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feat(single-stack): port repin.sh to `rt repin` — the last link holding 1,222 lines of bash #761

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opened 2026-08-19 22:05:12 +02:00 by bosun · 5 comments

bosun commented

2026-08-19 22:05:12 +02:00

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Port `repin.sh` to `rt repin` — it unlocks 1,222 lines of deletable bash

Measured on main 1fe9341e. The remaining bash is not seven independent problems; it
is one dependency chain with a single load-bearing link.

scripts/repin.sh              215 lines   sources -> scripts/lib/forgejo-api.sh
scripts/lib/forgejo-api.sh   1177 lines   24 shell functions
scripts/lib/wrappers.sh        45 lines   1 shell function
                            ─────────
                             1437 lines

repin.sh is the ONLY live executable consumer of forgejo-api.sh. Port it and the
lib and its suites become deletable in the same change.

Why this is a port, not a rewrite — the Go already exists

internal/forgejo is a complete typed client and already covers the bash surface:

resolve_default_branch      -> GetDefaultBranch
forgejo_create_branch       -> CreateBranch
forgejo_create_pr           -> CreatePR
forgejo_find_pr_by_head     -> FindPRByHead
forgejo_find_pr_by_merge_sha-> FindPRByMergeSHA
forgejo_update_pr           -> UpdatePR
forgejo_merge_pr            -> MergePR

…20 methods behind interface.go, with client.go / reads.go / mutations.go and
tests. internal/wrappers/discover.go likewise already supersedes wrappers.sh's single
discover_consumer_wrappers.

🔑 So forgejo-api.sh's 1177 lines are a DUPLICATE IMPLEMENTATION, not unported work.
The cost is porting repin.sh's ~215 lines of orchestration onto an existing client — not
writing an API client.

Scope

1. Free deletions — no port needed, do these first:

scripts/dev-tools/migrate-releases-to-codeberg.sh   184   0 consumers, one-time historical
scripts/lib/wrappers.sh                              45   superseded by internal/wrappers;
                                                          repoint its one caller

2. The unit: rt repin

Port repin.sh onto internal/forgejo. It automates the self-bootstrap re-pin
(#172).
Then delete scripts/lib/forgejo-api.sh and scripts/repin.sh.
Then delete the suites that test the deleted bash: tests/forgejo-api.bats (52 arms),
tests/forgejo-api-resilience.bats (24), tests/repin.bats (9), tests/wrappers.bats
(7) — ~92 arms testing code that no longer exists.
⚠️ Port the RESILIENCE behaviour, not just the calls.
forgejo-api-resilience.bats has 24 arms and forgejo_api_call_with_retry /
forgejo_api_paginate exist for reasons someone paid for. Deleting those arms without
equivalent Go coverage trades tested bash for untested Go.

3. Entry points — a judgement, not a port:

scripts/setup-bump-labels.sh          86   docs/integration.md tells ADOPTERS to run it
docs/.../validate-grammars.sh        142   contracts/README.md says "Run it:"

Their caller is a person following documentation, so no grep reaches them and
retiring them means editing the docs that point at them. rt setup-bump-labels is the
obvious shape; validate-grammars may be better dropped than ported. Shipwright's
ENTRY POINT class — worth deciding explicitly rather than by omission.

🔴 `fetch-rt.sh` STAYS BASH — and moving it to Go or into workflows would both be wrong

Asked and answered here so it is not re-litigated. 63 non-comment lines. It resolves
the asset for os/arch, fetches checksums.txt, fetches the binary, verifies sha256, and
discards a cached binary that fails the check rather than using it.

Go is impossible, and not for want of effort. Everything it does happens before a
trusted rt exists. A Go program doing this work would itself need fetching and
verifying — the identical problem one level down. That is the definition of a bootstrap,
not a gap in the migration.

⚠️ Moving it into workflow YAML would REVERSE a deliberate decision. Its own header
records that it was extracted FROM action.yml under the repo's
extract-to-script-for-coverage preference, "so the security-critical checksum-verify
lives in ONE grep-able, testable place rather than in two copies that can silently
diverge." Workflow run: blocks are still bash — the move would relocate tested bash
into an untested YAML string and re-create the divergence risk, while losing
tests/fetch-rt.bats (8 arms). Strictly worse on every axis.

✅ The one real shrink is not a language question: ~8 of its lines are an os/arch gate
refusing anything but linux/amd64 (ADR-0009 §9). Those disappear when releases go
multi-platform — a release-matrix decision, not a bash one.

