From ffc2f8c35d454e988c530a843a508df78a03a62c Mon Sep 17 00:00:00 2001
From: Eugene Yokota <eed3si9n@gmail.com>
Date: Fri, 28 Nov 2025 22:59:58 -0500
Subject: [PATCH] fix: Fixes managed resources missing from the JAR

**Problem**
RC-7 is missing the managed resources.

**Solution**
This triggers managed resources so they get generated.
---
 main/src/main/scala/sbt/Defaults.scala        |  1 +
 .../nio/intraproject-inputs/{pending => test} |  0
 .../a/src/main/scala/A.scala                  |  3 +++
 .../plugins/auto-plugins-minimal/build.sbt    | 23 +++++++++++++++++++
 .../plugins/auto-plugins-minimal/test         |  2 ++
 5 files changed, 29 insertions(+)
 rename sbt-app/src/sbt-test/nio/intraproject-inputs/{pending => test} (100%)
 create mode 100644 sbt-app/src/sbt-test/plugins/auto-plugins-minimal/a/src/main/scala/A.scala
 create mode 100644 sbt-app/src/sbt-test/plugins/auto-plugins-minimal/build.sbt
 create mode 100644 sbt-app/src/sbt-test/plugins/auto-plugins-minimal/test

diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index da087764f..1643412d8 100644
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -4084,6 +4084,7 @@ object Classpaths {
     val resourceDirs = resourceDirectories.value
     val vfBackendDir = compileIncremental.value._2
     val backendDir = c.toPath(vfBackendDir)
+    val _ = resources.value
     backendDir.toFile() :: resourceDirs.toList.filter(_.exists())
   }
 
diff --git a/sbt-app/src/sbt-test/nio/intraproject-inputs/pending b/sbt-app/src/sbt-test/nio/intraproject-inputs/test
similarity index 100%
rename from sbt-app/src/sbt-test/nio/intraproject-inputs/pending
rename to sbt-app/src/sbt-test/nio/intraproject-inputs/test
diff --git a/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/a/src/main/scala/A.scala b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/a/src/main/scala/A.scala
new file mode 100644
index 000000000..d34ce1390
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/a/src/main/scala/A.scala
@@ -0,0 +1,3 @@
+import sbt.*
+
+object A extends AutoPlugin
diff --git a/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/build.sbt b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/build.sbt
new file mode 100644
index 000000000..36fecfec8
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/build.sbt
@@ -0,0 +1,23 @@
+scalaVersion := "3.7.4"
+
+organization := "com.example"
+
+@transient
+lazy val check = taskKey[Unit]("extract jar file")
+
+lazy val a = (project in file("a"))
+  .enablePlugins(SbtPlugin)
+  .settings(
+    name := "a",
+    check := Def.uncached {
+      val converter = fileConverter.value
+      val p = converter.toPath((Compile / packageBin).value)
+      val outDir = target.value / "extracted"
+      IO.unzip(p.toFile(), outDir)
+      val expectedResource = outDir / "sbt" / "sbt.autoplugins"
+      if !expectedResource.exists() then
+        sys.error(s"$expectedResource doesn't exist")
+      val content = IO.read(outDir / "sbt" / "sbt.autoplugins").trim
+      assert(content == "A", s"expected A, but content was '$content'")
+    },
+  )
diff --git a/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/test b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/test
new file mode 100644
index 000000000..e54329f45
--- /dev/null
+++ b/sbt-app/src/sbt-test/plugins/auto-plugins-minimal/test
@@ -0,0 +1,2 @@
+> a/packageBin
+> a/check