The ladder's INT/TERM traps wrote the receipt and exited as soon as the
foreground stage returned, even when the stage's child caught Ctrl-C and
succeeded (setup's provider picker prints "Provider setup skipped." and
carries on). gateway and complete were skipped, the bootstrap marker was
never written and rc went 0 -> 130: a telemetry write changed installer
control flow.
install.sh:
- The ladder traps (INT, TERM and now HUP, a closed terminal) only note the
signal while a stage runs. rc==0 clears a Ctrl-C and the ladder carries on,
as bash's cooperative exit did on main; rc!=0 with a signal noted writes
`interrupted` and re-raises the signal. Outside a stage (platform check,
banner, between stages) the signal stops the run at once with a receipt.
The traps are installed with the EXIT trap, before check_platform.
- Inside a ladder stage, a signal marks STAGE_INTERRUPTED; stage_result
writes `interrupted` over the stage's own class, so pm.cli /
source_completion / `hermes setup` catching KeyboardInterrupt and exiting 1
no longer reads deps_install_failed / setup_failed. A child the signal
killed still ends the stage at once (status 128+N).
- A TERM/HUP sent to the installer alone takes effect when the running stage
returns (documented; the stage stays in the foreground because a
background stage's children ignore Ctrl-C under bash 3.2), and the receipt
names the stage the run stopped before, not a finished one.
- A stage killed outright (SIGKILL/OOM) now leaves a `failed/<stage>/other`
receipt; a failed write (full disk) removes its .tmp; the fallback id uses
$(( RANDOM*32768+RANDOM )) (no octal parse); no clock -> no receipt.
install.ps1:
- A native child that ended on Ctrl-C (130 or STATUS_CONTROL_C_EXIT) reads
`interrupted` over the stage's class; the receipt write removes its .tmp
on failure; the dead `other` class on the pre-ladder Initialize-ResolvedPaths
Fail is dropped (it runs before the ladder's try, so it never wrote one).
Tests (real install.sh main block with stub stage bodies, real SIGINT to the
process group): a handled Ctrl-C finishes the install with a success
receipt; a child that turns Ctrl-C into exit 1 reads interrupted. Both red
at 6246dd0f69d.
5f7f9e143d