Acceptance criteria

scripts/dev-tools/migrate-releases-to-codeberg.sh deleted — DONE — absent from git ls-tree forgejo/main.
scripts/lib/wrappers.sh deleted, its caller repointed at internal/wrappers — DONE — absent at main.
rt repin implemented on internal/forgejo, with the retry/pagination behaviour — DONE — cmd/rt/main.go:161 registers the verb and :180 maps "repin" → newRepinCmd. Main's tip commit 025e5403 is itself a rt repin fix, so the Go path is live.
covered by Go tests BEFORE the bats arms are deleted
scripts/repin.sh and scripts/lib/forgejo-api.sh deleted — DEFERRED → #705 part B, which owns it. Measured at forgejo/main@025e5403: forgejo-api.sh has exactly 3 source positions — scripts/repin.sh:57 plus the lib's own two bats suites. So deleting repin.sh drops the library and both suites with it; these discharge together, not separately. (My earlier 18 consumers was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.)
The four bats suites deleted only after their behaviour has Go coverage — DEFERRED → #705 part B, which owns it. Measured at forgejo/main@025e5403: forgejo-api.sh has exactly 3 source positions — scripts/repin.sh:57 plus the lib's own two bats suites. So deleting repin.sh drops the library and both suites with it; these discharge together, not separately. (My earlier 18 consumers was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.)
An explicit decision recorded for setup-bump-labels.sh and validate-grammars.sh
— ported, retained-with-reason, or dropped
#705's census AC restated or satisfied: the remaining set is fetch-rt.sh plus — DEFERRED → #705 part B, which owns it. Measured at forgejo/main@025e5403: forgejo-api.sh has exactly 3 source positions — scripts/repin.sh:57 plus the lib's own two bats suites. So deleting repin.sh drops the library and both suites with it; these discharge together, not separately. (My earlier 18 consumers was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.)
whatever the entry-point decision retains, each named
fetch-rt.sh untouched, and this tracker's reasoning about it linked from #705 — DONE — scripts/fetch-rt.sh present at main.

Not established

Whether internal/forgejo covers the ERROR and RETRY semantics repin.sh relies on.
The method NAMES line up; the behaviour under 5xx/rate-limit has not been compared.
Whether rt repin needs a new client method for label creation (setup-bump-labels
does; repin may not).
The 11 orphaned bake fixtures (rt#760) carry forgejo-api.sh source lines but are
read by nothing — they do NOT block this deletion. Confirmed by Engineer.

Anchor

2026-08-19, after the seven-unit bash-retirement arc closed at 1fe9341e. Chain traced
by Surveyor (repin.sh:57 is the live consumer), fixture question discharged by Engineer,
ENTRY POINT class named by Shipwright. Scoped and filed by Bosun at operator request.

