files2.0: no error from Entries

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>

cmd/ipfs/init.go

@@ -85,7 +85,7 @@ environment variable:
 
 		f := req.Files
 		if f != nil {
-			it, _ := req.Files.Entries()
+			it := req.Files.Entries()
 			if !it.Next() && it.Err() != nil {
 				return it.Err()
 			}

core/commands/block.go

@@ -153,7 +153,7 @@ than 'sha2-256' or format to anything other than 'v0' will result in CIDv1.
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/commands/config.go

@@ -280,7 +280,7 @@ can't be undone.
 		}
 		defer r.Close()
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/commands/dag/dag.go

@@ -92,7 +92,7 @@ into an object of the specified format.
 			defer nd.Blockstore.PinLock().Unlock()
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		for it.Next() {
 			if it.File() == nil {
 				return fmt.Errorf("expected a regular file")

core/commands/files.go

@@ -769,7 +769,7 @@ stat' on the file or any of its ancestors.
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/commands/object/object.go

@@ -391,7 +391,7 @@ And then run:
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/commands/object/patch.go

@@ -60,7 +60,7 @@ the limit will not be respected by the network.
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}
@@ -110,7 +110,7 @@ Example:
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/commands/tar.go

@@ -44,7 +44,7 @@ represent it.
 			return err
 		}
 
-		it, _ := req.Files.Entries()
+		it := req.Files.Entries()
 		if !it.Next() && it.Err() != nil {
 			return it.Err()
 		}

core/coreapi/unixfile.go

@@ -79,7 +79,7 @@ func (d *ufsDirectory) Close() error {
 	return nil
 }
 
-func (d *ufsDirectory) Entries() (files.DirIterator, error) {
+func (d *ufsDirectory) Entries() files.DirIterator {
 	fileCh := make(chan *ipld.Link, prefetchFiles)
 	go func() {
 		d.dir.ForEachLink(d.ctx, func(link *ipld.Link) error {
@@ -98,7 +98,7 @@ func (d *ufsDirectory) Entries() (files.DirIterator, error) {
 		ctx:   d.ctx,
 		files: fileCh,
 		dserv: d.dserv,
-	}, nil
+	}
 }
 
 func (d *ufsDirectory) Size() (int64, error) {

core/coreapi/unixfs_test.go

@@ -567,8 +567,8 @@ func TestAdd(t *testing.T) {
 					return
 				}
 
-				origIt, _ := orig.(files.Directory).Entries()
+				origIt := orig.(files.Directory).Entries()
-				gotIt, _ := got.(files.Directory).Entries()
+				gotIt := got.(files.Directory).Entries()
 
 				for {
 					if origIt.Next() {

core/coreunix/add.go

@@ -416,10 +416,7 @@ func (adder *Adder) AddAllAndPin(file files.Node) (ipld.Node, error) {
 		// Iterate over each top-level file and add individually. Otherwise the
 		// single files.File f is treated as a directory, affecting hidden file
 		// semantics.
-		it, err := tf.Entries()
+		it := tf.Entries()
-		if err != nil {
-			return nil, err
-		}
 		for it.Next() {
 			if err := adder.addFile(it.Name(), it.Node()); err != nil {
 				return nil, err
@@ -537,7 +534,7 @@ func (adder *Adder) addDir(path string, dir files.Directory) error {
 		return err
 	}
 
-	it, _ := dir.Entries()
+	it := dir.Entries()
 	for it.Next() {
 		fpath := gopath.Join(path, it.Name())