v0.122.0: three ways the signals lied about themselves (R-189, R-188, R-186)
gates / gates (push) Successful in 7s

All three are the reporting and release path misreporting its own work. No
customer machine, no backup, no restore, no data. The restore-test itself and
when it runs are unchanged.

R-189 — a passing restore-test no longer vanishes on a restart. restore_tests[]
came only from the in-memory store, whose comment ("lost on restart; the cadence
re-populates") was true under a timer and stopped being true when R-86 made the
agent refuse to re-test a proven archive: the proof is then not repeated for a
whole archive generation. Observed live — a 14.5 GB offsite PASS reached no
host-report because the agent was restarted 2m43s later. RestoreTestState now
carries tier + verified beside the archive and renders reportable entries; the
collector merges them, one per tier, newest by TestedAt. It refuses to lie: a
record missing archive-or-tier produces no entry, and run mechanics are not
re-invented. Only successes are persisted, and the asymmetry is now written where
it will be read.

R-188 — a correct release stops emailing a failure. Only the tag PUSH moved
(build -> tag locally -> publish -> push tag): the push wakes CI, and a tag
visible before its package made the gate correctly fail a correct release about
half the time. The old order's invariant is asserted directly instead — the gate
now refuses a published version with no tag, as a bounded probe that prints its
own coverage, because the package listing api is still 401 without a token.

