capture the git object hash

scm/content.go

@@ -11,6 +11,10 @@ type (
 	Content struct {
 		Path string
 		Data []byte
+
+		// the has of the blob. this is the equivalent
+		// to running the git hash-object command.
+		Hash string
 	}
 
 	// ContentParams provide parameters for creating and

scm/driver/github/content.go

@@ -8,6 +8,7 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+
 	"github.com/drone/go-scm/scm"
 )
 
@@ -21,6 +22,7 @@ func (s *contentService) Find(ctx context.Context, repo, path, ref string) (*scm
 	res, err := s.client.do(ctx, "GET", endpoint, nil, out)
 	raw, _ := base64.StdEncoding.DecodeString(out.Content)
 	return &scm.Content{
+		Hash: out.Sha,
 		Path: out.Path,
 		Data: raw,
 	}, res, err

scm/driver/github/testdata/content.json.golden

@@ -1,4 +1,5 @@
 {
     "Path": "README",
-    "Data": "SGVsbG8gV29ybGQhCg=="
+    "Data": "SGVsbG8gV29ybGQhCg==",
+    "Hash": "980a0d5f19a64b4b30a87d4206aade58726b60e3"
 }