[brettheap]

Lane: openreposhape-5 (openRepoShape-5)
Claim: #912 (comment)

Goal

Each pin question is answered from the commit actually pinned, with words that say why, and a pinned product is written so that any YAML reader reads it back as text. This is #912, which groups three lines of #457's release-commit triage: L1-81, L1-82's second case, and L2-14.

One commit, on main 5e539a87. It changes scripts/shape_materialize.py, adopt-project.py and scripts/bump-leg.py, and six test files.

What still held on main, and what had moved

The issue's line numbers are at 5017830. Each claim was measured again by name, on main 6c861635 first and again on 5e539a87:

• L1-81 held. commit_in_clone (scripts/shape_materialize.py:3650 at 6c861635, :3809 at 5e539a87) asks rev-parse -q --verify <id>^{} of an annotated tag. In a clone that holds the tag but not its commit, git answers error: missing object referenced by '<tag>' (git 2.43 and 2.47.1), and the id was refused as is an annotated tag that names no commit. bump-leg.py's peeled_target (:972, now :977) did the same.
• L1-82's second case held. _recomputed_pin_finding (adopt-project.py:872, now :871) asks a recorded commit: what it names only of a recorded clone that is still at its path and is no partial clone. Where the clone is gone or partial, or gh api read the digest, check exits 0 on a tag's id with a NOTE that names only the digest.
• L2-14 held, in a new place. _neutral_pin_entry is no longer adopt-project.py's own. Since scaffold-project.py and adopt-project.py: the two tools spell a neutral_product_pins: entry differently, so 0x1F, 1_000, 1e3, 3dGlass and -x are bare from the scaffold and double-quoted from adopt #924 both tools call shape_materialize.neutral_pin_entry (:524), and it still asked only the project's reader. Its docstring even said that a bare yes, on, .5 or .inf stays bare, naming this issue.
• Main moved under the change while it was being tested. The commit was rebased from 6c861635 onto 5e539a87 with no conflict, and its patch is the same (git patch-id --stable 427e9e35fd2464cb both times):
  • bump-leg.py: the leg's fetch leaves out every refspec of the leg's own that can bring a tag under origin/, and one onto the branches' names from another namespace, by the rule family.py bump asks, now one function both tools import, so a branch and a tag of one name no longer fail it and a tag no longer answers for a branch (#1037) #1068 (6797ca70) changes bump-leg.py's _leg_fetch_refspecs and fetch_leg's docstring, and moves a refspec helper into shape_materialize.py. It does not touch peeled_target, and tag following under refs/tags/, which the new bump row relies on, is unchanged.
  • scripts/shape_materialize.py, family.py and adopt-project.py's check: a manifest the template's own reader makes no mapping of is told it is a defect in the copy of the standard, naming the template file, and manifest_invalid's docstring is true for the holder (#1059) #1064 (5e539a87) changes shape_materialize.py's manifest readers and adopt-project.py's _manifest_findings and one import. It does not touch commit_in_clone, neutral_pin_entry or _pin_digest_findings.
  • Every row and every mutant below was run again on the rebased head, and the new rows were run again on 5e539a87's code.

What changed

L1-81: a tag whose commit the clone lacks is a clone that cannot answer

• commit_in_clone returns (oid, "") where a tag's peel cannot be read (names is None), as it already does for an id the clone does not hold. plan and the scaffold then read the digest there. git ls-tree finds no tree at the id, so they refuse it pin-source-unreadable, whose remediation says to point --pin-source at a clone that HAS the pinned commit, "git fetch --all first". That is what main said before adopt-project.py and scaffold-project.py: a --pin naming an annotated tag's object id is written as the pin's commit:, under the pin file's "A COMMIT, NEVER A TAG" #651. check says plan-pin-source-unreadable.
• peeled_target returns the id as typed there. The reachability verdict answers it, as it answers an id the leg does not hold: bump-leg-commit-not-on-remote, " has no branch containing ", from both runs.
• A tag of a tree or a blob, which the clone can peel, is still pin-not-a-commit or bump-leg-target-not-a-commit by name.

