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fix: hold the data dir lock while packing it

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Abdessamad Derraz committed 2026-10-06 04:56:16 +02:00
1 parent c9f8f4b230
commit a1ce1d2fa0
3 files changed
+58 -22
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scripts/generate_pack.py
+20 -16
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@@ -62,6 +62,7 @@ from common import (
yaml_load,
)
import packresolve
from refresh_data_dirs import cache_lock
import region as region_mod
import slot as slot_mod
import slots
@@ -345,22 +346,25 @@ def _data_directory_members(
dd_prefix = base_dest
else:
dd_prefix = dd_dest
for root, _dirs, filenames in os.walk(local_path):
for fname in filenames:
src = os.path.join(root, fname)
rel = os.path.relpath(src, local_path)
full = f"{dd_prefix}/{rel}"
if full in seen_destinations or (
full.lower() in seen_lower and case_insensitive
):
continue
if _has_path_conflict(full, seen_destinations, seen_parents):
continue
seen_destinations.add(full)
_register_path(full, seen_destinations, seen_parents)
if case_insensitive:
seen_lower.add(full.lower())
yield src, full
# Held while the caller writes what is yielded: a refresh swapping
# the tree waits until the walk is done.
with cache_lock(local_path, shared=True):
for root, _dirs, filenames in os.walk(local_path):
for fname in filenames:
src = os.path.join(root, fname)
rel = os.path.relpath(src, local_path)
full = f"{dd_prefix}/{rel}"
if full in seen_destinations or (
full.lower() in seen_lower and case_insensitive
):
continue
if _has_path_conflict(full, seen_destinations, seen_parents):
continue
seen_destinations.add(full)
_register_path(full, seen_destinations, seen_parents)
if case_insensitive:
seen_lower.add(full.lower())
yield src, full
def _pack_data_directories(