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Fix writable check for NFS/ACL filesystems #348

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Merged
tien-tong merged 1 commit into from
Mar 18, 2026
Merged

Fix writable check for NFS/ACL filesystems #348

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8 changes: 6 additions & 2 deletions babs/bootstrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import os
import os.path as op
import subprocess
import tempfile
from pathlib import Path

import datalad.api as dlapi
Expand Down Expand Up @@ -77,8 +78,11 @@ def babs_bootstrap(
f"The parent folder '{parent_dir}' does not exist! `babs init` won't proceed."
)

# check if parent directory is writable:
if not os.access(parent_dir, os.W_OK):
# check if parent directory is writable (os.access unreliable on NFS/ACL):
try:
with tempfile.TemporaryFile(dir=parent_dir):
pass
except OSError:
raise ValueError(
f"The parent folder '{parent_dir}' is not writable! `babs init` won't proceed."
)
Expand Down
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