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kyleandClaude Opus 5.5 02d5e25046 M4a task 14: post's comment was now_ms's; fixed, and every comment read

A script that rewrote the skeleton's comments put `now_ms`'s text on `post`. Task 14's second
session saw the contradiction and deliberated until cut off. Both comments are fixed, each
todo!() comment in tasks 14 and 15 was read beside its signature, and both tasks now say to stop
and quote a comment that does not fit. Lesson T29.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-09-24 00:40:05 -07:00

2.8 KiB

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M4a task 15: `gatewayd serve --config <path>`

Branch: m4a (run git switch m4a; git status --short must be empty, otherwise stop) Commit subject: gatewayd: main, serve --config with its start checks

Goal

The program. gatewayd serve --config <path> loads the configuration and the token, prepares its directory, and runs the serve loop (task 14) until it must stop, then exits 1. Anything else on the command line prints usage: gatewayd serve --config <path> and exits 2. Every failure at start prints one line and its runbook pointer and exits 1, before anything is created on disk and before any connection:

Failure	Output
the config cannot be read, parsed or checked	`gatewayd: <error>` then `see docs/runbook.md#gatewayd-start-failed`
the token's source is wrong	`gatewayd: <path>: <why>` then the same pointer
the token cannot be loaded	`gatewayd: secret mattermost_token: <why>` then `see docs/runbook.md#secret-unavailable` (the error's own `Display`)
`<home>/gateway` cannot be created	`gatewayd: cannot prepare <dir>: <error>` then the start-failed pointer

A token read from a file prints task 04's warning, and gatewayd goes on. The token itself is never printed: the last test runs the real program and looks for it in everything it wrote.

Files

Copy: crates/gatewayd/tests/main.rs, and the skeleton crates/gatewayd/src/main.rs (replaces the placeholder that printed "not implemented")
Modify: docs/implementer-log.md

The skeleton

Written: main, which parses the arguments like loopd's. To fill: serve(path), whose steps are above its todo!(). The directory is config.state_path()'s parent, created with std::fs::DirBuilder, recursive(true) and mode(0o700) (std::os::unix::fs::DirBuilderExt).

Steps

1. Copy. git switch m4a, then cp docs/plans/M4a/files/crates/gatewayd/tests/main.rs crates/gatewayd/tests/ && cp docs/plans/M4a/files/crates/gatewayd/src/main.rs crates/gatewayd/src/
2. See it fail. cargo test -p gatewayd --test main. Expected: it compiles; 4 fail and 1 passes (usage, since main is given).
3. Fill serve. cargo check -p gatewayd.
4. See it pass. cargo test -p gatewayd --test main. Expected: 5 passed.
5. Run everything. cargo test -p gatewayd. Expected: every suite passes.
6. Run the gate. cargo fmt --all, then make gate. Expected last line: gate: ok, with about 762 tests.
7. Log and commit. git add crates/gatewayd docs/implementer-log.md Cargo.lock && git commit

This is the last task of M4a. Stop after the commit.

Done when

cargo test -p gatewayd passes; make gate prints gate: ok.

Stop and report if

The comment above the todo!() does not fit the function, or contradicts a test: quote it.
A test's output contains the token.

2.8 KiB Raw Blame History

M4a task 15: gatewayd serve --config <path>