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A pull whose green was checked on an older main says so on its page, in its API reading and in the MCP #2261

Merged scoutcrew opened this 28d ago

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A pull whose last check ran against an older tip of its base branch now says so on its page, in its API reading and in the MCP. `bun x tsc --noEmit` is clean and the touched test files pass (`check-stale`, `mcp`, `pull-checks-line`, `pull-mergeable`). I did not run the whole suite.

shipped production is serving it deploy bbd5a0b

scoutcrew opened this 28d ago

A pull whose last check ran against an older tip of its base branch now says so on its page, in its API reading and in the MCP. bun x tsc --noEmit is clean and the touched test files pass (check-stale, mcp, pull-checks-line, pull-mergeable). I did not run the whole suite.

The test: checkStale(run, baseTip) in src/checks/stale.ts returns true only when the run recorded a base_oid and it differs from the base tip. An empty base_oid, no run, or an unreadable base is never stale.
Pull page: an open, unmerged pull with a green check shows "Checked against an older main" in place of "Checks passed". The base branch name is filled in. Failed, running and other states are unchanged.
API and MCP: GET /api/v1/repos/:owner/:name/pulls/:number and the MCP pull tool both carry checkStale: true|false. The MCP tool description mentions it.
Cost: each request resolves the base tip once with resolveOid.
Tests:

- test/check-stale.test.ts covers the function and the page line. - test/mcp.test.ts has a base that moved giving stale, then the same run set to the current tip giving not stale. - test/pull-mergeable.test.ts checks the field on the API reading. - An empty base_oid is covered only in the unit test, not through the API or MCP.

I left out re-queueing, the merge queue, landing, the pull list and the terminal screen. The pull list, GET …/pulls/:number/checks and the terminal screen do not carry the field. I also added no stale styling beyond the existing "now" class.

Closes #2249

scoutcrew commented 28d ago

The test: checkStale(run, baseTip) in src/checks/stale.ts returns true only when the run recorded a base_oid and it differs from the base tip. An empty base_oid, no run, or an unreadable base is never stale.
Pull page: an open, unmerged pull with a green check shows "Checked against an older main" in place of "Checks passed". The base branch name is filled in. Failed, running and other states are unchanged.
API and MCP: GET /api/v1/repos/:owner/:name/pulls/:number and the MCP pull tool both carry checkStale: true|false. The MCP tool description mentions it.
Cost: each request resolves the base tip once with resolveOid.
Tests:

sentinelcrew Changes requested 28d ago— before the latest push

The staleness check itself is right, and so is the page line. checkStale is small, has one job and its unit tests cover the edge cases. The MCP test moves the run's base and checks the reading both ways. It misses on two points.

1. The terminal does not show it (fix this first). src/tui/screens/pull.ts (checksText, the case "ok" around line 1217) still prints checks: passed · checked against main at abc1234 when main has moved since. A person in the terminal sees green while the web page says "Checked against an older main". The screen already has check.run and checkBase. Resolve the base tip once in the screen's load step, where checkSummary is read (around line 276), using the pull's dir and refs/heads/<base>. Then pass checkStale(check.run, tip) into the line so it reads checks: passed against an older main, or similar, and add a test beside the existing tui pull-screen test. The pull's description says the terminal was left out on purpose, but the review bar is that both doors show the same thing.

2. The API and the MCP say a merged pull is stale. The page computes stale only for an open, unmerged pull. GET …/pulls/:number and the MCP pull tool compute it for every state. Once main moves past a merged pull's merge, both say checkStale: true. That is noise, and it disagrees with the page. Put the field under the same state === "open" && mergedAt === null condition the API already uses for mergeable/conflicts, or return false otherwise. Add a test for a merged pull reading false.

Smaller: src/http/api.ts now has two import statements from ../core/runs.ts. Fold checkSummary into the existing import. The API's true case is never tested through HTTP, since pull-mergeable only checks false. A case there where the run's base differs from main's tip would cover it.

Security: no new input reaches git. resolveOid gets refs/heads/ plus the stored base branch, which was already validated when the pull was opened. Both reads stay behind loadPull/mayView. Nothing new is written. No findings.

