mirror of
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8246aa5538
Get this thing going..
<!-- greptile_comment -->
<!-- greptile_summary -->
<h2><a
href="https://app.greptile.com/api/retrigger?id=63134761"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://greptile-static-assets.s3.amazonaws.com/badges/RetriggerDark.svg?v=1"><source
media="(prefers-color-scheme: light)"
srcset="https://greptile-static-assets.s3.amazonaws.com/badges/Retrigger.svg?v=1"><img
alt="Retrigger"
src="https://greptile-static-assets.s3.amazonaws.com/badges/Retrigger.svg?v=1"
align="right"></picture></a>Confidence Score: 5/5</h2>
The PR appears safe to merge; all previous findings are resolved and the
latest readiness change introduces no established actionable regression.
<h3>Summary</h3>
- Establishes required guest filesystems, runtime directories, device
permissions, and service processes.
- Reports initialization and service deaths over the lifecycle channel.
- Supports launch, restart, and shutdown commands for a resident guest.
- Separates service and workload identities and configures per-launch
runtime environments.
- Removes the currently inactive nescope screenshot option and makes
capture-chain verification fail explicitly when compositor readback is
unavailable.
- Reworks the guest image around `nesinit` as PID 1 without a
distribution service manager.
<h3>Diagram</h3>
```mermaid
sequenceDiagram
participant Host
participant Init as nesinit
participant FS as Guest filesystems
participant Services as Service stack
participant Workload
Init->>Host: Ready(protocol version)
Host->>Init: Boot(mount descriptors)
Init->>FS: Establish and mount shares
Init->>Services: Spawn services in order
Services-->>Init: Required sockets ready
Init->>Host: Initialized(service names)
Host->>Init: Launch(id, exec, on_exit)
Init->>Workload: Spawn with isolated UID/runtime
Init->>Host: Started(id)
Workload-->>Init: Exit status
Init->>Host: WorkloadExited(id, status)
Host->>Init: Launch / Restart / Shutdown
```
<sub>Reviews (4) · Last reviewed commit: ["fix(nesinit): readiness is a
socket
that..."](731d34df9d)</sub>
<!-- /greptile_comment -->
---------
Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
97 lines
4.3 KiB
Bash
Executable File
97 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Builds proton-cachyos from the tree proton-fetch.sh laid down. Container-only.
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#
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# The one thing that matters here is --enable-wow64: it builds wine so that
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# 32-bit Windows code runs inside a 64-bit unix process, thunking down to the
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# 64-bit host libraries. Without it, Proton needs a complete 32-bit host stack —
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# lib32 glibc, a second Mesa built for i686, and a second nescapture layer,
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# because a 32-bit game would load the 32-bit Vulkan loader and our 64-bit
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# capture layer would be invisible to it. With it, none of that exists.
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#
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# The cost is that the distro package cannot be used: proton-cachyos-native is
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# packaged without the flag, which is exactly why it depends on lib32-*.
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set -euo pipefail
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: "${GECKO_VER:?}"
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: "${MONO_VER:?}"
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JOBS="${JOBS:-$(nproc)}"
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BUILD_NAME="proton-cachyos"
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SRC_DIR="/build/proton-cachyos"
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BUILD_DIR="/build/build"
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OUT_DIR="/artifacts/proton/usr/share/steam/compatibilitytools.d/${BUILD_NAME}"
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[[ -d "${SRC_DIR}" ]] || { echo "no source tree — proton-fetch.sh did not run"; exit 1; }
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# ── Toolchain wrappers ──────────────────────────────────
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# Proton's build calls the compiler by GNU triplet. Arch's gcc does not install
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# under those names, so stand in for them. The i686 set is generated too: with
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# wow64 nothing should reach for it, and if something does, failing on a missing
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# 32-bit header beats silently building a 32-bit unix library we then have to
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# ship libraries for.
