From 5aead1509c681de533b8966e781e15327fe35ab6 Mon Sep 17 00:00:00 2001
From: Jhon Honce <jhonce@redhat.com>
Date: Wed, 23 Sep 2020 08:19:05 -0700
Subject: Add X-Registry-Config support

* Refactor auth pkg to support X-Registry-Config
* Refactor build endpoint to support X-Registry-Config. Supports:
  * --creds
  * --authfile
* Added X-Reference-Id Header to http.Request to support log event
  correlation
* Log headers from http.Request

Signed-off-by: Jhon Honce <jhonce@redhat.com>
---
 vendor/gopkg.in/yaml.v3/decode.go | 63 +++++++++++++++++++++++++--------------
 1 file changed, 40 insertions(+), 23 deletions(-)

(limited to 'vendor/gopkg.in/yaml.v3/decode.go')

diff --git a/vendor/gopkg.in/yaml.v3/decode.go b/vendor/gopkg.in/yaml.v3/decode.go
index be63169b7..21c0dacfd 100644
--- a/vendor/gopkg.in/yaml.v3/decode.go
+++ b/vendor/gopkg.in/yaml.v3/decode.go
@@ -35,6 +35,7 @@ type parser struct {
 	doc      *Node
 	anchors  map[string]*Node
 	doneInit bool
+	textless bool
 }
 
 func newParser(b []byte) *parser {
@@ -108,14 +109,18 @@ func (p *parser) peek() yaml_event_type_t {
 func (p *parser) fail() {
 	var where string
 	var line int
-	if p.parser.problem_mark.line != 0 {
+	if p.parser.context_mark.line != 0 {
+		line = p.parser.context_mark.line
+		// Scanner errors don't iterate line before returning error
+		if p.parser.error == yaml_SCANNER_ERROR {
+			line++
+		}
+	} else if p.parser.problem_mark.line != 0 {
 		line = p.parser.problem_mark.line
 		// Scanner errors don't iterate line before returning error
 		if p.parser.error == yaml_SCANNER_ERROR {
 			line++
 		}
-	} else if p.parser.context_mark.line != 0 {
-		line = p.parser.context_mark.line
 	}
 	if line != 0 {
 		where = "line " + strconv.Itoa(line) + ": "
@@ -169,17 +174,20 @@ func (p *parser) node(kind Kind, defaultTag, tag, value string) *Node {
 	} else if kind == ScalarNode {
 		tag, _ = resolve("", value)
 	}
-	return &Node{
-		Kind:        kind,
-		Tag:         tag,
-		Value:       value,
-		Style:       style,
-		Line:        p.event.start_mark.line + 1,
-		Column:      p.event.start_mark.column + 1,
-		HeadComment: string(p.event.head_comment),
-		LineComment: string(p.event.line_comment),
-		FootComment: string(p.event.foot_comment),
+	n := &Node{
+		Kind:  kind,
+		Tag:   tag,
+		Value: value,
+		Style: style,
+	}
+	if !p.textless {
+		n.Line = p.event.start_mark.line + 1
+		n.Column = p.event.start_mark.column + 1
+		n.HeadComment = string(p.event.head_comment)
+		n.LineComment = string(p.event.line_comment)
+		n.FootComment = string(p.event.foot_comment)
 	}
+	return n
 }
 
 func (p *parser) parseChild(parent *Node) *Node {
@@ -391,7 +399,7 @@ func (d *decoder) callObsoleteUnmarshaler(n *Node, u obsoleteUnmarshaler) (good
 //
 // If n holds a null value, prepare returns before doing anything.
 func (d *decoder) prepare(n *Node, out reflect.Value) (newout reflect.Value, unmarshaled, good bool) {
-	if n.ShortTag() == nullTag {
+	if n.ShortTag() == nullTag || n.Kind == 0 && n.IsZero() {
 		return out, false, false
 	}
 	again := true
@@ -497,8 +505,13 @@ func (d *decoder) unmarshal(n *Node, out reflect.Value) (good bool) {
 		good = d.mapping(n, out)
 	case SequenceNode:
 		good = d.sequence(n, out)
+	case 0:
+		if n.IsZero() {
+			return d.null(out)
+		}
+		fallthrough
 	default:
-		panic("internal error: unknown node kind: " + strconv.Itoa(int(n.Kind)))
+		failf("cannot decode node with unknown kind %d", n.Kind)
 	}
 	return good
 }
@@ -533,6 +546,17 @@ func resetMap(out reflect.Value) {
 	}
 }
 
+func (d *decoder) null(out reflect.Value) bool {
+	if out.CanAddr() {
+		switch out.Kind() {
+		case reflect.Interface, reflect.Ptr, reflect.Map, reflect.Slice:
+			out.Set(reflect.Zero(out.Type()))
+			return true
+		}
+	}
+	return false
+}
+
 func (d *decoder) scalar(n *Node, out reflect.Value) bool {
 	var tag string
 	var resolved interface{}
@@ -550,14 +574,7 @@ func (d *decoder) scalar(n *Node, out reflect.Value) bool {
 		}
 	}
 	if resolved == nil {
-		if out.CanAddr() {
-			switch out.Kind() {
-			case reflect.Interface, reflect.Ptr, reflect.Map, reflect.Slice:
-				out.Set(reflect.Zero(out.Type()))
-				return true
-			}
-		}
-		return false
+		return d.null(out)
 	}
 	if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() {
 		// We've resolved to exactly the type we want, so use that.
-- 
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