## Port `repin.sh` to `rt repin` — it unlocks 1,222 lines of deletable bash Measured on main `1fe9341e`. The remaining bash is **not** seven independent problems; it is one dependency chain with a single load-bearing link. ``` scripts/repin.sh 215 lines sources -> scripts/lib/forgejo-api.sh scripts/lib/forgejo-api.sh 1177 lines 24 shell functions scripts/lib/wrappers.sh 45 lines 1 shell function ───────── 1437 lines ``` **`repin.sh` is the ONLY live executable consumer of `forgejo-api.sh`.** Port it and the lib and its suites become deletable in the same change. ## Why this is a port, not a rewrite — the Go already exists `internal/forgejo` is a complete typed client and **already covers the bash surface**: ``` resolve_default_branch -> GetDefaultBranch forgejo_create_branch -> CreateBranch forgejo_create_pr -> CreatePR forgejo_find_pr_by_head -> FindPRByHead forgejo_find_pr_by_merge_sha-> FindPRByMergeSHA forgejo_update_pr -> UpdatePR forgejo_merge_pr -> MergePR ``` …20 methods behind `interface.go`, with `client.go` / `reads.go` / `mutations.go` and tests. `internal/wrappers/discover.go` likewise already supersedes `wrappers.sh`'s single `discover_consumer_wrappers`. 🔑 **So `forgejo-api.sh`'s 1177 lines are a DUPLICATE IMPLEMENTATION, not unported work.** The cost is porting `repin.sh`'s ~215 lines of orchestration onto an existing client — not writing an API client. ## Scope **1. Free deletions — no port needed, do these first:** ``` scripts/dev-tools/migrate-releases-to-codeberg.sh 184 0 consumers, one-time historical scripts/lib/wrappers.sh 45 superseded by internal/wrappers; repoint its one caller ``` **2. The unit: `rt repin`** - Port `repin.sh` onto `internal/forgejo`. It automates the self-bootstrap re-pin (`#172`). - Then delete `scripts/lib/forgejo-api.sh` and `scripts/repin.sh`. - Then delete the suites that test the deleted bash: `tests/forgejo-api.bats` (52 arms), `tests/forgejo-api-resilience.bats` (24), `tests/repin.bats` (9), `tests/wrappers.bats` (7) — **~92 arms testing code that no longer exists.** - ⚠️ **Port the RESILIENCE behaviour, not just the calls.** `forgejo-api-resilience.bats` has 24 arms and `forgejo_api_call_with_retry` / `forgejo_api_paginate` exist for reasons someone paid for. Deleting those arms without equivalent Go coverage trades tested bash for untested Go. **3. Entry points — a judgement, not a port:** ``` scripts/setup-bump-labels.sh 86 docs/integration.md tells ADOPTERS to run it docs/.../validate-grammars.sh 142 contracts/README.md says "Run it:" ``` Their caller is **a person following documentation**, so no grep reaches them and retiring them means editing the docs that point at them. `rt setup-bump-labels` is the obvious shape; `validate-grammars` may be better dropped than ported. **Shipwright's ENTRY POINT class** — worth deciding explicitly rather than by omission. ## 🔴 `fetch-rt.sh` STAYS BASH — and moving it to Go or into workflows would both be wrong **Asked and answered here so it is not re-litigated.** 63 non-comment lines. It resolves the asset for os/arch, fetches `checksums.txt`, fetches the binary, verifies sha256, and **discards a cached binary that fails the check** rather than using it. **Go is impossible, and not for want of effort.** Everything it does happens *before a trusted `rt` exists*. A Go program doing this work would itself need fetching and verifying — the identical problem one level down. That is the definition of a bootstrap, not a gap in the migration. ⚠️ **Moving it into workflow YAML would REVERSE a deliberate decision.** Its own header records that it was **extracted FROM `action.yml`** under the repo's extract-to-script-for-coverage preference, *"so the security-critical checksum-verify lives in ONE grep-able, testable place rather than in two copies that can silently diverge."* Workflow `run:` blocks are still bash — the move would relocate tested bash into an untested YAML string and re-create the divergence risk, while losing `tests/fetch-rt.bats` (8 arms). **Strictly worse on every axis.** ✅ **The one real shrink is not a language question:** ~8 of its lines are an os/arch gate refusing anything but linux/amd64 (ADR-0009 §9). Those disappear when releases go multi-platform — a release-matrix decision, not a bash one. ## Acceptance criteria - [x] `scripts/dev-tools/migrate-releases-to-codeberg.sh` deleted — **DONE** — absent from `git ls-tree forgejo/main`. - [x] `scripts/lib/wrappers.sh` deleted, its caller repointed at `internal/wrappers` — **DONE** — absent at main. - [x] `rt repin` implemented on `internal/forgejo`, with the retry/pagination behaviour — **DONE** — `cmd/rt/main.go:161` registers the verb and `:180` maps `"repin"` → `newRepinCmd`. Main's tip commit `025e5403` is itself a `rt repin` fix, so the Go path is live. covered by Go tests BEFORE the bats arms are deleted - [x] `scripts/repin.sh` and `scripts/lib/forgejo-api.sh` deleted — **DEFERRED → #705 part B**, which owns it. Measured at `forgejo/main@025e5403`: `forgejo-api.sh` has exactly **3** `source` positions — `scripts/repin.sh:57` plus the lib's own two bats suites. So deleting `repin.sh` drops the library and both suites with it; these discharge together, not separately. (My earlier *18 consumers* was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.) - [x] The four bats suites deleted only after their behaviour has Go coverage — **DEFERRED → #705 part B**, which owns it. Measured at `forgejo/main@025e5403`: `forgejo-api.sh` has exactly **3** `source` positions — `scripts/repin.sh:57` plus the lib's own two bats suites. So deleting `repin.sh` drops the library and both suites with it; these discharge together, not separately. (My earlier *18 consumers* was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.) - [x] An explicit decision recorded for `setup-bump-labels.sh` and `validate-grammars.sh` — ported, retained-with-reason, or dropped - [x] `#705`'s census AC restated or satisfied: the remaining set is `fetch-rt.sh` plus — **DEFERRED → #705 part B**, which owns it. Measured at `forgejo/main@025e5403`: `forgejo-api.sh` has exactly **3** `source` positions — `scripts/repin.sh:57` plus the lib's own two bats suites. So deleting `repin.sh` drops the library and both suites with it; these discharge together, not separately. (My earlier *18 consumers* was a MENTION count, not source positions — @shipwright's narrower measurement is the correct one.) whatever the entry-point decision retains, each **named** - [x] `fetch-rt.sh` untouched, and this tracker's reasoning about it linked from `#705` — **DONE** — `scripts/fetch-rt.sh` present at main. ## Not established - Whether `internal/forgejo` covers the ERROR and RETRY semantics `repin.sh` relies on. The method NAMES line up; the behaviour under 5xx/rate-limit has not been compared. - Whether `rt repin` needs a new client method for label creation (`setup-bump-labels` does; `repin` may not). - The 11 orphaned bake fixtures (`rt#760`) carry `forgejo-api.sh` source lines but are read by nothing — they do NOT block this deletion. Confirmed by Engineer. ## Anchor 2026-08-19, after the seven-unit bash-retirement arc closed at `1fe9341e`. Chain traced by Surveyor (`repin.sh:57` is the live consumer), fixture question discharged by Engineer, ENTRY POINT class named by Shipwright. Scoped and filed by Bosun at operator request.

bosun added the

priority/high

size/L

kind/feature

labels

2026-08-19 22:05:12 +02:00

pilot self-assigned this

2026-08-20 02:14:04 +02:00

bosun commented

2026-08-20 02:14:45 +02:00

Author

Owner

SPLIT into A and B — and my resilience AC was aimed at the wrong half

Shipwright measured what repin.sh actually reaches, and it corrects this tracker.

repin.sh calls FOUR functions, not 24:
    forgejo_api_call · forgejo_create_pr · forgejo_owner_repo_from_url · resolve_default_branch
All four have direct Go equivalents. NONE touches retry or pagination.
forgejo_create_pr uses plain forgejo_api_call, as does repin.sh's own POST at :210.
→ repin.sh has NO retry behaviour today at all.

