feat: Add ability to inspect build information and features at runtime

Also re-adds ability to inspect used features

src/admin/Cargo.toml

@@ -2,6 +2,7 @@
 name = "conduwuit_admin"
 description.workspace = true
 edition.workspace = true
+homepage.workspace = true
 license.workspace = true
 readme.workspace = true
 repository.workspace = true
@@ -79,6 +80,7 @@ conduwuit-database.workspace = true
 conduwuit-macros.workspace = true
 conduwuit-service.workspace = true
 const-str.workspace = true
+ctor.workspace = true
 futures.workspace = true
 lettre.workspace = true
 log.workspace = true

src/admin/mod.rs

@@ -3,6 +3,8 @@
 #![allow(clippy::enum_glob_use)]
 #![allow(clippy::too_many_arguments)]
 
+conduwuit_macros::introspect_crate! {}
+
 pub(crate) mod admin;
 pub(crate) mod context;
 pub(crate) mod processor;

src/admin/server/commands.rs

@@ -1,4 +1,4 @@
-use std::{path::PathBuf, sync::Arc};
+use std::{fmt::Write, path::PathBuf, sync::Arc};
 
 use conduwuit::{
 	Err, Result,
@@ -153,3 +153,97 @@ pub(super) async fn shutdown(&self) -> Result {
 
 	self.write_str("Shutting down server...").await
 }
+
+#[admin_command]
+pub(super) async fn list_features(&self) -> Result {
+	let mut enabled_features = conduwuit::info::introspection::ENABLED_FEATURES
+		.lock()
+		.expect("locked")
+		.iter()
+		.flat_map(|(_, f)| f.iter())
+		.collect::<Vec<_>>();
+
+	enabled_features.sort_unstable();
+	enabled_features.dedup();
+
+	let mut available_features = conduwuit::build_metadata::WORKSPACE_FEATURES
+		.iter()
+		.flat_map(|(_, f)| f.iter())
+		.collect::<Vec<_>>();
+
+	available_features.sort_unstable();
+	available_features.dedup();
+
+	let mut features = String::new();
+
+	for feature in available_features {
+		let active = enabled_features.contains(&feature);
+		let emoji = if active { "✅" } else { "❌" };
+		let remark = if active { "[enabled]" } else { "" };
+		writeln!(features, "{emoji} {feature} {remark}")?;
+	}
+
+	self.write_str(&features).await
+}
+
+#[admin_command]
+pub(super) async fn build_info(&self) -> Result {
+	use conduwuit::build_metadata::built;
+
+	let mut info = String::new();
+
+	// Version information
+	writeln!(info, "# Build Information\n")?;
+	writeln!(info, "**Version:** {}", built::PKG_VERSION)?;
+	writeln!(info, "**Package:** {}", built::PKG_NAME)?;
+	writeln!(info, "**Description:** {}", built::PKG_DESCRIPTION)?;
+
+	// Git information
+	writeln!(info, "\n## Git Information\n")?;
+	if let Some(hash) = conduwuit::build_metadata::GIT_COMMIT_HASH {
+		writeln!(info, "**Commit Hash:** {hash}")?;
+	}
+	if let Some(hash) = conduwuit::build_metadata::GIT_COMMIT_HASH_SHORT {
+		writeln!(info, "**Commit Hash (short):** {hash}")?;
+	}
+	if let Some(url) = conduwuit::build_metadata::GIT_REMOTE_WEB_URL {
+		writeln!(info, "**Repository:** {url}")?;
+	}
+	if let Some(url) = conduwuit::build_metadata::GIT_REMOTE_COMMIT_URL {
+		writeln!(info, "**Commit URL:** {url}")?;
+	}
+
+	// Build environment
+	writeln!(info, "\n## Build Environment\n")?;
+	writeln!(info, "**Profile:** {}", built::PROFILE)?;
+	writeln!(info, "**Optimization Level:** {}", built::OPT_LEVEL)?;
+	writeln!(info, "**Debug:** {}", built::DEBUG)?;
+	writeln!(info, "**Target:** {}", built::TARGET)?;
+	writeln!(info, "**Host:** {}", built::HOST)?;
+
+	// Rust compiler information
+	writeln!(info, "\n## Compiler Information\n")?;
+	writeln!(info, "**Rustc Version:** {}", built::RUSTC_VERSION)?;
+	if !built::RUSTDOC_VERSION.is_empty() {
+		writeln!(info, "**Rustdoc Version:** {}", built::RUSTDOC_VERSION)?;
+	}
+
+	// Target configuration
+	writeln!(info, "\n## Target Configuration\n")?;
+	writeln!(info, "**Architecture:** {}", built::CFG_TARGET_ARCH)?;
+	writeln!(info, "**OS:** {}", built::CFG_OS)?;
+	writeln!(info, "**Family:** {}", built::CFG_FAMILY)?;
+	writeln!(info, "**Endianness:** {}", built::CFG_ENDIAN)?;
+	writeln!(info, "**Pointer Width:** {} bits", built::CFG_POINTER_WIDTH)?;
+	if !built::CFG_ENV.is_empty() {
+		writeln!(info, "**Environment:** {}", built::CFG_ENV)?;
+	}
+
+	// CI information
+	if let Some(ci) = built::CI_PLATFORM {
+		writeln!(info, "\n## CI Platform\n")?;
+		writeln!(info, "**Platform:** {ci}")?;
+	}
+
+	self.write_str(&info).await
+}

src/admin/server/mod.rs

@@ -52,4 +52,10 @@ pub enum ServerCommand {
 
 	/// Shutdown the server
 	Shutdown,
+
+	/// List features built into the server
+	ListFeatures,
+
+	/// Build information
+	BuildInfo,
 }