checker_status names the builds a running check waits on (ADR 0603 §10)

Worked out from the builder's builds state at each read, stored nowhere: of each running check, the candidate's builds
that are neither done nor failed.

Claude-Session: https://claude.ai/code/session_01JG73KG7AfSdh6FP8VrBqCn
This commit is contained in:
2026-11-03 17:51:09 +01:00
parent 453cdfa607
commit 877b09e92b
3 changed files with 72 additions and 4 deletions
@@ -244,7 +244,9 @@ func Tools(r check.Reader) []stdio.Tool {
"build seats' streams, whose backlog the delivery view shows (novox/hq ADR 0525). held_by_turn names the candidates whose check an approved " +
"merge's turn holds off (novox/hq ADR 0548 §3), with the repository and the merge that waits; the gate's turns tool reads every turn and its " +
"hand-now tool steers one. dead_letters says whether the checker hears the asks the build seats give up on (issue 734), and why not: " +
"deaf, a try or check whose ask is given up waits until its bound. Read-only.",
"deaf, a try or check whose ask is given up waits until its bound. builds_not_ended names, of each running check, the builder's builds of " +
"its candidate's changed modules that are neither done nor failed: the check waits on them before it composes, within its build-wait-bound " +
"(novox/hq ADR 0603 §10); a failed one fails the check: the builder's builder_build_again builds it again, then mesh-delivery.recheck asks the check again. Read-only.",
Input: map[string]any{"type": "object", "properties": map[string]any{}},
Run: func(map[string]any) (any, error) { return r.Status() }},
}
@@ -283,7 +285,7 @@ func main() {
StepStates: map[string]check.StateRead{"mesh-build-go": read(stdio.State("mesh-build-go.steps")), "mesh-build-node": read(stdio.State("mesh-build-node.steps"))},
HaveState: read(stdio.State("node-engine.have")), StepBound: stepBound(),
TurnState: read(stdio.State("mesh-delivery-gate.turns")), HearingState: read(stdio.State(buildrun.HearingState)),
AskState: read(stdio.State(check.AsksState))}
AskState: read(stdio.State(check.AsksState)), BuildState: read(stdio.State("mesh-delivery-builder.builds"))}
r.Runs = runsOf{read(stdio.State("mesh-delivery-indexer.modules"))} // the node-engine at the commit the mesh runs, as the checker reads it
tries := stdio.State(check.TriesState)
source := stdio.State("mesh-delivery-gate.source")
@@ -3,6 +3,7 @@ package check
import (
"encoding/json"
"fmt"
"slices"
"sort"
"strings"
"time"
@@ -47,6 +48,9 @@ type Reader struct {
Runs interface{ CommitOf(module string) string }
// HearingState is the checker's state hearing: whether it hears DEAD_LETTERS (issue 734).
HearingState StateRead
// BuildState is the builder's builds (mesh-delivery-builder.builds): the builds of a running check's candidate that have
// not ended, which the check waits on before it composes (ADR 0603 §10); without it none is named.
BuildState StateRead
// AskState is the checker's state asks: the asks each running check put (AsksState), which checker_ask_again reads.
AskState StateRead
Now func() time.Time
@@ -344,6 +348,10 @@ type Status struct {
// Lost are the candidates whose verdict is running while no step of theirs can still run and their newest step ended, by
// group, with that step: nothing will judge them (the lost check of 2026-10-28); checker_ask_again asks one again.
Lost map[string]string `json:"lost"`
// BuildsNotEnded are, of each candidate whose check runs, the builder's builds of its changed modules that are neither
// done nor failed, by group: `<module> <state>`, sorted (no key yet is `not begun`). A check waits on them before it
// composes (ADR 0603 §10), but for the modules its line names as composed without them; builder_build_again builds a failed one again.
BuildsNotEnded map[string]string `json:"builds_not_ended,omitempty"`
// DeadLetters says whether the checker hears the asks the build seats give up on (issue 734): deaf, a try or check
// whose ask is given up waits until its bound.
