Add ability to specify address in default.project.json (#507)

* Allow for setting the default port in project json

set as
```json
"serveAddress": "0.0.0.0"
```

* Update CHANGELOG.md

* cargo fmt

Co-authored-by: Lucien Greathouse <me@lpghatguy.com>

CHANGELOG.md

@@ -1,8 +1,12 @@
 # Rojo Changelog
 
 ## Unreleased Changes
+* Added support for specifying an address to be used by default in the .project.json file ([#447])
 * Added support for the new Open Cloud API when uploading. ([#486])
 
+[#447]: https://github.com/rojo-rbx/rojo/issues/447
+[#486]: https://github.com/rojo-rbx/rojo/issues/486
+
 ## [7.0.0] - December 10, 2021
 * Fixed Rojo's interactions with properties enabled by FFlags that are not yet enabled. ([#493])
 * Improved output in Roblox Studio plugin when bad property data is encountered.
@@ -10,7 +14,6 @@
 * Connection settings are now remembered when reconnecting in Roblox Studio. ([#500])
 * Updated reflection database to Roblox v503.
 
-[#486]: https://github.com/rojo-rbx/rojo/issues/486
 [#430]: https://github.com/rojo-rbx/rojo/issues/430
 [#493]: https://github.com/rojo-rbx/rojo/pull/493
 [#500]: https://github.com/rojo-rbx/rojo/pull/500

src/cli/serve.rs

@@ -41,7 +41,10 @@ impl ServeCommand {
 
         let session = Arc::new(ServeSession::new(vfs, &project_path)?);
 
-        let ip = self.address.unwrap_or(DEFAULT_BIND_ADDRESS.into());
+        let ip = self
+            .address
+            .or_else(|| session.serve_address())
+            .unwrap_or(DEFAULT_BIND_ADDRESS.into());
 
         let port = self
             .port

src/project.rs

@@ -1,6 +1,7 @@
 use std::{
     collections::{BTreeMap, HashMap, HashSet},
     fs, io,
+    net::IpAddr,
     path::{Path, PathBuf},
 };
 
@@ -67,6 +68,11 @@ pub struct Project {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub game_id: Option<u64>,
 
+    /// If specified, this address will be used in place of the default address
+    /// As long as --address is unprovided.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_address: Option<IpAddr>,
+
     /// A list of globs, relative to the folder the project file is in, that
     /// match files that should be excluded if Rojo encounters them.
     #[serde(default, skip_serializing_if = "Vec::is_empty")]

src/serve_session.rs

@@ -2,6 +2,7 @@ use std::{
     borrow::Cow,
     collections::HashSet,
     io,
+    net::IpAddr,
     path::{Path, PathBuf},
     sync::{Arc, Mutex, MutexGuard},
     time::Instant,
@@ -212,6 +213,10 @@ impl ServeSession {
     pub fn serve_place_ids(&self) -> Option<&HashSet<u64>> {
         self.root_project.serve_place_ids.as_ref()
     }
+
+    pub fn serve_address(&self) -> Option<IpAddr> {
+        self.root_project.serve_address
+    }
 }
 
 #[derive(Debug, Error)]