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authorsterni <sternenseemann@systemli.org>2023-12-25T14·53+0100
committerclbot <clbot@tvl.fyi>2023-12-25T15·06+0000
commitd07600dbca4d3b0898c203857f74a4e9f5b6b4c3 (patch)
tree4d828160196dd14728f0f0f622297fb8e536a15d /tvix/castore-go/rpc_directory_grpc.pb.go
parent32e8e16e1e8bc44851d49f3c4c684753d7d2ee24 (diff)
fix(tvix/eval/value): correctly emit spaces when coercing lists r/7264
r/7176 introduced an incorrect assumption was the benefit of the
nonrecursive coercion algorithm, namely that a coercion operation always
returns a non empty string. This allows to detect whether we are
coercing a list or not by checking if the intermediate result is empty
or not. Unfortunately, coercing null and false yields an empty string,
so we need to explicitly track whether we are coercing a list.

Updated the test case to hopefully catch similar bugs in the future. I'm
not a hundred percent certain I have not introduced a new edge case with
this, so it may be interesting to add a prop test case for this to
nix_oracle down the line. At least lists are the only nested data
structures that can be serialized as nested data structures, so the
problem is kind of limited.

Change-Id: Ia41e904356f1c41a9d35e4e65ec02f2fe5a4100e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10418
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/castore-go/rpc_directory_grpc.pb.go')
0 files changed, 0 insertions, 0 deletions