vendor latest c/{buildah,common,image,storage}

Make sure everything passes for rc2.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

vendor/github.com/containers/buildah/internal/open/open.go

@@ -0,0 +1,39 @@
+package open
+
+import (
+	"errors"
+	"fmt"
+	"syscall"
+)
+
+// InChroot opens the file at `path` after chrooting to `root` and then
+// changing its working directory to `wd`.  Both `wd` and `path` are evaluated
+// in the chroot.
+// Returns a file handle, an Errno value if there was an error and the
+// underlying error was a standard library error code, and a non-empty error if
+// one was detected.
+func InChroot(root, wd, path string, mode int, perm uint32) (fd int, errno syscall.Errno, err error) {
+	requests := requests{
+		Root: root,
+		Wd:   wd,
+		Open: []request{
+			{
+				Path:  path,
+				Mode:  mode,
+				Perms: perm,
+			},
+		},
+	}
+	results := inChroot(requests)
+	if len(results.Open) != 1 {
+		return -1, 0, fmt.Errorf("got %d results back instead of 1", len(results.Open))
+	}
+	if results.Open[0].Err != "" {
+		if results.Open[0].Errno != 0 {
+			err = fmt.Errorf("%s: %w", results.Open[0].Err, results.Open[0].Errno)
+		} else {
+			err = errors.New(results.Open[0].Err)
+		}
+	}
+	return int(results.Open[0].Fd), results.Open[0].Errno, err
+}