From 14b6ad10fe6a8aa1d69bcf676f32eb9c2af3210d Mon Sep 17 00:00:00 2001
From: Lucas Bajolet <lucas.bajolet@hashicorp.com>
Date: Thu, 24 Aug 2023 16:10:51 -0400
Subject: [PATCH] hcl2template: report localtion for cycle detection

When a datasource fails to be evaluated because a cycle has been
detected, we point out one of the links of the chain now so that users
have a better idea of what to look at.
---
 hcl2template/types.packer_config.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hcl2template/types.packer_config.go b/hcl2template/types.packer_config.go
index 39283e590..c9beb67bd 100644
--- a/hcl2template/types.packer_config.go
+++ b/hcl2template/types.packer_config.go
@@ -368,6 +368,7 @@ func (cfg *PackerConfig) recursivelyEvaluateDatasources(ref DatasourceRef, depen
 				"sources. Either your data source depends on more than ten " +
 				"other data sources, or your data sources have a cyclic " +
 				"dependency. Please simplify your config to continue. ",
+			Subject: &(cfg.Datasources[ref]).block.DefRange,
 		})
 		return dependencies, diags
 	}