From 80b6b64db51a073056e97841a27806cc4783a27c Mon Sep 17 00:00:00 2001
From: Jingwen Chen <jingwen@google.com>
Date: Tue, 2 Nov 2021 06:23:07 +0000
Subject: [PATCH] Add an error check in `bazelPackage` for malformed labels.

Bug: 204281595
Test: CI
Change-Id: Ia94a0b5c8dd3a0294475e9bc816a19ae03f7342d
---
 android/bazel_paths.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/android/bazel_paths.go b/android/bazel_paths.go
index 995736999..23b2e7a68 100644
--- a/android/bazel_paths.go
+++ b/android/bazel_paths.go
@@ -370,11 +370,17 @@ func BazelModuleLabel(ctx TopDownMutatorContext, module blueprint.Module) string
 
 func bazelShortLabel(label string) string {
 	i := strings.Index(label, ":")
+	if i == -1 {
+		panic(fmt.Errorf("Could not find the ':' character in '%s', expected a fully qualified label.", label))
+	}
 	return label[i:]
 }
 
 func bazelPackage(label string) string {
 	i := strings.Index(label, ":")
+	if i == -1 {
+		panic(fmt.Errorf("Could not find the ':' character in '%s', expected a fully qualified label.", label))
+	}
 	return label[0:i]
 }