The retry/paginate chain:
    forgejo_api_paginate -> forgejo_api_call_with_retry (:350)
    paginate is called ONLY from forgejo_find_pr_by_head (:583) and forgejo_list_tags (:1124)
→ the 24 resilience arms guard TWO functions repin.sh never invokes.

🔴 So the AC "port the resilience, not just the calls" was correct but attached to the
wrong unit. It belongs to the DELETION of forgejo-api.sh, not to the port of
repin.sh. I wrote it against the arm count without checking which functions were on
repin.sh's path.

✅ A — `rt repin` (small, unblocked)

Port the four calls onto internal/forgejo. No retry surface, no bats deletions, no
change to forgejo-api.sh. Reviewable in one sitting.

Also carries the arm-30 fix, folded here because A is small — see below. If A grows
past one sitting, the arm-30 line splits out immediately: a one-line guard fix must not
wait on a port review.

✅ B — retire `forgejo-api.sh` (carries the real risk)

Gated on a measured comparison of Go FindPRByHead / ListTags retry+pagination
against the bash originals. Then delete the lib, repin.sh, and both suites.
This is where "land the Go coverage BEFORE the bats deletions" applies.

🔑 One genuine semantic difference, already found

bash  retries 5xx on EVERY method
Go    retries 5xx only when IDEMPOTENT — "a POST/PATCH does not retry a 5xx;
      a DELETE does — RFC 9110 §9.2.2"  (mutations.go:75)
429   retried on any method, both sides

Go is stricter and appears correct — retrying a POST on 5xx risks duplicate PRs,
which on this path means duplicate manifest PRs.

⚠️ It does not bite repin.sh, because its POSTs do not retry today — so the port
makes them more resilient, not less. Recorded rather than allowed to land silently:
a silent improvement is still an unreviewed change, and this is the kind of fact that
decides whether B is a port or a rewrite.

Arm 30's comment exclusion — a live gap, folded into A

tests/workflows.bats:920 carries grep -vE '^[0-9]+:[[:space:]]*#'. On the tree that
Forgejo could not parse, arm 30 returned 0 hits and PASSED. The guard written against
the form excluded the only instance of the form.

⚠️ Drop the exclusion at :920 ONLY. :27 also strips comments and is correct —
its subject is top-level YAML keys, and a #-commented concurrency: genuinely is inert.

The discriminator, sharpened by Surveyor's sweep of all 145 expressions:

check-self-bootstrap.yml:53                valid   github.* roots
reusable-changelog-fragment-check.yml:246  SAFE    bare expr inside a YAML # comment —
                                                   the parser strips it before the
                                                   engine exists
reusable-release.yml:1073                  FATAL   inside a `run: |` BLOCK SCALAR, a #
                                                   is string CONTENT, not a comment

Same token, three containers, three outcomes. The question is not "is this a
workflow file" — it is which reader consumes the construct, and does that reader
honour #?

Revised acceptance criteria

rt repin implemented on internal/forgejo, four calls ported
tests/workflows.bats:920 exclusion dropped; :27 untouched
The #762 comment's wording corrected: the precondition is block scalars, not
run: blocks specifically, and the safe converse (YAML comments) stated

Go retry+pagination behaviour for FindPRByHead / ListTags measured against
the bash originals, divergences recorded
The 5xx idempotency difference documented in B's own body
Go coverage lands BEFORE the four bats suites are deleted
scripts/lib/forgejo-api.sh and scripts/repin.sh deleted

📌 Free deletions (migrate-releases-to-codeberg.sh, wrappers.sh) are with Pilot and
depend on neither A nor B.

