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-rw-r--r--plumbing/protocol/packp/advrefs.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/plumbing/protocol/packp/advrefs.go b/plumbing/protocol/packp/advrefs.go
index ab286c6..1bd724c 100644
--- a/plumbing/protocol/packp/advrefs.go
+++ b/plumbing/protocol/packp/advrefs.go
@@ -201,3 +201,11 @@ func (a *AdvRefs) addSymbolicRefs(s storer.ReferenceStorer) error {
func (a *AdvRefs) supportSymrefs() bool {
return a.Capabilities.Supports(capability.SymRef)
}
+
+// IsEmpty returns true if doesn't contain any reference.
+func (a *AdvRefs) IsEmpty() bool {
+ return a.Head == nil &&
+ len(a.References) == 0 &&
+ len(a.Peeled) == 0 &&
+ len(a.Shallows) == 0
+}