anyhow -> color_eyre

Cargo.toml

@@ -13,10 +13,10 @@ keywords = ["cli", "attribution", "credits", "license"]
 categories = ["command-line-utilities"]
 
 [dependencies]
-anyhow = "1.0.75"
 bytes = "1.5.0"
 cargo_metadata = "0.18.1"
 clap = { version = "4.4.6", features = ["derive"] }
+color-eyre = { version = "0.6.2", default-features = false }
 reqwest = "0.11.22"
 serde = { version = "1.0.189", features = ["derive"] }
 spdx = "0.10.2"

attribution/dependencies.toml

@@ -59,14 +59,6 @@ notices = ["Copyright (c) 2015 Josh Triplett, 2022 The rust-cli Developers"]
 repository = "https://github.com/rust-cli/anstyle.git"
 homepage = "https://github.com/rust-cli/anstyle"
 
-[[dependencies]]
-name = "anyhow"
-version = "1.0.75"
-description = "Flexible concrete Error type built on std::error::Error"
-license = "MIT OR Apache-2.0"
-authors = ["David Tolnay <dtolnay@gmail.com>"]
-repository = "https://github.com/dtolnay/anyhow"
-
 [[dependencies]]
 name = "autocfg"
 version = "1.1.0"
@@ -228,6 +220,14 @@ license = "MIT OR Apache-2.0"
 notices = ["Copyright (c) 2015-2022 Kevin B. Knapp and Clap Contributors"]
 repository = "https://github.com/clap-rs/clap/tree/master/clap_lex"
 
+[[dependencies]]
+name = "color-eyre"
+version = "0.6.2"
+description = "An error report handler for panics and eyre::Reports for colorful, consistent, and well formatted error reports for all kinds of errors."
+license = "MIT OR Apache-2.0"
+authors = ["Jane Lusby <jlusby@yaah.dev>"]
+repository = "https://github.com/yaahc/color-eyre"
+
 [[dependencies]]
 name = "colorchoice"
 version = "1.0.0"
@@ -281,6 +281,17 @@ notices = ["Copyright (c) 2014 Chris Wong"]
 authors = ["Chris Wong <lambda.fairy@gmail.com>"]
 repository = "https://github.com/lambda-fairy/rust-errno"
 
+[[dependencies]]
+name = "eyre"
+version = "0.6.8"
+description = "Flexible concrete Error Reporting type built on std::error::Error with customizable Reports"
+license = "MIT OR Apache-2.0"
+authors = [
+    "David Tolnay <dtolnay@gmail.com>",
+    "Jane Lusby <jlusby42@gmail.com>",
+]
+repository = "https://github.com/yaahc/eyre"
+
 [[dependencies]]
 name = "fastrand"
 version = "2.0.1"
@@ -530,6 +541,16 @@ notices = ["Copyright (c) 2013-2022 The rust-url developers"]
 authors = ["The rust-url developers"]
 repository = "https://github.com/servo/rust-url/"
 
+[[dependencies]]
+name = "indenter"
+version = "0.3.3"
+description = """
+A formatter wrapper that indents the text, designed for error display impls
+"""
+license = "MIT OR Apache-2.0"
+authors = ["Jane Lusby <jlusby@yaah.dev>"]
+repository = "https://github.com/yaahc/indenter"
+
 [[dependencies]]
 name = "indexmap"
 version = "1.9.3"
@@ -749,6 +770,15 @@ authors = [
 ]
 repository = "https://github.com/sfackler/rust-openssl"
 
+[[dependencies]]
+name = "owo-colors"
+version = "3.5.0"
+description = "Zero-allocation terminal colors that'll make people go owo"
+license = "MIT"
+notices = ["Copyright (c) 2020 - present The owo-colors Developers"]
+authors = ["jam1garner <8260240+jam1garner@users.noreply.github.com>"]
+repository = "https://github.com/jam1garner/owo-colors"
+
 [[dependencies]]
 name = "parking_lot"
 version = "0.12.1"

src/lib.rs

@@ -3,13 +3,14 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
+use color_eyre::Result;
 use std::{fs, path::Path};
 
 pub mod licenses;
 pub mod metadata;
 pub mod serialize;
 
-pub fn recreate_folder(path: &Path) -> anyhow::Result<()> {
+pub fn recreate_folder(path: &Path) -> Result<()> {
     if path.try_exists()? {
         fs::remove_dir_all(path)?;
     }
@@ -19,7 +20,7 @@ pub fn recreate_folder(path: &Path) -> anyhow::Result<()> {
     Ok(())
 }
 
-pub fn create_folder(path: &Path) -> anyhow::Result<()> {
+pub fn create_folder(path: &Path) -> Result<()> {
     if path.try_exists()? {
         return Ok(());
     }

src/licenses.rs

@@ -3,10 +3,10 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
-use std::path::PathBuf;
-
 use bytes::Bytes;
+use color_eyre::Result;
 use reqwest::{self, Url};
+use std::path::PathBuf;
 use tokio::{fs::File, io::AsyncWriteExt, task};
 
 use crate::metadata::DependencyData;
@@ -18,18 +18,18 @@ pub struct LicenseData {
 }
 
 impl LicenseData {
-    pub async fn get_license_content(&self) -> anyhow::Result<Bytes> {
+    pub async fn get_license_content(&self) -> Result<Bytes> {
         let content = reqwest::get(self.url.clone()).await?.bytes().await?;
         Ok(content)
     }
 
