Clean up anyhow usage

src/ds_inhibit.rs

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-2-Clause */
-use anyhow::{Error, Result};
+use anyhow::{anyhow, Result};
 use inotify::{Event, EventMask, EventStream, Inotify, WatchDescriptor, WatchMask};
 use std::collections::HashMap;
 use std::ffi::OsString;
@@ -238,7 +238,7 @@ impl Inhibitor {
                 Some(fname) => PathBuf::from(fname),
                 None => {
                     error!("Got an event without an associated filename!");
-                    return Err(Error::msg("Got an event without an associated filename"));
+                    return Err(anyhow!("Got an event without an associated filename"));
                 }
             };
             debug!("New device {} found", path.display());

src/main.rs

@@ -5,7 +5,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-use anyhow::{bail, Error, Result};
+use anyhow::{anyhow, bail, Error, Result};
 use std::path::PathBuf;
 use tokio::signal::unix::{signal, SignalKind};
 use tokio::task::JoinSet;
@@ -103,7 +103,7 @@ pub fn get_appid(pid: u32) -> Result<Option<u64>> {
     };
     let ppid = match stat.split(' ').nth(1) {
         Some(ppid) => ppid,
-        None => return Err(anyhow::Error::msg("stat data invalid")),
+        None => return Err(anyhow!("stat data invalid")),
     };
     let ppid: u32 = ppid.parse()?;
     if ppid > 1 {
@@ -116,7 +116,10 @@ pub fn get_appid(pid: u32) -> Result<Option<u64>> {
 async fn reload() -> Result<()> {
     loop {
         let mut sighup = signal(SignalKind::hangup())?;
-        sighup.recv().await.ok_or(Error::msg(""))?;
+        sighup
+            .recv()
+            .await
+            .ok_or(anyhow!("SIGHUP handler failed!"))?;
     }
 }
 
@@ -173,8 +176,8 @@ async fn main() -> Result<()> {
             Err(e) => Err(e.into())
         },
         _ = tokio::signal::ctrl_c() => Ok(()),
-        e = sigterm.recv() => e.ok_or(Error::msg("SIGTERM machine broke")),
+        e = sigterm.recv() => e.ok_or(anyhow!("SIGTERM machine broke")),
-        _ = sigquit.recv() => Err(Error::msg("Got SIGQUIT")),
+        _ = sigquit.recv() => Err(anyhow!("Got SIGQUIT")),
         e = reload() => e,
     }
     .inspect_err(|e| error!("Encountered error running: {e}"));

src/sls/ftrace.rs

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-2-Clause */
-use anyhow::{Error, Result};
+use anyhow::{anyhow, Result};
 use std::collections::HashMap;
 use std::fmt::Debug;
 use std::path::{Path, PathBuf};
@@ -95,7 +95,7 @@ impl Service for Ftrace {
             let mut string = String::new();
             self.pipe
                 .as_mut()
-                .ok_or(Error::msg("BUG: trace_pipe missing"))?
+                .ok_or(anyhow!("BUG: trace_pipe missing"))?
                 .read_line(&mut string)
                 .await?;
             if let Err(e) = self.handle_event(string.trim_end()).await {