Colby Mchenry e65a39746c fix(init): surface and offer to opt in gitignored child repos on an empty index (#1156) (#1208) ...

A Git super-repo whose `.gitignore` excludes its child repositories indexed
~nothing at the parent: CodeGraph respects `.gitignore` by default (#970,
#1065), so the excluded children were skipped and `codegraph init` printed
"Done" with 0 nodes — even though `init` inside each child worked fine. The
empty index was silent and unexplained.

`init`/`index` now detect the gitignored child repos they skipped when an
index comes up empty of symbols, name them, and — in an interactive terminal
— offer to index them (writing an `includeIgnored` entry to codegraph.json and
re-indexing on the spot); non-interactive runs print the exact codegraph.json
snippet to add. Gated on nodesCreated === 0, so a project that deliberately
keeps gitignored reference clones out of a working index is never nagged.

- extraction: findUnindexedIgnoredRepos — the inverse of discoverEmbeddedRepoRoots
  (bounded, skips default-ignored dirs, respects existing includeIgnored)
- project-config: addIncludeIgnoredPatterns — create/merge codegraph.json,
  idempotent, refuses to clobber malformed JSON
- cli: wire the detect-name-offer flow into both `init` and `index`
- tests: +13 covering detection, config writing, and the no-nag gate

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

2026-07-07 13:01:38 -05:00

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