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Merge pull request #11609 from yannham/fix/nar-test-zfs

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Fix NAR tests on Linux+ZFS+normalize
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Robert Hensing 2024-10-07 16:16:15 +02:00 committed by GitHub
commit 26c3fc11ea
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1 changed files with 39 additions and 6 deletions
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45
tests/functional/nars.sh
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@ -88,17 +88,50 @@ touch "$TEST_ROOT/case/xt_CONNMARK.h~nix~case~hack~3"
rm -rf "$TEST_ROOT/case"
expectStderr 1 nix-store "${opts[@]}" --restore "$TEST_ROOT/case" < case-collision.nar | grepQuiet "NAR contains file name 'test' that collides with case-hacked file name 'Test~nix~case~hack~1'"
# Deserializing a NAR that contains file names that Unicode-normalize
# to the same name should fail on macOS but succeed on Linux.
# Deserializing a NAR that contains file names that Unicode-normalize to the
# same name should fail on macOS and specific Linux setups (typically ZFS with
# `utf8only` enabled and `normalization` set to anything else than `none`). The
# deserialization should succeed on most Linux, where file names aren't
# unicode-normalized.
#
# We test that:
#
# 1. It either succeeds or fails with "already exists" error.
# 2. Nix has the same behavior with respect to unicode normalization than
# $TEST_ROOT's filesystem (when using basic Unix commands)
rm -rf "$TEST_ROOT/out"
if [[ $(uname) = Darwin ]]; then
expectStderr 1 nix-store --restore "$TEST_ROOT/out" < unnormalized.nar | grepQuiet "path '.*/out/â' already exists"
else
nix-store --restore "$TEST_ROOT/out" < unnormalized.nar
set +e
unicodeTestOut=$(nix-store --restore "$TEST_ROOT/out" < unnormalized.nar 2>&1)
unicodeTestCode=$?
set -e
touch "$TEST_ROOT/unicode-â" # non-canonical version
touch "$TEST_ROOT/unicode-â"
touchFilesCount=$(find "$TEST_ROOT" -maxdepth 1 -name "unicode-*" -type f | wc -l)
if (( unicodeTestCode == 1 )); then
# If the command failed (MacOS or ZFS + normalization), checks that it failed
# with the expected "already exists" error, and that this is the same
# behavior as `touch`
echo "$unicodeTestOut" | grepQuiet "path '.*/out/â' already exists"
(( touchFilesCount == 1 ))
elif (( unicodeTestCode == 0 )); then
# If the command succeeded, check that both files are present, and that this
# is the same behavior as `touch`
[[ -e $TEST_ROOT/out/â ]]
[[ -e $TEST_ROOT/out/â ]]
(( touchFilesCount == 2 ))
else
# if the return code is neither 0 or 1, fail the test.
echo "NAR deserialization of files with the same Unicode normalization failed with unexpected return code $unicodeTestCode" >&2
exit 1
fi
rm -f "$TEST_ROOT/unicode-*"
# Unpacking a NAR with a NUL character in a file name should fail.
rm -rf "$TEST_ROOT/out"
expectStderr 1 nix-store --restore "$TEST_ROOT/out" < nul.nar | grepQuiet "NAR contains invalid file name 'f"