deprecate frontend/dockerfile/dockerignore

This package was moved to github.com/moby/patternmatcher/ignorefile.
Mark the alias as deprecated.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

frontend/dockerfile/dockerignore/dockerignore_deprecated.go

@@ -7,6 +7,8 @@ import (
 )
 
 // ReadAll is an alias for [ignorefile.ReadAll].
+//
+// Deprecated: use [ignorefile.ReadAll] instead.
 func ReadAll(reader io.Reader) ([]string, error) {
 	return ignorefile.ReadAll(reader)
 }

frontend/dockerui/config.go

@@ -15,10 +15,10 @@ import (
 	"github.com/moby/buildkit/client/llb"
 	"github.com/moby/buildkit/exporter/containerimage/image"
 	"github.com/moby/buildkit/frontend/attestations"
-	"github.com/moby/buildkit/frontend/dockerfile/dockerignore"
 	"github.com/moby/buildkit/frontend/gateway/client"
 	"github.com/moby/buildkit/solver/pb"
 	"github.com/moby/buildkit/util/flightcontrol"
+	"github.com/moby/patternmatcher/ignorefile"
 	digest "github.com/opencontainers/go-digest"
 	ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/pkg/errors"
@@ -442,7 +442,7 @@ func (bc *Client) MainContext(ctx context.Context, opts ...llb.LocalOption) (*ll
 
 	var excludes []string
 	if len(bc.dockerignore) != 0 {
-		excludes, err = dockerignore.ReadAll(bytes.NewBuffer(bc.dockerignore))
+		excludes, err = ignorefile.ReadAll(bytes.NewBuffer(bc.dockerignore))
 		if err != nil {
 			return nil, errors.Wrapf(err, "failed parsing %s", bc.dockerignoreName)
 		}

frontend/dockerui/namedcontext.go

@@ -11,9 +11,9 @@ import (
 	"github.com/moby/buildkit/client/llb"
 	"github.com/moby/buildkit/exporter/containerimage/exptypes"
 	"github.com/moby/buildkit/exporter/containerimage/image"
-	"github.com/moby/buildkit/frontend/dockerfile/dockerignore"
 	"github.com/moby/buildkit/frontend/gateway/client"
 	"github.com/moby/buildkit/util/imageutil"
+	"github.com/moby/patternmatcher/ignorefile"
 	"github.com/pkg/errors"
 )
 
@@ -206,7 +206,7 @@ func (bc *Client) namedContextRecursive(ctx context.Context, name string, nameWi
 			}) // error ignored
 
 			if len(dt) != 0 {
-				excludes, err = dockerignore.ReadAll(bytes.NewBuffer(dt))
+				excludes, err = ignorefile.ReadAll(bytes.NewBuffer(dt))
 				if err != nil {
 					return nil, nil, errors.Wrapf(err, "failed parsing %s", DefaultDockerignoreName)
 				}