1
0
Fork 1
mirror of https://github.com/vbatts/tar-split.git synced 2024-11-17 22:08:38 +00:00
tar-split/debug.go
Vincent Batts ed6b293839 debug: add an mtree.Debugf and -debug flag
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
2016-07-26 13:54:45 -04:00

18 lines
441 B
Go

package mtree
import (
"fmt"
"os"
"time"
)
// DebugOutput is the where DEBUG output is written
var DebugOutput = os.Stderr
// Debugf does formatted output to DebugOutput, only if DEBUG environment variable is set
func Debugf(format string, a ...interface{}) (n int, err error) {
if os.Getenv("DEBUG") != "" {
return fmt.Fprintf(DebugOutput, "[%d] [DEBUG] %s\n", time.Now().UnixNano(), fmt.Sprintf(format, a...))
}
return 0, nil
}