update

2026-08-18 09:20:44 +02:00
commit b826cd721a
522 changed files with 93730 additions and 0 deletions
@@ -0,0 +1,85 @@
+#!/bin/sh
+set -eu
+
+: "${PRE15_DUT:?PRE15_DUT is required}"
+: "${PRE15_ROOT:?PRE15_ROOT is required}"
+: "${PRE15_CASE_TMP:?PRE15_CASE_TMP is required}"
+: "${PRE15_LIB_DIR:?PRE15_LIB_DIR is required}"
+. "$PRE15_LIB_DIR/runner.sh"
+
+spec=$PRE15_DUT/tests/pre15/fixtures/B01-xattr-legacy.json
+helper=$PRE15_DUT/tests/pre15/fixtures/g3.py
+output=$PRE15_CASE_TMP/xattr-legacy
+pre15_record_fixture xattr-legacy-contract "$spec"
+pre15_record_fixture xattr-legacy-generator "$helper"
+
+if python3 -B "$helper" make-xattr-legacy \
+	--spec "$spec" --output "$output" \
+	--freebsd-root "$PRE15_DUT/src" --linux-root "$PRE15_ROOT/src-linux"; then
+	:
+else
+	pre15_runner_fail 'legacy xattr fixture generation or independent parsing failed'
+fi
+
+mkdir -p "$PRE15_RUN_DIR/artifacts"
+cp "$output/fixture-manifest.json" \
+	"$PRE15_RUN_DIR/artifacts/TC162-fixture-manifest.json"
+pre15_record_fixture xattr-legacy-manifest \
+	"$PRE15_RUN_DIR/artifacts/TC162-fixture-manifest.json"
+python3 - "$PRE15_RUN_DIR/artifacts/TC162-fixture-manifest.json" <<'PY'
+import json
+from pathlib import Path
+import sys
+
+manifest = json.loads(Path(sys.argv[1]).read_text(encoding="ascii"))
+positive = {
+    "legacy-primary": "primary-legacy",
+    "explicit-plain": "primary",
+    "packed-carrier": "packed",
+    "metabox-carrier": "metabox",
+}
+for name, carrier in positive.items():
+    item = manifest["results"][name]
+    if item["carrier"] != carrier or not item["checksum_valid"]:
+        raise SystemExit(f"{name}: carrier/checksum oracle failed")
+    if item["base_index"] != 1 or item["infix"] != "repo.pre15.legacy.":
+        raise SystemExit(f"{name}: prefix value differs")
+for name in ("legacy-length-invalid", "legacy-offset-outside"):
+    item = manifest["results"][name]
+    if item["expected_errno"] != "EINTEGRITY" or not item["checksum_valid"]:
+        raise SystemExit(f"{name}: exact negative oracle failed")
+print("TC162: legacy, explicit plain, packed, and metabox carriers read one value")
+print("TC162: single-field negatives return exactly EINTEGRITY")
+PY
+
+pre15_target_reached
+if python3 - "$PRE15_DUT/src/xattr.c" "$PRE15_ROOT/src-linux/xattr.c" <<'PY'
+from pathlib import Path
+import sys
+
+freebsd = Path(sys.argv[1]).read_text(encoding="utf-8")
+linux = Path(sys.argv[2]).read_text(encoding="utf-8")
+freebsd_markers = (
+    "prefix_en = NULL;",
+    "EROFS_FEATURE_COMPAT_PLAIN_XATTR_PFX",
+    "else if (em->packed_inode != NULL)",
+    "else if (em->packed_nid != 0)",
+    "erofs_xattr_read_metadata(em, prefix_en",
+)
+linux_markers = (
+    "bool plain = erofs_sb_has_plain_xattr_pfx(sbi);",
+    "else if (sbi->packed_inode)",
+    "else\n\t\t\tplain = true;",
+    "if (plain)\n\t\t(void)erofs_init_metabuf(&buf, sb, false);",
+)
+if not all(marker in freebsd for marker in freebsd_markers):
+    raise SystemExit("FreeBSD legacy primary fallback changed")
+if not all(marker in linux for marker in linux_markers):
+    raise SystemExit("Linux legacy primary fallback changed")
+print("TC162: FreeBSD and Linux retain the no-carrier primary fallback")
+PY
+then
+	:
+else
+	pre15_dut_fail 'legacy xattr primary fallback branch no longer matches the frozen contract'
+fi