refactor: simplify pass (trekexecute)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

hooks/scripts/pre-bash-executor.mjs

@@ -272,15 +272,18 @@ const commandView = commandPositionView(deobfuscated.replace(/\x1B\[[0-9;]*m/g,
 // close early and an unquoted opener has nothing to expand, so it is skipped.
 // An opener with a non-blank line after it is blocked unless it is quoted
 // (<<'D', <<"D" or <<\D, whose body is not expanded) and exactly one line,
-// trimmed, equals the delimiter with every line after that one empty.
+// trimmed, equals the delimiter with every line after that one empty. A
+// command that never names the delimiter skips the whole check.
 const ARGS_DELIM = 'VOYAGE_ARGS_EOF_7F3C9E';
+if (command.includes(ARGS_DELIM)) {
   const argsOpeners = command.matchAll(new RegExp(`<<-?\\s*(['"\\\\]?)${ARGS_DELIM}(['"]?)`, 'g'));
   const argsLines = command.split('\n');
   const argsClosing = argsLines.flatMap((l, i) => (l.trim() === ARGS_DELIM ? [i] : []));
   const closesOnceAtEnd = argsClosing.length === 1 &&
     argsLines.slice(argsClosing[0] + 1).every((line) => line.trim() === '');
   for (const argsOpener of argsOpeners) {
-  const hasBody = command.slice(argsOpener.index).split('\n').slice(1).some((l) => l.trim() !== '');
+    // Some line after the opener's line is non-blank (\s is the set trim() strips).
+    const hasBody = /\n\s*\S/.test(command.slice(argsOpener.index));
     if (!hasBody) continue;
     const [, open, close] = argsOpener;
     const quoted = open === '\\' ? close === '' : open !== '' && close === open;
@@ -298,6 +301,7 @@ for (const argsOpener of argsOpeners) {
       process.exit(2);
     }
   }
+}
 // END args-heredoc-closed-early
 
 // Check BLOCK rules first

lib/review/recurrence.mjs

@@ -330,7 +330,9 @@ function atomicWriteText(repo, rel, text) {
  * 1 = not ignored; a spawn error or any exit other than 0, 1 or 128 is a
  * failed check. Exit 128 means "not a git repository" only some of the time:
  * inside a repository it also comes from a path beyond a symbolic link, a
- * broken `.git/HEAD` or a `GIT_DIR` that does not exist (CKI). So on 128 a
+ * broken `.git/HEAD` or a `GIT_DIR` that does not exist (CKI), and the probe's
+ * own `git rev-parse --git-dir` exits 128 too on dubious ownership, a bad
+ * `.git/config` or a garbage `.git/HEAD`. So on 128 a
  * probe decides (see notARepoReason), and only a directory that is truly no
  * repository gives `no-git-repo`; everything else, including a probe that
  * throws, is `failed`. No branch reads git's message text, so the answer does
@@ -360,9 +362,8 @@ function lessonsIgnored(repo, rel) {
 /**
  * After a check-ignore exit 128: null when `repo` is no git repository, else
  * the reason it may be one. `git rev-parse --git-dir` exit 0 proves a
- * repository; its exit 128 alone proves nothing (dubious ownership, a bad
+ * repository; its exit 128 alone proves nothing (see lessonsIgnored), so then
- * `.git/config` and a garbage `.git/HEAD` all exit 128 there), so then the
+ * the answer is null only when GIT_DIR is unset and no `.git` entry (file or
- * answer is null only when GIT_DIR is unset and no `.git` entry (file or
  * directory) is found by gitEntryDir. A spawn error or any other exit is a
  * reason too. May throw (realpath of a vanished repo); the caller reads that
  * as a failed check.
@@ -417,10 +418,10 @@ export function withPointer(claudeText) {
  * The result's `pointer` (when written): 'written' | 'present' | 'no-claude-md' |
  * 'symlink-skipped' (CLAUDE.md is a symlink, DJ4) | 'ignored-skipped' (git
  * ignores the lessons file, PTR) | 'check-failed' (git check-ignore did not
- * answer, or answered exit 128 for a directory that may be a repository: a
+ * answer, or answered exit 128 for a directory that may be a repository, see
- * path beyond a symbolic link, a broken repository, GIT_DIR set, or a `.git`
+ * lessonsIgnored; `pointer_note` says how, and always names check-ignore).
- * entry found; `pointer_note` says how, and always names check-ignore). Only
+ * Only a directory that is truly no repository gets the pointer without the
- * a directory that is truly no repository gets the pointer without the check.
+ * check.
  * Nothing is written through a symlinked
  * lessons file or a lessons directory outside the repo (R3): written false.
  * @returns {{ written: boolean, reason: string, path?: string, pointer?: string, pointer_note?: string }}

tests/e2e-fix-round-4-5b-part-2.sh

@@ -73,7 +73,7 @@ hookrun() {
   out="$1"
   shift
   node -e 'process.stdout.write(JSON.stringify({ tool_name: "Bash", tool_input: { command: process.argv.slice(1).join("\n") } }));' "$@" \
-    | node "$HOOK" > "$out.stdout" 2> "$out"
+    | node "$HOOK" > /dev/null 2> "$out"
 }
 
 D=VOYAGE_ARGS_EOF_7F3C9E

tests/lib/fix-round-4-5b-part-2-scripts.test.mjs

@@ -52,7 +52,8 @@ test('part-2 scripts: each is ASCII only, passes /bin/bash -n and uses no bash 4
     const r = spawnSync('/bin/bash', ['-n', join(ROOT, rel)], { encoding: 'utf8', env: childEnv() });
     assert.equal(r.status, 0, `${rel} does not pass /bin/bash -n: ${r.stderr}`);
     const text = buf.toString('utf8');
-    for (const bash4 of [/\bdeclare -A\b/, /\bmapfile\b/, /\breadarray\b/, /\|&/]) {
+    for (const bash4 of [/\bdeclare -A\b/, /\bmapfile\b/, /\breadarray\b/, /\|&/, /^\s*[A-Za-z_]+=\(/m,
+      /\$\{[A-Za-z_]+,,\}/, /\$\{[A-Za-z_]+\^\^\}/]) {
       assert.doesNotMatch(text, bash4, `${rel} uses ${bash4}, which bash 3.2 lacks`);
     }
   }