refactor: add tracing and improve error messages

Cargo.toml

@@ -11,7 +11,7 @@ dunce = "1"
 schemars = { version = "0.8", features = ["url", "preserve_order", "derive"] }
 cargo-packager-config = { path = "crates/config", version = "0.0.0" }
 clap = { version = "4.4", features = ["derive"] }
-log = "0.4"
 dirs = "5.0"
 semver = "1"
 base64 = "0.21"
+tracing = "0.1"

crates/packager/Cargo.toml

@@ -7,7 +7,8 @@ license = "Apache-2.0 OR MIT"
 
 [features]
 default = ["cli"]
-cli = ["env_logger", "clap", "cargo-packager-config/clap"]
+cli = ["clap", "cargo-packager-config/clap", "tracing", "tracing-subscriber"]
+tracing = ["dep:tracing"]
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "doc_cfg"]
@@ -33,9 +34,11 @@ dirs.workspace = true
 semver.workspace = true
 base64.workspace = true
 clap = { workspace = true, optional = true, features = ["env"] }
-log = { workspace = true, features = ["kv_unstable", "kv_unstable_std"] }
+tracing = { workspace = true, optional = true }
+tracing-subscriber = { version = "0.3", optional = true, features = [
+    "env-filter",
+] }
 toml = "0.8"
-env_logger = { version = "0.10", optional = true }
 cargo_metadata = "0.18"
 ureq = "2.7"
 hex = "0.4"

crates/packager/src/cli/config.rs

@@ -1,4 +1,7 @@
-use std::path::{Path, PathBuf};
+use std::{
+    fmt::Debug,
+    path::{Path, PathBuf},
+};
 
 use crate::{config::Binary, Config};
 
@@ -28,7 +31,10 @@ fn find_nearset_pkg_name(path: &Path) -> crate::Result<Option<String>> {
     res
 }
 
-pub fn parse_config_file<P: AsRef<Path>>(path: P) -> crate::Result<Vec<(Option<PathBuf>, Config)>> {
+#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
+pub fn parse_config_file<P: AsRef<Path> + Debug>(
+    path: P,
+) -> crate::Result<Vec<(Option<PathBuf>, Config)>> {
     let path = path.as_ref().to_path_buf().canonicalize()?;
     let content = std::fs::read_to_string(&path)?;
     let mut configs = match path.extension().and_then(|e| e.to_str()) {
@@ -62,25 +68,25 @@ pub fn parse_config_file<P: AsRef<Path>>(path: P) -> crate::Result<Vec<(Option<P
     Ok(configs)
 }
 
-pub fn find_config_files() -> Vec<PathBuf> {
+#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
+pub fn find_config_files() -> crate::Result<Vec<PathBuf>> {
     let opts = glob::MatchOptions {
         case_sensitive: false,
         ..Default::default()
     };
 
-    [
-        glob::glob_with("**/packager.toml", opts)
-            .unwrap()
+    Ok([
+        glob::glob_with("**/packager.toml", opts)?
             .flatten()
             .collect::<Vec<_>>(),
-        glob::glob_with("**/packager.json", opts)
-            .unwrap()
+        glob::glob_with("**/packager.json", opts)?
             .flatten()
             .collect::<Vec<_>>(),
     ]
-    .concat()
+    .concat())
 }
 
+#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
 pub fn load_configs_from_cargo_workspace(
     release: bool,
     profile: Option<String>,