Update to the latest version of buildah

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/cgroups/cpuset.go

@@ -1,85 +0,0 @@
-package cgroups
-
-import (
-	"fmt"
-	"io/ioutil"
-	"path/filepath"
-	"strings"
-
-	spec "github.com/opencontainers/runtime-spec/specs-go"
-	"github.com/pkg/errors"
-)
-
-type cpusetHandler struct {
-}
-
-func cpusetCopyFileFromParent(dir, file string, cgroupv2 bool) ([]byte, error) {
-	if dir == cgroupRoot {
-		return nil, fmt.Errorf("could not find parent to initialize cpuset %s", file)
-	}
-	path := filepath.Join(dir, file)
-	parentPath := path
-	if cgroupv2 {
-		parentPath = fmt.Sprintf("%s.effective", parentPath)
-	}
-	data, err := ioutil.ReadFile(parentPath)
-	if err != nil {
-		return nil, errors.Wrapf(err, "open %s", path)
-	}
-	if len(strings.Trim(string(data), "\n")) != 0 {
-		return data, nil
-	}
-	data, err = cpusetCopyFileFromParent(filepath.Dir(dir), file, cgroupv2)
-	if err != nil {
-		return nil, err
-	}
-	if err := ioutil.WriteFile(path, data, 0644); err != nil {
-		return nil, errors.Wrapf(err, "write %s", path)
-	}
-	return data, nil
-}
-
-func cpusetCopyFromParent(path string, cgroupv2 bool) error {
-	for _, file := range []string{"cpuset.cpus", "cpuset.mems"} {
-		if _, err := cpusetCopyFileFromParent(path, file, cgroupv2); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func getCpusetHandler() *cpusetHandler {
-	return &cpusetHandler{}
-}
-
-// Apply set the specified constraints
-func (c *cpusetHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
-	if res.CPU == nil {
-		return nil
-	}
-	return fmt.Errorf("cpuset apply not implemented yet")
-}
-
-// Create the cgroup
-func (c *cpusetHandler) Create(ctr *CgroupControl) (bool, error) {
-	if ctr.cgroup2 {
-		path := filepath.Join(cgroupRoot, ctr.path)
-		return true, cpusetCopyFromParent(path, true)
-	}
-
-	created, err := ctr.createCgroupDirectory(CPUset)
-	if !created || err != nil {
-		return created, err
-	}
-	return true, cpusetCopyFromParent(ctr.getCgroupv1Path(CPUset), false)
-}
-
-// Destroy the cgroup
-func (c *cpusetHandler) Destroy(ctr *CgroupControl) error {
-	return rmDirRecursively(ctr.getCgroupv1Path(CPUset))
-}
-
-// Stat fills a metrics structure with usage stats for the controller
-func (c *cpusetHandler) Stat(ctr *CgroupControl, m *Metrics) error {
-	return nil
-}