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peerspeak/flake.lock
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build(nix): add a devShell so peerspeak builds on NixOS
The repo assumed a distro with a system-wide Rust, which NixOS does not
provide. This adds a flake devShell carrying the full dependency surface:

- Build: rustc/cargo/clippy/rustfmt, pkg-config, clang (pipewire-sys and
  libspa-sys need a real libclang for bindgen, via LIBCLANG_PATH), cmake
  (audiopus_sys's vendored-libopus fallback), and git (build.rs stamps
  PEERSPEAK_GIT_SHORT from `git rev-parse`).
- Link: alsa-lib, libopus, pipewire.
- dlopen'd at runtime: vulkan-loader, libxkbcommon, wayland and the X11 libs.
  Nothing links these, so they never land in the binary's rpath and are
  reachable only through LD_LIBRARY_PATH. Omitting them builds fine and then
  fails at window creation, which is a confusing way to find out.
- The supply-chain gates CI runs (cargo-deny, cargo-audit) plus cargo-deb.
  These were `cargo install`ed on the CachyOS side, which does not carry
  over — those binaries link that distro's glibc.

It also carries the screen-share tools (GStreamer + plugin search path,
pactl, mpv). Those look like they belong only to pixelpass, but
tests/screenshare_host_fault.rs starts a REAL pixelpass host, which aborts at
its own preflight without them — so they are a dependency of this test suite.
They are duplicated from pixelpass's flake rather than imported: the two
projects are mutually optional by design, and having one flake consume the
other would reintroduce the build-level dependency that rule prevents.

nixpkgs is pinned to nixos-26.05, the same channel the hosts run, so the
libraries here match the running PipeWire daemon and Vulkan ICD.

Verified: 640 lib tests pass, all 4 screenshare_host_fault live gates pass
(real audio backend, real network bind, real pixelpass child), fmt clean.
Known delta: clippy 1.95.0 (nixpkgs 26.05) flags one collapsible_match in
src/widget/selectable_text.rs that clippy 1.97.1 on CachyOS did not.
2026-08-07 13:46:18 -04:00

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{
"nodes": {
"nixpkgs": {
"locked": {
"lastModified": 1785989512,
"narHash": "sha256-HFQhkQcl5D1hUNoen3SGHCSFCt2Bg6uP+HgbrnA3InQ=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "445d861c6d31b4af0c79d8d4be2331f762a361d7",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-26.05",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}