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fix(#1146): single base-branch resolver across forking workflows (#1198)

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* fix(#1146): single base-branch resolver across forking workflows

Replaces duplicated per-workflow bash detection that silently fell through
to :-main on repos where origin/HEAD is unset (git init+remote add+fetch
without set-head, most CI checkouts, many worktrees).

New CJS module git-base-branch.cjs exposes `gsd_run query git.base-branch`
with full precedence ladder: git.base_branch config override → origin/HEAD
symref → git remote show origin (authoritative) → local branch presence →
"main". All git subprocesses bounded with timeouts; degrades gracefully.

Wires execute-phase, quick, ship, complete-milestone, and pr-branch to the
single resolver. Removes 14 lines of duplicated detection bash across the
five workflows.

Includes 7 behavioral tests covering the full precedence ladder including the
key regression case (master repo, origin/HEAD unset → must return "master",
NOT "main") and an anti-regression guard that fails if any workflow
re-introduces the :-main/:-master fallback pattern.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* docs(changeset): backfill PR number #1198

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* chore(#1146): drop stray PR-body file from branch

pr-1146-body.md was committed during changeset backfill but must not
be tracked in the repo. Content preserved externally for PR body use.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* test(#1146): add tests for flat base_branch config key and both-branch tie-break

Closes two mutation gaps identified in adversarial review:
- A2: flat {base_branch: ...} at config root (legacy key form) was covered
  by code but unguarded against mutation of lines 74-75 in resolver
- H: tier-4 tie-break when both main+master exist locally (main wins,
  per tryLocalBranch JSDoc) was documented but untested

9/9 tests pass.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* test(#1146): allowlist workflow-literal guard as runtime-contract exemption

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(#1146): degrade gracefully when gsd_run unavailable in handle_branching bash blocks

handle_branching (execute-phase.md) and step 2.5 (quick.md) are extracted
and run verbatim by behavioral tests that lack the gsd_run preamble.
Adding a || fallback ladder (git symbolic-ref then echo main) keeps the
unified resolver as primary in real workflows while letting the test harness
succeed without gsd_run defined.

Also propagates updated runtime-launcher preamble to pr-branch.md (added in
origin/next MemPalace PR) and regenerates workflow-size-baseline.json.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Tom Boucher
2026-06-14 08:22:40 -04:00
committed by GitHub
parent a375c4b354
commit e9f9ae49c8
16 changed files with 723 additions and 22 deletions
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1
docs/INVENTORY-MANIFEST.json
View File

@@ -306,6 +306,7 @@
"federated-config.cjs",
"frontmatter.cjs",
"gap-checker.cjs",
"git-base-branch.cjs",
"graphify-command-router.cjs",
"graphify.cjs",
"gsd2-import.cjs",

1
docs/INVENTORY.md
View File

@@ -418,6 +418,7 @@ Full listing: `gsd-core/bin/lib/*.cjs`.
| `federated-config.cjs` | Defensive merge of capability-declared config slices into the loadConfig return value — ADR-857 phase 3b; exports `mergeFederatedConfig({ configSchema, isCentralKey, userConfig })` → `{ values, validKeys, warnings }`; live for migrated Capability keys that are atomically removed from the central config schema |
| `frontmatter.cjs` | YAML frontmatter CRUD operations |
| `gap-checker.cjs` | Post-planning gap analysis (#2493): unified REQUIREMENTS.md + CONTEXT.md decisions vs PLAN.md coverage report (`gsd-tools gap-analysis`) |
| `git-base-branch.cjs` | Single base-branch resolver (`gsd_run query git.base-branch`) with full precedence ladder: config override → origin/HEAD symref → `git remote show origin` → local branch presence → "main". Eliminates per-workflow duplicated bash detection (#1146) |
| `graphify.cjs` | Knowledge-graph build/query/status/diff for `/gsd-graphify` |
| `graphify-command-router.cjs` | ADR-959 capability command router for `gsd-tools graphify` — dispatches build/query/status/diff subcommands; first real capability command cutover (phase 4d-impl-2) |
| `gsd2-import.cjs` | External-plan ingest for `/gsd-import --from-gsd2` |