fix: add involves edge from task to agent:nomos at creation

Plus sync vendor directory for Docker build compatibility.

vendor/github.com/santhosh-tekuri/jsonschema/v6/loader.go

@@ -0,0 +1,266 @@
+package jsonschema
+
+import (
+	"embed"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"io/fs"
+	gourl "net/url"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+)
+
+// URLLoader knows how to load json from given url.
+type URLLoader interface {
+	// Load loads json from given absolute url.
+	Load(url string) (any, error)
+}
+
+// --
+
+// FileLoader loads json file url.
+type FileLoader struct{}
+
+func (l FileLoader) Load(url string) (any, error) {
+	path, err := l.ToFile(url)
+	if err != nil {
+		return nil, err
+	}
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	return UnmarshalJSON(f)
+}
+
+// ToFile is helper method to convert file url to file path.
+func (l FileLoader) ToFile(url string) (string, error) {
+	u, err := gourl.Parse(url)
+	if err != nil {
+		return "", err
+	}
+	if u.Scheme != "file" {
+		return "", fmt.Errorf("invalid file url: %s", u)
+	}
+	path := u.Path
+	if runtime.GOOS == "windows" {
+		path = strings.TrimPrefix(path, "/")
+		path = filepath.FromSlash(path)
+	}
+	return path, nil
+}
+
+// --
+
+// SchemeURLLoader delegates to other [URLLoaders]
+// based on url scheme.
+type SchemeURLLoader map[string]URLLoader
+
+func (l SchemeURLLoader) Load(url string) (any, error) {
+	u, err := gourl.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+	ll, ok := l[u.Scheme]
+	if !ok {
+		return nil, &UnsupportedURLSchemeError{u.String()}
+	}
+	return ll.Load(url)
+}
+
+// --
+
+//go:embed metaschemas
+var metaFS embed.FS
+
+func openMeta(url string) (fs.File, error) {
+	u, meta := strings.CutPrefix(url, "http://json-schema.org/")
+	if !meta {
+		u, meta = strings.CutPrefix(url, "https://json-schema.org/")
+	}
+	if meta {
+		if u == "schema" {
+			return openMeta(draftLatest.url)
+		}
+		f, err := metaFS.Open("metaschemas/" + u)
+		if err != nil {
+			if errors.Is(err, fs.ErrNotExist) {
+				return nil, nil
+			}
+			return nil, err
+		}
+		return f, err
+	}
+	return nil, nil
+
+}
+
+func isMeta(url string) bool {
+	f, err := openMeta(url)
+	if err != nil {
+		return true
+	}
+	if f != nil {
+		f.Close()
+		return true
+	}
+	return false
+}
+
+func loadMeta(url string) (any, error) {
+	f, err := openMeta(url)
+	if err != nil {
+		return nil, err
+	}
+	if f == nil {
+		return nil, nil
+	}
+	defer f.Close()
+	return UnmarshalJSON(f)
+}
+
+// --
+
+type defaultLoader struct {
+	docs   map[url]any // docs loaded so far
+	loader URLLoader
+}
+
+func (l *defaultLoader) add(url url, doc any) bool {
+	if _, ok := l.docs[url]; ok {
+		return false
+	}
+	l.docs[url] = doc
+	return true
+}
+
+func (l *defaultLoader) load(url url) (any, error) {
+	if doc, ok := l.docs[url]; ok {
+		return doc, nil
+	}
+	doc, err := loadMeta(url.String())
+	if err != nil {
+		return nil, err
+	}
+	if doc != nil {
+		l.add(url, doc)
+		return doc, nil
+	}
+	if l.loader == nil {
+		return nil, &LoadURLError{url.String(), errors.New("no URLLoader set")}
+	}
+	doc, err = l.loader.Load(url.String())
+	if err != nil {
+		return nil, &LoadURLError{URL: url.String(), Err: err}
+	}
+	l.add(url, doc)
+	return doc, nil
+}
+
+func (l *defaultLoader) getDraft(up urlPtr, doc any, defaultDraft *Draft, cycle map[url]struct{}) (*Draft, error) {
+	obj, ok := doc.(map[string]any)
+	if !ok {
+		return defaultDraft, nil
+	}
+	sch, ok := strVal(obj, "$schema")
+	if !ok {
+		return defaultDraft, nil
+	}
+	if draft := draftFromURL(sch); draft != nil {
+		return draft, nil
+	}
+	sch, _ = split(sch)
+	if _, err := gourl.Parse(sch); err != nil {
+		return nil, &InvalidMetaSchemaURLError{up.String(), err}
+	}
+	schUrl := url(sch)
+	if up.ptr.isEmpty() && schUrl == up.url {
+		return nil, &UnsupportedDraftError{schUrl.String()}
+	}
+	if _, ok := cycle[schUrl]; ok {
+		return nil, &MetaSchemaCycleError{schUrl.String()}
+	}
+	cycle[schUrl] = struct{}{}
+	doc, err := l.load(schUrl)
+	if err != nil {
+		return nil, err
+	}
+	return l.getDraft(urlPtr{schUrl, ""}, doc, defaultDraft, cycle)
+}
+
+func (l *defaultLoader) getMetaVocabs(doc any, draft *Draft, vocabularies map[string]*Vocabulary) ([]string, error) {
+	obj, ok := doc.(map[string]any)
+	if !ok {
+		return nil, nil
+	}
+	sch, ok := strVal(obj, "$schema")
+	if !ok {
+		return nil, nil
+	}
+	if draft := draftFromURL(sch); draft != nil {
+		return nil, nil
+	}
+	sch, _ = split(sch)
+	if _, err := gourl.Parse(sch); err != nil {
+		return nil, &ParseURLError{sch, err}
+	}
+	schUrl := url(sch)
+	doc, err := l.load(schUrl)
+	if err != nil {
+		return nil, err
+	}
+	return draft.getVocabs(schUrl, doc, vocabularies)
+}
+
+// --
+
+type LoadURLError struct {
+	URL string
+	Err error
+}
+
+func (e *LoadURLError) Error() string {
+	return fmt.Sprintf("failing loading %q: %v", e.URL, e.Err)
+}
+
+// --
+
+type UnsupportedURLSchemeError struct {
+	url string
+}
+
+func (e *UnsupportedURLSchemeError) Error() string {
+	return fmt.Sprintf("no URLLoader registered for %q", e.url)
+}
+
+// --
+
+type ResourceExistsError struct {
+	url string
+}
+
+func (e *ResourceExistsError) Error() string {
+	return fmt.Sprintf("resource for %q already exists", e.url)
+}
+
+// --
+
+// UnmarshalJSON unmarshals into [any] without losing
+// number precision using [json.Number].
+func UnmarshalJSON(r io.Reader) (any, error) {
+	decoder := json.NewDecoder(r)
+	decoder.UseNumber()
+	var doc any
+	if err := decoder.Decode(&doc); err != nil {
+		return nil, err
+	}
+	if _, err := decoder.Token(); err == nil || err != io.EOF {
+		return nil, fmt.Errorf("invalid character after top-level value")
+	}
+	return doc, nil
+}