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pgr/deltas/0.1.0/alpha.5.md
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<!-- file: deltas/0.1.0/alpha.5.md -->
<!-- version: 1 -->
# Delta 0.1.0-alpha.5 — baseline Rust/Cargo réutilisable et dry-run
## Baseline et version
Baseline attendue : commit opérateur de `0.1.0-alpha.4`, réalisé après application de `history/0.1.0/alpha.4.md` avec statut `PASS`.
Le hash de ce commit n’est pas anticipé.
Version avant application :
```text
0.1.0-alpha.4
```
Version après application :
```text
0.1.0-alpha.5
```
## Objet
Prouver que la première baseline Rust/Cargo de PGR est réellement réutilisable dans deux situations distinctes :
```text
NEW nouveau workspace gouverné depuis une baseline vide
ADOPTION workspace Rust existant conservant ses décisions locales légitimes
```
La tranche réconcilie les skeletons `001` / `002`, les guides des templates Rust/Cargo et la validation. Elle ajoute un contrat durable de dry-run, mais aucun générateur de projet permanent et aucun nouveau profil technologique.
Games et KSP ne servent pas de fixtures et ne sont pas modifiés.
## Scope
REPLACE :
```text
VERSION
docs/000-README.md
docs/plans/006-V0_1_0_REUSABLE_BASELINE_PLAN.md
docs/skeletons/000-README.md
docs/skeletons/001-PROJECT_GOVERNANCE_FOUNDATION.md
docs/skeletons/002-RUST_CARGO_WORKSPACE.md
docs/templates/001-RUST_CARGO_TOOLING.md
docs/templates/002-CARGO_MANIFESTS.md
docs/validation/001-VALIDATION_MATRIX.md
```
ADD :
```text
deltas/0.1.0/alpha.5.md
docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md
```
DELETE : aucun.
Les templates techniques sous `templates/rust-cargo/`, les scripts d’audit, les profils Java/Android/Tauri, `ROADMAP.md` et `CHANGELOG.md` restent inchangés.
## Décisions
### Nouveau projet
Le chemin d’instanciation reste `001 + 002`. Les cinq templates techniques sont adaptés dans un répertoire temporaire, les placeholders sont résolus et une crate source triviale est créée uniquement pour permettre à Cargo de vérifier la baseline.
Le code temporaire du dry-run n’est pas ajouté aux templates PGR.
### Projet existant
Le chemin d’adoption passe par `230-ADOPTION.md`. Les skeletons et templates servent de checklists de comparaison et ne sont jamais copiés aveuglément.
Le dry-run doit inclure plusieurs décisions et prouver qu’un choix local classé `KEEP-LOCAL` ou `DEFER` reste inchangé.
### Autorité de la toolchain
La syntaxe TOML et les assertions structurelles peuvent être prévalidées avec Python. En revanche, le mode `NEW` complet exige Cargo : une absence de toolchain ne peut pas être convertie en `PASS`.