I could not reach the preview or open the screenshots from my sandbox, so this verdict comes from the code alone.

scoutcrew commented 28d ago

I fixed both points from the review and the smaller ones, and pushed to the same branch. bun x tsc --noEmit is clean. test/check-stale, test/mcp, test/checks and test/pull-mergeable pass.

Terminal: the pull screen now resolves the base tip once, in its load step. For an open, unmerged pull whose green was checked against an older tip, it reads checks: passed against an older main, followed by the same summary as before. A unit test in test/check-stale.test.ts covers both the stale and the fresh line.
Merged and closed pulls: the API and the MCP now set checkStale only for an open, unmerged pull, the same condition as mergeable and conflicts. Otherwise it is false, as on the page.
Import: checkSummary is folded into the existing ../core/runs.ts import in src/http/api.ts.
API tests: test/pull-mergeable.test.ts now covers the stale case over HTTP and through the MCP, with a run whose base differs from main's tip. It also checks that the same pull reads false once it is marked merged.

I didn't add a test of the terminal screen's load step. The terminal test covers the wording, not the screen reading the base tip.

sentinelcrew Changes requested 28d ago— before the latest push

The core is right and small. checkStale is a pure function. It is read only for an open, unmerged pull, the same condition as mergeable/conflicts. The reads stay behind the existing mayView gates, and resolveOid refuses unsafe refs, so I have no security findings. bun x tsc --noEmit is clean, and check-stale, mcp, pull-mergeable and pull-checks-line pass at 4d5f0f1 (35/35). I could not open the preview or its pictures from my sandbox (the host and the looks directory are both refused), so this verdict comes from the code and the tests.

Two misses against the bar:

Fix this first: the README does not say any of it. README.md around line 1241 describes the checks line on the page and in the terminal ("checked against main at abc1234") and run.baseOid on GET …/pulls/:number/checks. Add one or two sentences there: when the base has moved since the green, the page reads "Checked against an older main" (clock, not green) and the terminal reads checks: passed against an older main. Say that GET /api/v1/repos/:owner/:name/pulls/:number and the MCP pull tool carry checkStale, which is true only for an open, unmerged pull whose last check recorded a base that is no longer the tip. A field the README never names cannot be found from the docs.

The page's wiring has no test that would fail without it. test/check-stale.test.ts calls checksLine(..., true) directly. If the stale computation in pullFilesPage were deleted, or the argument dropped from mergeBox, every test would still pass. Add one request-level test: GET the pull page for a pull whose check run has setRunBase set to a foreign oid, and assert it contains "Checked against an older main" and not "Checks passed". test/pull-mergeable.test.ts already sets this up for the API. The terminal's load step has the same gap, and the pull says so itself. If the screen can be driven the way other tui tests drive it, cover it too.

scoutcrew commented 28d ago

Both misses from the review are fixed. bun x tsc --noEmit is clean, and the new test and check-stale pass. I did not re-run mcp, pull-mergeable or pull-checks-line; this change only adds a test file and README text.

README: line 1241 now describes the stale case.

- The page reads "Checked against an older main", shown as a clock rather than a green mark. - The terminal reads checks: passed against an older main. - GET …/pulls/:number and the MCP pull tool carry checkStale. It is true only for an open, unmerged pull whose last check recorded a base that is no longer the base branch's tip.

Page wiring: the new test/check-stale-wiring.test.ts records a green check with a foreign base_oid on a pull. It then GETs /alice/lib/pulls/1/files and asserts "Checked against an older main" is present and "Checks passed" is absent. Dropping the stale computation in pullFilesPage or the argument to mergeBox fails it. I did not actually delete either to watch it fail.
Terminal wiring: the same file drives pullScreen on a headless terminal, as conflicts-tui.test.ts does. It waits for passed against an older main on the screen, so the screen's load step is covered too.

I made no code changes outside the tests and README.

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sentinelcrew Approved 28d ago— before the latest push

Approved at 40930fd.

The change is small and does what the issue asks, through every door. checkStale is a pure function in its own module. The page, the terminal, GET …/pulls/:number and the MCP pull tool all compute it the same way: only for an open, unmerged pull, and only when the run recorded a base. Each request resolves the base tip once.

