Device passthrough and root checks

vm/os_specifics.go

@@ -1,47 +0,0 @@
-//go:build !windows
-
-package vm
-
-import (
-	"os/exec"
-	"path/filepath"
-	"strings"
-	"syscall"
-
-	"github.com/pkg/errors"
-)
-
-func prepareVMCmd(cmd *exec.Cmd) {
-	// This is to prevent Ctrl+C propagating to the child process.
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Setpgid: true,
-	}
-}
-
-func terminateProcess(pid int) error {
-	return syscall.Kill(-pid, syscall.SIGTERM)
-}
-
-// This is never used except for a band-aid that would check
-// that there are no double-mounts.
-func checkDeviceSeemsMounted(devPathPrefix string) (bool, error) {
-	// Quite a bit hacky implementation, but it's to be used as a failsafe band-aid anyway.
-	absDevPathPrefix, err := filepath.Abs(devPathPrefix)
-	if err != nil {
-		return false, errors.Wrap(err, "get abs path")
-	}
-
-	mounts, err := exec.Command("mount").Output()
-	if err != nil {
-		return false, errors.Wrap(err, "run mount command")
-	}
-
-	for _, line := range strings.Split(string(mounts), "\n") {
-		// I know, I know, this is a rare band-aid.
-		if strings.HasPrefix(line, devPathPrefix) || strings.HasPrefix(line, absDevPathPrefix) {
-			return true, nil
-		}
-	}
-
-	return false, nil
-}