feat: expose more tree internals, add --dir

Cargo.toml

@@ -13,6 +13,7 @@ serde = { version = "1.0.206", features = ["derive"] }
 serde_json = "1.0.124"
 serde_yaml = "0.9.34"
 anyhow = "1.0.86"
+thiserror = "1.0.64"
 
 [lints.rust]
 rust_2018_idioms = { level = "warn", priority = -1 }

src/lib.rs

@@ -11,9 +11,8 @@
 
 use anyhow::{bail, Context as _, Result};
 
-mod tree;
-
-pub use tree::print_tree;
+/// `pnpm-extra tree` implementation details.
+pub mod tree;
 
 /// Parse and return the content of pnpm-workspace.yaml as a serde_yaml::Mapping.
 ///

src/main.rs

@@ -2,13 +2,19 @@
 
 use anyhow::Result;
 use clap::Parser;
+use std::path::PathBuf;
 
 #[derive(Parser)]
 enum Args {
     /// better pnpm why, modelled on cargo tree -i
     Tree {
         #[clap(name = "name")]
+        /// Package name to show the tree for
         name: String,
+
+        #[clap(short, long, default_value = ".")]
+        /// Workspace directory
+        dir: PathBuf,
     },
 
     #[clap(subcommand)]
@@ -19,8 +25,9 @@ mod catalog;
 
 fn main() -> Result<()> {
     match Args::parse() {
-        Args::Tree { name } => {
-            pnpm_extra::print_tree(&name)?;
+        Args::Tree { name, dir } => {
+            let dir = std::path::absolute(dir)?;
+            pnpm_extra::tree::print_tree(&dir, &name)?;
             Ok(())
         }
         Args::Catalog(args) => {