R-186 — a released binary can be verified by rebuilding it. -trimpath
-buildvcs=false: same source, same bytes, tag or no tag. Measured. publish-agent's
fallback also forced CGO_ENABLED=0 and produced a 74 KB different binary for the
same version; both paths now build identically. CLAUDE.md records the command.
This commit is contained in:
2026-08-03 16:40:18 +02:00
parent 3d0a1d615d
commit 7581f8140a
16 changed files with 895 additions and 42 deletions
+80 -7
View File
@@ -74,7 +74,25 @@ existing="$(curl -fsS -o /dev/null -w '%{http_code}' \
BIN="$(mktemp -t felhom-agent-XXXXXX)"
trap 'rm -f "$BIN"' EXIT
log "building $VERSION"
go build -ldflags "-X main.version=$VERSION" -o "$BIN" ./cmd/felhom-agent \
# REPRODUCIBLE BY CONSTRUCTION (R-186). The sha printed below is the one the operator vouches, and
# until now nobody could rebuild it to check: `go build` stamps a module version derived from VCS
# state, so a build made BEFORE the tag exists and a rebuild made after it are different binaries.
# Measured 2026-08-03 at this commit — same source, same toolchain, same ldflags:
#
# default flags, no tag yet .. 18f4a495… 14 085 464 B (mod v0.121.2-0.2026…-3d0a1d61)
# default flags, tagged ...... 4a38f394… 14 085 440 B (mod v0.121.99)
# -trimpath -buildvcs=false ... 7ffcdf1d… 14 064 574 B IDENTICAL both ways
#
# `-buildvcs=false` removes the stamp — nothing in this repo reads it (no `ReadBuildInfo` caller,
# verified) and the version comes from the explicit ldflag below, which is where it belongs.
# `-trimpath` removes absolute build paths, so a rebuild from a different checkout directory also
# matches. Neither is a sequencing trick: the property no longer depends on WHEN the build happens.
#
# CGO is deliberately left at its default. publish-agent.sh's fallback build used to force
# CGO_ENABLED=0 and therefore produced a DIFFERENT binary (13 990 236 B, 74 KB smaller) for the same
# version — one version name, two binaries, by whichever entry point was used. Both now build the
# same way; if that ever has to change, change it in BOTH or the guarantee is gone.
go build -trimpath -buildvcs=false -ldflags "-X main.version=$VERSION" -o "$BIN" ./cmd/felhom-agent \
|| die "go build failed"
built_ver="$("$BIN" --version 2>/dev/null | awk '{print $2}')"
[[ "$built_ver" == "$VERSION" ]] \
@@ -82,10 +100,27 @@ built_ver="$("$BIN" --version 2>/dev/null | awk '{print $2}')"
BUILT_SHA="$(sha256sum "$BIN" | awk '{print $1}')"
log "built ok: sha256 $BUILT_SHA"
# ── 4. Tag (before publishing, so a published version always has a tag) ─────────────────────────
# Order matters in this direction only: a tag with no package is caught by
# scripts/check-published-versions.py on the next CI run; a package with no tag is invisible to it,
# ── 4. Tag LOCALLY (the push comes after the publish — see step 6) ──────────────────────────────
#
# THE ORDER CHANGED, AND ONLY THE PUSH MOVED (R-188, 2026-08-03).
#
# It used to be tag → push tag → publish, and the reason written here was sound: a tag with no
# package is caught by scripts/check-published-versions.py, a package with no tag is invisible to it,
# because the Gitea package LISTING api needs a token the gate does not have.
#
# What that reasoning missed is that the tag PUSH is what wakes CI (`on: [push]`), so the gate ran in
# the seconds between the tag becoming visible and the package existing — and correctly failed. Every
# correct release had roughly a coin-flip chance of emailing the operator a failure for a release
# that worked. Measured across two releases in one session: runs 12/13 (v0.121.0) and 17/18
# (v0.121.1), same sha each time, opposite results. R-168 made that mail the thing that cannot be
# missed; a mail that is wrong half the time is one you stop reading, and then the real one goes too.
#
# So the tag is still created HERE, before anything is published — the build and the tag still
# describe the same commit, and a failed publish leaves a purely local tag that never misled anyone.
# It simply becomes VISIBLE (to CI, and to any installer fetching raw/tag/…) only once the package
# is downloadable. The invariant the old order protected is not traded away: it is asserted directly
# by the gate's new converse probe (a published version with no tag FAILS), so both directions are
# now checked rather than one being arranged for.
log "tagging $TAG at $(git rev-parse --short HEAD)"
git tag -a "$TAG" -m "agent $TAG
@@ -94,7 +129,6 @@ sha256 of the published binary: $BUILT_SHA
felhom-host-install.sh fetches this version's config files from raw/tag/$TAG/configs/,
so this tag is part of the released artifact, not a bookmark (R-183)."
git push origin "$TAG" || die "tag push failed — refusing to publish an untagged version"
# ── 5. Publish (the existing script; deliberately not reimplemented) ────────────────────────────
log "publishing …"
@@ -104,9 +138,48 @@ log "publishing …"
# R-115 exists to make unforgettable was, on its first use, unrunnable. The mode bit is restored in
# the same commit; this line makes the release independent of it, because a file mode is exactly the
# kind of thing that is lost again by a checkout, an archive, or a copy.
bash "$REPO_ROOT/scripts/publish-agent.sh" "$VERSION" "$BIN" || die "publish failed"
if ! bash "$REPO_ROOT/scripts/publish-agent.sh" "$VERSION" "$BIN"; then
# The tag is LOCAL-ONLY at this point, so a failed publish must not leave one behind: the next
# attempt would die at step 2's "tag $TAG already exists" and read as "this version is already
# released", which would be exactly backwards. Only remove it if nothing was in fact published —
# if a package DOES exist, the tag is wanted and must be pushed, not deleted.
now_published="$(curl -fsS -o /dev/null -w '%{http_code}' \
"$GITEA_BASE/api/packages/$GITEA_OWNER/generic/felhom-agent/$VERSION/felhom-agent" 2>/dev/null || true)"
if [[ "$now_published" == "200" ]]; then
log "publish reported failure but the package IS downloadable — keeping the local tag; push it with: git push origin $TAG"
else
git tag -d "$TAG" >/dev/null 2>&1 && log "removed the local-only tag $TAG so the release can be retried"
fi
die "publish failed"
fi
# ── 6. Verify by an INDEPENDENT download ────────────────────────────────────────────────────────
# ── 6. Push the tag, now that the package exists ────────────────────────────────────────────────
# This is the step that makes the release VISIBLE — to CI, and to every `raw/tag/v<version>/` fetch
# the installer makes. It runs last of the two so CI can never see a tag whose package is not there.
#
# If it fails, the release is HALF DONE and must be said so loudly: the package is published and the
# tag exists only in this clone, which is precisely the orphan the gate's converse probe now catches.
# The recovery is one line and it is printed rather than described.
log "pushing $TAG"
if ! git push origin "$TAG"; then
cat >&2 <<EOF
RELEASE HALF DONE — the package is PUBLISHED and its tag is NOT pushed.
version : $VERSION
sha256 : $BUILT_SHA
The tag exists in this clone only. Nothing installs from an untagged version (the installer
fetches this version's configs from raw/tag/$TAG/), and scripts/check-published-versions.py will
FAIL on it as a published version with no tag. Finish the release with:
git push origin $TAG
EOF
die "tag push failed after a successful publish — see above"
fi
# ── 7. Verify by an INDEPENDENT download ────────────────────────────────────────────────────────
# The publish step's own success is not proof: it reports on its own write. What matters is that a
# box can now GET the bytes and that they are the bytes that were built. This is the same
# presence-is-not-success rule the project earned twice — a step that says "done" and a fetch that