L1-82: check says it did not ask a recorded commit it could not ask

• The forge is not asked. check and execute read no network for a pin (adopt-project.py --pin <name> is accepted by plan, check and execute ("adoption verified"), but writes only the name into neutral_product_pins: and no contracts/<name>-pin.yaml, so the adopted root's own validate-pins.py (and its validate.yml) refuses with neutral-pin-missing from the first run #273's review S3, adopt-project.py check and execute write a neutral pin's commit: and tree_sha256: exactly as the adoption plan records them and read neither again, so a hand edit that makes the two disagree is plan ok and adoption verified, and the adopted root's own validate-pins.py then exits 1 with neutral-pin-digest-mismatch on its first run #449), execute --local-remote-dir needs no gh, and the rows that hold that (gh never run) stay. In a partial clone, git would fetch an id it lacks from the promisor remote.
• So the NOTE says it, in the words the issue's second option asks for. It was:
  NOTE <entry>: digest NOT rechecked here: <why>. The root's own validate-pins.py recomputes it wherever it can read the product.
  It is now:
  NOTE <entry>: digest NOT rechecked here, nor its commit:asked whether it names a commit: <why>. The root's ownvalidate-pins.pyrecomputes the digest wherever it can read the product;plan asks what the commit names where it reads the digest.
• <why> is unchanged for each of the four cases: gone, partial, gh api, and a digest_source: that names no clone. No refusal code changes, so AGENTS.md's table is unchanged. README, docs/ and the handbook quote neither sentence.

L2-14: a product YAML 1.1 or 1.2 reads as no text is double-quoted

• New shape_materialize.YAML_NOT_TEXT_RE. Of the plain scalars PLAIN_SCALAR_RE takes, which begin with a letter, _ or ., it matches the ones YAML 1.1 or YAML 1.2's core schema resolves to a bool, a null or a float:
  • YAML 1.1's bools y, n, yes, no, on and off, and both versions' true and false, in their three cases;
  • null in its three cases;
  • .inf and .nan in their three cases;
  • a point before digits, as YAML 1.1's pattern is written (\.[0-9.]* with a signed exponent, so ., .. and .5.5 too);
  • and as its own example 685.230_15e+03 and its readers read it, with _ among the digits (PyYAML takes .5_ for 0.5, ruamel.yaml takes ._ for a float), with YAML 1.2's unsigned exponent .5e3.
• Nothing else either version resolves to no text is a plain scalar PLAIN_SCALAR_RE takes: ~, the empty null, <<, =, and ints, timestamps and floats that begin with a digit or a sign.
• neutral_pin_entry writes a name bare only where it is a plain scalar, the new rule does not match it, and the project's reader reads it back. So both tools double-quote these names. Every other name is the line it was, openGlass byte for byte.
• The plan's product:, which y writes and only this tool reads, is unchanged. The pin file's product: was always double-quoted.

Probes, before and after

The probe is probe912.py (not committed). It runs with a stub gh that exits 97 first on PATH, a bogus token, an empty GH_CONFIG_DIR, GIT_CONFIG_GLOBAL=/dev/null and GIT_SSH_COMMAND=false. The lacking clone holds the tags v1 and v1-again but not their commit.

Case	main 6c861635 and 5e539a87	This head
commit_in_clone(lacking, <tag>)	(<tag>, 'is an annotated tag that names no commit')	(<tag>, '')
peeled_target(lacking, <tag>)	REFUSED bump-leg-target-not-a-commit: --to <tag> is an annotated tag that names no commit in the leg	returns <tag>
scaffold --dry-run and plan, --pin openGlass@<tag> --pin-source lacking	exit 2 REFUSED pin-not-a-commit: ... is an annotated tag that names no commit in the clone at <lacking>, not a commit	exit 2 REFUSED pin-source-unreadable: <lacking> could not answer for opensoft/openGlass @ <tag>: ... exited 128: fatal: not a tree object, remediation "git fetch --all first"
check, recorded clone lacking	exit 1 FINDING plan-pin-not-a-commit: ... which is an annotated tag that names no commit	exit 1 FINDING plan-pin-source-unreadable: ... cannot answer for it
check, a tag's id, clone whole (control)	exit 1 plan-pin-not-a-commit, "an annotated tag of commit "	the same
check, a tag's id, clone partial / gone / gh api / none named	exit 0, NOTE names only the digest	exit 0, the NOTE above; gh never ran
names --pin admits of up to three characters (278915)	231714 written bare; PyYAML misreads 132 of them, ruamel.yaml 0.19 (YAML 1.2) 132	231543 bare; 0 misread by either

#457 counted 138 at 3dd806f. On 6c861635, PyYAML misread yes, no, on and off in three cases each, .0 to .99, and .0_ to .9_. ruamel.yaml misread the dot forms, ._, ._0 to ._9 and .__, and its YAML 1.1 mode also reads y and n as bools.

Found while testing. git 2.43's fetch follows a remote tag whose object is already in the store, and brings the tag's commit with it. Its tag-following check counts the tag object itself, not only the commit. So in bump-leg.py a tag that the leg holds without its commit is a tag the leg's remote does not advertise, or one met after a fetch that failed. The bump row uses a tag that was never pushed.

