From 0c3d3686e42af140ab90c06e7c0cc08746dc16e8 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sun, 23 Feb 2025 21:06:53 +0200
Subject: [PATCH] hicli/sync: fill prev_content with cached event if it's
 missing

---
 pkg/hicli/sync.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkg/hicli/sync.go b/pkg/hicli/sync.go
index 464ba0f..3821776 100644
--- a/pkg/hicli/sync.go
+++ b/pkg/hicli/sync.go
@@ -613,6 +613,14 @@ func (h *HiClient) processEvent(
 			return dbEvt, nil
 		}
 	}
+	if evt.StateKey != nil && evt.Unsigned.PrevContent == nil && evt.Unsigned.ReplacesState != "" {
+		replacesState, err := h.DB.Event.GetByID(ctx, evt.Unsigned.ReplacesState)
+		if err != nil {
+			return nil, fmt.Errorf("failed to get prev content for %s from %s: %w", evt.ID, evt.Unsigned.ReplacesState, err)
+		} else if replacesState != nil {
+			evt.Unsigned.PrevContent = &event.Content{VeryRaw: replacesState.Content}
+		}
+	}
 	dbEvt := database.MautrixToEvent(evt)
 	contentWithoutFallback := removeReplyFallback(evt)
 	if contentWithoutFallback != nil {