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author | Griffin Smith <root@gws.fyi> | 2022-10-10T03·46-0400 |
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committer | grfn <grfn@gws.fyi> | 2022-10-10T20·23+0000 |
commit | 273ba73754e9b10f768830d5a6835bf3d14e0d8a (patch) | |
tree | b0727d0a5bb1ca804acbcc4e035ba885efd929a2 /third_party/agenix | |
parent | 5e2b44b4161dba88dfd34f3cd649f592c304ae5b (diff) |
feat(tvix/eval): Initial resolution of `<...>` paths r/5087
This commit implements (lazy) resolution of `<...>` paths via either the NIX_PATH environment variable, or the -I command-line flag - both handled via EvalOptions. As a result, EvalOptions can no longer derive Copy, meaning we have to clone it at each line of the repl - this is probably not a huge deal as repl performance is not exactly an inner loop and we're not cloning very much. Internally, this works by creating a thunk which pushes a constant containing the string inside the brackets to the stack, then a new opcode to resolve that path via the `NixPath`. To get that opcode to work, we now have to pass in the NixPath when constructing the VM. This (intentionally) leaves out proper implementation of path resolution via `findFile` (cppnix just calls whatever identifier called findFile is in scope!!!) as that's widely considered a bit of a misfeature, but if we do decide to implement that down the road it likely wouldn't be more than a few extra ops within the thunk introduced here. Change-Id: Ibc979b7e425b65cbe88599940520239a4a10cee2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6918 Autosubmit: grfn <grfn@gws.fyi> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
Diffstat (limited to 'third_party/agenix')
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