luke
/
sbt
mirror of https://github.com/sbt/sbt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Issue 1900, more robustness in help system

This commit is contained in:
David Perez 2015-03-12 15:30:43 +01:00
parent b6a2011734
commit 508fc1b5ec
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
main/command/src/main/scala/sbt/BasicCommands.scala
View File

@ -27,7 +27,10 @@ object BasicCommands {
def helpParser(s: State) =
{
val h = (Help.empty /: s.definedCommands)(_ ++ _.help(s))
val h = (Help.empty /: s.definedCommands) { (a, b) ⇒
a ++
(try b.help(s) catch { case ex: Throwable ⇒ Help.empty })
}
val helpCommands = h.detail.keySet
val spacedArg = singleArgument(helpCommands).?
applyEffect(spacedArg)(runHelp(s, h))
@ -35,7 +38,12 @@ object BasicCommands {
def runHelp(s: State, h: Help)(arg: Option[String]): State =
{
val message = Help.message(h, arg)
val message = try
Help.message(h, arg)
catch {
case ex: Throwable ⇒
ex.toString
}
System.out.println(message)
s
}