Bump image, storage, and image-spec

Bump containers/image (pulling in its new dependency on ostree-go),
containers/storage, and updated image-spec.

This pulls in the OCI v1.0 specifications and code that allows us to
support 1.0 images.

Signed-off-by: Dan Walsh <dwalsh@redhat.com>
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

vendor/github.com/ostreedev/ostree-go/pkg/otbuiltin/builtin.go

@@ -0,0 +1,93 @@
+// Package otbuiltin contains all of the basic commands for creating and
+// interacting with an ostree repository
+package otbuiltin
+
+import (
+	"errors"
+	"fmt"
+	"runtime"
+	"unsafe"
+
+	glib "github.com/ostreedev/ostree-go/pkg/glibobject"
+)
+
+// #cgo pkg-config: ostree-1
+// #include <stdlib.h>
+// #include <glib.h>
+// #include <ostree.h>
+// #include "builtin.go.h"
+import "C"
+
+type Repo struct {
+	//*glib.GObject
+	ptr unsafe.Pointer
+}
+
+// Converts an ostree repo struct to its C equivalent
+func (r *Repo) native() *C.OstreeRepo {
+	//return (*C.OstreeRepo)(r.Ptr())
+	return (*C.OstreeRepo)(r.ptr)
+}
+
+// Takes a C ostree repo and converts it to a Go struct
+func repoFromNative(p *C.OstreeRepo) *Repo {
+	if p == nil {
+		return nil
+	}
+	//o := (*glib.GObject)(unsafe.Pointer(p))
+	//r := &Repo{o}
+	r := &Repo{unsafe.Pointer(p)}
+	return r
+}
+
+// Checks if the repo has been initialized
+func (r *Repo) isInitialized() bool {
+	if r.ptr != nil {
+		return true
+	}
+	return false
+}
+
+// Attempts to open the repo at the given path
+func OpenRepo(path string) (*Repo, error) {
+	var cerr *C.GError = nil
+	cpath := C.CString(path)
+	pathc := C.g_file_new_for_path(cpath)
+	defer C.g_object_unref(C.gpointer(pathc))
+	crepo := C.ostree_repo_new(pathc)
+	repo := repoFromNative(crepo)
+	r := glib.GoBool(glib.GBoolean(C.ostree_repo_open(crepo, nil, &cerr)))
+	if !r {
+		return nil, generateError(cerr)
+	}
+	return repo, nil
+}
+
+// Enable support for tombstone commits, which allow the repo to distinguish between
+// commits that were intentionally deleted and commits that were removed accidentally
+func enableTombstoneCommits(repo *Repo) error {
+	var tombstoneCommits bool
+	var config *C.GKeyFile = C.ostree_repo_get_config(repo.native())
+	var cerr *C.GError
+
+	tombstoneCommits = glib.GoBool(glib.GBoolean(C.g_key_file_get_boolean(config, (*C.gchar)(C.CString("core")), (*C.gchar)(C.CString("tombstone-commits")), nil)))
+
+	//tombstoneCommits is false only if it really is false or if it is set to FALSE in the config file
+	if !tombstoneCommits {
+		C.g_key_file_set_boolean(config, (*C.gchar)(C.CString("core")), (*C.gchar)(C.CString("tombstone-commits")), C.TRUE)
+		if !glib.GoBool(glib.GBoolean(C.ostree_repo_write_config(repo.native(), config, &cerr))) {
+			return generateError(cerr)
+		}
+	}
+	return nil
+}
+
+func generateError(err *C.GError) error {
+	goErr := glib.ConvertGError(glib.ToGError(unsafe.Pointer(err)))
+	_, file, line, ok := runtime.Caller(1)
+	if ok {
+		return errors.New(fmt.Sprintf("%s:%d - %s", file, line, goErr))
+	} else {
+		return goErr
+	}
+}