2 files changed, 9 insertions, 47 deletions

diff --git a/src/errors.rs b/src/errors.rs
deleted file mode 100644
index 286a92e..0000000
--- a/src/errors.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use std;
-use walkdir;
-
-quick_error! {
-    #[derive(Debug)]
-    pub enum RuntimeError {
-        Walkdir(err: walkdir::Error) {
-            from()
-            cause(err)
-            display("File enumeration error: {}", err)
-        }
-        Io(err: std::io::Error) {
-            from()
-            cause(err)
-            display("I/O error: {}", err)
-        }
-        Parsing(err: evtclib::raw::ParseError) {
-            from()
-            cause(err)
-            display("Parsing error: {}", err)
-        }
-    }
-}
diff --git a/src/main.rs b/src/main.rs
index dbb8f36..eeecdc8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,18 +1,5 @@
-extern crate structopt;
-#[macro_use]
-extern crate quick_error;
-extern crate chrono;
-extern crate colored;
-extern crate evtclib;
-extern crate humantime;
-extern crate num_traits;
-extern crate rayon;
-extern crate regex;
-extern crate walkdir;
-extern crate zip;
-
 use std::fs::File;
-use std::io::{self, BufReader, Read, Seek};
+use std::io::{BufReader, Read, Seek};
 use std::path::PathBuf;
 use std::str::FromStr;
 
@@ -21,12 +8,10 @@ use num_traits::cast::FromPrimitive;
 use regex::Regex;
 use structopt::StructOpt;
 use walkdir::{DirEntry, WalkDir};
+use anyhow::{anyhow, Result};
 
 use evtclib::{AgentKind, AgentName, EventKind, Log};
 
-mod errors;
-use errors::RuntimeError;
-
 mod output;
 
 mod filters;
@@ -102,7 +87,7 @@ pub struct Opt {
     #[structopt(
         short = "a",
         long = "younger",
-        parse(try_from_str = "parse_time_arg")
+        parse(try_from_str = parse_time_arg)
     )]
     after: Option<NaiveDateTime>,
 
@@ -110,7 +95,7 @@ pub struct Opt {
     #[structopt(
         short = "b",
         long = "older",
-        parse(try_from_str = "parse_time_arg")
+        parse(try_from_str = parse_time_arg)
     )]
     before: Option<NaiveDateTime>,
 
@@ -119,7 +104,7 @@ pub struct Opt {
         short = "w",
         long = "weekdays",
         default_value = "*",
-        parse(try_from_str = "try_from_str_simple_error")
+        parse(try_from_str = try_from_str_simple_error)
     )]
     weekdays: CommaSeparatedList<Weekday>,
 
@@ -208,7 +193,7 @@ impl FromStr for FightOutcome {
     }
 }
 
-fn parse_time_arg(input: &str) -> Result<NaiveDateTime, &'static str> {
+fn parse_time_arg(input: &str) -> Result<NaiveDateTime> {
     if let Ok(duration) = humantime::parse_duration(input) {
         let now = chrono::Local::now().naive_local();
         let chrono_dur = Duration::from_std(duration).expect("Duration out of range!");
@@ -221,7 +206,7 @@ fn parse_time_arg(input: &str) -> Result<NaiveDateTime, &'static str> {
             .as_secs();
         return Ok(NaiveDateTime::from_timestamp(timestamp as i64, 0));
     }
-    Err("unknown time format")
+    Err(anyhow!("unknown time format"))
 }
 
 fn try_from_str_simple_error<T: FromStr>(input: &str) -> Result<T, String>
@@ -284,7 +269,7 @@ fn is_log_file(entry: &DirEntry) -> bool {
 }
 
 /// Run the grep search with the given options.
-fn grep(opt: &Opt) -> Result<(), RuntimeError> {
+fn grep(opt: &Opt) -> Result<()> {
     let pipeline = &output::build_pipeline(opt);
     rayon::scope(|s| {
         let walker = WalkDir::new(&opt.path);
@@ -312,7 +297,7 @@ fn grep(opt: &Opt) -> Result<(), RuntimeError> {
 /// If the log matches, returns `Ok(Some(..))`.
 /// If the log doesn't match, returns `Ok(None)`.
 /// If there was a fatal error, returns `Err(..)`.
-fn search_log(entry: &DirEntry, opt: &Opt) -> Result<Option<LogResult>, RuntimeError> {
+fn search_log(entry: &DirEntry, opt: &Opt) -> Result<Option<LogResult>> {
     let file_stream = BufReader::new(File::open(entry.path())?);
     let is_zip = entry
         .file_name()