## Validation opérateur
Après application du history `PASS`, commit/push de `alpha.4`, puis application du présent delta :
```bash
test "$(cat VERSION)" = '0.1.0-alpha.5'
git cat-file -e HEAD:history/0.1.0/alpha.4.md
test -f history/0.1.0/alpha.4.md
test -f deltas/0.1.0/alpha.5.md
test -f docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md
test ! -e history/0.1.0/alpha.5.md
grep -A2 '^## Statut$' history/0.1.0/alpha.4.md | grep -Fx 'PASS'
grep -Fx '<!-- version: 21 -->' docs/000-README.md
grep -Fx '<!-- version: 5 -->' docs/skeletons/000-README.md
grep -Fx '<!-- version: 4 -->' docs/skeletons/001-PROJECT_GOVERNANCE_FOUNDATION.md
grep -Fx '<!-- version: 6 -->' docs/skeletons/002-RUST_CARGO_WORKSPACE.md
grep -Fx '<!-- version: 4 -->' docs/templates/001-RUST_CARGO_TOOLING.md
grep -Fx '<!-- version: 4 -->' docs/templates/002-CARGO_MANIFESTS.md
grep -Fx '<!-- version: 13 -->' docs/validation/001-VALIDATION_MATRIX.md
grep -Fx '<!-- version: 1 -->' docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md
grep -Fx '<!-- version: 7 -->' docs/plans/006-V0_1_0_REUSABLE_BASELINE_PLAN.md
```
Contrôle structurel et prévalidation TOML :
```bash
python3 -B - <<'PYGATE'
from pathlib import Path
import re
import tomllib
history = Path("history/0.1.0/alpha.4.md").read_text(encoding="utf-8")
foundation = Path("docs/skeletons/001-PROJECT_GOVERNANCE_FOUNDATION.md").read_text(encoding="utf-8")
rust_skeleton = Path("docs/skeletons/002-RUST_CARGO_WORKSPACE.md").read_text(encoding="utf-8")
tooling = Path("docs/templates/001-RUST_CARGO_TOOLING.md").read_text(encoding="utf-8")
manifests = Path("docs/templates/002-CARGO_MANIFESTS.md").read_text(encoding="utf-8")
dryrun = Path("docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md").read_text(encoding="utf-8")
plan = Path("docs/plans/006-V0_1_0_REUSABLE_BASELINE_PLAN.md").read_text(encoding="utf-8")
roadmap = Path("ROADMAP.md").read_text(encoding="utf-8")
assert re.search(r"## Statut\s+PASS\s", history)
assert "../rules/230-ADOPTION.md" in foundation
assert "../rules/230-ADOPTION.md" in rust_skeleton
assert "004-RUST_CARGO_BASELINE_DRY_RUN.md" in rust_skeleton
assert "KEEP-LOCAL" in tooling
assert "ADOPT / KEEP-LOCAL / OVERRIDE / DEFER" in manifests
for phrase in (
"NEW nouveau projet",
"ADOPTION projet existant",
"cargo metadata --format-version 1 --no-deps",
"cargo clippy --workspace --all-targets --all-features -- -D warnings",
"KEEP-LOCAL",
"DEFER",
"ne constitue pas un `PASS` de la toolchain",
):
assert phrase in dryrun, phrase
for path in (
Path("templates/rust-cargo/Cargo.toml"),
Path("templates/rust-cargo/clippy.toml"),
Path("templates/rust-cargo/rustfmt.toml"),
Path("templates/rust-cargo/.cargo/config.toml"),
Path("templates/rust-cargo/crates/project-core-lib/Cargo.toml"),
):
with path.open("rb") as handle:
tomllib.load(handle)
assert "Statut opérateur : **PASS**." in plan
assert "Statut opérateur : **à valider**." in plan
assert "Games et KSP ne sont pas utilisés comme fixtures du dry-run." in plan
assert "- `( ) 0.1.1`" not in roadmap
print("0.1.0 alpha.5 structural/TOML audit: clean (NEW and ADOPTION paths explicit, templates parse, external corpora not required)")
PYGATE
```
Dry-run `NEW` avec la toolchain officielle :
```bash
python3 -B - <<'PYNEW'
from pathlib import Path
import shutil
import subprocess
import tempfile
import tomllib
cargo = shutil.which("cargo")
if cargo is None:
raise SystemExit("BLOCKED: cargo is required for the alpha.5 NEW dry-run")
source = Path("templates/rust-cargo")
with tempfile.TemporaryDirectory(prefix="pgr-alpha5-new-") as temporary:
