moby/pkg/system/exitcode.go
Vincent Demeester acf7ce1aa0
Remove use of pkg/integration in pkg/idtools
This remove a dependency on `go-check` (and more) when using
`pkg/idtools`. `pkg/integration` should never be called from any other
package then `integration`.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2016-11-08 17:21:02 +01:00

33 lines
901 B
Go

package system
import (
"fmt"
"os/exec"
"syscall"
)
// GetExitCode returns the ExitStatus of the specified error if its type is
// exec.ExitError, returns 0 and an error otherwise.
func GetExitCode(err error) (int, error) {
exitCode := 0
if exiterr, ok := err.(*exec.ExitError); ok {
if procExit, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return procExit.ExitStatus(), nil
}
}
return exitCode, fmt.Errorf("failed to get exit code")
}
// ProcessExitCode process the specified error and returns the exit status code
// if the error was of type exec.ExitError, returns nothing otherwise.
func ProcessExitCode(err error) (exitCode int) {
if err != nil {
var exiterr error
if exitCode, exiterr = GetExitCode(err); exiterr != nil {
// TODO: Fix this so we check the error's text.
// we've failed to retrieve exit code, so we set it to 127
exitCode = 127
}
}
return
}