From d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Wed, 17 May 2017 16:51:25 -0400
Subject: Upgrading server dependancies (#6431)

---
 .../nicksnyder/go-i18n/i18n/bundle/bundle.go       | 39 +++++++++++++++++++---
 1 file changed, 34 insertions(+), 5 deletions(-)

(limited to 'vendor/github.com/nicksnyder/go-i18n/i18n/bundle')

diff --git a/vendor/github.com/nicksnyder/go-i18n/i18n/bundle/bundle.go b/vendor/github.com/nicksnyder/go-i18n/i18n/bundle/bundle.go
index 2ad1d7cc3..a2291362f 100644
--- a/vendor/github.com/nicksnyder/go-i18n/i18n/bundle/bundle.go
+++ b/vendor/github.com/nicksnyder/go-i18n/i18n/bundle/bundle.go
@@ -9,6 +9,7 @@ import (
 	"path/filepath"
 	"reflect"
 	"sync"
+	"unicode"
 
 	"github.com/nicksnyder/go-i18n/i18n/language"
 	"github.com/nicksnyder/go-i18n/i18n/translation"
@@ -86,8 +87,8 @@ func parseTranslations(filename string, buf []byte) ([]translation.Translation,
 
 	ext := filepath.Ext(filename)
 
-	// `github.com/pelletier/go-toml` has an Unmarshal function,
-	// that can't unmarshal to maps, so we should parse TOML format separately.
+	// `github.com/pelletier/go-toml` lacks an Unmarshal function,
+	// so we should parse TOML separately.
 	if ext == ".toml" {
 		tree, err := toml.LoadReader(bytes.NewReader(buf))
 		if err != nil {
@@ -119,11 +120,39 @@ func parseTranslations(filename string, buf []byte) ([]translation.Translation,
 }
 
 func isStandardFormat(ext string, buf []byte) bool {
+	buf = deleteLeadingComments(ext, buf)
 	firstRune := rune(buf[0])
-	if (ext == ".json" && firstRune == '[') || (ext == ".yaml" && firstRune == '-') {
-		return true
+	return (ext == ".json" && firstRune == '[') || (ext == ".yaml" && firstRune == '-')
+}
+
+// deleteLeadingComments deletes leading newlines and comments in buf.
+// It only works for ext == ".yaml".
+func deleteLeadingComments(ext string, buf []byte) []byte {
+	if ext != ".yaml" {
+		return buf
 	}
-	return false
+
+	for {
+		buf = bytes.TrimLeftFunc(buf, unicode.IsSpace)
+		if buf[0] == '#' {
+			buf = deleteLine(buf)
+		} else {
+			break
+		}
+	}
+
+	return buf
+}
+
+func deleteLine(buf []byte) []byte {
+	index := bytes.IndexRune(buf, '\n')
+	if index == -1 { // If there is only one line without newline ...
+		return nil // ... delete it and return nothing.
+	}
+	if index == len(buf)-1 { // If there is only one line with newline ...
+		return nil // ... do the same as above.
+	}
+	return buf[index+1:]
 }
 
 // unmarshal finds an appropriate unmarshal function for ext
-- 
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