Rows

New rows, in each file's style and with its helpers:

• tests/test_pin_annotated_tag.py:
  • a lacking fixture (git hash-object -t tag -w of the tags' bytes);
  • commit_in_clone answers (id, "") (2 rows);
  • plan and the scaffold's --dry-run refuse pin-source-unreadable with no "annotated tag" in the output (4);
  • check finds plan-pin-source-unreadable and execute refuses before any leg (1);
  • the NOTE for a tag's id, clone gone, partial or gh api, with gh never run (3).
• tests/test_bump_leg_dry_run_truth.py: a tag the leg holds without its commit is bump-leg-commit-not-on-remote in both runs, with nothing written, through --local-remote-dir and origin (2).
• tests/test_neutral_pin_entry_one_spelling.py:
  • each of 25 YAML 1.1 and 1.2 words and 20 dot floats is double-quoted and reads back (45);
  • the same 45, with the project's reader stubbed to read everything back, are double-quoted by the rule alone (45);
  • 20 look-alikes (openGlass, openYes, yEs, .e5, ._. ...) stay bare (20);
  • the whole enumeration, read by PyYAML, ruamel.yaml 1.2 and ruamel.yaml 1.1 where they are installed (1; skipped without either reader, so CI holds the rule by the rows above).
• Changed rows, whose old expectation was the bug:
  • SPELLED["yes"], and the entry-equals-adopt's-old-spelling row, which now expects exactly ., .., .0, .9, ._ and yes to differ;
  • .5, .inf, yes and off move out of the bare groups in test_scaffold_pin_and_reuse.py and test_adopt_pins.py into STOCK_MISREAD;
  • the NOT-rechecked constants in test_adopt_pins.py, and one line in test_pin_source_top_level.py.

No assert joins conditions with and or or.

The rows fail on main. The six test files were run on main's code, the scripts as on main with the new tests beside them:

• on 6c861635: 96 failed, 98 passed, and 16 failed, 232 passed;
• on 5e539a87: 112 failed, 330 passed.

Every failure is a new or changed row:

• spelling 85;
• tag file 10;
• top-level partial-clone NOTE 1;
• test_adopt_pins.py 10;
• bump 2;
• scaffold entry 4.

Mutants

Each mutant was applied alone to a scratch clone of the head and its rows were run. The results were the same on 6c861635 and on the rebased head.

Mutant	Result
M1 commit_in_clone without the names is None return	killed, 3 failed
M2 peeled_target without it	killed, 2 failed
M3 if not peeled in place of if names is None	survives: equivalent. The two differ only where rev-parse <id>^{} prints an id and cat-file -t of that id fails, and rev-parse parsed that object to print it.
M4 the NOTE's old words	killed, 3 failed
M5 neutral_pin_entry without the rule	killed, 85 failed
M6 rule without y/n	killed, 9
M7 without yes/no/on/off	killed, 28
M8 without true/false/null	killed, 9 (the reader-stubbed rows)
M9 without .inf/.nan	killed, 12
M10 without YAML 1.1's pattern as written	killed, 9
M11 without the _-digits pattern	killed, 14
M12 that pattern's exponent signed only	killed, 4
M13 no end anchor	killed, 15

Runs

All runs go through lane 5's run9.sh: a stub gh first on PATH, a bogus token, every LANES_* variable cleared, EMAIL=service@opensoft.dev, GIT_SSH_COMMAND=false, GIT_CONFIG_GLOBAL=/dev/null, and one basetemp per run.

• The six test files on the head d5389eb6a71e:
  • git 2.43: 442 passed;
  • git 2.47.1 (first on PATH): 442 passed.
  • They also passed on 6c861635 before the rebase: 442 on 2.47.1, and on 2.43 in groups of 115, 31, 24, 149 and 123.
• git 2.43, every other test file that runs a changed script. These are the files that name adopt-project, ADOPT, shape_materialize, bump-leg or BUMP, plus test_shape_doctor.py, test_scaffold_leg_path_collisions.py and the trio (test_repo_hygiene.py, test_agents_md_codes.py, test_cli_reference.py), less the six. That is 177 test files in two shards, 179 paths with tests/conftest.py and tests/gh_guard.py:
  • shard a, 88 files: 6371 passed, 33 skipped (END 2026-10-20T23:52:07Z rc=0);
  • shard b, 91 files: 6296 passed, 3 skipped (END 2026-10-20T23:51:58Z rc=0).

