PR #3 proposed adding mypy and flake8 to CI, with configurations for both. The idea is right and the
configurations are kept. Three things about the PR itself needed correcting, and all three were found
by running the gate rather than reading the diff:
1. It was written against an older tree. Its own edits reference code that no longer exists there
(`unknown, positions, warnings = ...`, a `struct` import at line 857 that is used 600 lines
later), so merging it as-is would have removed a live import. The fixes were re-derived against
the current tree instead, and the PR is superseded.
2. It added a `paths:` filter to the workflow, watching only `*.py` plus the two lint configs. That
would stop `check_refs.py` and `check_routing.py` -- documentation gates -- from running on a
documentation-only commit, which is exactly the change they exist to catch. The workflow keeps
the PR's `actions/*@v7` bump and gains no filter; the reason is written next to the trigger.
3. `pip install --upgrade pip pytest` was dropped to just the packages, because upgrading pip in CI
is not a goal and can fail for reasons unrelated to this repository.
What the gate found on the current tree, and what was done about it -- 70 flake8 findings and 3 mypy
errors, none of which were cosmetic-only:
F401 (23) unused imports, removed. These were safe to delete because the import statement itself
cannot have a side effect that matters here.
F841 (12) unused bindings, handled three ways rather than one. Dead code was deleted
(`mt_mcp_probe.print_waiting_help`'s `host`, `repack.py`'s `signer_jar`); a computed
value that was then forgotten was **wired up** (`rasc_build.py` now names the linker
target in its build-failure hint instead of discarding it); and a binding that is
intentional kept its place with `# noqa: F841` and the reason -- `java2c_probe` reads
dex header fields one by one against the format spec, and deleting three of them to
please a linter would have made the parser stop lining up with the format it implements.
E741 (14) the ambiguous loop name `l`, renamed with an AST pass that resolves each binding to its
own scope. A regex rename would have been wrong: several scopes bind their own `l`.
That pass had a defect of its own -- it treated a comprehension target as living in the
comprehension scope while leaving references to it in the enclosing one -- which
produced seven `undefined name 'l'`. Found by running flake8, fixed, and the counting
bug is documented in `check_routing.py`, whose own `tables()` had the same class of
error in the other direction.
style continuation indents, blank lines between top-level definitions, and lines over length.
The line limit is 160, not 120, and the number is a **measurement**: this repository's
secret-scanner rule table holds raw regex source of 148 and 156 characters, which cannot
be split without changing the pattern.
mypy (3) two missing annotations on module-level containers, and one optional-dependency rebind
(`dexutil = None` after `except ImportError`) that is the repository's own idiom and
now says so with a `type: ignore[assignment]` and the reason. No code was reordered to
satisfy the checker.
Verified on a venv containing only `mypy` and `flake8` -- the poorest environment the configuration
must work in, and the one CI uses: **flake8 reports 0, mypy reports "Success: no issues found in 55
source files"**. Behaviour is unchanged: 625 passed / 163 skipped / 25 xfailed, the same five gates
green (check_repo 0 problem, check_refs 0 dangling, check_routing coherent, check_budget 0 failure,
check_commands 0 drift), and every key script still prints help.
.flake8 new, with the line-length and complexity numbers and their reasons
mypy.ini new; optional imports declared, nothing excluded from the analysis
ci.yml `actions/*@v7`; new `lint` job on one interpreter; no path filter
30 files the findings above
The skill lived at the repository root, which the CLI reads as a single-skill repository and which makes a second skill impossible to add. SKILL.md, references/ and scripts/ move under skills/apk-reverse/ with git mv, so history follows and no in-skill reference needs changing (they are relative to SKILL.md).
check_repo.py now discovers every skills/*/SKILL.md, validates frontmatter by parsing it instead of pattern-matching it, and requires the README to name skills through explicit skills/<name>/... paths.
check_refs.py is new: it audits file.md section cross-references against the real headings in the target file. It found six dangling ones, all fixed here.
SKILL.md: the description is now quoted. Unquoted, it contained a colon-space, which is invalid YAML, so the CLI skipped the skill and reported No skills found. Adds a Coverage section stating what is out of scope and what to do when nothing matches. toolchain.md: IDA is not GUI-only (idalib-mcp is a headless MCP server), plus a section on MCP servers as external dependencies and the deobfuscate-before-LLM boundary. README.md: install via npx skills add, the new layout, coverage and maintenance tools.
Verified: check_repo.py and check_refs.py both clean, build_scripts.py audit 0 findings, npx skills add . --list reports apk-reverse, and an install into a scratch directory lands SKILL.md plus 28 references and 38 scripts.
inliver233