From 1222e6cd4172657143202882e7189274352e2cd5 Mon Sep 17 00:00:00 2001
From: Chris <ccbrown112@gmail.com>
Date: Sun, 20 Aug 2017 23:47:14 -0500
Subject: make config.json play nicely with version control (#7221)

---
 utils/config.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'utils')

diff --git a/utils/config.go b/utils/config.go
index 36474c921..aa5b50146 100644
--- a/utils/config.go
+++ b/utils/config.go
@@ -7,6 +7,7 @@ import (
 	"crypto/md5"
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -308,6 +309,22 @@ func LoadConfig(fileName string) {
 	viper.AddConfigPath(".")
 
 	configReadErr := viper.ReadInConfig()
+	if configReadErr != nil {
+		if _, ok := configReadErr.(viper.ConfigFileNotFoundError); ok {
+			// In case of a file-not-found error, try to copy default.json if it's present.
+			defaultPath := FindConfigFile("default.json")
+			if src, err := os.Open(defaultPath); err == nil {
+				if dest, err := os.OpenFile(filepath.Join(filepath.Dir(defaultPath), "config.json"), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600); err == nil {
+					if _, err := io.Copy(dest, src); err == nil {
+						configReadErr = viper.ReadInConfig()
+					}
+					dest.Close()
+				}
+				src.Close()
+			}
+		}
+	}
+
 	if configReadErr != nil {
 		errMsg := T("utils.config.load_config.opening.panic", map[string]interface{}{"Filename": fileName, "Error": configReadErr.Error()})
 		fmt.Fprintln(os.Stderr, errMsg)
-- 
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