From ed042b221968692c9e8a02f063ecf7bd1848c7e0 Mon Sep 17 00:00:00 2001
From: kenji yoshida <6b656e6a69@gmail.com>
Date: Sun, 31 May 2026 11:09:46 +0900
Subject: [PATCH] [2.0.x] fix: Fixes backtick-quoted project handling (#9277)

---
 buildfile/src/main/scala/sbt/internal/LoadedSbtFile.scala | 3 ++-
 .../src/sbt-test/actions/set-kebab-case-project/build.sbt | 8 ++++++++
 sbt-app/src/sbt-test/actions/set-kebab-case-project/test  | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 sbt-app/src/sbt-test/actions/set-kebab-case-project/build.sbt
 create mode 100644 sbt-app/src/sbt-test/actions/set-kebab-case-project/test

diff --git a/buildfile/src/main/scala/sbt/internal/LoadedSbtFile.scala b/buildfile/src/main/scala/sbt/internal/LoadedSbtFile.scala
index 7e7a12fb0..b0a0997d0 100644
--- a/buildfile/src/main/scala/sbt/internal/LoadedSbtFile.scala
+++ b/buildfile/src/main/scala/sbt/internal/LoadedSbtFile.scala
@@ -11,6 +11,7 @@ package internal
 
 import Def.Setting
 import java.nio.file.Path
+import scala.reflect.NameTransformer
 
 /**
  * Represents the exported contents of a .sbt file.  Currently, that includes the list of settings,
@@ -61,7 +62,7 @@ private[sbt] final class DefinedSbtValues(val sbtFiles: Seq[EvalDefinitions]) {
     for {
       file <- sbtFiles
       m = file.enclosingModule
-      v <- file.valNames
+      v <- file.valNames.map(NameTransformer.decode)
     } yield s"import ${m}.`${v}`"
   }
   def generated: Seq[Path] =
diff --git a/sbt-app/src/sbt-test/actions/set-kebab-case-project/build.sbt b/sbt-app/src/sbt-test/actions/set-kebab-case-project/build.sbt
new file mode 100644
index 000000000..7b63fed3f
--- /dev/null
+++ b/sbt-app/src/sbt-test/actions/set-kebab-case-project/build.sbt
@@ -0,0 +1,8 @@
+// https://github.com/sbt/sbt/issues/9269
+val `kebab-case-project` = rootProject
+
+InputKey[Unit]("checkVersion") := {
+  val actual = version.value
+  val expect = Def.spaceDelimited("").parsed.head
+  assert(expect == actual, (actual, expect))
+}
diff --git a/sbt-app/src/sbt-test/actions/set-kebab-case-project/test b/sbt-app/src/sbt-test/actions/set-kebab-case-project/test
new file mode 100644
index 000000000..513d7bc18
--- /dev/null
+++ b/sbt-app/src/sbt-test/actions/set-kebab-case-project/test
@@ -0,0 +1,3 @@
+> checkVersion 0.1.0-SNAPSHOT
+> set version := "0.2.0-SNAPSHOT"
+> checkVersion 0.2.0-SNAPSHOT