Switch from anyhow to eyre

Cargo.lock

@@ -112,9 +112,6 @@ name = "anyhow"
 version = "1.0.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c95c10ba0b00a02636238b814946408b1322d5ac4760326e6fb8ec956d85775"
-dependencies = [
- "backtrace",
-]
 
 [[package]]
 name = "arbitrary"
@@ -161,7 +158,6 @@ dependencies = [
 name = "bandwhich"
 version = "0.23.1"
 dependencies = [
- "anyhow",
  "async-trait",
  "chrono",
  "clap",
@@ -170,6 +166,7 @@ dependencies = [
  "clap_mangen",
  "crossterm",
  "derive_more",
+ "eyre",
  "http_req",
  "insta",
  "ipnetwork",
@@ -703,6 +700,16 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "eyre"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec"
+dependencies = [
+ "indenter",
+ "once_cell",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.1.1"
@@ -990,6 +997,12 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "indenter"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
+
 [[package]]
 name = "indexmap"
 version = "2.6.0"

Cargo.toml

@@ -26,12 +26,13 @@ default = []
 ui_test = []
 
 [dependencies]
-anyhow = { version = "1.0.93", features = ["backtrace"] }
 async-trait = "0.1.83"
 chrono = "0.4"
 clap-verbosity-flag = "3.0.1"
 clap = { version = "4.5.21", features = ["derive"] }
 crossterm = "0.28.1"
+derive_more = { version = "1.0.0", features = ["debug"] }
+eyre = "0.6.12"
 ipnetwork = "0.20.0"
 itertools = "0.13.0"
 log = "0.4.22"
@@ -46,7 +47,7 @@ tokio = { version = "1.41", features = ["rt", "sync"] }
 trust-dns-resolver = "0.23.2"
 unicode-width = "0.2.0"
 strum = { version = "0.26.3", features = ["derive"] }
-derive_more = { version = "1.0.0", features = ["debug"] }
+
 
 [target.'cfg(any(target_os = "android", target_os = "linux"))'.dependencies]
 procfs = "0.17.0"
@@ -66,12 +67,12 @@ regex = "1.11.1"
 rstest = "0.23.0"
 
 [build-dependencies]
-anyhow = "1.0.93"
 clap = { version = "4.5.21", features = ["derive"] }
 clap-verbosity-flag = "3.0.1"
 clap_complete = "4.5.38"
 clap_mangen = "0.2.24"
 derive_more = { version = "1.0.0", features = ["debug"] }
+eyre = "0.6.12"
 strum = { version = "0.26.3", features = ["derive"] }
 
 [target.'cfg(target_os = "windows")'.build-dependencies]

build.rs

@@ -1,9 +1,9 @@
 use std::{env, fs::File};
 
-use anyhow::anyhow;
 use clap::CommandFactory;
 use clap_complete::Shell;
 use clap_mangen::Man;
+use eyre::eyre;
 
 fn main() {
     build_completion_manpage().unwrap();
@@ -14,13 +14,13 @@ fn main() {
 
 include!("src/cli.rs");
 
-fn build_completion_manpage() -> anyhow::Result<()> {
+fn build_completion_manpage() -> eyre::Result<()> {
     let mut cmd = Opt::command();
 
     // build into `BANDWHICH_GEN_DIR` with a fallback to `OUT_DIR`
     let gen_dir: PathBuf = env::var_os("BANDWHICH_GEN_DIR")
         .or_else(|| env::var_os("OUT_DIR"))
-        .ok_or(anyhow!("OUT_DIR is unset"))?
+        .ok_or(eyre!("OUT_DIR is unset"))?
         .into();
 
     // completion
@@ -37,7 +37,7 @@ fn build_completion_manpage() -> anyhow::Result<()> {
 }
 