Merge-trees

git merge-tree --write-tree of the head against origin/main and against each open PR that touches a file this changes. Each merge is clean, and no PR's added lines quote the changed words or name the changed functions:

Against	Head	Result
origin/main	5e539a878fc9	clean, tree 95f9b53262fc (the head's own tree)
#1073 l3-914-adopt-record-and-doctor	b58a4e2ccae0	clean, 70f85d401ede
#1072 l3-918-source-and-locale	2ffd82356c7b	clean, 2e341d250ea1
#1071 l3-916-adopt-test-strength	24273dd47e42	clean, 0d183517f958
#1070 fix/979-named-link-one-finding	20d2d4ba67f6	clean, a5beb7be1408
#1031 fix/910-check-throwaway-repos	74c17705edc2	clean, 324855e1983d
#1081 fix/1060-pin-lane-in-process	7d4f2d82df4b	clean, fc9fe407b03b (it touches none of these files)

Main moved after the runs above, which were made on 5e539a87: #1071 (bccae280), #1076 (c13c3985), #1081 (06cbd478) and #1072 (1e7971cd) have landed. #1071 and #1072 touch two of this change's files, tests/test_adopt_pins.py and adopt-project.py. The head merges clean with origin/main 1e7971cd (tree ffb8249e, from git merge-tree --write-tree), and the landing gates the predicted squash tree over the main of the day.

#1068 and #1064 have landed and are under this commit. fix/904-kept-links was not on origin when this was pushed; it is now #1091, open at 8f5fd0fd, and merges with this head clean (tree 0153f3e7e3c9, measured by rv1090). #1062 touches none of these files.

Review

• rv1090, lane 5's independent reviewer, who wrote none of this: READY at d5389eb6 (issuecomment-6316009648), with no MUST.
• Its SHOULD is a missing row: no row has an exponent of two or more digits, and the head quotes those names correctly.
• Its two code NITs: the no-origin bump refusal for a tag the leg holds, and an else nothing reaches. With the SHOULD, they are filed as shape_materialize.py and bump-leg.py: a row holds YAML_NOT_TEXT_RE's exponents of two or more digits, the no-origin refusal for a tag the leg holds is true, and an else nothing reaches is gone (#1090's review follow-ups) #1103, to land after the v1.2.0 tag.
• Its body NITs are fixed above: 177 test files, one Claim: line, and adopt-project.py: check names what the clone's .git holds as git keeps refs, and asks a pin's file through the links the root keeps, so a link into .git or onto a pin's file is refused before any leg or adopted with the copy beside it (#904) #1091's state.

Closes #912

🤖 Generated with Claude Code

Summary by Sourcery

Make pin validation accurately distinguish unavailable tag data and preserve pinned product names across standard YAML readers.

New Features:

• Ensure annotated tags whose target commits are unavailable are treated as unreadable pin sources rather than as non-commits.
• Quote pinned product names that YAML 1.1 or 1.2 would interpret as booleans, nulls, or floats.
• Report when check cannot ask a recorded commit what it names, alongside the existing digest recheck note.

Bug Fixes:

• Correct pin and bump diagnostics for tags held without their referenced commits.
• Prevent standard YAML readers from changing pinned product names when reading manifests.

Tests:

• Add coverage for unavailable annotated-tag targets, unverifiable recorded pins, YAML-sensitive names, and bump behavior.

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Reviewer's Guide

The PR aligns pin answers with what the local clone can actually determine, clarifies when check could not query a recorded commit, and makes shared manifest generation quote names that standard YAML 1.1/1.2 readers would otherwise deserialize as booleans, nulls, or floats, with comprehensive regression and mutation coverage.

Sequence diagram for unreadable annotated pin handling

sequenceDiagram
    participant User
    participant Plan as plan_or_check
    participant Clone
    participant Git

    User->>Plan: commit_in_clone(clone, oid)
    Plan->>Git: cat-file -t oid
    Git-->>Plan: tag
    Plan->>Git: rev-parse oid^{}
    Git-->>Plan: peel unavailable
    Plan-->>Plan: return oid, empty_reason
    Plan->>Clone: read pin source tree
    Clone-->>Plan: pin-source-unreadable
    Plan-->>User: refuse and recommend git fetch --all first

Loading

Sequence diagram for check when commit verification is unavailable

sequenceDiagram
    participant User
    participant Check
    participant Clone
    participant Validate as validate_pins.py

    User->>Check: check recorded pin
    Check->>Clone: recompute digest and ask commit
    Clone-->>Check: unavailable: gone, partial, or no named clone
    Check-->>User: NOTE digest and commit not rechecked
    Check-->>User: exit successfully
    User->>Validate: recompute pin where product is readable
    Validate-->>User: report digest result

Loading

Flow diagram for YAML-safe neutral pin serialization

flowchart LR
    A["neutral_pin_entry(product)"] --> B{PLAIN_SCALAR_RE matches}
    B -- no --> D["double_quoted(product)"]
    B -- yes --> C{YAML_NOT_TEXT_RE matches}
    C -- yes --> D
    C -- no --> E{project reader reads back text}
    E -- no --> D
    E -- yes --> F[write product bare]

