18258: add missing error check on os.Mkdir

Arvados-DCO-1.1-Signed-off-by: Ward Vandewege <ward@curii.com>

diff --git a/lib/crunchrun/singularity.go b/lib/crunchrun/singularity.go
index 9828d8734e021825e2f64a4846f323ae147b9258..681dbb6cc98803a2c9524a5987860b7f4ac9599b 100644 (file)
--- a/lib/crunchrun/singularity.go
+++ b/lib/crunchrun/singularity.go
@@ -160,7 +160,10 @@ func (e *singularityExecutor) LoadImage(dockerImageID string, imageTarballPath s
                        return err
                }
 
-               os.Mkdir(e.tmpdir+"/cache", 0700)
+               err = os.Mkdir(e.tmpdir+"/cache", 0700)
+               if err != nil {
+                       return err
+               }
                defer os.RemoveAll(e.tmpdir + "/cache")
 
                build := exec.Command("singularity", "build", imageFilename, "docker-archive://"+e.tmpdir+"/image.tar")