From 7832eeffe23f8b2e6c4d2b07609d4c55bdb02d49 Mon Sep 17 00:00:00 2001
From: Michael Bailey <1195562+yogurtearl@users.noreply.github.com>
Date: Tue, 21 Jun 2022 22:02:09 -0700
Subject: [PATCH] Give a better error message for --jvm-target (#4978)

---
 .../arturbosch/detekt/core/settings/EnvironmentAware.kt      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/settings/EnvironmentAware.kt b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/settings/EnvironmentAware.kt
index 1bb2041255d..89fa882894c 100644
--- a/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/settings/EnvironmentAware.kt
+++ b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/settings/EnvironmentAware.kt
@@ -55,5 +55,8 @@ internal fun CompilerSpec.parseLanguageVersion(): LanguageVersion? {
 }
 
 internal fun CompilerSpec.parseJvmTarget(): JvmTarget {
-    return checkNotNull(JvmTarget.fromString(jvmTarget)) { "Invalid value passed to --jvm-target" }
+    return checkNotNull(JvmTarget.fromString(jvmTarget)) {
+        "Invalid value ($jvmTarget) passed to --jvm-target," +
+            " must be one of ${JvmTarget.values().map(JvmTarget::description)}"
+    }
 }