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Correct cache intialization in Changed tracker.

This commit is contained in:
Mark Harrah 2009-08-31 10:43:41 -04:00
parent 7abdc45e93
commit aaba9b7ca7
1 changed files with 4 additions and 2 deletions
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6
cache/Tracked.scala vendored
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@ -1,6 +1,6 @@
package xsbt
import java.io.File
import java.io.{File,IOException}
import CacheIO.{fromFile, toFile}
import sbinary.Format
import scala.reflect.Manifest
@ -26,7 +26,9 @@ class Changed[O](val task: Task[O], val cacheFile: File)(implicit input: InputCa
def clear = Task.empty
def apply[O2](ifChanged: O => O2, ifUnchanged: O => O2): Task[O2] { type Input = O } =
task map { value =>
val cache = OpenResource.fileInputStream(cacheFile)(input.uptodate(value))
val cache =
try { OpenResource.fileInputStream(cacheFile)(input.uptodate(value)) }
catch { case _: IOException => new ForceResult(input)(value) }
if(cache.uptodate)
ifUnchanged(value)
else