Merge pull request #66 from paketo-buildpacks/better-messages

Improve error messages if we cannot find the build artifact
paketo-buildpacks · Apr 28, 2021 · f17ffcd · f17ffcd
2 parents 85af434 + 4ef6a43
commit f17ffcd
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diff --git a/go.mod b/go.mod
@@ -5,7 +5,7 @@ go 1.15
 require (
 	github.com/buildpacks/libcnb v1.21.0
 	github.com/onsi/gomega v1.11.0
-	github.com/paketo-buildpacks/libbs v1.8.0
+	github.com/paketo-buildpacks/libbs v1.8.1
 	github.com/paketo-buildpacks/libpak v1.51.0
 	github.com/sclevine/spec v1.4.0
 )
diff --git a/gradle/build.go b/gradle/build.go
@@ -144,6 +144,7 @@ func (b Build) Build(context libcnb.BuildContext) (libcnb.BuildResult, error) {
 		ConfigurationResolver:    cr,
 		ModuleConfigurationKey:   "BP_GRADLE_BUILT_MODULE",
 		InterestingFileDetector:  libbs.JARInterestingFileDetector{},
+		AdditionalHelpMessage:    "If this is unexpected, please try setting `rootProject.name` in `settings.gradle` or add a project.toml file and exclude the `build/` directory. For details see https://buildpacks.io/docs/app-developer-guide/using-project-descriptor/.",
 	}
 
 	a, err := b.ApplicationFactory.NewApplication(