From df44c045e32c1c9299f84a841f44cf66c3b10642 Mon Sep 17 00:00:00 2001
From: Jakub Chrzanowski <jakub.chrzanowski@jetbrains.com>
Date: Tue, 4 Aug 2020 13:27:36 +0200
Subject: [PATCH] Better handling of the Gradle plugin description extraction
 from the README file

---
 CHANGELOG.md     | 3 +++
 build.gradle.kts | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e2b382..4963a5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 # IntelliJ Platform Plugin Template Changelog
 
 ## [Unreleased]
+### Added
+- Better handling of the Gradle plugin description extraction from the README file
+
 ### Changed
 - Gradle - remove kotlin("stdlib-jdk8") dependency to decrease the plugin artifact size
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 08c20b7..0e2a143 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -93,7 +93,13 @@ tasks {
         // Extract the <!-- Plugin description --> section from README.md and provide for the plugin's manifest
         pluginDescription(closure {
             File("./README.md").readText().lines().run {
-                subList(indexOf("<!-- Plugin description -->") + 1, indexOf("<!-- Plugin description end -->"))
+                val start = "<!-- Plugin description -->"
+                val end = "<!-- Plugin description end -->"
+
+                if (!containsAll(listOf(start, end))) {
+                    throw GradleException("Plugin description section not found in README.md file:\n$start ... $end")
+                }
+                subList(indexOf(start) + 1, indexOf(end))
             }.joinToString("\n").run { markdownToHTML(this) }
         })