build: add no-cache-filter

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

build/build.go

@@ -67,6 +67,7 @@ type Options struct {
 	Labels        map[string]string
 	NetworkMode   string
 	NoCache       bool
+	NoCacheFilter []string
 	Platforms     []specs.Platform
 	Pull          bool
 	Session       []session.Attachable
@@ -527,6 +528,9 @@ func toSolveOpt(ctx context.Context, d driver.Driver, multiDriver bool, opt Opti
 	if opt.Target != "" {
 		so.FrontendAttrs["target"] = opt.Target
 	}
+	if len(opt.NoCacheFilter) > 0 {
+		so.FrontendAttrs["no-cache"] = strings.Join(opt.NoCacheFilter, ",")
+	}
 	if opt.NoCache {
 		so.FrontendAttrs["no-cache"] = ""
 	}

commands/build.go

@@ -52,6 +52,7 @@ type buildOptions struct {
 	imageIDFile   string
 	labels        []string
 	networkMode   string
+	noCacheFilter []string
 	outputs       []string
 	platforms     []string
 	quiet         bool
@@ -122,6 +123,7 @@ func runBuild(dockerCli command.Cli, in buildOptions) (err error) {
 		Labels:        listToMap(in.labels, false),
 		NetworkMode:   in.networkMode,
 		NoCache:       noCache,
+		NoCacheFilter: in.noCacheFilter,
 		Pull:          pull,
 		ShmSize:       in.shmSize,
 		Tags:          in.tags,
@@ -363,6 +365,8 @@ func buildCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
 
 	flags.StringVar(&options.networkMode, "network", "default", `Set the networking mode for the "RUN" instructions during build`)
 
+	flags.StringArrayVar(&options.noCacheFilter, "no-cache-filter", []string{}, "Do not cache specified stages")
+
 	flags.StringArrayVarP(&options.outputs, "output", "o", []string{}, `Output destination (format: "type=local,dest=path")`)
 
 	flags.StringArrayVar(&options.platforms, "platform", platformsDefault, "Set target platform for build")

docs/reference/buildx_build.md

@@ -30,6 +30,7 @@ Start a build
 | `--metadata-file string` | Write build result metadata to the file |
 | `--network string` | Set the networking mode for the `RUN` instructions during build |
 | `--no-cache` | Do not use cache when building the image |
+| `--no-cache-filter stringArray` | Do not cache specified stages |
 | [`-o`](#output), [`--output stringArray`](#output) | Output destination (format: `type=local,dest=path`) |
 | [`--platform stringArray`](#platform) | Set target platform for build |
 | [`--progress string`](#progress) | Set type of progress output (`auto`, `plain`, `tty`). Use plain to show container output |