devtoolset-7)
  # Download binary glibc 2.12 shared library release.
  wget "http://old-releases.ubuntu.com/ubuntu/pool/main/e/eglibc/libc6_2.12.1-0ubuntu6_amd64.deb" && \
      unar "libc6_2.12.1-0ubuntu6_amd64.deb" && \
      tar -C "${TARGET}" -xvzf "libc6_2.12.1-0ubuntu6_amd64/data.tar.gz" && \
      rm -rf "libc6_2.12.1-0ubuntu6_amd64.deb" "libc6_2.12.1-0ubuntu6_amd64"
  # Download binary glibc 2.12 development library release.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
	"path"
	"syscall"
	"testing"
)

// Based on `man getumask` a vaporware GNU extension to glibc.
// returns file mode creation mask.
func getUmask() int {
	mask := syscall.Umask(0)
	syscall.Umask(mask)
	return mask
}

// Tests if the directory and file creations happen with proper umask.

Quoc Truong <******@****.***> 1727209746 -0700

	//go:cgo_import_dynamic puts puts#GLIBC_2.2.5 "libc.so.6"
	//go:cgo_import_dynamic __libc_start_main __libc_start_main#GLIBC_2.2.5 "libc.so.6"
	//go:cgo_import_dynamic stdout stdout#GLIBC_2.2.5 "libc.so.6"
	//go:cgo_import_dynamic fflush fflush#GLIBC_2.2.5 "libc.so.6"
	//go:cgo_import_dynamic _ _ "libpthread.so.0"
	//go:cgo_import_dynamic _ _ "libc.so.6"

In the end, the compiled Go package, which will eventually be

OAGV/M,EAAIge,aAAgBb,EAASiD,EAAKZ,QAAQvC,IAAIjd,EAAI+M,OAAQ,KAEnD/M,EAsBX,SAAS0gB,GAAYC,EAAWvb,GAC5B,OAAO,SAAU9B,EAAKsd,GAClB,IAASC,EAmBT,OAjBe,OAAXD,GAAoBze,OAAOye,KAC3Bzb,EACIC,EACA,YACIA,EACA,uDACAA,EACA,kGAGRyb,EAAMvd,EACNA,EAAMsd,EACNA,EAASC,GAIbC,GAAY5iB,KADN8hB,GAAe1c,EAAKsd,GACHD,GAChBziB,MAIf,SAAS4iB,GAAYvZ,EAAKkW,EAAUsD,EAAU9c,GAC1C,IAAI+Z,EAAeP,EAASW,cACxBL,EAAOW,GAASjB,EAASY,OACzBtR,EAAS2R,GAASjB,EAASa,SAE1B/W,EAAIzF,YAKTmC,EAA+B,MAAhBA,GAA8BA,EAEzC8I,GACAU,GAASlG,EAAKoC,EAAIpC,EAAK,...

- Calico is unchanged at v3.3.1 as of Kubernetes 1.13. ([#70932](https://github.com/kubernetes/kubernetes/pull/70932))
- GLBC remains unchanged at v1.2.3 as of Kubernetes 1.12. ([#66793](https://github.com/kubernetes/kubernetes/pull/66793))