From a0fd6d98e09111272017c02f7623f06be5e0ad46 Mon Sep 17 00:00:00 2001
From: Andrew Benton <andrew@benton.io>
Date: Tue, 18 Apr 2023 15:39:33 -0700
Subject: [PATCH] Avoid some unnecessary buffering when reading config file

---
 internal/cmd/generate.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/internal/cmd/generate.go b/internal/cmd/generate.go
index b828c21193..1d68643f48 100644
--- a/internal/cmd/generate.go
+++ b/internal/cmd/generate.go
@@ -100,13 +100,14 @@ func readConfig(stderr io.Writer, dir, filename string) (string, *config.Config,
 	}
 
 	base := filepath.Base(configPath)
-	blob, err := os.ReadFile(configPath)
+	file, err := os.Open(configPath)
 	if err != nil {
 		fmt.Fprintf(stderr, "error parsing %s: file does not exist\n", base)
 		return "", nil, err
 	}
+	defer file.Close()
 
-	conf, err := config.ParseConfig(bytes.NewReader(blob))
+	conf, err := config.ParseConfig(file)
 	if err != nil {
 		switch err {
 		case config.ErrMissingVersion: