storage/filesystem: check all Close errors

1 files changed, 3 insertions, 2 deletions

diff --git a/storage/filesystem/shallow.go b/storage/filesystem/shallow.go
index 107818c..394e6ed 100644
--- a/storage/filesystem/shallow.go
+++ b/storage/filesystem/shallow.go
@@ -6,6 +6,7 @@ import (
 
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem/internal/dotgit"
+	"gopkg.in/src-d/go-git.v4/utils/ioutil"
 )
 
 // ShallowStorage where the shallow commits are stored, an internal to
@@ -23,14 +24,14 @@ func (s *ShallowStorage) SetShallow(commits []plumbing.Hash) error {
 		return err
 	}
 
-	defer f.Close()
+	defer ioutil.CheckClose(f, &err)
 	for _, h := range commits {
 		if _, err := fmt.Fprintf(f, "%s\n", h); err != err {
 			return err
 		}
 	}
 
-	return nil
+	return err
 }
 
 // Shallow return the shallow commits reading from shallo file from .git