✨ Stage, switch and commit in REPL entries

packages/cli/src/deno-repositories.ts

@@ -158,16 +158,18 @@ function snapshot(helper: HelperAssembly): HelperAssembly {
 }
 
 /**
- * What a REPL entry's execution initializes: recording and selection, and
- * nothing else.
+ * What this registration gives a REPL entry's execution: recording, selection
+ * and local Git.
  *
  * Registered by the selected REPL host rather than by the bundled Plugin,
- * because an entry is not an ordinary run: it retains the file work it does and
- * the managed checkouts it selects to do that work in, and installs no Git host,
- * publication or external worker. Each executing entry initializes its own, in
- * the scope below its Agent attachment, so a passive view — a settled history,
- * a frozen position — initializes nothing, creates no managed root and takes no
- * lease.
+ * because an entry is not an ordinary run: it retains the file work it does, the
+ * managed checkouts it selects to do that work in, and the staging, branch
+ * switches and commits it performs in them — and it installs no publication and
+ * no external worker. The issue capability an entry runs with is selected
+ * separately, above, because it belongs to no checkout. Each executing entry initializes its own, in the scope
+ * below its Agent attachment, so a passive view — a settled history, a frozen
+ * position — initializes nothing, creates no managed root, reads no commit
+ * identity and takes no lease.
  *
  * The root and the helper are copied here, at registration, rather than held as
  * the caller's object. What an entry initializes with has to be what this host

packages/cli/tests/repl-repositories-pty.test.ts

@@ -26,8 +26,10 @@ import { cliRuntime, cliShellCommand } from "@executablemd/test-support/launch";
 import type { Operation } from "effection";
 import {
   replFilesJourney,
+  replGitJourney,
   replOrdinaryFileWork,
   replRepositoryJourney,
+  replUnsupportedGit,
   replUnsupportedSelection,
 } from "./support/repl-files-journey.ts";
 
@@ -59,9 +61,22 @@ describe("a REPL entry's files, across leaving and coming back", () => {
     },
   );
 
+  it(
+    JOURNEY
+      ? "E1: a committed object id answers again while the checkout has moved on"
+      : "E8: this runtime refuses Add, Switch and Commit before a native operation",
+    function* (): Operation<void> {
+      yield* JOURNEY ? replGitJourney(sourceCommand, "ambient") : replUnsupportedGit(sourceCommand);
+    },
+  );
+
   if (JOURNEY) {
     it("E1: a managed Worktree's captured path routes a Dir, and answers again", function* (): Operation<void> {
       yield* replRepositoryJourney(sourceCommand, "worktree");
     });
+
+    it("E1: a selected Worktree's Add and Commit answer again on reopening", function* (): Operation<void> {
+      yield* replGitJourney(sourceCommand, "worktree");
+    });
   }
 });