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WRAP=/build/wrappers
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rm -rf "$WRAP" && mkdir -p "$WRAP"
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_wrappers() {
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local arch="$1" gccflag="$2" ldflag="$3" asflag="$4" stripfmt="$5"
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local l t
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for l in ar ranlib nm; do
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ln -sf "/usr/bin/gcc-${l}" "${WRAP}/${arch}-pc-linux-gnu-${l}"
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done
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for t in gcc g++; do
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printf '#!/usr/bin/bash\n/usr/bin/%s %s "$@"\n' "$t" "$gccflag" \
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> "${WRAP}/${arch}-pc-linux-gnu-${t}"
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chmod 755 "${WRAP}/${arch}-pc-linux-gnu-${t}"
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done
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printf '#!/usr/bin/bash\n/usr/bin/ld %s "$@"\n' "$ldflag" > "${WRAP}/${arch}-pc-linux-gnu-ld"
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printf '#!/usr/bin/bash\n/usr/bin/as %s "$@"\n' "$asflag" > "${WRAP}/${arch}-pc-linux-gnu-as"
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printf '#!/usr/bin/bash\n/usr/bin/strip -F %s "$@"\n' "$stripfmt" > "${WRAP}/${arch}-pc-linux-gnu-strip"
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chmod 755 "${WRAP}/${arch}-pc-linux-gnu-"{ld,as,strip}
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}
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_wrappers x86_64 "-m64" "-melf_x86_64" "--64" "elf64-x86-64"
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_wrappers i686 "-m32" "-melf_i386" "--32" "elf32-i386"
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export PATH="${WRAP}:${PATH}"
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# ── Build ───────────────────────────────────────────────
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# -march=nocona matches the distro packaging: Proton has to run on whatever CPU
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# the guest is given, and the VMM does not promise a feature level.
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export CFLAGS="-O3 -march=nocona -mtune=core-avx2"
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export CXXFLAGS="${CFLAGS}"
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export RUSTFLAGS="-C opt-level=3 -C target-cpu=nocona"
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export LDFLAGS="-Wl,-O1,--sort-common,--as-needed"
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export RUSTUP_TOOLCHAIN=stable
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mkdir -p "${BUILD_DIR}"
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cd "${BUILD_DIR}"
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ROOTLESS_CONTAINER="" \
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"${SRC_DIR}/configure.sh" \
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--container-engine="none" \
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--proton-sdk-image="" \
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--build-name="${BUILD_NAME}" \
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--without-extras=all \
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--without-vklayers=all \
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--without-steamrt-depends \
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--without-tts \
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--without-nvidia-libs \
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--enable-wow64
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# The top-level make is serial by design; SUBJOBS is what it hands to each
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# component's build.
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SUBJOBS="${JOBS}" make -j1 dist
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# ── Install ─────────────────────────────────────────────
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mkdir -p "${OUT_DIR}"
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cp -a "${BUILD_DIR}/dist/." "${OUT_DIR}/"
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# Debug symbols in the bundled PE runtimes are dead weight in a guest image.
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cd "${OUT_DIR}/files"
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find "share/wine/gecko/wine-gecko-${GECKO_VER}-x86" -name '*.dll' -o -name '*.exe' 2>/dev/null \
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| xargs -r i686-w64-mingw32-strip --strip-debug 2>/dev/null || true
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find "share/wine/gecko/wine-gecko-${GECKO_VER}-x86_64" -name '*.dll' -o -name '*.exe' 2>/dev/null \
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| xargs -r x86_64-w64-mingw32-strip --strip-debug 2>/dev/null || true
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find "share/wine/mono/wine-mono-${MONO_VER}" -name '*.dll' -o -name '*.exe' 2>/dev/null \
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| xargs -r i686-w64-mingw32-strip --strip-debug 2>/dev/null || true
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rm -rf "${BUILD_DIR}"
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echo "proton: installed to ${OUT_DIR}"
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