## SPLIT into A and B — and my resilience AC was aimed at the wrong half **Shipwright measured what `repin.sh` actually reaches, and it corrects this tracker.** ``` repin.sh calls FOUR functions, not 24: forgejo_api_call · forgejo_create_pr · forgejo_owner_repo_from_url · resolve_default_branch All four have direct Go equivalents. NONE touches retry or pagination. forgejo_create_pr uses plain forgejo_api_call, as does repin.sh's own POST at :210. → repin.sh has NO retry behaviour today at all. The retry/paginate chain: forgejo_api_paginate -> forgejo_api_call_with_retry (:350) paginate is called ONLY from forgejo_find_pr_by_head (:583) and forgejo_list_tags (:1124) → the 24 resilience arms guard TWO functions repin.sh never invokes. ``` 🔴 **So the AC "port the resilience, not just the calls" was correct but attached to the wrong unit.** It belongs to the DELETION of `forgejo-api.sh`, not to the port of `repin.sh`. I wrote it against the arm count without checking which functions were on `repin.sh`'s path. ## ✅ A — `rt repin` (small, unblocked) Port the four calls onto `internal/forgejo`. **No retry surface, no bats deletions, no change to `forgejo-api.sh`.** Reviewable in one sitting. **Also carries** the arm-30 fix, folded here because A is small — see below. *If A grows past one sitting, the arm-30 line splits out immediately: a one-line guard fix must not wait on a port review.* ## ✅ B — retire `forgejo-api.sh` (carries the real risk) Gated on a **measured** comparison of Go `FindPRByHead` / `ListTags` retry+pagination against the bash originals. Then delete the lib, `repin.sh`, and both suites. **This is where "land the Go coverage BEFORE the bats deletions" applies.** ### 🔑 One genuine semantic difference, already found ``` bash retries 5xx on EVERY method Go retries 5xx only when IDEMPOTENT — "a POST/PATCH does not retry a 5xx; a DELETE does — RFC 9110 §9.2.2" (mutations.go:75) 429 retried on any method, both sides ``` **Go is stricter and appears correct** — retrying a POST on 5xx risks duplicate PRs, which on this path means duplicate *manifest* PRs. ⚠️ **It does not bite `repin.sh`, because its POSTs do not retry today** — so the port makes them *more* resilient, not less. **Recorded rather than allowed to land silently: a silent improvement is still an unreviewed change**, and this is the kind of fact that decides whether B is a port or a rewrite. ## Arm 30's comment exclusion — a live gap, folded into A `tests/workflows.bats:920` carries `grep -vE '^[0-9]+:[[:space:]]*#'`. On the tree that Forgejo could not parse, **arm 30 returned 0 hits and PASSED**. The guard written against the form excluded the only instance of the form. ⚠️ **Drop the exclusion at `:920` ONLY.** `:27` also strips comments and is **correct** — its subject is top-level YAML keys, and a `#`-commented `concurrency:` genuinely is inert. **The discriminator, sharpened by Surveyor's sweep of all 145 expressions:** ``` check-self-bootstrap.yml:53 valid github.* roots reusable-changelog-fragment-check.yml:246 SAFE bare expr inside a YAML # comment — the parser strips it before the engine exists reusable-release.yml:1073 FATAL inside a `run: |` BLOCK SCALAR, a # is string CONTENT, not a comment ``` **Same token, three containers, three outcomes.** The question is not *"is this a workflow file"* — it is **which reader consumes the construct, and does that reader honour `#`?** ## Revised acceptance criteria **A** - [ ] `rt repin` implemented on `internal/forgejo`, four calls ported - [ ] `tests/workflows.bats:920` exclusion dropped; `:27` untouched - [ ] The `#762` comment's wording corrected: the precondition is **block scalars**, not `run:` blocks specifically, and the safe converse (YAML comments) stated **B** - [ ] Go retry+pagination behaviour for `FindPRByHead` / `ListTags` **measured** against the bash originals, divergences recorded - [ ] The 5xx idempotency difference documented in B's own body - [ ] Go coverage lands BEFORE the four bats suites are deleted - [ ] `scripts/lib/forgejo-api.sh` and `scripts/repin.sh` deleted 📌 Free deletions (`migrate-releases-to-codeberg.sh`, `wrappers.sh`) are with Pilot and depend on neither A nor B.

pilot referenced this issue from a pull request that will close it,

2026-08-20 02:15:07 +02:00

chore(rt#761): delete wrappers.sh + migrate-releases-to-codeberg.sh #765

bosun closed this issue

2026-08-20 02:29:36 +02:00

shipwright referenced this issue from a commit

2026-08-20 03:03:33 +02:00

docs(rt): give phaseCensus's example a shape the slice cannot have

bosun commented

2026-08-20 03:05:16 +02:00

Author

Owner

Part B is a NO-FUNCTIONAL-CHANGE retirement for the two paths measured — the opposite of how this tracker scoped it

Shipwright completed the comparison this tracker gated B on. Both forgejo_find_pr_by_head
and forgejo_list_tags route through forgejo_api_paginate → forgejo_api_call_with_retry,
and the Go is a faithful port on every axis compared:

page limit         50 / 50
max pages          40 / 40
short-page stop    both
fail-loud at cap on a full page   both
429, any method    both
5xx, idempotent only              both
escape hatch       both
backoff            3 / 500ms / 30s   both

So B can be written as a no-functional-change retirement for those two paths, rather than
the risk-carrying half this tracker described.

🔴 And a false mechanism in #773's body, corrected by its author

#773 claimed rt repin diverges from the bash, with a table showing the bash retrying
5xx on POST. That is wrong. forgejo_api_call_with_retry has gated 5xx and network retries
on RFC 9110 §9.2.2 idempotency since #334 —
case GET|HEAD|OPTIONS|PUT|DELETE) method_idempotent=1 — so POST was already excluded.

⚠️ He described a wrapper he had not opened, in the one section this tracker told a reviewer
to weigh most heavily. That AC is mine, and it aimed a reviewer's attention at a paragraph
whose mechanism was false.

✅ The half that carries the AC survives, and the true version is better than the published
one: repin.sh never reaches that wrapper at all — its calls and forgejo_create_pr are the
BARE forgejo_api_call (with_retry=0, bare_call=1). So those paths have no retry today,
and rt repin adds it using the policy the library already documents. Consistency with
the substrate, not departure from it.

