From b47ca1b9efbc2ae9f840914cea8efa3d52d7e71c Mon Sep 17 00:00:00 2001
From: Yusuke Izawa <yuizalp@gmail.com>
Date: Mon, 29 May 2017 19:33:55 +0900
Subject: [PATCH] Implement sequential[B](tasks: Seq[Initialize[Task[B]]]) and
 remove useless comment outs

---
 .../scala/sbt/internal/TaskSequential.scala    | 18 ++++++------------
 notes/1.0.0/fix-task-sequential.markdown       |  5 +++++
 2 files changed, 11 insertions(+), 12 deletions(-)
 create mode 100644 notes/1.0.0/fix-task-sequential.markdown

diff --git a/main/src/main/scala/sbt/internal/TaskSequential.scala b/main/src/main/scala/sbt/internal/TaskSequential.scala
index 4cfcd84cb..a646bc739 100644
--- a/main/src/main/scala/sbt/internal/TaskSequential.scala
+++ b/main/src/main/scala/sbt/internal/TaskSequential.scala
@@ -757,6 +757,12 @@ trait TaskSequential {
       last
     )
 
+  def sequential[B](tasks: Seq[Initialize[Task[B]]]): Initialize[Task[B]] = {
+    val initTasks: Seq[Initialize[Task[B]]] = tasks.init
+    val lastTask: Initialize[Task[B]] = tasks.last
+    sequential(initTasks.map(unitTask), lastTask)
+  }
+
   def sequential[B](
       tasks: Seq[Initialize[Task[Unit]]],
       last: Initialize[Task[B]]
@@ -775,15 +781,3 @@ trait TaskSequential {
       ()
     }
 }
-
-// for {
-//   i <- 0 to 21
-// } {
-//   val idx = 0 to i
-//   val tparams = (idx map { "A" + _ }).mkString(", ")
-//   val params = (idx map { j => s"task$j: Initialize[Task[A$j]]" }).mkString(", ")
-//   val args = (idx map { j => s"unitTask(task$j)" }).mkString(", ")
-//   println(s"""  def sequential[$tparams, B]($params,
-//              |    last: Initialize[Task[B]]): Initialize[Task[B]] =
-//              |    sequential(List($args), last)""".stripMargin)
-// }
diff --git a/notes/1.0.0/fix-task-sequential.markdown b/notes/1.0.0/fix-task-sequential.markdown
new file mode 100644
index 000000000..314bd4077
--- /dev/null
+++ b/notes/1.0.0/fix-task-sequential.markdown
@@ -0,0 +1,5 @@
+### Improvements
+
+- Implement `sequential[B](tasks: Seq[Initialize[Task[B]]])` method. by [@3tty0n][@3tty0n]
+
+    [@3tty0n]: https://github.com/3tty0n