Vendor in latest containers/buildah

Pulls in fix that sets the correct ownership on
the working directory during the build process.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

vendor/github.com/containers/buildah/imagebuildah/stage_executor.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/containers/buildah"
 	buildahdocker "github.com/containers/buildah/docker"
+	"github.com/containers/buildah/pkg/chrootuser"
 	"github.com/containers/buildah/util"
 	cp "github.com/containers/image/v5/copy"
 	"github.com/containers/image/v5/docker/reference"
@@ -1248,9 +1249,22 @@ func (s *StageExecutor) EnsureContainerPath(path string) error {
 	if err != nil {
 		return errors.Wrapf(err, "error ensuring container path %q", path)
 	}
-	_, err = os.Lstat(targetPath)
+
+	_, err = os.Stat(targetPath)
 	if err != nil && os.IsNotExist(err) {
 		err = os.MkdirAll(targetPath, 0755)
+		if err != nil {
+			return errors.Wrapf(err, "error creating directory path %q", targetPath)
+		}
+		// get the uid and gid so that we can set the correct permissions on the
+		// working directory
+		uid, gid, _, err := chrootuser.GetUser(s.mountPoint, s.builder.User())
+		if err != nil {
+			return errors.Wrapf(err, "error getting uid and gid for user %q", s.builder.User())
+		}
+		if err = os.Chown(targetPath, int(uid), int(gid)); err != nil {
+			return errors.Wrapf(err, "error setting ownership on %q", targetPath)
+		}
 	}
 	if err != nil {
 		return errors.Wrapf(err, "error ensuring container path %q", path)

vendor/github.com/containers/buildah/run_linux.go

@@ -678,6 +678,11 @@ func runUsingRuntime(isolation Isolation, options RunOptions, configureNetwork b
 	runtime := options.Runtime
 	if runtime == "" {
 		runtime = util.Runtime()
+
+		localRuntime := util.FindLocalRuntime(runtime)
+		if localRuntime != "" {
+			runtime = localRuntime
+		}
 	}
 
 	// Default to just passing down our stdio.

vendor/github.com/containers/buildah/util/util.go

@@ -10,6 +10,7 @@ import (
 	"sync"
 	"syscall"
 
+	"github.com/containers/common/pkg/config"
 	"github.com/containers/image/v5/docker/reference"
 	"github.com/containers/image/v5/pkg/sysregistriesv2"
 	"github.com/containers/image/v5/signature"
@@ -432,3 +433,33 @@ var (
 	isUnified     bool
 	isUnifiedErr  error
 )
+
+// fileExistsAndNotADir - Check to see if a file exists
+// and that it is not a directory.
+func fileExistsAndNotADir(path string) bool {
+	file, err := os.Stat(path)
+
+	if file == nil || err != nil || os.IsNotExist(err) {
+		return false
+	}
+	return !file.IsDir()
+}
+
+// FindLocalRuntime find the local runtime of the
+// system searching through the config file for
+// possible locations.
+func FindLocalRuntime(runtime string) string {
+	var localRuntime string
+	conf, err := config.Default()
+	if err != nil {
+		logrus.Debugf("Error loading container config when searching for local runtime.")
+		return localRuntime
+	}
+	for _, val := range conf.Libpod.OCIRuntimes[runtime] {
+		if fileExistsAndNotADir(val) {
+			localRuntime = val
+			break
+		}
+	}
+	return localRuntime
+}