vendor: github.com/moby/buildkit 5ae9b23c40a9 (master / v0.13.0-dev)

full diff:

- 36ef4d8c0d...f098008783
- d5c1d785b0...5ae9b23c40

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

vendor/github.com/moby/buildkit/client/solve.go

@@ -35,7 +35,8 @@ import (
 
 type SolveOpt struct {
 	Exports               []ExportEntry
-	LocalDirs             map[string]string
+	LocalDirs             map[string]string // Deprecated: use LocalMounts
+	LocalMounts           map[string]fsutil.FS
 	OCIStores             map[string]content.Store
 	SharedKey             string
 	Frontend              string
@@ -90,7 +91,11 @@ func (c *Client) solve(ctx context.Context, def *llb.Definition, runGateway runG
 		return nil, errors.New("invalid with def and cb")
 	}
 
-	syncedDirs, err := prepareSyncedDirs(def, opt.LocalDirs)
+	mounts, err := prepareMounts(&opt)
+	if err != nil {
+		return nil, err
+	}
+	syncedDirs, err := prepareSyncedFiles(def, mounts)
 	if err != nil {
 		return nil, err
 	}
@@ -361,26 +366,23 @@ func (c *Client) solve(ctx context.Context, def *llb.Definition, runGateway runG
 	return res, nil
 }
 
-func prepareSyncedDirs(def *llb.Definition, localDirs map[string]string) (filesync.StaticDirSource, error) {
-	for _, d := range localDirs {
-		fi, err := os.Stat(d)
-		if err != nil {
-			return nil, errors.Wrapf(err, "could not find %s", d)
-		}
-		if !fi.IsDir() {
-			return nil, errors.Errorf("%s not a directory", d)
-		}
-	}
+func prepareSyncedFiles(def *llb.Definition, localMounts map[string]fsutil.FS) (filesync.StaticDirSource, error) {
 	resetUIDAndGID := func(p string, st *fstypes.Stat) fsutil.MapResult {
 		st.Uid = 0
 		st.Gid = 0
 		return fsutil.MapResultKeep
 	}
 
-	dirs := make(filesync.StaticDirSource, len(localDirs))
+	result := make(filesync.StaticDirSource, len(localMounts))
 	if def == nil {
-		for name, d := range localDirs {
-			dirs[name] = filesync.SyncedDir{Dir: d, Map: resetUIDAndGID}
+		for name, mount := range localMounts {
+			mount, err := fsutil.NewFilterFS(mount, &fsutil.FilterOpt{
+				Map: resetUIDAndGID,
+			})
+			if err != nil {
+				return nil, err
+			}
+			result[name] = mount
 		}
 	} else {
 		for _, dt := range def.Def {
@@ -391,16 +393,22 @@ func prepareSyncedDirs(def *llb.Definition, localDirs map[string]string) (filesy
 			if src := op.GetSource(); src != nil {
 				if strings.HasPrefix(src.Identifier, "local://") {
 					name := strings.TrimPrefix(src.Identifier, "local://")
-					d, ok := localDirs[name]
+					mount, ok := localMounts[name]
 					if !ok {
 						return nil, errors.Errorf("local directory %s not enabled", name)
 					}
-					dirs[name] = filesync.SyncedDir{Dir: d, Map: resetUIDAndGID}
+					mount, err := fsutil.NewFilterFS(mount, &fsutil.FilterOpt{
+						Map: resetUIDAndGID,
+					})
+					if err != nil {
+						return nil, err
+					}
+					result[name] = mount
 				}
 			}
 		}
 	}
-	return dirs, nil
+	return result, nil
 }
 
 func defaultSessionName() string {
@@ -523,3 +531,22 @@ func parseCacheOptions(ctx context.Context, isGateway bool, opt SolveOpt) (*cach
 	}
 	return &res, nil
 }
+
+func prepareMounts(opt *SolveOpt) (map[string]fsutil.FS, error) {
+	// merge local mounts and fallback local directories together
+	mounts := make(map[string]fsutil.FS)
+	for k, mount := range opt.LocalMounts {
+		mounts[k] = mount
+	}
+	for k, dir := range opt.LocalDirs {
+		mount, err := fsutil.NewFS(dir)
+		if err != nil {
+			return nil, err
+		}
+		if _, ok := mounts[k]; ok {
+			return nil, errors.Errorf("local mount %s already exists", k)
+		}
+		mounts[k] = mount
+	}
+	return mounts, nil
+}