github.com/rothwerx/packer@v0.9.0/communicator/winrm/time.go (about)

     1  package winrm
     2  
     3  import (
     4  	"fmt"
     5  	"time"
     6  )
     7  
     8  // formatDuration formats the given time.Duration into an ISO8601
     9  // duration string.
    10  func formatDuration(duration time.Duration) string {
    11  	// We're not supporting negative durations
    12  	if duration.Seconds() <= 0 {
    13  		return "PT0S"
    14  	}
    15  
    16  	h := int(duration.Hours())
    17  	m := int(duration.Minutes()) - (h * 60)
    18  	s := int(duration.Seconds()) - (h*3600 + m*60)
    19  
    20  	res := "PT"
    21  	if h > 0 {
    22  		res = fmt.Sprintf("%s%dH", res, h)
    23  	}
    24  	if m > 0 {
    25  		res = fmt.Sprintf("%s%dM", res, m)
    26  	}
    27  	if s > 0 {
    28  		res = fmt.Sprintf("%s%dS", res, s)
    29  	}
    30  
    31  	return res
    32  }