64,
+    pub mirror: bool,
 }
 
 impl Config {

src/tests/all.rs

@@ -90,6 +90,7 @@ fn app() -> (record::Bomb, Arc<App>, conduit_middleware::MiddlewareBuilder) {
         db_url: env("TEST_DATABASE_URL"),
         env: cargo_registry::Env::Test,
         max_upload_size: 1000,
+        mirror: false,
     };
     INIT.call_once(|| db_setup(&config.db_url));
     let app = App::new(&config);