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Show all lines when running help <task>, but only first line when listing tasks

This commit is contained in:
Øyvind Høisæther 2018-05-15 14:33:24 +02:00
parent 34cc8cd273
commit 667a6be99e
1 changed files with 14 additions and 5 deletions
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19
main/src/main/scala/sbt/Main.scala
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@ -313,8 +313,14 @@ object BuiltinCommands {
'v'.id.+.map(_.size + 1) |
("V" ^^^ Int.MaxValue)
))
def taskDetail(keys: Seq[AttributeKey[_]], firstOnly: Boolean): Seq[(String, String)] =
sortByLabel(withDescription(keys)) flatMap { t =>
taskStrings(t, firstOnly)
}
def taskDetail(keys: Seq[AttributeKey[_]]): Seq[(String, String)] =
sortByLabel(withDescription(keys)) flatMap taskStrings
taskDetail(keys, false)
def allTaskAndSettingKeys(s: State): Seq[AttributeKey[_]] = {
val extracted = Project.extract(s)
@ -349,16 +355,19 @@ object BuiltinCommands {
def tasksHelp(s: State,
filter: Seq[AttributeKey[_]] => Seq[AttributeKey[_]],
arg: Option[String]): String = {
val commandAndDescription = taskDetail(filter(allTaskAndSettingKeys(s)))
val commandAndDescription = taskDetail(filter(allTaskAndSettingKeys(s)), true)
arg match {
case Some(selected) => detail(selected, commandAndDescription.toMap)
case None => aligned(" ", " ", commandAndDescription) mkString ("\n", "\n", "")
}
}
def taskStrings(key: AttributeKey[_]): Option[(String, String)] = key.description map { d =>
(key.label, d.split("\r?\n")(0))
}
def taskStrings(key: AttributeKey[_], firstOnly: Boolean): Option[(String, String)] =
key.description map { d =>
if (firstOnly) (key.label, d.split("\r?\n")(0)) else (key.label, d)
}
def taskStrings(key: AttributeKey[_]): Option[(String, String)] = taskStrings(key, false)
def defaults = Command.command(DefaultsCommand) { s =>
s.copy(definedCommands = DefaultCommands)