rootfs: Add support for rootfs-overlay and bump to buildah v1.22.1-0.202108

Allows users to specify a readonly rootfs with :O, in exchange podman will create a writable overlay.

bump builah to v1.22.1-0.20210823173221-da2b428c56ce

[NO TESTS NEEDED]

Signed-off-by: flouthoc <flouthoc.git@gmail.com>

1 files changed, 19 insertions, 5 deletions

diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go
index a67327972..5599082ae 100644
--- a/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go
+++ b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go
@@ -10,6 +10,7 @@ import (
 	"syscall"
 
 	"github.com/Azure/go-ansiterm"
+	windows "golang.org/x/sys/windows"
 )
 
 // Windows keyboard constants
@@ -162,15 +163,28 @@ func ensureInRange(n int16, min int16, max int16) int16 {
 
 func GetStdFile(nFile int) (*os.File, uintptr) {
 	var file *os.File
-	switch nFile {
-	case syscall.STD_INPUT_HANDLE:
+
+	// syscall uses negative numbers
+	// windows package uses very big uint32
+	// Keep these switches split so we don't have to convert ints too much.
+	switch uint32(nFile) {
+	case windows.STD_INPUT_HANDLE:
 		file = os.Stdin
-	case syscall.STD_OUTPUT_HANDLE:
+	case windows.STD_OUTPUT_HANDLE:
 		file = os.Stdout
-	case syscall.STD_ERROR_HANDLE:
+	case windows.STD_ERROR_HANDLE:
 		file = os.Stderr
 	default:
-		panic(fmt.Errorf("Invalid standard handle identifier: %v", nFile))
+		switch nFile {
+		case syscall.STD_INPUT_HANDLE:
+			file = os.Stdin
+		case syscall.STD_OUTPUT_HANDLE:
+			file = os.Stdout
+		case syscall.STD_ERROR_HANDLE:
+			file = os.Stderr
+		default:
+			panic(fmt.Errorf("Invalid standard handle identifier: %v", nFile))
+		}
 	}
 
 	fd, err := syscall.GetStdHandle(nFile)