Build issue on Nix copying node_modules to/from non-existent directory

[mr-bo-jangles]

Description

$ nix build github:voltropy/volt#packages.x86_64-linux.voltcode 2>&1 | tail -20
at <nix/derivation-internal.nix>:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|
       … while evaluating derivation 'voltcode-0.6.0-2822943'
         whose name attribute is located at /nix/store/0ifymf9815ip761b3qqily7nysipb0x1-source/pkgs/stdenv/generic/make-derivation.nix:541:13
       … while evaluating attribute 'configurePhase' of derivation 'voltcode-0.6.0-2822943'
         at /nix/store/qa2r4k2pq52yzskinpx80azm0zxcjh5g-source/nix/voltcode.nix:28:3:
           27|
           28|   configurePhase = ''
             |   ^
           29|     runHook preConfigure
       (stack trace truncated; use '--show-trace' to show the full, detailed trace)
       error: lib.fileset.unions: Element 4 (/nix/store/qa2r4k2pq52yzskinpx80azm0zxcjh5g-source/install) is a path that does not exist.
           To create a file set from a path that may not exist, use `lib.fileset.maybeMissing`.

Plugins

n/a

VoltCode version

2822943

Steps to reproduce

nix build github:voltropy/volt/2822943c810bc9571043650bc3dbe27a1db61762#packages.x86_64-linux.voltcode

Screenshot and/or share link

No response

Operating System

NixOS

Terminal

N/A

[rabsef-bicrym]

Thanks for reporting this — we appreciate you bringing it to our attention.

The immediate cause (a stale ../install path reference in nix/node_modules.nix that made Nix evaluation fail) has been fixed and merged in PR #9. The fileset no longer references a nonexistent path, and the node_modules hashes have been updated for all four platforms.

That said, there's still a bit more work before the full nix build completes end-to-end — the downstream packaging step has a separate path mismatch we're tracking internally. We'll close this issue once the evaluation-time fix is confirmed on dev, but wanted to flag that "builds with Nix" isn't fully there yet.

[rabsef-bicrym]

Remaining issue: installPhase binary path mismatch

The fileset evaluation crash is fixed, but nix build .#voltcode now fails later in the install phase at nix/voltcode.nix:53:

install -Dm755 dist/voltcode-*/bin/voltcode $out/bin/voltcode
# install: missing destination file operand .../bin/voltcode

The build step (bun --bun ./script/build.ts --single --skip-install) produces output that doesn't match the dist/voltcode-*/bin/voltcode glob. This is likely a naming artifact from the fork — the binary name or dist directory structure changed but the Nix recipe wasn't updated to match.

We're tracking this internally and will close this issue once the full Nix build completes end-to-end.