vendor: update c/{buildah,common,image,storage} to main

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

vendor/github.com/moby/buildkit/frontend/dockerfile/parser/errors.go

@@ -5,14 +5,14 @@ import (
 	"github.com/pkg/errors"
 )
 
-// ErrorLocation gives a location in source code that caused the error
-type ErrorLocation struct {
+// LocationError gives a location in source code that caused the error
+type LocationError struct {
 	Locations [][]Range
 	error
 }
 
 // Unwrap unwraps to the next error
-func (e *ErrorLocation) Unwrap() error {
+func (e *LocationError) Unwrap() error {
 	return e.error
 }
 
@@ -45,7 +45,7 @@ func setLocation(err error, location []Range, add bool) error {
 	if err == nil {
 		return nil
 	}
-	var el *ErrorLocation
+	var el *LocationError
 	if errors.As(err, &el) {
 		if add {
 			el.Locations = append(el.Locations, location)
@@ -54,7 +54,7 @@ func setLocation(err error, location []Range, add bool) error {
 		}
 		return err
 	}
-	return stack.Enable(&ErrorLocation{
+	return stack.Enable(&LocationError{
 		error:     err,
 		Locations: [][]Range{location},
 	})

vendor/github.com/moby/buildkit/frontend/dockerfile/parser/line_parsers.go

@@ -318,7 +318,7 @@ func parseMaybeJSON(rest string, d *directives) (*Node, map[string]bool, error)
 	if err == nil {
 		return node, attrs, nil
 	}
-	if err == errDockerfileNotStringArray {
+	if errors.Is(err, errDockerfileNotStringArray) {
 		return nil, nil, err
 	}
 
@@ -336,7 +336,7 @@ func parseMaybeJSONToList(rest string, d *directives) (*Node, map[string]bool, e
 	if err == nil {
 		return node, attrs, nil
 	}
-	if err == errDockerfileNotStringArray {
+	if errors.Is(err, errDockerfileNotStringArray) {
 		return nil, nil, err
 	}
 

vendor/github.com/moby/buildkit/frontend/dockerfile/parser/parser.go

@@ -114,7 +114,7 @@ type Heredoc struct {
 var (
 	dispatch      map[string]func(string, *directives) (*Node, map[string]bool, error)
 	reWhitespace  = regexp.MustCompile(`[\t\v\f\r ]+`)
-	reHeredoc     = regexp.MustCompile(`^(\d*)<<(-?)([^<]*)$`)
+	reHeredoc     = regexp.MustCompile(`^(\d*)<<(-?)\s*([^<]*)$`)
 	reLeadingTabs = regexp.MustCompile(`(?m)^\t+`)
 )
 
@@ -556,8 +556,8 @@ func scanLines(data []byte, atEOF bool) (advance int, token []byte, err error) {
 }
 
 func handleScannerError(err error) error {
-	switch err {
-	case bufio.ErrTooLong:
+	switch {
+	case errors.Is(err, bufio.ErrTooLong):
 		return errors.Errorf("dockerfile line greater than max allowed size of %d", bufio.MaxScanTokenSize-1)
 	default:
 		return err

vendor/github.com/moby/buildkit/frontend/dockerfile/shell/lex.go

@@ -177,6 +177,7 @@ func (sw *shellWord) processStopOn(stopChar rune, rawEscapes bool) (string, []st
 	// no need to initialize all the time
 	var charFuncMapping = map[rune]func() (string, error){
 		'$': sw.processDollar,
+		'<': sw.processPossibleHeredoc,
 	}
 	if !sw.SkipProcessQuotes {
 		charFuncMapping['\''] = sw.processSingleQuote
@@ -512,6 +513,25 @@ func (sw *shellWord) processName() string {
 	return name.String()
 }
 
+func (sw *shellWord) processPossibleHeredoc() (string, error) {
+	sw.scanner.Next()
+	if sw.scanner.Peek() != '<' {
+		return "<", nil // not a heredoc
+	}
+	sw.scanner.Next()
+
+	// heredoc might have whitespace between << and word terminator
+	var space bytes.Buffer
+	nextCh := sw.scanner.Peek()
+	for isWhitespace(nextCh) {
+		space.WriteRune(nextCh)
+		sw.scanner.Next()
+		nextCh = sw.scanner.Peek()
+	}
+	result := "<<" + space.String()
+	return result, nil
+}
+
 // isSpecialParam checks if the provided character is a special parameters,
 // as defined in http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_05_02
 func isSpecialParam(char rune) bool {
@@ -677,3 +697,11 @@ func trimSuffix(pattern, word string, greedy bool) (string, error) {
 	}
 	return reverseString(str), nil
 }
+
+func isWhitespace(r rune) bool {
+	switch r {
+	case '\t', '\r', ' ':
+		return true
+	}
+	return false
+}

vendor/github.com/moby/buildkit/util/stack/compress.go

@@ -25,7 +25,7 @@ loop0:
 			}
 			// full match, potentially skip all
 			if idx == len(st.Frames)-1 {
-				if st.Pid == prev.Pid && st.Version == prev.Version && slices.Compare(st.Cmdline, st.Cmdline) == 0 {
+				if st.Pid == prev.Pid && st.Version == prev.Version && slices.Equal(st.Cmdline, prev.Cmdline) {
 					continue loop0
 				}
 			}

vendor/github.com/moby/buildkit/util/stack/stack.go

@@ -50,7 +50,7 @@ func Traces(err error) []*Stack {
 func traces(err error) []*Stack {
 	var st []*Stack
 
-	switch e := err.(type) {
+	switch e := err.(type) { //nolint:errorlint
 	case interface{ Unwrap() error }:
 		st = Traces(e.Unwrap())
 	case interface{ Unwrap() []error }:
@@ -63,7 +63,7 @@ func traces(err error) []*Stack {
 		}
 	}
 
-	switch ste := err.(type) {
+	switch ste := err.(type) { //nolint:errorlint
 	case interface{ StackTrace() errors.StackTrace }:
 		st = append(st, convertStack(ste.StackTrace()))
 	case interface{ StackTrace() *Stack }:
@@ -85,7 +85,7 @@ func Enable(err error) error {
 }
 
 func Wrap(err error, s *Stack) error {
-	return &withStack{stack: s, error: err}
+	return &withStackError{stack: s, error: err}
 }
 
 func hasLocalStackTrace(err error) bool {
@@ -173,15 +173,15 @@ func convertStack(s errors.StackTrace) *Stack {
 	return &out
 }
 
-type withStack struct {
+type withStackError struct {
 	stack *Stack
 	error
 }
 
-func (e *withStack) Unwrap() error {
+func (e *withStackError) Unwrap() error {
 	return e.error
 }
 
-func (e *withStack) StackTrace() *Stack {
+func (e *withStackError) StackTrace() *Stack {
 	return e.stack
 }