buildinfo: named input contexts support

client/client_test.go

@@ -5194,12 +5194,13 @@ func testBuildInfoInline(t *testing.T, sb integration.Sandbox) {
 			require.NoError(t, err)
 
 			var config binfotypes.ImageConfig
-			err = json.Unmarshal(dt, &config)
+			require.NoError(t, json.Unmarshal(dt, &config))
+
+			dec, err := base64.StdEncoding.DecodeString(config.BuildInfo)
 			require.NoError(t, err)
 
 			var bi binfotypes.BuildInfo
-			err = json.Unmarshal(config.BuildInfo, &bi)
-			require.NoError(t, err)
+			require.NoError(t, json.Unmarshal(dec, &bi))
 
 			if tt.buildAttrs {
 				attrval := "bar"

docs/build-repro.md

@@ -6,18 +6,6 @@ Build dependencies are generated when your image has been built. These
 dependencies include versions of used images, git repositories and HTTP URLs
 used by LLB `Source` operation as well as build request attributes.
 
-By default, the build dependencies are inlined in the image configuration. You
-can disable this behavior with the [`buildinfo` attribute](../README.md#imageregistry).
-
-### Image config
-
-A new field similar to the one for inline cache has been added to the image
-configuration to embed build dependencies:
-
-```text
-"moby.buildkit.buildinfo.v1": <base64>
-```
-
 The structure is base64 encoded and has the following format when decoded:
 
 ```json
@@ -57,10 +45,25 @@ The structure is base64 encoded and has the following format when decoded:
 
 * `frontend` defines the frontend used to build.
 * `attrs` defines build request attributes.
-* `sources` defines build dependencies.
+* `sources` defines build sources.
   * `type` defines the source type (`docker-image`, `git` or `http`).
   * `ref` is the reference of the source.
   * `pin` is the source digest.
+* `deps` defines build dependencies of input contexts.
+
+### Image config
+
+A new field similar to the one for inline cache has been added to the image
+configuration to embed build dependencies:
+
+```json
+{
+  "moby.buildkit.buildinfo.v0": "<base64>"
+}
+```
+
+By default, the build dependencies are inlined in the image configuration. You
+can disable this behavior with the [`buildinfo` attribute](../README.md#imageregistry).
 
 ### Exporter response (metadata)
 

frontend/dockerfile/dockerfile2llb/convert.go

@@ -382,16 +382,16 @@ func Dockerfile2LLB(ctx context.Context, dt []byte, opt ConvertOpt) (*llb.State,
 
 	buildContext := &mutableOutput{}
 	ctxPaths := map[string]struct{}{}
-	buildinfo := &binfotypes.BuildInfo{}
+	buildInfo := &binfotypes.BuildInfo{}
 
 	for _, d := range allDispatchStates.states {
 		if !isReachable(target, d) {
 			continue
 		}
 
-		// collect build dependencies
+		// collect build sources and dependencies
 		if d.buildSource != nil {
-			buildinfo.Sources = append(buildinfo.Sources, *d.buildSource)
+			buildInfo.Sources = append(buildInfo.Sources, *d.buildSource)
 		}
 
 		if d.base != nil {
@@ -469,9 +469,9 @@ func Dockerfile2LLB(ctx context.Context, dt []byte, opt ConvertOpt) (*llb.State,
 	}
 
 	// sort build sources
-	if len(buildinfo.Sources) > 0 {
-		sort.Slice(buildinfo.Sources, func(i, j int) bool {
-			return buildinfo.Sources[i].Ref < buildinfo.Sources[j].Ref
+	if len(buildInfo.Sources) > 0 {
+		sort.Slice(buildInfo.Sources, func(i, j int) bool {
+			return buildInfo.Sources[i].Ref < buildInfo.Sources[j].Ref
 		})
 	}
 
@@ -512,7 +512,7 @@ func Dockerfile2LLB(ctx context.Context, dt []byte, opt ConvertOpt) (*llb.State,
 		target.image.Variant = platformOpt.targetPlatform.Variant
 	}
 
-	return &st, &target.image, buildinfo, nil
+	return &st, &target.image, buildInfo, nil
 }
 
 func metaArgsToMap(metaArgs []instructions.KeyValuePairOptional) map[string]string {