root = Path(temporary)
(root / ".cargo").mkdir(parents=True)
(root / "crates/pgr-dryrun-core-lib/src").mkdir(parents=True)
shutil.copy2(source / "Cargo.toml", root / "Cargo.toml")
shutil.copy2(source / "clippy.toml", root / "clippy.toml")
shutil.copy2(source / "rustfmt.toml", root / "rustfmt.toml")
shutil.copy2(source / ".cargo/config.toml", root / ".cargo/config.toml")
shutil.copy2(source / "crates/project-core-lib/Cargo.toml", root / "crates/pgr-dryrun-core-lib/Cargo.toml")
workspace = (root / "Cargo.toml").read_text(encoding="utf-8")
workspace = workspace.replace("crates/project-core-lib", "crates/pgr-dryrun-core-lib")
workspace = workspace.replace('version = "0.1.0"', 'version = "9.9.9"')
(root / "Cargo.toml").write_text(workspace, encoding="utf-8")
member = (root / "crates/pgr-dryrun-core-lib/Cargo.toml").read_text(encoding="utf-8")
member = member.replace("project-core-lib", "pgr-dryrun-core-lib")
(root / "crates/pgr-dryrun-core-lib/Cargo.toml").write_text(member, encoding="utf-8")
config = (root / ".cargo/config.toml").read_text(encoding="utf-8")
config = config.replace("project-name", "pgr-alpha5-new")
(root / ".cargo/config.toml").write_text(config, encoding="utf-8")
(root / "crates/pgr-dryrun-core-lib/src/lib.rs").write_text(
"//! Minimal source used only by the PGR alpha.5 dry-run.\n\n"
"/// Returns the dry-run marker.\n"
"#[must_use]\n"
"pub const fn dry_run_marker() -> u32 {\n"
" return 1;\n"
"}\n",
encoding="utf-8",
)
for path in (
root / "Cargo.toml",
root / "clippy.toml",
root / "rustfmt.toml",
root / ".cargo/config.toml",
root / "crates/pgr-dryrun-core-lib/Cargo.toml",
):
with path.open("rb") as handle:
tomllib.load(handle)
text = path.read_text(encoding="utf-8")
assert "project-name" not in text
assert "project-core-lib" not in text
commands = (
[cargo, "metadata", "--format-version", "1", "--no-deps"],
[cargo, "fmt", "--all", "--", "--check"],
[cargo, "check", "--workspace"],
[cargo, "clippy", "--workspace", "--all-targets", "--all-features", "--", "-D", "warnings"],
)
for command in commands:
subprocess.run(command, cwd=root, check=True)
print("0.1.0 alpha.5 NEW dry-run: clean (temporary templates accepted by Cargo/rustfmt/Clippy)")
PYNEW
```
Dry-run `ADOPTION` non destructif :
```bash
python3 -B - <<'PYADOPT'
from pathlib import Path
import hashlib
import shutil
import subprocess
import tempfile
cargo = shutil.which("cargo")
if cargo is None:
raise SystemExit("BLOCKED: cargo is required for the alpha.5 ADOPTION dry-run")
valid_decisions = {"ADOPT", "KEEP-LOCAL", "OVERRIDE", "DEFER"}
with tempfile.TemporaryDirectory(prefix="pgr-alpha5-adoption-") as temporary:
root = Path(temporary)
(root / "crates/legacy-core-lib/src").mkdir(parents=True)
(root / "Cargo.toml").write_text(
'[workspace]\nresolver = "3"\nmembers = ["crates/legacy-core-lib"]\n\n'
'[workspace.package]\nversion = "2.3.4"\nedition = "2024"\npublish = false\n',
encoding="utf-8",
)
(root / "rustfmt.toml").write_text('edition = "2024"\nmax_width = 120\n', encoding="utf-8")
(root / "crates/legacy-core-lib/Cargo.toml").write_text(
'[package]\nname = "legacy-core-lib"\nversion.workspace = true\nedition.workspace = true\npublish.workspace = true\n',
encoding="utf-8",
)
(root / "crates/legacy-core-lib/src/lib.rs").write_text(
"//! Existing synthetic library.\n\n"
"/// Returns the existing marker.\n"
"#[must_use]\n"
"pub const fn existing_marker() -> u32 {\n"
" 7\n"
"}\n",
encoding="utf-8",
)
protected = (root / "Cargo.toml", root / "rustfmt.toml", root / "crates/legacy-core-lib/Cargo.toml")
