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OrcaSlicer/scripts/CAD/build-gui-incremental.sh
T
Tommaso Bianchi 13d5eac891 Move the Design-tab scripts into scripts/CAD/ and name them by role
Requested by SoftFever on PR #15238: ten of these had accumulated loose in
scripts/ next to ~20 unrelated upstream ones, with names that only meant
something to whoever wrote them. They now sit in scripts/CAD/, mirroring the
src/libslic3r/CAD/ and src/slic3r/GUI/CAD/ split, and the verb in the name is
the role: build- produces a binary, start- brings something up, run- runs a
suite, check- asserts one thing against a live app.

  kernel-test.sh        -> CAD/run-kernel-tests.sh
  ladder-all.sh         -> CAD/run-all-checks.sh
  sketch-ladder.py      -> CAD/check-sketch-engine.py
  ladder-corpus.py      -> CAD/check-sketch-engine-corpus.py
  gui-ladder.py         -> CAD/check-gui-sketching.py
  offer-ladder.py       -> CAD/check-gui-context-menu.py
  mcp-sketch-smoke.py   -> CAD/check-mcp-sketch.py
  rig-build.sh          -> CAD/build-gui.sh
  docker-iter-build.sh  -> CAD/build-gui-incremental.sh
  gui-session.sh        -> CAD/start-headless-gui.sh

"Ladder" was the worst of them: it named the shape of the test (rungs of
increasing difficulty) rather than what the test proves, so nothing in the
directory listing told you which one needed a GPU and which was pure kernel.

Every reference rewritten -- the docs, the cross-calls between the scripts,
Dockerfile.deps, and the container-side /OrcaSlicer/scripts paths. The three
shell scripts resolve REPO relative to themselves and now sit one level
deeper, so that walk went from /.. to /../.. . The copies these push into a
container's /tmp were renamed to match, or the container would have kept the
old names alive.

Two runtime paths deliberately NOT renamed. /tmp/orca-rig-build.lock is a
cross-fork contract -- both forks take the same lock so two concurrent builds
serialise instead of OOMing the box, and renaming it on one side silently
removes that guard. /tmp/gui-session.log is a runtime artefact, not a script.

Added scripts/CAD/README.md: what each script proves, what it needs, and the
two constraints that have each cost a session (never build inside the GUI
container; a window manager is required or synthetic keys are ignored).

On CI, which was the other half of the request: the kernel suite is already
there and always has been. The cases are registered in
tests/libslic3r/CMakeLists.txt under if (SLIC3R_CAD), which defaults ON and no
workflow turns off, so they build into libslic3r_tests and run under ctest on
every platform via unit_tests.yml -- like any other unit test, needing no new
job. They have simply never been seen to run, because the workflows on this PR
are still awaiting maintainer approval. run-kernel-tests.sh is the local loop
over the same cases, and it is the only script here CI could run: the other
six need an OpenGL canvas and synthetic input.

Verified: scripts/CAD/run-kernel-tests.sh from its new location, all tests
passed, 2562 assertions in 190 test cases.
2026-08-28 19:34:03 +02:00

