From 87acbc181b082aa96f68a807881d632fd3f60cb4 Mon Sep 17 00:00:00 2001
From: Lucas Bajolet <lucas.bajolet@hashicorp.com>
Date: Wed, 29 May 2024 14:52:24 +0000
Subject: [PATCH] backport of commit 164f091f1069688002b43c323c9ce62b14fd1780

---
 packer_test/loading_test.go    | 28 ++++++++++++++++++++++++++++
 packer_test/sample_config.json |  7 +++++++
 2 files changed, 35 insertions(+)
 create mode 100644 packer_test/sample_config.json

diff --git a/packer_test/loading_test.go b/packer_test/loading_test.go
index 59126a053..1f1d8ceee 100644
--- a/packer_test/loading_test.go
+++ b/packer_test/loading_test.go
@@ -209,3 +209,31 @@ func (ts *PackerTestSuite) TestLoadWithOnlyReleaseFlag() {
 		})
 	}
 }
+
+func (ts *PackerTestSuite) TestWithLegacyConfigAndComponents() {
+	pluginDir, cleanup := ts.MakePluginDir("1.0.0")
+	defer cleanup()
+
+	workdir, cleanup := TempWorkdir(ts.T(), "./sample_config.json", "./templates/simple.json", "./templates/simple.pkr.hcl")
+	defer cleanup()
+
+	for _, cmd := range []string{"validate", "build"} {
+		ts.Run(fmt.Sprintf("%s simple JSON template with config.json and components defined", cmd), func() {
+			ts.PackerCommand().UsePluginDir(pluginDir).SetWD(workdir).
+				SetArgs(cmd, "simple.json").
+				AddEnv("PACKER_CONFIG", filepath.Join(workdir, "sample_config.json")).
+				Assert(MustFail(),
+					Grep("Your configuration file describes some legacy components", grepStderr),
+					Grep("packer-provisioner-super-shell", grepStderr))
+		})
+
+		ts.Run(fmt.Sprintf("%s simple HCL2 template with config.json and components defined", cmd), func() {
+			ts.PackerCommand().UsePluginDir(pluginDir).SetWD(workdir).
+				SetArgs(cmd, "simple.pkr.hcl").
+				AddEnv("PACKER_CONFIG", filepath.Join(workdir, "sample_config.json")).
+				Assert(MustFail(),
+					Grep("Your configuration file describes some legacy components", grepStderr),
+					Grep("packer-provisioner-super-shell", grepStderr))
+		})
+	}
+}
diff --git a/packer_test/sample_config.json b/packer_test/sample_config.json
new file mode 100644
index 000000000..80f755813
--- /dev/null
+++ b/packer_test/sample_config.json
@@ -0,0 +1,7 @@
+{
+  "disable_checkpoint": true,
+  "disable_checkpoint_signature": true,
+  "provisioners": {
+    "super-shell": "packer-provisioner-super-shell"
+  }
+}