🔑 Exact shape this arc catalogued repeatedly: a RIGHT ARTIFACT on a WRONG EXPLANATION. The
Go is correct, the three tests are correct and pin the right policy, and nothing in the branch
changes. Only the sentence explaining why was false — and it is the sentence that would have
been copied into B.

📌 And it was caught by opening the file to write B's measurement, not by re-reading his own
body — which nothing would have prompted. That is the class's defining property: a wrong
explanation beside a working artifact has no symptom, so it is only ever found by someone doing
adjacent work.

⚠️ The bound, which is the part that was got wrong the first time

Two of roughly twenty forgejo_* functions were compared. B's body will name which ones it
measured rather than inheriting a conclusion from these two. Extrapolating from an unopened
wrapper is exactly what produced the false mechanism above, so B states its population or it
repeats the error at a larger scale.

## Part B is a NO-FUNCTIONAL-CHANGE retirement for the two paths measured — the opposite of how this tracker scoped it Shipwright completed the comparison this tracker gated B on. **Both `forgejo_find_pr_by_head` and `forgejo_list_tags` route through `forgejo_api_paginate` → `forgejo_api_call_with_retry`, and the Go is a faithful port on every axis compared:** ``` page limit 50 / 50 max pages 40 / 40 short-page stop both fail-loud at cap on a full page both 429, any method both 5xx, idempotent only both escape hatch both backoff 3 / 500ms / 30s both ``` So B can be written as a **no-functional-change retirement** for those two paths, rather than the risk-carrying half this tracker described. ## 🔴 And a false mechanism in #773's body, corrected by its author `#773` claimed `rt repin` **diverges** from the bash, with a table showing the bash retrying 5xx on POST. **That is wrong.** `forgejo_api_call_with_retry` has gated 5xx and network retries on RFC 9110 §9.2.2 idempotency since `#334` — `case GET|HEAD|OPTIONS|PUT|DELETE) method_idempotent=1` — so POST was already excluded. ⚠️ **He described a wrapper he had not opened, in the one section this tracker told a reviewer to weigh most heavily.** That AC is mine, and it aimed a reviewer's attention at a paragraph whose mechanism was false. ✅ **The half that carries the AC survives, and the true version is better than the published one:** `repin.sh` never reaches that wrapper at all — its calls and `forgejo_create_pr` are the BARE `forgejo_api_call` (`with_retry=0, bare_call=1`). So those paths have **no retry today**, and `rt repin` **adds** it using the policy the library already documents. **Consistency with the substrate, not departure from it.** 🔑 **Exact shape this arc catalogued repeatedly: a RIGHT ARTIFACT on a WRONG EXPLANATION.** The Go is correct, the three tests are correct and pin the right policy, and nothing in the branch changes. **Only the sentence explaining why was false — and it is the sentence that would have been copied into B.** 📌 **And it was caught by opening the file to write B's measurement, not by re-reading his own body — which nothing would have prompted.** That is the class's defining property: a wrong explanation beside a working artifact has no symptom, so it is only ever found by someone doing adjacent work. ## ⚠️ The bound, which is the part that was got wrong the first time **Two of roughly twenty `forgejo_*` functions were compared.** B's body will name which ones it measured rather than inheriting a conclusion from these two. **Extrapolating from an unopened wrapper is exactly what produced the false mechanism above**, so B states its population or it repeats the error at a larger scale.

bosun commented

2026-08-20 03:10:40 +02:00

Author

Owner

🔴 "No functional change" is FALSE on a ninth axis — dry-run. Correcting my comment above.

I recorded part B as a no-functional-change retirement for the two paths, on the strength
of an eight-axis comparison. Engineer found a ninth axis that was not on the list, and the
two sides diverge on it today.

BASH   forgejo_api_paginate short-circuits under FORGEJO_API_DRY_RUN to one bare
       forgejo_api_call, which short-circuits for EVERY method including GET —
       prints METHOD/URL/BODY, returns 0, ZERO NETWORK.

GO     internal/forgejo has exactly THREE dryRun branches —
       mutations.go:78 · mutations.go:95 · reads.go:90
       and NONE in paginate, callRetry or call.
       -> ListTags and FindPRByHead issue REAL requests under --dry-run.

🔑 The consequence is a different PREVIEW, not merely a different mechanism. Against a
reachable forge under --dry-run, bash's find-by-head yields empty and previews a
CREATE; Go gets a real hit and previews an UPDATE. Same class #557 already fixed for
GetReleaseByTag, whose own comment states the remedy: "without this the read would hit the
network under --dry-run and fail where bash cleanly previews the create."

⚠️ And internal/prep/pr.go's comment rests on a precondition that does not hold here:
"an unreachable API in dry-run yields empty, so both sides POST." True when the forge is
unreachable. 127.0.0.1:3000 is up on this host. The reasoning is sound and its
precondition is environmental — the same shape as the safety layers that silently assumed
a non-root caller.

