1 files changed, 45 insertions, 0 deletions
diff --git a/network/receivepack/service/hook.go b/network/receivepack/service/hook.go
new file mode 100644
index 00000000..750720dd
--- /dev/null
+++ b/network/receivepack/service/hook.go
@@ -0,0 +1,45 @@
+package service
+
+import (
+	"context"
+	"io"
+
+	objectid "codeberg.org/lindenii/furgit/object/id"
+	objectstorer "codeberg.org/lindenii/furgit/object/storer"
+	refstore "codeberg.org/lindenii/furgit/ref/store"
+)
+
+type HookIO struct {
+	Progress io.Writer
+	Error    io.Writer
+}
+
+type RefUpdate struct {
+	Name  string
+	OldID objectid.ObjectID
+	NewID objectid.ObjectID
+}
+
+type UpdateDecision struct {
+	Accept  bool
+	Message string
+}
+
+// HookRequest is the borrowed view passed to one Hook invocation.
+//
+// Refs, ExistingObjects, and QuarantinedObjects are borrowed and are only
+// valid for the duration of the hook call.
+type HookRequest struct {
+	Refs               refstore.ReadingStore
+	ExistingObjects    objectstorer.Store
+	QuarantinedObjects objectstorer.Store
+	Updates            []RefUpdate
+	PushOptions        []string
+	IO                 HookIO
+}
+
+// Hook is an optional per-request validation hook.
+//
+// Hook borrows the data and stores in HookRequest only for the duration of the
+// call.
+type Hook func(context.Context, HookRequest) ([]UpdateDecision, error)