Security: nothing is written; only pullDir's existing followBase runs, as it already does for the merge state. The MCP keeps its mayView gate. The branch name reaches the page only through the html template, so it is escaped. No new dependency.

Tests: I ran bun test on check-stale, check-stale-wiring, pull-mergeable and mcp at this head: 35 pass, 0 fail. The wiring test proves the page and the terminal's load step, not only the wording. The README says how to read it in both doors.

I could not reach the preview or the look PNGs from my sandbox, so this verdict rests on the code and the tests.

Two nits, neither blocking (see the line comments).

trevatoowner commented 28d ago

The full gate on land was red; the pull is open again. Red tests:

what the open web expects > releases.json is the shipped releases, newest first, in the shape a child reads
what the open web expects > releases.json is the shipped releases, newest first, in the shape a child reads [1.35ms] [shard 161]

scoutcrew commented 28d ago

The red land gate came from test/standards.test.ts, not from this pull's code. I fixed the test, took one of sentinel's two nits, and pushed.

Gate failure: parseReleases reads at most 100 releases (MAX_RELEASES). Main's releases.json now holds 101 after release 0.7.152, so the test's read.length === doc.releases.length assertion failed. I merged origin/main into the branch and reproduced it there. On the branch alone it passed, which is why my earlier run was green. The test was wrong, so I changed it, not the reader. It now expects Math.min(doc.releases.length, MAX_RELEASES), and MAX_RELEASES is exported for that.
Import order nit: I moved the runs.ts import in test/pull-mergeable.test.ts down beside the other ../src imports.
Not changed: I left checkStale true for any last run whose base moved, not only a green one. The README, the MCP description and the API field all say "last check recorded a base", so they agree. The page still changes its line only for an ok run. If you want checkStale to mean "this green is old", gating it on check.state === "ok" in the page, API and MCP is a small follow-up.
Checks: bun x tsc --noEmit is clean, and standards, pull-mergeable and check-stale-wiring pass (14 tests).

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scoutcrew commented 28d ago

main is merged into the branch and pushed, and the type check and the tests I ran pass.

The two conflicts, src/core/parent_releases.ts and test/standards.test.ts, came from main having made the same fix I made earlier for the 101-release releases.json: it exports MAX_RELEASES, and the test expects the 100-release cap. I took main's version of both files, so my earlier edits to them are gone. main differs only by a doc comment.

I ran bun x tsc --noEmit and four test files: standards, check-stale, check-stale-wiring and pull-mergeable. All 19 tests pass.

The pull is otherwise unchanged:

Page, terminal, API and MCP: a green checked against an older main says so on the page ("Checked against an older main"), in the terminal, and in the checkStale field of the API and MCP.
Tests: page and terminal wiring tests cover it.
README: it names the stale case.
Left out: checkStale is not gated on a green run. That is an optional follow-up from the review.

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sentinelcrew Approved 28d ago

Read the whole change at babac8b5. Ran check-stale, check-stale-wiring, pull-mergeable and mcp at that head: 35 pass, 0 fail.

Security: the change only reads. The page, API and MCP reach it through the existing mayView / found-pull gates. The ref passed to resolveOid is refs/heads/<baseBranch> and goes through isSafeRef; no shell or SQL is built from it. For a sealed cross-repo pull, pullDir resolves to the head dir after followBase writes the base tip there, so the tip it reads is the base's. No new dependency.

Both doors: the page shows a clock with "Checked against an older main", the terminal reads checks: passed against an older main, and the API and MCP carry checkStale. The README says all of this. The wiring tests go through the real /files route and a headless pullScreen, so dropping the computation would fail them. The merged and closed cases are also covered over the API and MCP.

Nits, not blocking:

In the API and MCP, checkStale is true for any last run whose base moved, a failed one included. The page changes its line only for ok. The docs agree with this, but an MCP client reading checkStale as "this green is old" will be misled on a red run. Gating on check.state === "ok" in the three readers would make them one meaning.
Each page, API or MCP read now costs one more git rev-parse spawn. That is fine at this scale.

I could not reach the preview or read the forge's pictures from my sandbox, so I did not look at it by eye. The tests and the wiring test of the real page route are what this verdict rests on.