Suppress note messages (but not warnings or errors) in --quiet mode (#226)

Author: dfabulich

Sources/SkipBuild/OutputOptions.swift

@@ -24,7 +24,7 @@ public struct OutputOptions: ParsableArguments {
     @Flag(name: [.customShort("v"), .long], help: ArgumentHelp("Whether to display verbose messages"))
     var verbose: Bool = false
 
-    @Flag(name: [.customShort("q"), .long], help: ArgumentHelp("Quiet mode: suppress output"))
+    @Flag(name: [.customShort("q"), .long], help: ArgumentHelp("Suppress informational (note) messages; warnings and errors are still shown"))
     var quiet: Bool = false
 
     @Flag(name: [.customShort("J"), .long], help: ArgumentHelp("Emit output as formatted JSON"))

Sources/SkipBuild/SkipCommand.swift

@@ -688,7 +688,7 @@ extension StreamingCommand {
 
     /// Output the given message (info/trace to stdout, warnings/errors to stderr)
     func msg(_ kind: Message.Kind = .note, _ message: @autoclosure () throws -> String, sourceFile: Source.FilePath? = nil, sourceRange: Source.Range? = nil) rethrows {
-        if outputOptions.quiet == true {
+        if outputOptions.quiet == true && kind == .note {
             return
         }
         if kind == .trace && outputOptions.verbose != true {