feat(cli): add --list to pack cmd

yazi-cli/src/args.rs

@@ -91,6 +91,9 @@ pub(super) struct CommandPack {
 	/// Install all packages.
 	#[arg(short = 'i', long)]
 	pub(super) install: bool,
+	/// List all installed packages.
+	#[arg(short = 'l', long)]
+	pub(super) list:    bool,
 	/// Upgrade all packages.
 	#[arg(short = 'u', long)]
 	pub(super) upgrade: bool,

yazi-cli/src/main.rs

@@ -36,6 +36,9 @@ async fn main() -> anyhow::Result<()> {
 			if cmd.install {
 				package::Package::install_from_config("plugin", false).await?;
 				package::Package::install_from_config("flavor", false).await?;
+			} else if cmd.list {
+				package::Package::list_from_config("plugin").await?;
+				package::Package::list_from_config("flavor").await?;
 			} else if cmd.upgrade {
 				package::Package::install_from_config("plugin", true).await?;
 				package::Package::install_from_config("flavor", true).await?;

yazi-cli/src/package/parser.rs

@@ -66,6 +66,32 @@ impl Package {
 		fs::write(path, doc.to_string()).await.context("Failed to write package.toml")
 	}
 
+	pub(crate) async fn list_from_config(section: &str) -> Result<()> {
+		let path = Xdg::config_dir().join("package.toml");
+		let Ok(s) = fs::read_to_string(&path).await else {
+			return Ok(());
+		};
+
+		let doc = s.parse::<DocumentMut>().context("Failed to parse package.toml")?;
+
+		let Some(deps) = doc.get(section).and_then(|d| d.get("deps")) else {
+			return Ok(());
+		};
+
+		let deps = deps.as_array().context("`deps` must be an array")?;
+
+		println!("{section}:");
+		for v in deps {
+			if let Some(dep_name) =
+				v.as_inline_table().and_then(|t| t.get("use")).and_then(|v| v.as_str())
+			{
+				println!("\t{dep_name}");
+			}
+		}
+
+		Ok(())
+	}
+
 	fn ensure_config(s: &str) -> Result<DocumentMut> {
 		let mut doc = s.parse::<DocumentMut>().context("Failed to parse package.toml")?;