Add mage files for changelog

Signed-off-by: James Strong <strong.james.e@gmail.com>

magefiles/common.go

@@ -0,0 +1,66 @@
+//go:build mage
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"time"
+)
+
+var DEBUG bool
+
+func init() {
+	DEBUG = false
+	debugENV := os.Getenv("MAGE_DEBUG")
+	if debugENV == "true" {
+		DEBUG = true
+	}
+}
+
+// CheckArgs should be used to ensure the right command line arguments are
+// passed before executing an example.
+func CheckArgs(arg ...string) {
+	if len(os.Args) < len(arg)+1 {
+		ErrorF("Usage: %s %s", os.Args[0], strings.Join(arg, " "))
+		os.Exit(1)
+	}
+}
+
+// CheckIfError should be used to naively panics if an error is not nil.
+func CheckIfError(err error, format string, args ...interface{}) {
+	if err == nil {
+		return
+	}
+
+	fmt.Printf("\x1b[31;1m%s ERROR %s %s\x1b[0m\n", timeStamp(), fmt.Sprintf(format, args...), err)
+	os.Exit(1)
+}
+
+// Info should be used to describe the example commands that are about to run.
+func Info(format string, args ...interface{}) {
+	fmt.Printf("\x1b[34;1m%s INFO: %s\x1b[0m\n", timeStamp(), fmt.Sprintf(format, args...))
+}
+
+func timeStamp() string {
+	t := time.Now()
+	return t.Format(time.RFC3339)
+}
+
+// Warning should be used to display a warning
+func Warning(format string, args ...interface{}) {
+	fmt.Printf("\x1b[36;1m%s WARNING: %s\x1b[0m\n", timeStamp(), fmt.Sprintf(format, args...))
+}
+
+// Info should be used to describe the example commands that are about to run.
+func Debug(format string, args ...interface{}) {
+	if DEBUG {
+		fmt.Printf("\x1b[34;1m%s DEBUG: %s\x1b[0m\n", timeStamp(), fmt.Sprintf(format, args...))
+	}
+}
+
+// Info should be used to describe the example commands that are about to run.
+func ErrorF(format string, args ...interface{}) {
+	fmt.Printf("\x1b[31;1m%s ERROR: %s\x1b[0m\n", timeStamp(), fmt.Sprintf(format, args...))
+}