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-rw-r--r--plumbing/format/packfile/common.go30
1 files changed, 30 insertions, 0 deletions
diff --git a/plumbing/format/packfile/common.go b/plumbing/format/packfile/common.go
index 1656551..7da2b33 100644
--- a/plumbing/format/packfile/common.go
+++ b/plumbing/format/packfile/common.go
@@ -1,5 +1,11 @@
package packfile
+import (
+ "io"
+
+ "gopkg.in/src-d/go-git.v4/plumbing/storer"
+)
+
var signature = []byte{'P', 'A', 'C', 'K'}
const (
@@ -13,3 +19,27 @@ const (
maskLength = uint8(127) // 0111 1111
maskType = uint8(112) // 0111 0000
)
+
+// UpdateObjectStorage updates the given ObjectStorer with the contents of the
+// packfile.
+func UpdateObjectStorage(s storer.EncodedObjectStorer, packfile io.Reader) error {
+ if sw, ok := s.(storer.PackfileWriter); ok {
+ w, err := sw.PackfileWriter()
+ if err != nil {
+ return err
+ }
+
+ defer w.Close()
+ _, err = io.Copy(w, packfile)
+ return err
+ }
+
+ stream := NewScanner(packfile)
+ d, err := NewDecoder(stream, s)
+ if err != nil {
+ return err
+ }
+
+ _, err = d.Decode()
+ return err
+}