1 files changed, 26 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/go-getter/source.go b/vendor/github.com/hashicorp/go-getter/source.go
index 4d5ee3c..c63f2bb 100644
--- a/vendor/github.com/hashicorp/go-getter/source.go
+++ b/vendor/github.com/hashicorp/go-getter/source.go
@@ -1,6 +1,8 @@
 package getter
 
 import (
+        "fmt"
+        "path/filepath"
         "strings"
 )
 
@@ -34,3 +36,27 @@ func SourceDirSubdir(src string) (string, string) {
 
         return src, subdir
 }
+
+// SubdirGlob returns the actual subdir with globbing processed.
+//
+// dst should be a destination directory that is already populated (the
+// download is complete) and subDir should be the set subDir. If subDir
+// is an empty string, this returns an empty string.
+//
+// The returned path is the full absolute path.
+func SubdirGlob(dst, subDir string) (string, error) {
+        matches, err := filepath.Glob(filepath.Join(dst, subDir))
+        if err != nil {
+                return "", err
+        }
+
+        if len(matches) == 0 {
+                return "", fmt.Errorf("subdir %q not found", subDir)
+        }
+
+        if len(matches) > 1 {
+                return "", fmt.Errorf("subdir %q matches multiple paths", subDir)
+        }
+
+        return matches[0], nil
+}