refactor(treewide): get rid of compile time build environment introspection

It's cursed and not very useful. Still a few uses of ctor left, but oh well.

src/admin/Cargo.toml

@@ -87,7 +87,6 @@ serde-saphyr.workspace = true
 tokio.workspace = true
 tracing-subscriber.workspace = true
 tracing.workspace = true
-ctor.workspace = true
 
 [lints]
 workspace = true

src/admin/debug/commands.rs

@@ -819,32 +819,6 @@ pub(super) async fn time(&self) -> Result {
 	self.write_str(&now).await
 }
 
-#[admin_command]
-pub(super) async fn list_dependencies(&self, names: bool) -> Result {
-	if names {
-		let out = info::cargo::dependencies_names().join(" ");
-		return self.write_str(&out).await;
-	}
-
-	let mut out = String::new();
-	let deps = info::cargo::dependencies();
-	writeln!(out, "| name | version | features |")?;
-	writeln!(out, "| ---- | ------- | -------- |")?;
-	for (name, dep) in deps {
-		let version = dep.try_req().unwrap_or("*");
-		let feats = dep.req_features();
-		let feats = if !feats.is_empty() {
-			feats.join(" ")
-		} else {
-			String::new()
-		};
-
-		writeln!(out, "| {name} | {version} | {feats} |")?;
-	}
-
-	self.write_str(&out).await
-}
-
 #[admin_command]
 pub(super) async fn database_stats(
 	&self,

src/admin/debug/mod.rs

@@ -206,12 +206,6 @@ pub enum DebugCommand {
 	/// Print the current time
 	Time,
 
-	/// List dependencies
-	ListDependencies {
-		#[arg(short, long)]
-		names: bool,
-	},
-
 	/// Get database statistics
 	DatabaseStats {
 		property: Option<String>,

src/admin/mod.rs

@@ -30,11 +30,8 @@ pub(crate) use crate::{context::Context, utils::get_room_info};
 
 pub(crate) const PAGE_SIZE: usize = 100;
 
-use ctor::{ctor, dtor};
-
 conduwuit::mod_ctor! {}
 conduwuit::mod_dtor! {}
-conduwuit::rustc_flags_capture! {}
 
 pub use crate::admin::AdminCommand;
 

src/admin/server/commands.rs

@@ -1,7 +1,7 @@
-use std::{fmt::Write, path::PathBuf, sync::Arc};
+use std::{path::PathBuf, sync::Arc};
 
 use conduwuit::{
-	Err, Result, info,
+	Err, Result,
 	utils::{stream::IterStream, time},
 	warn,
 };
@@ -59,34 +59,6 @@ pub(super) async fn reload_config(&self, path: Option<PathBuf>) -> Result {
 		.await
 }
 
-#[admin_command]
-pub(super) async fn list_features(&self, available: bool, enabled: bool, comma: bool) -> Result {
-	let delim = if comma { "," } else { " " };
-	if enabled && !available {
-		let features = info::rustc::features().join(delim);
-		let out = format!("`\n{features}\n`");
-		return self.write_str(&out).await;
-	}
-
-	if available && !enabled {
-		let features = info::cargo::features().join(delim);
-		let out = format!("`\n{features}\n`");
-		return self.write_str(&out).await;
-	}
-
-	let mut features = String::new();
-	let enabled = info::rustc::features();
-	let available = info::cargo::features();
-	for feature in available {
-		let active = enabled.contains(&feature.as_str());
-		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 memory_usage(&self) -> Result {
 	let services_usage = self.services.memory_usage().await?;

src/admin/server/mod.rs

@@ -21,18 +21,6 @@ pub enum ServerCommand {
 		path: Option<PathBuf>,
 	},
 
-	/// List the features built into the server
-	ListFeatures {
-		#[arg(short, long)]
-		available: bool,
-
-		#[arg(short, long)]
-		enabled: bool,
-
-		#[arg(short, long)]
-		comma: bool,
-	},
-
 	/// Print database memory usage statistics
 	MemoryUsage,