internal: Add events. (#188)

crates/core/Cargo.toml

@@ -23,6 +23,7 @@ serde = { workspace = true }
 serde_json = { workspace = true }
 sha2 = { workspace = true }
 starbase_archive = { workspace = true }
+starbase_events = "0.2.1"
 starbase_styles = { workspace = true }
 starbase_utils = { workspace = true, features = ["fs-lock"] }
 thiserror = { workspace = true }

crates/core/src/events.rs

@@ -0,0 +1,50 @@
+use crate::version::*;
+use starbase_events::Event;
+
+macro_rules! impl_event {
+    ($name:ident, $impl:tt) => {
+        impl_event!($name, (), $impl);
+    };
+
+		($name:ident, $data:ty, $impl:tt) => {
+        pub struct $name $impl
+
+        impl Event for $name {
+            type Data = $data;
+        }
+    };
+}
+
+impl_event!(InstallingEvent, {
+    pub version: AliasOrVersion,
+});
+
+impl_event!(InstalledEvent, {
+    pub version: AliasOrVersion,
+});
+
+impl_event!(InstalledGlobalEvent, {
+    pub dependency: String,
+});
+
+impl_event!(UninstallingEvent, {
+    pub version: AliasOrVersion,
+});
+
+impl_event!(UninstalledEvent, {
+    pub version: AliasOrVersion,
+});
+
+impl_event!(UninstalledGlobalEvent, {
+    pub dependency: String,
+});
+
+impl_event!(CreatedShimsEvent, {
+    pub global: Vec<String>,
+    pub local: Vec<String>,
+});
+
+impl_event!(ResolvedVersionEvent, {
+    pub candidate: VersionType,
+    pub version: AliasOrVersion,
+});

crates/core/src/lib.rs

@@ -1,4 +1,5 @@
 mod error;
+mod events;
 mod helpers;
 mod proto;
 mod shimmer;
@@ -12,6 +13,7 @@ mod version_detector;
 mod version_resolver;
 
 pub use error::*;
+pub use events::*;
 pub use extism::{manifest::Wasm, Manifest as PluginManifest};
 pub use helpers::*;
 pub use proto::*;

crates/core/src/proto.rs

@@ -1,6 +1,8 @@
 use crate::helpers::{get_home_dir, get_proto_home};
+use once_cell::sync::OnceCell;
 use std::env;
 use std::path::{Path, PathBuf};
+use warpgate::PluginLoader;
 
 #[derive(Clone, Debug)]
 pub struct ProtoEnvironment {
@@ -11,6 +13,8 @@ pub struct ProtoEnvironment {
     pub tools_dir: PathBuf,
     pub home: PathBuf, // ~
     pub root: PathBuf, // ~/.proto
+
+    loader: OnceCell<PluginLoader>,
 }
 
 impl ProtoEnvironment {
@@ -36,6 +40,15 @@ impl ProtoEnvironment {
             tools_dir: root.join("tools"),
             home: get_home_dir()?,
             root: root.to_owned(),
+            loader: OnceCell::new(),
+        })
+    }
+
+    pub fn get_plugin_loader(&self) -> &PluginLoader {
+        self.loader.get_or_init(|| {
+            let mut loader = PluginLoader::new(&self.plugins_dir, &self.temp_dir);
+            loader.set_seed(env!("CARGO_PKG_VERSION"));
+            loader
         })
     }
 }