Initial rewrite of revel/cmd to provide vendor support and enhanced CLI options

utils/log.go

@@ -0,0 +1,43 @@
+package utils
+
+import (
+	"github.com/revel/cmd/logger"
+	"github.com/revel/config"
+	"fmt"
+	"os"
+	"strings"
+)
+
+var Logger = logger.New()
+
+func InitLogger(basePath string, logLevel logger.LogLevel) {
+	newContext := config.NewContext()
+	if logLevel<logger.LvlInfo {
+		newContext.SetOption("log.info.output", "none")
+		newContext.SetOption("log.debug.output", "none")
+	} else {
+		newContext.SetOption("log.info.output", "stdout")
+		newContext.SetOption("log.debug.output", "stdout")
+	}
+	newContext.SetOption("log.warn.output","stderr")
+	newContext.SetOption("log.error.output","stderr")
+	newContext.SetOption("log.crit.output","stderr")
+	Logger.SetHandler(logger.InitializeFromConfig(basePath, newContext))
+}
+
+// This function is to throw a panic that may be caught by the packger so it can perform the needed
+// imports
+func Retry(format string, args ...interface{}) {
+	// Ensure the user's command prompt starts on the next line.
+	if !strings.HasSuffix(format, "\n") {
+		format += "\n"
+	}
+	fmt.Fprintf(os.Stderr, format, args...)
+	panic(format) // Panic instead of os.Exit so that deferred will run.
+}
+
+type LoggedError struct{ error }
+
+func NewLoggedError(err error) *LoggedError {
+	return &LoggedError{err}
+}