 #[cfg(target_os = "windows")]
-fn download_windows_npcap_sdk() -> anyhow::Result<()> {
+fn download_windows_npcap_sdk() -> eyre::Result<()> {
     use std::{
         fs,
         io::{self, Write},
@@ -102,7 +102,7 @@ fn download_windows_npcap_sdk() -> anyhow::Result<()> {
         "cargo:rustc-link-search=native={}",
         lib_dir
             .to_str()
-            .ok_or(anyhow!("{lib_dir:?} is not valid UTF-8"))?
+            .ok_or(eyre!("{lib_dir:?} is not valid UTF-8"))?
     );
 
     Ok(())

src/main.rs

@@ -24,6 +24,7 @@ use crossterm::{
     terminal,
 };
 use display::{elapsed_time, RawTerminalBackend, Ui};
+use eyre::bail;
 use network::{
     dns::{self, IpTable},
     LocalSocket, Sniffer, Utilization,
@@ -37,7 +38,7 @@ use crate::os::ProcessInfo;
 
 const DISPLAY_DELTA: Duration = Duration::from_millis(1000);
 
-fn main() -> anyhow::Result<()> {
+fn main() -> eyre::Result<()> {
     let opts = Opt::parse();
 
     // init logging
@@ -59,7 +60,7 @@ fn main() -> anyhow::Result<()> {
         start(terminal_backend, os_input, opts);
     } else {
         let Ok(()) = terminal::enable_raw_mode() else {
-            anyhow::bail!(
+            bail!(
                 "Failed to get stdout: if you are trying to pipe 'bandwhich' you should use the --raw flag"
             )
         };

src/network/dns/client.rs

@@ -24,7 +24,7 @@ pub struct Client {
 }
 
 impl Client {
-    pub fn new<R>(resolver: R, runtime: Runtime) -> anyhow::Result<Self>
+    pub fn new<R>(resolver: R, runtime: Runtime) -> eyre::Result<Self>
     where
         R: Lookup + Send + Sync + 'static,
     {

src/network/dns/resolver.rs

@@ -15,7 +15,7 @@ pub trait Lookup {
 pub struct Resolver(TokioAsyncResolver);
 
 impl Resolver {
-    pub async fn new(dns_server: Option<Ipv4Addr>) -> anyhow::Result<Self> {
+    pub async fn new(dns_server: Option<Ipv4Addr>) -> eyre::Result<Self> {
         let resolver = match dns_server {
             Some(dns_server_address) => {
                 let mut config = ResolverConfig::new();

src/os/shared.rs

@@ -4,8 +4,8 @@ use std::{
     time,
 };
 
-use anyhow::{anyhow, bail};
 use crossterm::event::{read, Event};
+use eyre::{bail, eyre};
 use itertools::Itertools;
 use log::{debug, warn};
 use pnet::datalink::{self, Channel::Ethernet, Config, DataLinkReceiver, NetworkInterface};
@@ -99,11 +99,11 @@ pub fn get_input(
     interface_name: Option<&str>,
     resolve: bool,
     dns_server: Option<Ipv4Addr>,
-) -> anyhow::Result<OsInputOutput> {
+) -> eyre::Result<OsInputOutput> {
     // get the user's requested interface, if any
     // IDEA: allow requesting multiple interfaces
     let requested_interfaces = interface_name
-        .map(|name| get_interface(name).ok_or_else(|| anyhow!("Cannot find interface {name}")))
+        .map(|name| get_interface(name).ok_or_else(|| eyre!("Cannot find interface {name}")))
         .transpose()?
         .map(|interface| vec![interface]);
 
@@ -200,7 +200,7 @@ pub fn get_input(
         let resolver = runtime
             .block_on(dns::Resolver::new(dns_server))
             .map_err(|err| {
-                anyhow!("Could not initialize the DNS resolver. Are you offline?\n\nReason: {err}")
+                eyre!("Could not initialize the DNS resolver. Are you offline?\n\nReason: {err}")
             })?;
         let dns_client = dns::Client::new(resolver, runtime)?;
         Some(dns_client)