Rebootstrap main branch (#5158)

Pulls in @arturaz's notify `--watch` changes
(#5068) and runBackground
changes (#5115) for dogfooding

Author: lihaoyi

build.mill

@@ -1,4 +1,4 @@
-//| mill-version: 1.0.0-M1-13-54815e
+//| mill-version: 1.0.0-M1-30-aa7125
 //| mill-jvm-opts: ["-XX:NonProfiledCodeHeapSize=250m", "-XX:ReservedCodeCacheSize=500m"]
 //| mill-opts: ["--jobs=0.5C"]
 
@@ -128,7 +128,7 @@ val bridgeScalaVersions = Seq(
 // on the fly anyway. For publishing, we publish everything or a specific version
 // if given.
 val compilerBridgeScalaVersions =
-  interp.watchValue(sys.env.get("MILL_COMPILER_BRIDGE_VERSIONS")) match {
+  mill.define.BuildCtx.watchValue(sys.env.get("MILL_COMPILER_BRIDGE_VERSIONS")) match {
     case None | Some("") | Some("none") => Seq.empty[String]
     case Some("all") => (essentialBridgeScalaVersions ++ bridgeScalaVersions).distinct
     case Some("essential") => essentialBridgeScalaVersions
@@ -185,7 +185,7 @@ def formatDep(dep: Dep) = {
   s"${d.module.organization.value}:${d.module.name.value}:${d.versionConstraint.asString}"
 }
 
-def listIn(path: os.Path) = interp.watchValue(os.list(path).map(_.last))
+def listIn(path: os.Path) = mill.define.BuildCtx.watchValue(os.list(path).map(_.last))
 
 val dummyDeps: Seq[Dep] = Seq(
   Deps.DocDeps.millScip,

ci/mill-bootstrap.patch

@@ -1,47 +0,0 @@
-diff --git a/build.mill b/build.mill
-index 4465e163a55..6b8da38aae7 100644
---- a/build.mill
-+++ b/build.mill
-@@ -124,7 +124,7 @@ val bridgeScalaVersions = Seq(
- // on the fly anyway. For publishing, we publish everything or a specific version
- // if given.
- val compilerBridgeScalaVersions =
--  interp.watchValue(sys.env.get("MILL_COMPILER_BRIDGE_VERSIONS")) match {
-+  mill.define.BuildCtx.watchValue(sys.env.get("MILL_COMPILER_BRIDGE_VERSIONS")) match {
-     case None | Some("") | Some("none") => Seq.empty[String]
-     case Some("all") => (essentialBridgeScalaVersions ++ bridgeScalaVersions).distinct
-     case Some("essential") => essentialBridgeScalaVersions
-@@ -181,7 +181,7 @@ def formatDep(dep: Dep) = {
-   s"${d.module.organization.value}:${d.module.name.value}:${d.versionConstraint.asString}"
- }
- 
--def listIn(path: os.Path) = interp.watchValue(os.list(path).map(_.last))
-+def listIn(path: os.Path) = mill.define.BuildCtx.watchValue(os.list(path).map(_.last))
- 
- val dummyDeps: Seq[Dep] = Seq(
-   Deps.DocDeps.millScip,
-diff --git a/integration/package.mill b/integration/package.mill
-index a5183fc0a5a..4cb6f6689cd 100644
---- a/integration/package.mill
-+++ b/integration/package.mill
-@@ -14,6 +14,7 @@ import mill.T
- import mill.define.Cross
- import mill.testrunner.TestResult
- import millbuild.*
-+import upickle.implicits.namedTuples.default.given
- 
- object `package` extends mill.Module {
-   // We compile the test code once and then offer multiple modes to
-diff --git a/runner/codesig/package.mill b/runner/codesig/package.mill
-index 3950422474a..1ed233d24f7 100644
---- a/runner/codesig/package.mill
-+++ b/runner/codesig/package.mill
-@@ -18,7 +18,7 @@ object `package` extends MillPublishScalaModule {
- 
-   override lazy val test: CodeSigTests = new CodeSigTests {}
-   trait CodeSigTests extends MillScalaTests {
--    val caseKeys = build.interp.watchValue(
-+    val caseKeys = mill.define.BuildCtx.watchValue(
-       os.walk(moduleDir / "cases", maxDepth = 3)
-         .map(_.subRelativeTo(moduleDir / "cases").segments)
-         .collect { case Seq(a, b, c) => s"$a-$b-$c" }

integration/package.mill

@@ -14,6 +14,7 @@ import mill.T
 import mill.define.Cross
 import mill.testrunner.TestResult
 import millbuild.*
+import upickle.implicits.namedTuples.default.given
 
 object `package` extends mill.Module {
   // We compile the test code once and then offer multiple modes to

runner/codesig/package.mill

@@ -18,7 +18,7 @@ object `package` extends MillPublishScalaModule {
 
   override lazy val test: CodeSigTests = new CodeSigTests {}
   trait CodeSigTests extends MillScalaTests {
-    val caseKeys = build.interp.watchValue(
+    val caseKeys = mill.define.BuildCtx.watchValue(
       os.walk(moduleDir / "cases", maxDepth = 3)
         .map(_.subRelativeTo(moduleDir / "cases").segments)
         .collect { case Seq(a, b, c) => s"$a-$b-$c" }