Vendor Bulidah 1.11.2

Vendor in Buildah 1.11.2 into libpod/Podman

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

vendor/github.com/containers/buildah/pkg/umask/umask_unix.go

@@ -0,0 +1,20 @@
+// +build linux darwin
+
+package umask
+
+import (
+	"syscall"
+
+	"github.com/sirupsen/logrus"
+)
+
+func CheckUmask() {
+	oldUmask := syscall.Umask(0022)
+	if (oldUmask & ^0022) != 0 {
+		logrus.Debugf("umask value too restrictive.  Forcing it to 022")
+	}
+}
+
+func SetUmask(value int) int {
+	return syscall.Umask(value)
+}

vendor/github.com/containers/buildah/pkg/umask/umask_unsupported.go

@@ -0,0 +1,7 @@
+// +build !linux,!darwin
+
+package umask
+
+func CheckUmask() {}
+
+func SetUmask(int) int { return 0 }