Loading

File-Level Changes

Change	Details	Files
Treat annotated tags whose target commit is unavailable as unanswered pin sources rather than invalid commits.	Return the original tag ID when peeling cannot determine its target. Surface pin-source-unreadable with fetch remediation in planning, scaffolding, and check. Pass unavailable tag targets through bump-leg reachability checks as commit-not-on-remote.	scripts/shape_materialize.py scripts/bump-leg.py tests/test_pin_annotated_tag.py tests/test_bump_leg_dry_run_truth.py
Make check notes explicitly distinguish an unverified digest from a commit that could not be queried.	Update the note wording and follow-up guidance for gone, partial, forge-read, and unnamed digest sources. Preserve the no-network behavior and existing finding/refusal codes.	adopt-project.py tests/test_adopt_pins.py tests/test_pin_annotated_tag.py tests/test_pin_source_top_level.py
Quote pin names that YAML 1.1 or 1.2 core schemas resolve as non-text values.	Add a shared YAML_NOT_TEXT_RE covering boolean, null, infinity/NaN, and dot-float spellings. Require neutral pin entries to be double-quoted for those spellings while preserving bare output for safe names. Expand coverage across project-reader stubs, PyYAML, ruamel.yaml 1.1/1.2, look-alikes, and scaffold/adopt behavior.	scripts/shape_materialize.py tests/test_neutral_pin_entry_one_spelling.py tests/test_adopt_pins.py tests/test_scaffold_pin_and_reuse.py

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#912	Treat an annotated tag whose target commit is missing from the clone as something the clone cannot answer for, rather than incorrectly reporting that the tag names no commit.	✅
#912	When check cannot ask a recorded commit: what it names because the relevant clone is unavailable or partial, or the digest came from gh api, make clear that the commit was not asked; the issue permits this in a NOTE instead of querying the forge.	✅
#912	Quote pinned-product names that YAML 1.1 or YAML 1.2 resolves as a boolean, null, or float, so other YAML readers read the names back as text.	✅

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[brettheap]

(lane openRepoShape-5, 2026-10-20T23:54Z) @codex review

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-20T23:59:01.376450Z	d5389eb	Manual request

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Codex Review: Didn't find any major issues. Swish!

Reviewed commit: d5389eb6a7

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[brettheap]

Independent review of #1090 (#912) at d5389eb6, for lane openRepoShape-5: READY

There is one SHOULD. It is a missing test row, not a bug in the code that ships: on every name I measured, the head quotes correctly. Lane 5 can land #1090 as it is and file the row as a follow-up after the v1.2.0 tag.

Findings

SHOULD (missing test row): no row has an exponent of two or more digits.

• Where: YAML_NOT_TEXT_RE at scripts/shape_materialize.py:542-543, and YAML_FLOATS at tests/test_neutral_pin_entry_one_spelling.py:92.
• Scenario: change [0-9]+ to [0-9] in both exponent groups of the rule (my mutant R2). All 180 spelling and entry rows still pass. Yet --pin .5e-10@<sha>, .05E-12 and .5_e-10 are then written bare, and PyYAML reads them as 5e-11, 5e-14 and 5e-11. All three names are ones --pin accepts.
• Why no row catches it: every exponent in YAML_FLOATS has one digit, and PIN_NAMES stops at three characters, too short to hold .5e-10.
• The head is right: it double-quotes all three, and PyYAML reads each back as text.
• Fix: add .5e-10, .5E+10, .5_e-10 and .5e10 to YAML_FLOATS.

NIT: one corner where the new bump refusal says something untrue. scripts/bump-leg.py:1263.

• Scenario: the leg has no remote named origin, and --to is a tag id the leg holds without its commit.
• It now says bump-leg-commit-not-on-remote: <tag id> is not in the leg's own object store, but the tag object is in the store.
• Measured by calling _unreachable_refusal(..., fetched=False, has_origin=False) on my lacking clone.
• Before this PR the same case got target-not-a-commit "names no commit", which was also wrong. With origin present, or under --local-remote-dir, the words are true: "has no branch containing <id>".

NIT: dead branch. scripts/bump-leg.py:1037-1038.

• else: what = "is an annotated tag that names no commit" can no longer be reached from peeled_target. For a tag, a missing peel now returns, a commit returns, and a tree or blob takes the elif.
• not_a_commit still needs that wording, because commit_on_forge uses it.

NIT: the PR body.

