1 files changed, 41 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/plugin/discovery/meta.go b/vendor/github.com/hashicorp/terraform/plugin/discovery/meta.go
new file mode 100644
index 0000000..bdcebcb
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/plugin/discovery/meta.go
@@ -0,0 +1,41 @@
+package discovery
+
+import (
+        "crypto/sha256"
+        "io"
+        "os"
+)
+
+// PluginMeta is metadata about a plugin, useful for launching the plugin
+// and for understanding which plugins are available.
+type PluginMeta struct {
+        // Name is the name of the plugin, e.g. as inferred from the plugin
+        // binary's filename, or by explicit configuration.
+        Name string
+
+        // Version is the semver version of the plugin, expressed as a string
+        // that might not be semver-valid.
+        Version VersionStr
+
+        // Path is the absolute path of the executable that can be launched
+        // to provide the RPC server for this plugin.
+        Path string
+}
+
+// SHA256 returns a SHA256 hash of the content of the referenced executable
+// file, or an error if the file's contents cannot be read.
+func (m PluginMeta) SHA256() ([]byte, error) {
+        f, err := os.Open(m.Path)
+        if err != nil {
+                return nil, err
+        }
+        defer f.Close()
+
+        h := sha256.New()
+        _, err = io.Copy(h, f)
+        if err != nil {
+                return nil, err
+        }
+
+        return h.Sum(nil), nil
+}