DeadLetters DeadLettersHeard `json:"dead_letters"`
@@ -500,6 +508,12 @@ func (r Reader) Status() (Status, error) {
if why := read.lostWhy(c); why != "" {
st.Lost[c.Group] = why
}
if words := r.buildsNotEnded(c); words != "" {
if st.BuildsNotEnded == nil {
st.BuildsNotEnded = map[string]string{}
}
st.BuildsNotEnded[c.Group] = words
}
case IsNodesFailure(v):
st.Waiting[KindNodes] = append(st.Waiting[KindNodes], c.Group)
case IsUntrunked(v):
@@ -663,3 +677,38 @@ func (r Reader) leftWhy(module string, step delivery.Step, now time.Time, bound
}
return ""
}
// buildsNotEnded are the builder's builds of the candidate's changed modules that are neither done nor failed, as
// Status.BuildsNotEnded says them; empty when none, or when the builder's builds are not readable here.
func (r Reader) buildsNotEnded(c delivery.Candidate) string {
if r.BuildState.Get == nil {
return ""
}
var out []string
for _, p := range c.Pulls {
for module, cm := range p.Fps {
if cm.FP2 == "" || cm.Manifest == "" {
continue
}
key, err := delivery.BuilderBuildKey(module, cm.FP2)
if err != nil {
continue
}
raw, err := r.BuildState.Get(key)
if err != nil {
continue
}
state := "not begun"
if len(raw) > 0 {
b, err := delivery.DecodeBuilderBuild(raw)
if err != nil || b.State == delivery.BuildDone || b.State == delivery.BuildFailed {
continue
}
state = b.State
}
out = append(out, module+" "+state)
}
}
sort.Strings(out)
return strings.Join(slices.Compact(out), ", ")
}
@@ -147,10 +147,24 @@ func TestTheStatusToolReadsRunningSteps(t *testing.T) {
passed, _ := delivery.EncodeStep(delivery.Step{ID: "abc2", Tool: "build_go_test", Node: "ace", State: delivery.StepPassed})
cand := candidateOf(t, "feat/x", pullOf(repoA, 7, head1))
ckey, _ := delivery.CandidatesKey("feat/x")
// ADR 0603 §10: feat/y's check runs and waits on the builds of its changed modules: web building, mail not begun; api
// is done and named nowhere.
fp, man := "src2:"+strings.Repeat("f", 64), strings.Repeat("e", 64)
py := pullOf(repoA, 8, head2)
py.Modules, py.Fps = []string{"api", "mail", "web"}, map[string]delivery.CandidateModule{"web": {FP2: fp, Manifest: man}, "mail": {FP2: fp, Manifest: man}, "api": {FP2: fp, Manifest: man}}
candY := candidateOf(t, "feat/y", py)
ykey, _ := delivery.CandidatesKey("feat/y")
runningV, _ := delivery.EncodeVerdict(delivery.Verdict{Group: "feat/y", Heads: "0123456789ab", State: delivery.VerdictRunning})
builds := fakeState{}
for module, state := range map[string]string{"web": delivery.BuildBuilding, "api": delivery.BuildDone} {
k, _ := delivery.BuilderBuildKey(module, fp)
builds[k], _ = json.Marshal(delivery.BuilderBuild{V: 1, State: state})
}
rd := Reader{
StepStates: map[string]StateRead{"mesh-build-go": fakeState{"shanks.abc1": running, "ace.abc2": passed}.read()},
CandidateState: fakeState{ckey: cand}.read(),
VerdictState: fakeState{}.read(),
CandidateState: fakeState{ckey: cand, ykey: candY}.read(),
VerdictState: fakeState{keyOf(t, "feat/y", candY): runningV}.read(),
BuildState: builds.read(),
HaveState: fakeState{"shanks.mesh-build-go": haveOf(t, delivery.PhaseRunning)}.read(),
HearingState: fakeState{"dead-letters": []byte(`{"heard":false,"streams":["SEAT_NODE_BUILD_GO"],` +
`"why":"DEAD_LETTERS is not heard, so an ask a build seat gives up on is waited for until its bound: SEAT_NODE_BUILD_GO: permissions violation",` +
@@ -167,6 +181,9 @@ func TestTheStatusToolReadsRunningSteps(t *testing.T) {
if len(st.Unjudged) != 1 || st.Unjudged[0] != "feat/x" {
t.Errorf("unjudged = %v", st.Unjudged)
}
if got := st.BuildsNotEnded; len(got) != 1 || got["feat/y"] != "mail not begun, web building" {
t.Errorf("builds not ended = %v, want feat/y's mail not begun and web building", got)
}
// Issue 734, review round 1: a checker that does not hear DEAD_LETTERS says so in its status, with why.
if st.DeadLetters.Heard || !strings.Contains(st.DeadLetters.Why, "permissions violation") {
t.Errorf("dead letters = %+v, want not heard, saying why", st.DeadLetters)