-    pub async fn create_license_file(&self, content: Bytes) -> anyhow::Result<()> {
+    pub async fn create_license_file(&self, content: Bytes) -> Result<()> {
         let mut file = File::create(&self.path).await?;
         file.write_all(&content).await?;
         Ok(())
     }
 
-    pub async fn generate_license(&self) -> anyhow::Result<()> {
+    pub async fn generate_license(&self) -> Result<()> {
         println!("Downloading {}", self.name);
         let content = self.get_license_content().await?;
         self.create_license_file(content).await?;
@@ -38,10 +38,7 @@ impl LicenseData {
     }
 }
 
-pub async fn generate_licenses(
-    crates_data: &[DependencyData],
-    output_dir: PathBuf,
-) -> anyhow::Result<()> {
+pub async fn generate_licenses(crates_data: &[DependencyData], output_dir: PathBuf) -> Result<()> {
     let mut licenses = crates_data
         .iter()
         .flat_map(|c| c.licenses.clone())

src/main.rs

@@ -12,9 +12,12 @@ use cargo_attribution::{
 };
 use cargo_metadata::{CargoOpt, MetadataCommand};
 use clap::Parser;
+use color_eyre::eyre::Result;
 
 #[tokio::main]
-async fn main() -> anyhow::Result<()> {
+async fn main() -> Result<()> {
+    color_eyre::install()?;
+
     let CargoCli::Attribution(Args {
         manifest_path,
         current_dir,

src/metadata.rs

@@ -5,8 +5,8 @@
 
 use std::fs;
 
-use anyhow::Context;
 use cargo_metadata::{DependencyKind, Metadata, Package};
+use color_eyre::{eyre::ContextCompat, Result};
 use serde::Serialize;
 use spdx::Expression;
 
@@ -50,11 +50,11 @@ impl DependencyData {
 }
 
 impl DependencyData {
-    pub fn get_license_notices(&mut self, package: &Package) -> anyhow::Result<()> {
+    pub fn get_license_notices(&mut self, package: &Package) -> Result<()> {
         let parent = package
             .manifest_path
             .parent()
-            .context("Not manifest parent")?;
+            .wrap_err("Not manifest parent")?;
         for entry in fs::read_dir(parent)? {
             let entry = entry?;
             let file_path = entry.path();
@@ -99,8 +99,8 @@ impl DependencyData {
         Ok(())
     }
 
-    pub fn get_parse_licenses(&mut self) -> anyhow::Result<()> {
-        let license_metadata = self.license.clone().context("License not found")?;
+    pub fn get_parse_licenses(&mut self) -> Result<()> {
+        let license_metadata = self.license.clone().wrap_err("License not found")?;
 
         let expression = match Expression::parse(&license_metadata) {
             Ok(spdx) => spdx,
@@ -134,7 +134,7 @@ impl DependencyData {
 pub fn get_data(
     metadata: Metadata,
     only_normal_dependencies: bool,
-) -> anyhow::Result<(Vec<DependencyData>, Option<DependencyData>)> {
+) -> Result<(Vec<DependencyData>, Option<DependencyData>)> {
     let mut dependencies = Vec::with_capacity(metadata.packages.len());
     let mut my_crate = None;
 

src/serialize.rs

@@ -5,6 +5,7 @@
 
 use std::{fs::File, io::Write, path::Path};
 
+use color_eyre::eyre::Result;
 use serde::Serialize;
 use toml_edit::{ArrayOfTables, Document, Item, Table};
 
@@ -25,7 +26,7 @@ impl<'a> DependencySerialized<'a> {
         }
     }
 
-    pub fn to_toml(&self) -> anyhow::Result<String> {
+    pub fn to_toml(&self) -> Result<String> {
         // Serialize your struct to a TOML string
         let toml_str = toml::to_string_pretty(&self)?;
 
@@ -48,7 +49,7 @@ impl<'a> DependencySerialized<'a> {
         Ok(toml_str)
     }
 
-    pub fn create_toml(&self, output_dir: &Path) -> anyhow::Result<()> {
+    pub fn create_toml(&self, output_dir: &Path) -> Result<()> {
         let mut file = File::create(output_dir.join(format!("{}.toml", self.file_name)))?;
         file.write_all(self.to_toml()?.as_bytes())?;
         Ok(())
@@ -71,7 +72,7 @@ impl<'a> SelfSerialized<'a> {
         }
     }
 
-    pub fn to_toml(&self) -> anyhow::Result<String> {
+    pub fn to_toml(&self) -> Result<String> {
         // Serialize your struct to a TOML string
         let toml_str = toml::to_string_pretty(&self)?;
 
@@ -95,7 +96,7 @@ impl<'a> SelfSerialized<'a> {
         Ok(toml_str)
     }
 
-    pub fn create_toml(&self, output_dir: &Path) -> anyhow::Result<()> {
+    pub fn create_toml(&self, output_dir: &Path) -> Result<()> {
         let mut file = File::create(output_dir.join(format!("{}.toml", self.file_name)))?;
         file.write_all(self.to_toml()?.as_bytes())?;
         Ok(())