From 85bde83f73618d8010a92d3383c8b85c813ab4e3 Mon Sep 17 00:00:00 2001
From: Wojciech Mazur <wmazur@virtuslab.com>
Date: Tue, 2 Jan 2024 16:12:48 +0100
Subject: [PATCH] Fix listing release versions for bisect script. Use
 `maven-metadata.xml` to list released Scala versions instead of parsing HTML
 of Maven index.

---
 project/scripts/bisect.scala | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/project/scripts/bisect.scala b/project/scripts/bisect.scala
index dbb14f2c4587..9e423cf15162 100755
--- a/project/scripts/bisect.scala
+++ b/project/scripts/bisect.scala
@@ -169,9 +169,13 @@ class Releases(val releases: Vector[Release])
 
 object Releases:
   lazy val allReleases: Vector[Release] =
-    val re = raw"""(?<=title=")(.+-bin-\d{8}-\w{7}-NIGHTLY)(?=/")""".r
-    val html = Source.fromURL("https://repo1.maven.org/maven2/org/scala-lang/scala3-compiler_3/")
-    re.findAllIn(html.mkString).map(Release.apply).toVector
+    val re = raw"<version>(.+-bin-\d{8}-\w{7}-NIGHTLY)</version>".r
+    val xml = io.Source.fromURL(
+      "https://repo1.maven.org/maven2/org/scala-lang/scala3-compiler_3/maven-metadata.xml"
+    )
+    re.findAllMatchIn(xml.mkString)
+      .flatMap{ m => Option(m.group(1)).map(Release.apply) }
+      .toVector
 
   def fromRange(range: ReleasesRange): Vector[Release] = range.filter(allReleases)