Generate typed QX bindings and add source editing tools

src/capability-language/git-resolver.ts

@@ -22,6 +22,7 @@ const checkoutName = (kind: string, repository: string, commit: string) => {
 export const createGitCapabilityResolver = async (options: {
   checkoutRoot: string;
   snapshotMap?: string;
+  snapshotOnly?: boolean;
 }): Promise<CapabilityRepositoryResolver> => {
   await mkdir(options.checkoutRoot, { recursive: true });
   const checkoutRoot = await realpath(options.checkoutRoot);
@@ -52,6 +53,7 @@ export const createGitCapabilityResolver = async (options: {
     const key = sourceKey(kind, source.repository, source.commit);
     const snapshot = snapshots.get(key);
     if (snapshot) return { directory: snapshot };
+    if (options.snapshotOnly) throw new Error(`No offline snapshot for ${kind} ${source.repository}@${source.commit}`);
     const existing = checkouts.get(key);
     if (existing) return await existing;
     const pending = (async () => {