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Refuse a verb argument the seat would pass over, and say a push is of the whole mesh

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A push naming one machine reached the verb without it and pushed every
machine behind (hq issue 244). The controller now refuses any argument a
verb does not declare, any it composed its command line without, and a
switch that is not true or false; a push that names no machine says first
that it is the whole mesh. Tests walk every served verb: no argument is
ever ignored, and every flag of a verb's command, read from the source, is
in its schema or accounted for. plan gains files, push behind, builds and
plans limit.
This commit is contained in:
jochen
2026-10-06 00:37:14 +02:00
parent 6fdcfad8d3
commit 0f0028785c
5 changed files with 674 additions and 76 deletions
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cmd/mesh-controller/push.go
+18 -2
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@@ -322,7 +322,7 @@ func pushCommand(ctx context.Context, args []string) error {
if len(needsOne) == 0 {
// Said rather than doing nothing quietly. "Nothing needed one" and "this did not run"
// must never look the same.
fmt.Println("every machine is doing what it was told")
fmt.Println("no machine named: a push of the whole mesh, and every machine is doing what it was told — nothing sent")
return nil
}
}
@@ -363,6 +363,18 @@ func pushCommand(ctx context.Context, args []string) error {
}
asked = append(asked, n.Name)
}
// **A push that named no machine says so, first.** Through the console a machine the caller
// meant to name could be lost on the way (novox/hq issue 244): the call arrived empty, ran as
// `push --behind`, and every machine behind was pushed by someone who thought they had pushed one.
// Its whole-mesh reach is the first line of the answer, with the machines it is about to send.
if len(args) == 0 {
which := "every machine"
if *behind {
which = "every machine that is behind"
}
fmt.Printf("no machine named: this is a push of the WHOLE mesh — %s (%d): %s\n",
which, len(asked), strings.Join(asked, ", "))
}
// **The machine holding the bus first** (novox/hq issue 249): its declaration carries the bus's
// user list, and a module's new grants are refused by the bus until that list says them. Among
@@ -430,7 +442,11 @@ func pushCommand(ctx context.Context, args []string) error {
return err
}
release()
fmt.Printf("\n%d node(s) told\n", len(sending))
told := make([]string, 0, len(sending))
for _, r := range sending {
told = append(told, r.node)
}
fmt.Printf("\n%d node(s) told: %s\n", len(sending), strings.Join(told, ", "))
reportUnheldPushed(os.Stdout, len(args) == 1, asked, unheld)
// **A named push leaves the mesh consistent, not just the machine it named** (novox/hq