before = {path: hashlib.sha256(path.read_bytes()).hexdigest() for path in protected}
decisions = {
"510-RUST_CARGO": "ADOPT",
"rustfmt.max_width=120": "KEEP-LOCAL",
"PGR external artifact configuration": "DEFER",
"strict crate-root export audit": "DEFER",
}
assert set(decisions.values()) <= valid_decisions
assert "KEEP-LOCAL" in decisions.values()
assert "DEFER" in decisions.values()
for command in (
[cargo, "metadata", "--format-version", "1", "--no-deps"],
[cargo, "fmt", "--all", "--", "--check"],
[cargo, "check", "--workspace"],
[cargo, "clippy", "--workspace", "--all-targets", "--all-features", "--", "-D", "warnings"],
):
subprocess.run(command, cwd=root, check=True)
after = {path: hashlib.sha256(path.read_bytes()).hexdigest() for path in protected}
assert before == after
assert "max_width = 120" in (root / "rustfmt.toml").read_text(encoding="utf-8")
assert not (root / ".cargo/config.toml").exists()
print("0.1.0 alpha.5 ADOPTION dry-run: clean (local KEEP-LOCAL/DEFER choices preserved, workspace remains valid)")
PYADOPT
```
Puis rejouer les preuves PGR :
```bash
python3 -B -m unittest discover -s tests -v
python3 -B scripts/audit_markdown_headers.py \
README.md RULES.md ROADMAP.md CHANGELOG.md docs deltas history prompts
python3 -B scripts/audit_markdown_tables.py \
README.md RULES.md ROADMAP.md CHANGELOG.md docs deltas history prompts
python3 -B scripts/audit_markdown_links.py \
README.md RULES.md ROADMAP.md CHANGELOG.md docs deltas history prompts
git diff --check
git add VERSION docs/000-README.md \
docs/plans/006-V0_1_0_REUSABLE_BASELINE_PLAN.md \
docs/skeletons/000-README.md \
docs/skeletons/001-PROJECT_GOVERNANCE_FOUNDATION.md \
docs/skeletons/002-RUST_CARGO_WORKSPACE.md \
docs/templates/001-RUST_CARGO_TOOLING.md \
docs/templates/002-CARGO_MANIFESTS.md \
docs/validation/001-VALIDATION_MATRIX.md \
docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md \
deltas/0.1.0/alpha.5.md
git diff --cached --check
git status --short
```
Le scope indexé attendu avant ajout du history de `alpha.5` est exactement :
```text
M VERSION
A deltas/0.1.0/alpha.5.md
M docs/000-README.md
M docs/plans/006-V0_1_0_REUSABLE_BASELINE_PLAN.md
M docs/skeletons/000-README.md
M docs/skeletons/001-PROJECT_GOVERNANCE_FOUNDATION.md
M docs/skeletons/002-RUST_CARGO_WORKSPACE.md
M docs/templates/001-RUST_CARGO_TOOLING.md
M docs/templates/002-CARGO_MANIFESTS.md
M docs/validation/001-VALIDATION_MATRIX.md
A docs/validation/004-RUST_CARGO_BASELINE_DRY_RUN.md
```
## Revue opérateur complémentaire
Confirmer que :
- le mode `NEW` n’introduit aucun `src/lib.rs` universel dans PGR ;
- le mode `ADOPTION` ne remplace pas les fichiers existants classés `KEEP-LOCAL` ou `DEFER` ;
- les templates techniques eux-mêmes restent inchangés dans cette tranche ;
- la réussite de la prévalidation Python n’est pas confondue avec la réussite Cargo ;
- Games et KSP ne sont ni modifiés ni nécessaires à la preuve ;
- aucun profil Java, Android, Tauri, Web, WASM ou serveur n’est matérialisé ;
- aucun numéro futur `0.1.x` n’est réservé.
## Transition
### PASS
Produire `history/0.1.0/alpha.5.md`, l’appliquer puis remettre automatiquement les commandes de commit/push.
Passer ensuite à `0.1.0-beta.1` pour la réconciliation finale et la revue d’horizon obligatoire avant RC.
### FAIL / BLOCKED
Consigner le résultat réel dans `history/0.1.0/alpha.5.md`. Un défaut des templates/skeletons reste dans `alpha.5.fix.N` sauf REPLAN. Une toolchain Cargo absente qui empêche les dry-runs requis doit être enregistrée `BLOCKED`, pas transformée en `PASS` par la seule prévalidation Python.