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Fix SourcePath::resolveSymlinks()

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This fixes handling of symlinks that start with '..', and symlink
targets that contain symlinks themselves.
This commit is contained in:
Eelco Dolstra 2023-06-05 15:43:12 +02:00
parent 9c6ede85fc
commit f5c6b29940
2 changed files with 24 additions and 12 deletions
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6
tests/eval.sh
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@ -35,3 +35,9 @@ nix-instantiate --eval -E 'assert 1 + 2 == 3; true'
# Check that symlink cycles don't cause a hang.
ln -sfn cycle.nix $TEST_ROOT/cycle.nix
(! nix eval --file $TEST_ROOT/cycle.nix)
# Check that relative symlinks are resolved correctly.
mkdir -p $TEST_ROOT/xyzzy $TEST_ROOT/foo
ln -sfn ../xyzzy $TEST_ROOT/foo/bar
printf 123 > $TEST_ROOT/xyzzy/default.nix
[[ $(nix eval --impure --expr "import $TEST_ROOT/foo/bar") = 123 ]]