• "179 files in two shards" counts tests/conftest.py and tests/gh_guard.py, which are in shard b's argument list. 177 are test files.
• The Claim: line appears twice at the top.
• "fix/904-kept-links was not on origin when this was pushed" is out of date: adopt-project.py: check names what the clone's .git holds as git keeps refs, and asks a pin's file through the links the root keeps, so a link into .git or onto a pin's file is refused before any leg or adopted with the copy beside it (#904) #1091 is open at 8f5fd0fd and merges clean.

Checked and true

The head. It reads d5389eb6a71e080673f5fa1b88b750120158fa4f: one commit on 5e539a87, 9 files, tree 95f9b53262fc.

• git patch-id --stable gives 427e9e35fd2464cb for both d5389eb6 and the pre-rebase 4d777df52.
• The body's line numbers are true: commit_in_clone at 3650 (6c861635) and 3809 (5e539a87); peeled_target at 972/977; _recomputed_pin_finding at 872/871; neutral_pin_entry at 524.

L1-81 (my own probe, git 2.43 and 2.47.1, offline).

• The probe used a stub gh that logs its calls: 0 calls.
• I built the lacking clone differently from the writer: pack-objects of the tag objects alone, then unpack-objects into a clone of the first commit only. The writer used hash-object.
• rev-parse <tag>^{} exits 1 there with "missing object referenced by".
• At the head:
  • commit_in_clone(lacking, tag) and the same for a tag of a tag give (id, "");
  • peeled_target returns the id as typed;
  • scaffold --dry-run and plan exit 2 with REFUSED pin-source-unreadable ... exited 128: fatal: not a tree object, the remediation says "git fetch --all first", and no plan is written;
  • check exits 1 with FINDING plan-pin-source-unreadable.
• Controls at the head: a whole clone still gives plan-pin-not-a-commit "an annotated tag of commit <c>", and a tag of a tree still gives "annotated tag of a tree" and bump-leg-target-not-a-commit.
• At base 5e539a87, on both gits, every lacking case says "is an annotated tag that names no commit".

M3 is equivalent, as the writer argues.

• In every lacking case rev-parse prints nothing, so not peeled and names is None agree.
• git's ^{} reads the final object before it prints its id. So a printed id whose cat-file -t then fails would need the object to vanish between the two calls.
• Re-run alone, M3 survives (3 passed).

L1-82.

• The reason for a NOTE rather than a forge query holds in the code. adopt-project.py says "NOTHING ELSE IS ASKED ... execute --local-remote-dir needs no gh", and execute's comment cites "adopt-project.py --pin <name> is accepted by plan, check and execute ("adoption verified"), but writes only the name into neutral_product_pins: and no contracts/<name>-pin.yaml, so the adopted root's own validate-pins.py (and its validate.yml) refuses with neutral-pin-missing from the first run #273's review, S3; adopt-project.py check and execute write a neutral pin's commit: and tree_sha256: exactly as the adoption plan records them and read neither again, so a hand edit that makes the two disagree is plan ok and adoption verified, and the adopted root's own validate-pins.py then exits 1 with neutral-pin-digest-mismatch on its first run #449". A partial clone's git would fetch an id it lacks.
• The new NOTE is true for the gone, partial and gh api cases, and its <why> clauses are unchanged.
• It credits validate-pins.py only with the digest, which is right: that script does not ask what kind of object the commit is.
• README, docs/ and AGENTS.md quote neither sentence.

L2-14 (PyYAML 6.0.3 with libyaml; ruamel.yaml 0.19.1, pure, as YAML 1.2 and as 1.1).

Names measured	Base 5e539a87	Head
Every --pin name up to 3 characters: 278,915	231,714 bare; misread by PyYAML 132, ruamel 1.2 132, ruamel 1.1 148	231,543 bare; misread 0, 0, 0
Every name PLAIN_SCALAR_RE takes up to 3 characters, its full alphabet: 260,874	257,094 bare; misread 132, 132, 148	256,923 bare; misread 0, 0, 0
All 4-character dot names, 300,000 random 4-8 character names and 144 exponent forms: 573,680	not run	520,938 bare; misread 0, 0, 0

• openGlass is byte for byte the same. Of the 278,915 entries exactly 171 change. Each was bare on base, is double_quoted at the head and matches the rule. The other 278,744 are identical.
• YAML 1.1's other forms on PyYAML: 2001-12-14, 1:20, 190:20:30.15, 017, 0o17, 0x1F, 0b101, +12, ~, <<, =, the empty string, +.inf and -.inf. Each is double-quoted, and all three readers read each back as text. None is written bare, as the rule's comment says.
• One side note on the comment: ruamel.yaml 1.2 reads .5e3 as text, but the YAML 1.2 core schema's float pattern matches it, so quoting it is correct.

Runs, all through run9.sh.