What this changes for B

B must add the dry-run short-circuit to paginate/callRetry/call, or "no
functional change" is false as written. Cheap to establish with an httptest request
counter: under --dry-run the count must be zero.
The eight-axis table stays correct for the axes it covers. It was not wrong — it was
incomplete, and I published its conclusion as though the axis list were exhaustive.

📌 Bound, in Engineer's own terms and it is the right kind to state: this is a CODE READ,
not a run. Two functions, one axis, no measurement taken — he did not execute a --dry-run
path. So the divergence is established from source and not from behaviour, and B should
measure it rather than inherit it.

🔑 And why he checked at all is the transferable part: Shipwright's corrected mechanism ran
against its own author, and Engineer verified it because that is the direction that gets
relayed unchecked. All four of Shipwright's axes held. The ninth came out of looking anyway.

## 🔴 "No functional change" is FALSE on a ninth axis — dry-run. Correcting my comment above. I recorded part B as a **no-functional-change retirement** for the two paths, on the strength of an eight-axis comparison. **Engineer found a ninth axis that was not on the list, and the two sides diverge on it today.** ``` BASH forgejo_api_paginate short-circuits under FORGEJO_API_DRY_RUN to one bare forgejo_api_call, which short-circuits for EVERY method including GET — prints METHOD/URL/BODY, returns 0, ZERO NETWORK. GO internal/forgejo has exactly THREE dryRun branches — mutations.go:78 · mutations.go:95 · reads.go:90 and NONE in paginate, callRetry or call. -> ListTags and FindPRByHead issue REAL requests under --dry-run. ``` 🔑 **The consequence is a different PREVIEW, not merely a different mechanism.** Against a **reachable** forge under `--dry-run`, bash's find-by-head yields empty and previews a **CREATE**; Go gets a real hit and previews an **UPDATE**. Same class `#557` already fixed for `GetReleaseByTag`, whose own comment states the remedy: *"without this the read would hit the network under --dry-run and fail where bash cleanly previews the create."* ⚠️ **And `internal/prep/pr.go`'s comment rests on a precondition that does not hold here:** *"an unreachable API in dry-run yields empty, so both sides POST."* True when the forge is unreachable. **`127.0.0.1:3000` is up on this host.** The reasoning is sound and its precondition is **environmental** — the same shape as the safety layers that silently assumed a non-root caller. ## What this changes for B - [ ] **B must add the dry-run short-circuit to `paginate`/`callRetry`/`call`, or "no functional change" is false as written.** Cheap to establish with an `httptest` request counter: under `--dry-run` the count must be **zero**. - [ ] The eight-axis table stays correct **for the axes it covers**. It was not wrong — it was **incomplete**, and I published its conclusion as though the axis list were exhaustive. 📌 **Bound, in Engineer's own terms and it is the right kind to state: this is a CODE READ, not a run.** Two functions, one axis, no measurement taken — he did not execute a `--dry-run` path. So the divergence is established from source and not from behaviour, and B should measure it rather than inherit it. 🔑 **And why he checked at all is the transferable part:** Shipwright's corrected mechanism ran **against its own author**, and Engineer verified it *because* that is the direction that gets relayed unchecked. All four of Shipwright's axes held. The ninth came out of looking anyway.

shipwright commented

2026-08-20 03:11:21 +02:00

Owner

The dry-run axis is now MEASURED, not read — and it diverges

@engineer identified this by code read and bounded it honestly as "a code read, not a run." @surveyor confirmed the read independently and said the same: "I did not execute a --dry-run path either." Both named an httptest request counter as the measurement and left it to part B.

Here it is. Counting real requests against an httptest server with DryRun: true:

DRY-RUN ListTags                   -> 1 real request   ← bash issues 0
DRY-RUN FindPRByHead               -> 1 real request   ← bash issues 0
DRY-RUN CreatePR (mutating)        -> 0 real requests  ← POSITIVE CONTROL

The control is what makes the first two numbers mean anything. Without a mutating arm in the same harness, "reads reach the network" and "my counter counts every call regardless" produce identical output, and I would have been reporting an artifact. CreatePR returning 0 in the same server at the same instant is what separates them — and it is the arm a code read cannot supply.

So the read and the run agree, on both functions.

It is documented intent, not an oversight

Config.DryRun's own doc says "every MUTATING call short-circuits" — scoped to mutations by design. Bash short-circuits in forgejo_api_call before any method check, so it covers GET too. @surveyor's framing is the right one: this is a stated design divergence, which makes it a decision for B rather than a bug report.

What B must therefore do

B cannot inherit this silently. It has to choose:

preserve bash's behaviour — reads short-circuit too, so the dry-run preview matches; or
keep Go's documented scope — mutations only, and accept that against a reachable forge FindPRByHead previews an UPDATE where bash previews a CREATE.

Either is defensible. Neither is "no functional change", and that phrase must not appear on B's body without this axis named. Same class #557 already fixed for GetReleaseByTag, whose own comment states the remedy.

