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Fix NullPointerException in appendLog

This commit is contained in:
Eugene Yokota 2020-06-14 17:28:49 -04:00
parent 3c5b88a83a
commit 64335567ac
1 changed files with 17 additions and 13 deletions
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30
internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala
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@ -484,21 +484,25 @@ trait Appender extends AutoCloseable {
message: String message: String
): Unit = ): Unit =
try { try {
val len = // according to https://github.com/sbt/sbt/issues/5608, sometimes we get a null message
labelColor.length + label.length + messageColor.length + reset.length * 3 + ClearScreenAfterCursor.length if (message == null) ()
val builder: StringBuilder = new StringBuilder(len) else {
message.linesIterator.foreach { line => val len =
builder.ensureCapacity(len + line.length + 4) labelColor.length + label.length + messageColor.length + reset.length * 3 + ClearScreenAfterCursor.length
builder.setLength(0) val builder: StringBuilder = new StringBuilder(len)
message.linesIterator.foreach { line =>
builder.ensureCapacity(len + line.length + 4)
builder.setLength(0)
def fmted(a: String, b: String) = builder.append(reset).append(a).append(b).append(reset) def fmted(a: String, b: String) = builder.append(reset).append(a).append(b).append(reset)
builder.append(reset).append('[') builder.append(reset).append('[')
fmted(labelColor, label) fmted(labelColor, label)
builder.append("] ") builder.append("] ")
fmted(messageColor, line) fmted(messageColor, line)
builder.append(ClearScreenAfterCursor) builder.append(ClearScreenAfterCursor)
write(builder.toString) write(builder.toString)
}
} }
} catch { case _: InterruptedException => } } catch { case _: InterruptedException => }