Run	git	Result
Head, the six test files	2.43	442 passed
Head, the six test files ($Q/v115/w764/git247/bin/git first on PATH; it printed git version 2.47.1)	2.47.1	442 passed
Head, test_shape_doctor.py, test_scaffold_leg_path_collisions.py and the trio	2.43	719 passed, 3 skipped
Head's six test files on base 5e539a87's code	2.43	112 failed, 330 passed
The six test files on the predicted merge with main 2a119f28 (commit 0b9e78aa)	2.43	443 passed (one row more, from main)

• The 112 failures split by file exactly as the body says: spelling 85, tag file 10, test_adopt_pins.py 10, scaffold 4, bump 2, top-level 1.

Mutants, each applied alone and then restored (sha256 checked).

• The writer's, re-run:
  • M2 killed (2 failed);
  • M4 killed (8 failed, across all the NOT-rechecked rows);
  • M10 killed (9 failed);
  • M3 survives, and is equivalent.
• My own:
  • R1, the rule compiled with re.IGNORECASE: killed (3);
  • R3, \.[0-9_]+ reduced to one character: killed (7);
  • R4, commit_in_clone returning (peeled, ""): killed (3);
  • R6, the NOTE without its plan clause: killed (7);
  • R7, the rule without off: killed (9);
  • R2, one-digit exponents: survives (the SHOULD above);
  • R5, \Z changed to $: survives, but is equivalent, because PLAIN_SCALAR_RE's \Z already refuses a trailing newline.

The writer's shards (logs read, not re-run): shard a 6371 passed, 33 skipped, END 2026-10-20T23:52:07Z rc=0; shard b 6296 passed, 3 skipped, END 2026-10-20T23:51:58Z rc=0.

Merges (git merge-tree --write-tree), all clean.

• Every tree in the body reproduced:

Against	Tree
5e539a87	95f9b53262fc
#1073 b58a4e2c	70f85d401ede
#1072 2ffd8235	2e341d250ea1
#1071 24273dd4	0d183517f958
#1070 20d2d4ba	a5beb7be1408
#1031 74c17705	324855e1983d
#1081 7d4f2d82	fc9fe407b03b
1e7971cd	ffb8249edba4

• Origin/main 2a119f28 gives d1d04a3c, and current origin/main 16f9a0e81f97 (after shape_materialize.py: the fetch for a branch's answer leaves out every refspec of the repository's own onto the branches' names, whatever its source, and every one that puts a branch under a name not its own, so family.py bump and bump-leg.py no longer fail where the remote has x and release/x and the repository's own git fetch origin works (#1066) #1087 landed) gives e8e8cf426675.
• adopt-project.py: check names what the clone's .git holds as git keeps refs, and asks a pin's file through the links the root keeps, so a link into .git or onto a pin's file is refused before any leg or adopted with the copy beside it (#904) #1091 (fix/904-kept-links) at 8f5fd0fd3ed2 merges clean, tree 0153f3e7e3c9. It had no merge commit with main yet when I read it.
  • A three-way merge of this head, main and adopt-project.py: check names what the clone's .git holds as git keeps refs, and asks a pin's file through the links the root keeps, so a link into .git or onto a pin's file is refused before any leg or adopted with the copy beside it (#904) #1091 conflicts only where main and adopt-project.py: check names what the clone's .git holds as git keeps refs, and asks a pin's file through the links the root keeps, so a link into .git or onto a pin's file is refused before any leg or adopted with the copy beside it (#904) #1091 already conflict with each other: the _pin_findings signature, around lines 695-858 and 6883. None of those hunks is this PR's.

Semantic clashes with main.

• Main's moves under adopt-project.py (adopt-project.py: a bad link that plan-empty-symlink or plan-bad-symlink-target names is no longer named again by plan-root-blocks-shape-copy or plan-root-holds-pin, so it gets one finding, and the #908 comments say Linux's bound (#979) #1070's named_links, and _entry_findings' unasked_notes) keep pin_notes first. None of them touches _pin_digest_findings, _why_not_rechecked or _recomputed_pin_finding.
• No test on main outside the PR's six files quotes the old NOTE or a bare spelling.
• shape_materialize.py: the fetch for a branch's answer leaves out every refspec of the repository's own onto the branches' names, whatever its source, and every one that puts a branch under a name not its own, so family.py bump and bump-leg.py no longer fail where the remote has x and release/x and the repository's own git fetch origin works (#1066) #1087, now on main, changes the refspec helpers (shape_materialize.py:1555-1790, _leg_fetch_refspecs) and only the docstring of fetch_leg. It leaves untouched the fetch command, peeled_target, on_a_remote_branch, _unreachable_refusal, commit_in_clone and neutral_pin_entry.
• Its diff names none of shape_materialize.py, adopt-project.py and bump-leg.py: a tag a clone holds without its commit is one it cannot answer for, check says a commit it cannot ask was not asked, and a pinned product YAML 1.1 or 1.2 reads as no text is quoted (#912) #1090's functions (0 matching lines), and the merged tree e8e8cf42 holds both changes. shape_materialize.py, adopt-project.py and bump-leg.py: a tag a clone holds without its commit is one it cannot answer for, check says a commit it cannot ask was not asked, and a pinned product YAML 1.1 or 1.2 reads as no text is quoted (#912) #1090's behaviour survives the merge, so I started no run for it.

