Ensure we write api URL info in ivy.xml (#66)

modules/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala

@@ -128,6 +128,14 @@ object FromSbt {
 
     val deps = allDependencies.flatMap(dependencies(_, scalaVersion, scalaBinaryVersion))
 
+    val prefix = "e:" + SbtPomExtraProperties.POM_INFO_KEY_PREFIX
+    val properties = projectID
+      .extraAttributes
+      .filterKeys(_.startsWith(prefix))
+      .toSeq
+      .map { case (k, v) => (k.stripPrefix("e:"), v) }
+      .sortBy(_._1)
+
     Project(
       Module(
         Organization(projectID.organization),
@@ -137,7 +145,7 @@ object FromSbt {
       projectID.revision,
       deps,
       ivyConfigurations,
-      Nil,
+      properties,
       None,
       Nil,
       Info("", "", Nil, Nil, None)

modules/sbt-coursier-shared/src/main/scala/coursier/sbtcoursiershared/IvyXml.scala

@@ -78,7 +78,8 @@ object IvyXml {
       }
     )
 
-    val infoAttrs = project.module.attributes.foldLeft[xml.MetaData](xml.Null) {
+    val props = project.module.attributes.toSeq ++ project.properties
+    val infoAttrs = props.foldLeft[xml.MetaData](xml.Null) {
       case (acc, (k, v)) =>
         new PrefixedAttribute("e", k, v, acc)
     }

modules/sbt-coursier/src/sbt-test/shared-1/api-url/build.sbt

@@ -0,0 +1,24 @@
+
+lazy val b = project
+  .settings(
+    apiURL := Some(url(s"http://example.org/b")),
+    publishMavenStyle := false,
+    publishTo := Some(bResolver.value),
+    organization := "b",
+    version := "0.1.0-SNAPSHOT"
+  )
+
+lazy val bResolver = Def.setting {
+  val dir = baseDirectory.in(ThisBuild).value / "b-repo"
+  Resolver.file("b-resolver", dir)(Resolver.defaultIvyPatterns)
+}
+
+lazy val check = taskKey[Unit]("")
+
+check := {
+  import java.nio.file._
+  val f = baseDirectory.in(ThisBuild).value / "b-repo/b/b_2.12/0.1.0-SNAPSHOT/ivys/ivy.xml"
+  assert(f.exists())
+  val content = new String(Files.readAllBytes(f.toPath), "UTF-8")
+  assert(content.contains("""e:info.apiURL="http://example.org/b""""))
+}

modules/sbt-coursier/src/sbt-test/shared-1/api-url/project/plugins.sbt

@@ -0,0 +1,13 @@
+addSbtPlugin {
+
+  val name = sys.props.getOrElse(
+    "plugin.name",
+    sys.error("plugin.name Java property not set")
+  )
+  val version = sys.props.getOrElse(
+    "plugin.version",
+    sys.error("plugin.version Java property not set")
+  )
+
+  "io.get-coursier" % name % version
+}

modules/sbt-coursier/src/sbt-test/shared-1/api-url/test

@@ -0,0 +1,3 @@
+$ delete b-repo
+> b/publish
+> check