Added a changelog to the Mill site (#2717)

Pull request: #2717

build.sc

@@ -1447,10 +1447,14 @@ object docs extends Module {
  }
 
  def source0 = T.source(millSourcePath)
+ def projectReadme = T.source(T.workspace / "readme.adoc")
  def source = T {
  os.copy(source0().path, T.dest, mergeFolders = true)
 
  val pagesWd = T.dest / "modules" / "ROOT" / "pages"
+ val partialsWd = T.dest / "modules" / "ROOT" / "partials"
+
+ os.copy(projectReadme().path, partialsWd / "project-readme.adoc", createFolders = true)
 
  val renderedExamples: Seq[(os.SubPath, PathRef)] =
  T.traverse(example.exampleModules)(m =>
@@ -1568,13 +1572,26 @@ object docs extends Module {
  createFolders = true
  )
  T.log.errorStream.println("Running Antora ...")
- // check xrefs
+// // check xrefs
+// runAntora(
+// npmDir = npmBase(),
+// workDir = docSite,
+// args = Seq(
+// "--generator",
+// "@antora/xref-validator",
+// playbook.last,
+// "--to-dir",
+// siteDir.toString(),
+// "--attribute",
+// "page-pagination"
+// ) ++
+// Seq("--fetch").filter(_ => !authorMode)
+// )
+ // generate site (we can skip the --fetch now)
  runAntora(
  npmDir = npmBase(),
  workDir = docSite,
  args = Seq(
- "--generator",
- "@antora/xref-validator",
  playbook.last,
  "--to-dir",
  siteDir.toString(),
@@ -1583,18 +1600,6 @@ object docs extends Module {
  ) ++
  Seq("--fetch").filter(_ => !authorMode)
  )
- // generate site (we can skip the --fetch now)
- runAntora(
- npmDir = npmBase(),
- workDir = docSite,
- args = Seq(
- playbook.last,
- "--to-dir",
- siteDir.toString(),
- "--attribute",
- "page-pagination"
- )
- )
  os.write(siteDir / ".nojekyll", "")
 
  // sanitize devAntora source URLs

docs/modules/ROOT/nav.adoc

@@ -58,4 +58,4 @@
 * xref:Mill_Design_Principles.adoc[]
 * xref:External_References.adoc[]
 * {mill-doc-url}/api/latest/mill/index.html[Mill Scaladoc]
-
+* xref:Changelog.adoc[]

docs/modules/ROOT/pages/Changelog.adoc

@@ -0,0 +1,4 @@
+// = Changelog
+include::partial$project-readme.adoc[tag=changelog,leveloffset=-1]
+
+include::partial$project-readme.adoc[tag=changelogOld,leveloffset=-1]