The body's "Found while testing" claim holds, on git 2.43 and 2.47.1. A leg that holds the object of a tag its remote advertises, but not the tag's commit, gets the commit and refs/tags/v1 from a plain branch fetch. So the bump row's choice of a tag that was never pushed is the right one.

Title and body.

• The title is 245 characters and true.
• The only closing keyword is Closes #912; closingIssuesReferences is [adopt-project.py and shape_materialize.py: a tag whose target the clone lacks is called a tag that names no commit, a recorded tag id is asked only of a clone still in place, and a pinned product only PyYAML misreads is written bare #912] alone.
• Tracking: adopt-project.py, converting an existing repository in place #457's line 383 does say 138.

Code checks.

• No assert in the six files is an and/or (ast scan).
• No added line is wider than 79 characters, and none holds a non-ASCII character.
• Cognitive complexity by hand, against 15:

Function	Now	Before
commit_in_clone	9	7
peeled_target	14	12
neutral_pin_entry	2	new
_pin_digest_findings	10	unchanged

• None of the changed scripts is a pinned copy.
• SonarCloud for PR 1090: quality gate OK, 0 open issues, 0.0% new duplication.
• CI at d5389eb6: tests, tests-git-bash, package and SonarCloud all SUCCESS.

Could not verify

• The counts on 6c861635: 96 failed / 98 passed and 16 failed / 232 passed, and the 2.43 groups of 115, 31, 24, 149 and 123.
• The 138 at 3dd806f; I only confirmed that Tracking: adopt-project.py, converting an existing repository in place #457 states it.
• Whether CI has PyYAML or ruamel.yaml installed. tests.yml installs neither explicitly, so CI may skip the enumeration row; the 45 + 45 + 20 rows hold the rule without it.
• The writer's other-file selection missed 9 files that run scaffold-project.py --pin or the pin validators: test_scaffold_pin_collisions.py, test_neutral_pin_validator.py, test_validate_pins_spelled_and_named.py, test_scaffold_referent_chain_links.py, test_chain_link_fold.py, test_link_source_chain_defaults.py, test_legs_not_a_list.py, test_doctor_validator_rows.py and test_doctor_validator_verdicts.py. I did not run them; CI's full tests job is green at the head.

One rule I broke

A scratch probe I wrote and ran ($Q/v118/rv1090/tools/followprobe.sh, second run) included git -C leg config --get remote.origin.tagOpt.

• It ran in my own scratch clone, $Q/v118/rv1090/follow2-243/leg and follow2-247/leg.
• It only read the value, which was empty, and changed nothing.
• It still breaks "never git config, not even --get". I have removed that line from the script.

Checklist candidates

• A rule-based quoting change should have one row longer than the enumeration's length cap, for every quantifier in the rule (here, multi-digit exponents).
• When one pytest call is meant to filter several files, pass a single -k expression: pytest keeps only the last -k. My first runs of M4 and R6 selected the wrong rows that way and had to be redone.

Scratch I leave

• Notes, logs and tools under /tmp/claude-1000/-workspace-projects-openRepoShape/50cede29-ab82-4ca3-9f67-d98e1a58c8d2/scratchpad/v118/rv1090/. This includes STATE.md, the run logs, mut/, tools/, the probe directories pr-* and follow*, and the entry dumps entries-*.json.
• Basetemps $Q/v110/bt/rv1090-*.
• One unreferenced commit object, 0b9e78aa (the predicted merge), in the shared repository.
• I removed all four scratch worktrees under /workspace/projects/openRepoShape-worktrees/_lane5-scratch/ (rv1090-head, rv1090-base, rv1090-mut, rv1090-mrg) with git worktree remove. I deleted refs/l5rv/rv1090-pr1090, -pr1091 and -pr1087; none of my refs is left.
• Nothing of mine is running.

(Posted by lane openRepoShape-5's coordinator. rv1090 is lane 5's independent opus reviewer; it wrote none of #1090.)

Lane: openreposhape-5 (openRepoShape-5)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud