localstate: remove definition and inputs fields from group

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

commands/bake.go

@@ -287,7 +287,7 @@ func runBake(ctx context.Context, dockerCli command.Cli, targets []string, in ba
 		}
 	}
 
-	if err := saveLocalStateGroup(dockerCli, in, targets, bo, overrides, def); err != nil {
+	if err := saveLocalStateGroup(dockerCli, in, targets, bo); err != nil {
 		return err
 	}
 
@@ -492,7 +492,14 @@ func bakeCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
 	return cmd
 }
 
-func saveLocalStateGroup(dockerCli command.Cli, in bakeOptions, targets []string, bo map[string]build.Options, overrides []string, def any) error {
+func saveLocalStateGroup(dockerCli command.Cli, in bakeOptions, targets []string, bo map[string]build.Options) error {
+	l, err := localstate.New(confutil.NewConfig(dockerCli))
+	if err != nil {
+		return err
+	}
+
+	defer l.MigrateIfNeeded()
+
 	prm := confutil.MetadataProvenance()
 	if len(in.metadataFile) == 0 {
 		prm = confutil.MetadataProvenanceModeDisabled
@@ -512,19 +519,10 @@ func saveLocalStateGroup(dockerCli command.Cli, in bakeOptions, targets []string
 	if len(refs) == 0 {
 		return nil
 	}
-	l, err := localstate.New(confutil.NewConfig(dockerCli))
+
-	if err != nil {
-		return err
-	}
-	dtdef, err := json.MarshalIndent(def, "", "  ")
-	if err != nil {
-		return err
-	}
 	return l.SaveGroup(groupRef, localstate.StateGroup{
-		Definition: dtdef,
-		Targets:    targets,
-		Inputs:     overrides,
 		Refs:    refs,
+		Targets: targets,
 	})
 }
 

localstate/localstate.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strconv"
 	"sync"
 
 	"github.com/docker/buildx/util/confutil"
@@ -14,6 +15,7 @@ import (
 )
 
 const (
+	version  = 2
 	refsDir  = "refs"
 	groupDir = "__group__"
 )
@@ -31,12 +33,8 @@ type State struct {
 }
 
 type StateGroup struct {
-	// Definition is the raw representation of the group (bake definition)
-	Definition []byte
 	// Targets are the targets invoked
 	Targets []string `json:",omitempty"`
-	// Inputs are the user inputs (bake overrides)
-	Inputs []string `json:",omitempty"`
 	// Refs are used to track all the refs that belong to the same group
 	Refs []string
 }
@@ -52,9 +50,7 @@ func New(cfg *confutil.Config) (*LocalState, error) {
 	if err := cfg.MkdirAll(refsDir, 0700); err != nil {
 		return nil, err
 	}
-	return &LocalState{
+	return &LocalState{cfg: cfg}, nil
-		cfg: cfg,
-	}, nil
 }
 
 func (ls *LocalState) ReadRef(builderName, nodeName, id string) (*State, error) {
@@ -87,8 +83,12 @@ func (ls *LocalState) SaveRef(builderName, nodeName, id string, st State) error
 	return ls.cfg.AtomicWriteFile(filepath.Join(refDir, id), dt, 0644)
 }
 
+func (ls *LocalState) GroupDir() string {
+	return filepath.Join(ls.cfg.Dir(), refsDir, groupDir)
+}
+
 func (ls *LocalState) ReadGroup(id string) (*StateGroup, error) {
-	dt, err := os.ReadFile(filepath.Join(ls.cfg.Dir(), refsDir, groupDir, id))
+	dt, err := os.ReadFile(filepath.Join(ls.GroupDir(), id))
 	if err != nil {
 		return nil, err
 	}
@@ -208,7 +208,7 @@ func (ls *LocalState) removeGroup(id string) error {
 	if id == "" {
 		return errors.Errorf("group ref empty")
 	}
-	f := filepath.Join(ls.cfg.Dir(), refsDir, groupDir, id)
+	f := filepath.Join(ls.GroupDir(), id)
 	if _, err := os.Lstat(f); err != nil {
 		if !os.IsNotExist(err) {
 			return err
@@ -230,3 +230,16 @@ func (ls *LocalState) validate(builderName, nodeName, id string) error {
 	}
 	return nil
 }
+
+func (ls *LocalState) readVersion() int {
+	if vdt, err := os.ReadFile(filepath.Join(ls.cfg.Dir(), refsDir, "version")); err == nil {
+		if v, err := strconv.Atoi(string(vdt)); err == nil {
+			return v
+		}
+	}
+	return 1
+}
+
+func (ls *LocalState) writeVersion(version int) error {
+	return ls.cfg.AtomicWriteFile(filepath.Join(refsDir, "version"), []byte(strconv.Itoa(version)), 0600)
+}

localstate/localstate_test.go

@@ -68,9 +68,7 @@ var (
 
 	testStateGroupID = "kvqs0sgly2rmitz84r25u9qd0"
 	testStateGroup   = StateGroup{
-		Definition: []byte(`{"group":{"default":{"targets":["pre-checkin"]},"pre-checkin":{"targets":["vendor-update","format","build"]}},"target":{"build":{"context":".","dockerfile":"dev.Dockerfile","target":"build-update","platforms":["linux/amd64"],"output":["."]},"format":{"context":".","dockerfile":"dev.Dockerfile","target":"format-update","platforms":["linux/amd64"],"output":["."]},"vendor-update":{"context":".","dockerfile":"dev.Dockerfile","target":"vendor-update","platforms":["linux/amd64"],"output":["."]}}}`),
 		Targets: []string{"pre-checkin"},
-		Inputs:     []string{"*.platform=linux/amd64"},
 		Refs:    []string{"builder/builder0/hx2qf1w11qvz1x3k471c5i8xw", "builder/builder0/968zj0g03jmlx0s8qslnvh6rl", "builder/builder0/naf44f9i1710lf7y12lv5hb1z"},
 	}
 

localstate/migrate.go

@@ -0,0 +1,56 @@
+package localstate
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+)
+
+func (ls *LocalState) MigrateIfNeeded() error {
+	currentVersion := ls.readVersion()
+	if currentVersion == version {
+		return nil
+	}
+	migrations := map[int]func(*LocalState) error{
+		2: (*LocalState).migration2,
+	}
+	for v := currentVersion + 1; v <= version; v++ {
+		migration, found := migrations[v]
+		if !found {
+			return errors.Errorf("localstate migration v%d not found", v)
+		}
+		if err := migration(ls); err != nil {
+			return errors.Wrapf(err, "localstate migration v%d failed", v)
+		}
+	}
+	return ls.writeVersion(version)
+}
+
+func (ls *LocalState) migration2() error {
+	return filepath.Walk(ls.GroupDir(), func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() {
+			return nil
+		}
+		dt, err := os.ReadFile(path)
+		if err != nil {
+			return err
+		}
+		var stg StateGroup
+		if err := json.Unmarshal(dt, &stg); err != nil {
+			return err
+		}
+		mdt, err := json.Marshal(stg)
+		if err != nil {
+			return err
+		}
+		if err := os.WriteFile(path, mdt, 0600); err != nil {
+			return err
+		}
+		return nil
+	})
+}