1 files changed, 23 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/states/statefile/version0.go b/vendor/github.com/hashicorp/terraform/states/statefile/version0.go
new file mode 100644
index 0000000..9b53331
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/states/statefile/version0.go
@@ -0,0 +1,23 @@
+package statefile
+
+// looksLikeVersion0 sniffs for the signature indicating a version 0 state
+// file.
+//
+// Version 0 was the number retroactively assigned to Terraform's initial
+// (unversioned) binary state file format, which was later superseded by the
+// version 1 format in JSON.
+//
+// Version 0 is no longer supported, so this is used only to detect it and
+// return a nice error to the user.
+func looksLikeVersion0(src []byte) bool {
+        // Version 0 files begin with the magic prefix "tfstate".
+        const magic = "tfstate"
+        if len(src) < len(magic) {
+                // Not even long enough to have the magic prefix
+                return false
+        }
+        if string(src[0:len(magic)]) == magic {
+                return true
+        }
+        return false
+}