fix function name on comment (#2707)

Signed-off-by: geekvest <cuimoman@sohu.com>

pkg/dockerfile/dockerfile.go

@@ -102,7 +102,7 @@ func Parse(b []byte) ([]instructions.Stage, []instructions.ArgCommand, error) {
 	return stages, metaArgs, nil
 }
 
-// expandNestedArgs tries to resolve nested ARG value against the previously defined ARGs
+// expandNested tries to resolve nested ARG value against the previously defined ARGs
 func expandNested(metaArgs []instructions.ArgCommand, buildArgs []string) ([]instructions.ArgCommand, error) {
 	var prevArgs []string
 	for i, marg := range metaArgs {

pkg/executor/build.go

@@ -751,7 +751,7 @@ func DoBuild(opts *config.KanikoOptions) (v1.Image, error) {
 	return nil, err
 }
 
-// fileToSave returns all the files matching the given pattern in deps.
+// filesToSave returns all the files matching the given pattern in deps.
 // If a file is a symlink, it also returns the target file.
 func filesToSave(deps []string) ([]string, error) {
 	srcFiles := []string{}

pkg/util/tar_util.go

@@ -148,7 +148,7 @@ const (
 	securityCapabilityXattr = "security.capability"
 )
 
-// writeSecurityXattrToTarHeader writes security.capability
+// writeSecurityXattrToToFile writes security.capability
 // xattrs from a tar header to filesystem
 func writeSecurityXattrToToFile(path string, hdr *tar.Header) error {
 	if hdr.Xattrs == nil {