From 61deb08605f6e075d27290182963777f493882f5 Mon Sep 17 00:00:00 2001
From: "Harry R. Schwartz" <hello@harryrschwartz.com>
Date: Tue, 20 Jun 2023 11:49:16 -0400
Subject: [PATCH] If a file's missing, don't panic but show error

Dumping a stack trace on a typo is a bad user experience.
---
 corpus/corpus.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/corpus/corpus.go b/corpus/corpus.go
index 2e73e27..4ea97db 100644
--- a/corpus/corpus.go
+++ b/corpus/corpus.go
@@ -1,8 +1,10 @@
 package corpus
 
 import (
+	"errors"
 	"fmt"
 	"io/fs"
+	"log"
 	"math"
 	"os"
 	"path/filepath"
@@ -44,7 +46,11 @@ func ParseCorpus(query *Document, paths []string, config *Config) *Corpus {
 	for _, path := range paths {
 		err := filepath.WalkDir(path, func(xpath string, xinfo fs.DirEntry, xerr error) error {
 			if xerr != nil {
-				panic(xerr)
+				if errors.Is(xerr, os.ErrNotExist) {
+					log.Fatal("no such file or directory: ", path)
+				} else {
+					panic(xerr)
+				}
 			}
 
 			// Don't parse directories or symlinks (or the queried file, if so configured)