From 9155cf595df7126dc48bc64365388b76c6107f89 Mon Sep 17 00:00:00 2001
From: Alex Beggs <abeggs@spotify.com>
Date: Mon, 14 Dec 2020 12:04:42 -0500
Subject: [PATCH] Add error message for MavenRepository - improve the error
 message to include a message in the stacktrace indicating what is the problem

---
 src/main/kotlin/kscript/app/Script.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/kotlin/kscript/app/Script.kt b/src/main/kotlin/kscript/app/Script.kt
index 8242265e..d2ee2ed9 100644
--- a/src/main/kotlin/kscript/app/Script.kt
+++ b/src/main/kotlin/kscript/app/Script.kt
@@ -205,6 +205,9 @@ fun Script.collectRepos(): List<MavenRepo> {
                         .map { keyVal -> keyVal.split(keyValSep).map { it.trim(' ', '\"') }.let{ it.first() to it.last()}}
                         .toMap()
 
+                if (annotationParams.size < 2) {
+                    throw IllegalArgumentException("Missing ${2 - annotationParams.size} of the required arguments for @file:MavenRepository(id, url)")
+                }
                 MavenRepo(
                         namedArgs.getOrDefault("id", annotationParams[0]),
                         namedArgs.getOrDefault("url", annotationParams[1]),