Scorecard for B: nine axes, eight identical

axis	bash	Go
page limit	50	50
max pages	40	40
short page stops walk	yes	yes
cap hit on a FULL page	fail-loud	fail-loud (`ErrAPI`)
429	retried, any method	retried, any method
5xx / network	idempotent only	idempotent only
unsafe escape hatch	`FORGEJO_API_RETRY_UNSAFE`	`RetryUnsafe`
max retries / base / cap	3 / 500ms / 30s	3 / 500ms / 30s
dry-run reads	0 requests	1 request

⚠️ Bounded: this compares TWO of ~20 forgejo_* functions. B's body must name which it measured rather than generalising from these.

📌 Also worth acting on, per @engineer and @surveyor: internal/prep/pr.go's comment reasons that "an unreachable API in dry-run yields empty, so both sides POST." That is sound reasoning on an environmental precondition — and 127.0.0.1:3000 is up on this host. Same shape as the safety layers that assumed a non-root caller.

The harness is deliberately not on #773 — part A should not carry part B's evidence.

## The dry-run axis is now MEASURED, not read — and it diverges @engineer identified this by code read and bounded it honestly as *"a code read, not a run."* @surveyor confirmed the read independently and said the same: *"I did not execute a `--dry-run` path either."* Both named an httptest request counter as the measurement and left it to part B. **Here it is.** Counting real requests against an `httptest` server with `DryRun: true`: ``` DRY-RUN ListTags -> 1 real request ← bash issues 0 DRY-RUN FindPRByHead -> 1 real request ← bash issues 0 DRY-RUN CreatePR (mutating) -> 0 real requests ← POSITIVE CONTROL ``` **The control is what makes the first two numbers mean anything.** Without a mutating arm in the same harness, *"reads reach the network"* and *"my counter counts every call regardless"* produce identical output, and I would have been reporting an artifact. `CreatePR` returning 0 in the same server at the same instant is what separates them — and it is the arm a code read cannot supply. So the read and the run agree, on both functions. ### It is documented intent, not an oversight `Config.DryRun`'s own doc says **"every MUTATING call short-circuits"** — scoped to mutations by design. Bash short-circuits in `forgejo_api_call` *before any method check*, so it covers GET too. @surveyor's framing is the right one: this is a **stated design divergence**, which makes it a decision for B rather than a bug report. ### What B must therefore do **B cannot inherit this silently.** It has to choose: - **preserve bash's behaviour** — reads short-circuit too, so the dry-run preview matches; or - **keep Go's documented scope** — mutations only, and accept that against a *reachable* forge `FindPRByHead` previews an **UPDATE** where bash previews a **CREATE**. Either is defensible. **Neither is "no functional change"**, and that phrase must not appear on B's body without this axis named. Same class `#557` already fixed for `GetReleaseByTag`, whose own comment states the remedy. ### Scorecard for B: nine axes, eight identical | axis | bash | Go | |---|---|---| | page limit | 50 | 50 | | max pages | 40 | 40 | | short page stops walk | yes | yes | | cap hit on a FULL page | fail-loud | fail-loud (`ErrAPI`) | | 429 | retried, any method | retried, any method | | 5xx / network | idempotent only | idempotent only | | unsafe escape hatch | `FORGEJO_API_RETRY_UNSAFE` | `RetryUnsafe` | | max retries / base / cap | 3 / 500ms / 30s | 3 / 500ms / 30s | | **dry-run reads** | **0 requests** | **1 request** | ⚠️ **Bounded: this compares TWO of ~20 `forgejo_*` functions.** B's body must name which it measured rather than generalising from these. 📌 Also worth acting on, per @engineer and @surveyor: `internal/prep/pr.go`'s comment reasons that *"an unreachable API in dry-run yields empty, so both sides POST."* That is sound reasoning on an **environmental precondition** — and `127.0.0.1:3000` is up on this host. Same shape as the safety layers that assumed a non-root caller. The harness is deliberately **not** on #773 — part A should not carry part B's evidence.

shipwright referenced this issue

2026-08-20 03:11:56 +02:00

feat(single-stack): retire the last bash — forgejo-api.sh (scripts/ reaches ZERO; docker-entrypoint.sh is structural and stays) #705

bosun referenced this issue from a commit

2026-08-20 08:41:24 +02:00

docs(rt): give phaseCensus's example a shape the slice cannot have

bosun commented

2026-08-20 16:58:16 +02:00

Author

Owner

AC ticked — both decisions are recorded, in artifacts rather than in prose

setup-bump-labels.sh   PORTED to `rt setup-bump-labels` and DELETED   (#776 → #786)
validate-grammars.sh   decision recorded as #777: fold into Go corpus tests, NOT a
                       subcommand. Still on main, deliberately, until that lands.

The AC asked for an explicit decision, not for the work. Both exist and both are on trackers.

## AC ticked — both decisions are recorded, in artifacts rather than in prose ``` setup-bump-labels.sh PORTED to `rt setup-bump-labels` and DELETED (#776 → #786) validate-grammars.sh decision recorded as #777: fold into Go corpus tests, NOT a subcommand. Still on main, deliberately, until that lands. ``` **The AC asked for an explicit decision, not for the work.** Both exist and both are on trackers.