cargo test --workspace failed to link bread-onnx's own unit tests
(undefined symbol OrtGetApiBase) because nothing in this workspace
supplies an ort backend — that's deliberately left to each downstream
consumer app (breadarr, breadmill, breadpad) in their own repos. None
of bread-onnx's unit tests actually open an ONNX session, so enabling
ort's load-dynamic feature as a dev-dependency (unifies into this
crate's own test builds only, never into downstream consumers) is
enough to satisfy the linker without requiring a real onnxruntime.
Found while investigating why breadpad's test suite went from fast (silent
CPU-only ROCm no-op) to multi-minutes slow after fixing the ROCm->MIGraphX
bug in the previous commit: MIGraphX has no Rust-level cache-directory
builder (unlike OpenVINO/Vitis) — it's controlled purely by the
ORT_MIGRAPHX_MODEL_CACHE_PATH env var, read by the underlying MIGraphX
library. Left unset, every session build recompiles every kernel from
scratch with no persistence at all, visible in breadpad's test output as
repeated `migraphx_save: Error: ... write_buffer: Failure opening file:
""/<hash>.mxr` lines (empty path prefix = var never set).
breadmill's own packaged systemd unit already sets this explicitly
(packaging/breadmill.service: ORT_MIGRAPHX_MODEL_CACHE_PATH=%h/.cache/
breadsearch/migraphx-cache) but nothing enforced any other consumer doing
the same — breadpad had no systemd unit or cache path at all. Provider::
MiGraphX's to_dispatch now defaults ORT_MIGRAPHX_MODEL_CACHE_PATH to
~/.cache/bread-onnx/migraphx if unset, so every consumer gets kernel-cache
persistence for free instead of only the ones that remembered to
configure it themselves.
bread-utils extracts genuinely duplicated logic found across breadbox,
breadclip, breadmon, breadcrumbs, bos-settings, and breadhelp:
- hypr: Hyprland socket1 request/response client (breadbox's
get_active_workspace + breadclip's position.rs hyprctl_json were
near-identical), socket2 path resolution (breadmon), and a
version-tolerant `fullscreen` field parser (Hyprland has shipped both
bool and int representations across versions).
- singleton: correct flock-based single-instance toggle, replacing the
TOCTOU-prone read-pid/check-proc/kill/write-pid pattern duplicated
verbatim between breadbox and breadclip (breadclip's own comment says
"matches breadbox pattern").
- proc: breadcrumbs' timeout-guarded subprocess runner, promoted verbatim
as the one implementation in the ecosystem that already got this right.
- atomic + xdg: atomic (temp-then-rename) file writes with an optional
.bak-before-overwrite variant, and XDG path helpers that never fall back
to a literal "~/..." string (the exact breadclip-core and
breadpad-shared bug: PathBuf never expands `~`).
- tomlcfg (feature "toml"): the load_doc/save_doc TOML-editing discipline
bos-settings and breadhelp both implemented byte-for-byte identically in
the same fix pass that introduced it.
- gtk_popup (feature "gtk"): layer-shell overlay window setup, visible-row
navigation, and click-outside-close, deduplicated from breadbox and
breadclip (~150 duplicated lines, per both apps' own "same as breadbox"
comments).
bread-onnx extracts the embedding pipeline (tokenize -> tensor build ->
mean-pool -> L2-normalize) duplicated near-verbatim between breadarr and
breadsearch, a shared execution-provider session builder with loud EP-
registration logging, and a model download+integrity helper. Defaults AMD
iGPU acceleration to ort::ep::MIGraphX (not ROCm) per this machine's own
breadsearch-gpu-backends lesson: ROCMExecutionProvider silently no-ops to
CPU on distro ROCm onnxruntime builds compiled with --use_migraphx.
Both crates build and pass their own test suites standalone. Consumer
migrations follow in subsequent commits.