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#!/usr/bin/env bash
# Incremental slicer build against the orcacad-deps base image.
#
# The deps-baked image (built from scripts/Dockerfile.deps) carries the pinned
# dependencies at /OrcaSlicer/deps/build/destdir. This script mounts the LIVE source
# tree and resources over the baked copy so code/CMake edits apply immediately, and
# persists /OrcaSlicer/build in a named volume so ninja recompiles only what changed.
#
# Result: edit -> rebuild in seconds-to-minutes instead of a full Docker rebuild.
#
# Usage (run on the build host, e.g. behemoth, from anywhere):
# scripts/CAD/build-gui-incremental.sh
# IMAGE=orcacad-deps scripts/CAD/build-gui-incremental.sh
#
# On success the binary is inside the persistent volume at
# /OrcaSlicer/build/package/bin/orca-slicer (copy it out with a follow-up
# `docker run --rm -v orcacad_buildcache:/b alpine cp ...` or via this script's tail).
# Rig build traps already paid for once each (stale project, NLopt cache, pybind11, OCCT_LIBS, SLIC3R_CAD gate): docs/rig_build_traps.md
set -euo pipefail
REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
# orcacad-deps, NOT snaporca-deps: see the note in run-kernel-tests.sh — the wrong image
# fails at CMake configure, not at link time.
IMAGE="${IMAGE:-orcacad-deps}"
BUILD_VOL="${BUILD_VOL:-orcacad_buildcache}"
echo "REPO=$REPO IMAGE=$IMAGE BUILD_VOL=$BUILD_VOL"
# The root CMakeLists.txt and cmake/ must be mounted too, not taken from the baked image:
# they carry the build-time gates (e.g. SLIC3R_CAD -> add_definitions(-DSLIC3R_CAD)) that the
# mounted headers are compiled against. With a stale baked copy the gate silently stays off and
# the build fails with "class GLCanvas3D has no member named set_design_sketch_tool".
#
# build_linux.sh must be mounted for the same reason, and here the stale copy is guaranteed
# wrong rather than merely risky: orcacad-deps is layered on snaporca-deps, so the baked script
# is the OTHER fork's and builds `--target Snapmaker_Orca`. This fork's target is `OrcaSlicer`,
# so without this mount configure succeeds and then ninja dies on "unknown target".
# scripts/ likewise: build_linux.sh's packaging step sources scripts/appimage_lib_policy.sh,
# which the baked snaporca tree does not have, so a fully successful link still exited
# non-zero with "missing AppImage helper" and the binary check never ran.
# ---- OOM guard (2026-08-21) -------------------------------------------------------------
# Two of these builds ran at once on 2026-08-21, each with ninja -j$(nproc)=16: ~36 cc1plus
# holding 42 GB of a 62 GB box -> global OOM at 21:05, a 2h28m kill storm, ssh unreachable,
# lightdm destroyed. Neither build produced a single object. scripts/CAD/build-gui.sh grew the
# bounds first; every script that starts a compile needs the same three, or the guard is only
# as strong as the script you happened not to use.
# flock — the lock path is SHARED with build-gui.sh and the other fork on purpose, so
# concurrent builds serialise instead of summing.
# -j — bounded parallelism; ~1.17 GB per cc1plus was the measured average.
# --memory — the actual guarantee: a runaway build dies in its own cgroup instead of taking
# the host down. --memory-swap equal to --memory forbids swap, which is what made
# ssh hang.
JOBS="${JOBS:-12}"
MEM="${MEM:-40g}"
LOCK=/tmp/orca-rig-build.lock
exec 9>"$LOCK"
if ! flock -n 9; then
echo "another build holds $LOCK — waiting (this is the OOM guard, not a hang)"
flock 9
fi
docker run --rm \
--memory="$MEM" --memory-swap="$MEM" \
-v "$REPO/src":/OrcaSlicer/src \
-v "$REPO/resources":/OrcaSlicer/resources \
-v "$REPO/CMakeLists.txt":/OrcaSlicer/CMakeLists.txt \
-v "$REPO/cmake":/OrcaSlicer/cmake \
-v "$REPO/deps_src":/OrcaSlicer/deps_src \
-v "$REPO/build_linux.sh":/OrcaSlicer/build_linux.sh \
-v "$REPO/scripts":/OrcaSlicer/scripts \
-v "$BUILD_VOL":/OrcaSlicer/build \
"$IMAGE" \
bash -lc "cd /OrcaSlicer && ./build_linux.sh -sr -j $JOBS"
# src/CMakeLists.txt:151 renames the OrcaSlicer target's output to "orca-slicer" — not
# "snapmaker-orca", which is the other fork's binary name.
echo "=== build finished; checking for binary ==="
docker run --rm -v "$BUILD_VOL":/b "$IMAGE" \
bash -lc 'ls -lh /b/package/bin/orca-slicer 2>/dev/null && file /b/package/bin/orca-slicer || echo "NO BINARY"'