mirror of
https://github.com/dockersrc/rust
synced 2026-06-24 14:01:04 -04:00
jason
a6acb207b6
Eliminates QEMU arm64 build (was ~15 hours) by adding a `rust-tools` stage that mirrors the Go image's `go-tools` pattern: runs on the build platform (amd64), cross-compiles or downloads all ~50 Rust tools for the target arch, and activates sccache throughout. Build time for linux/arm64: ~15 hours → ~30–60 minutes. How it works: - `FROM --platform=$BUILDPLATFORM rust:alpine AS rust-tools` runs natively - `cargo binstall --target $RUST_TARGET` fetches GitHub release prebuilts (zero compilation for most tools) - Missing prebuilts fall back to `cargo install --target` using the `aarch64-linux-musl-gcc` cross-toolchain (no QEMU, native speed) - Native (x86_64) sccache installed as RUSTC_WRAPPER so source-compiled tools are cached across Docker rebuilds - `CARGO_INSTALL_ROOT=/rust-tools` keeps tool binaries separate from rustup shims; `COPY --from=rust-tools /rust-tools/bin/` drops them into the build stage before `05-custom.sh` runs Pure-Rust / no-OpenSSL feature flags where possible (CGO=0 equivalent): - `sqlx-cli`: `--features rustls` (was native-tls) - `sea-orm-cli`: `--features runtime-tokio-rustls` (was native-tls default) - `trunk`: already defaults to rustls — no change needed - `probe-rs`: prebuilt if available, silently skipped otherwise (needs libusb) sccache is now active by default in all login shells via profile.d/rust.sh (`RUSTC_WRAPPER=sccache`); opt out with `-e RUSTC_WRAPPER=`. - Dockerfile: add 110-line rust-tools stage with musl cross-toolchain, sccache, cargo-binstall, all tool installs for target arch - Dockerfile: COPY --from=rust-tools before 05-custom.sh RUN step - Dockerfile: set RUSTC_WRAPPER in build stage; drop unused cargo-registry and cargo-git cache mounts (no longer needed there) - rootfs/root/docker/setup/05-custom.sh: remove cargo-binstall bootstrap and all cargo binstall/install blocks; add RUSTC_WRAPPER to profile.d - README.md: document rust-tools stage, native cross-compile architecture, expected build times, sccache-on-by-default, pure-Rust feature flags, updated cache mount ID table Dockerfile README.md rootfs/root/docker/setup/05-custom.sh
229 lines
7.7 KiB
Bash
Executable File
229 lines
7.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck shell=bash
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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##@Version : 202605311104-git
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# @@Author : CasjaysDev
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# @@Contact : CasjaysDev <docker-admin@casjaysdev.pro>
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# @@License : MIT
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# @@Copyright : Copyright 2026 CasjaysDev
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# @@Created : Sun May 31 11:04:50 AM EDT 2026
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# @@File : 05-custom.sh
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# @@Description : Install latest stable Rust toolchain with static-build tooling
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# @@Changelog : newScript
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# @@Other : N/A
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# @@Resource : N/A
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# @@Terminal App : yes
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# @@sudo/root : yes
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# @@Template : templates/dockerfiles/init_scripts/05-custom.sh
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# shellcheck disable=SC1001,SC1003,SC2001,SC2003,SC2016,SC2031,SC2090,SC2115,SC2120,SC2155,SC2199,SC2229,SC2317,SC2329
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Set bash options
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set -o pipefail
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[ "$DEBUGGER" = "on" ] && echo "Enabling debugging" && set -x$DEBUGGER_OPTIONS
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Set env variables
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exitCode=0
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Predefined actions
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Main script
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# Install C/C++ toolchain and static-build dependencies needed by Rust -sys crates
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pkmgr install build-base musl-dev clang clang-dev llvm-dev lld cmake make perl openssl-dev openssl-libs-static pkgconf gdb
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# Install cross-compile toolchains — failures are non-fatal on minimal mirrors
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pkmgr install mingw-w64-gcc || true
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# Install zig for cargo-zigbuild (C-dep cross-compilation without a sysroot)
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pkmgr install zig || true
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# Install binaryen (wasm-opt) for WASM size optimisation tooling
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pkmgr install binaryen || true
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# Install Linux perf — required by flamegraph and samply to record profiles;
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# non-fatal because availability depends on the host kernel and Alpine mirror
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pkmgr install perf || true
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# rustup paths — match the official rust:alpine convention so existing
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# workflows work unchanged; volumes are declared at these paths in the Dockerfile
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export RUSTUP_HOME="/usr/local/share/rustup"
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export CARGO_HOME="/usr/local/share/cargo"
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export PATH="$CARGO_HOME/bin:$PATH"
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mkdir -p "$RUSTUP_HOME" "$CARGO_HOME/bin"
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Download the architecture-appropriate rustup-init and verify its SHA256
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# before executing — this is the only thing that ever touches rust-lang.org
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# directly; all subsequent installs go through rustup or cargo-binstall
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RUSTUP_ARCH="$(uname -m)-unknown-linux-musl"
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RUSTUP_URL="https://static.rust-lang.org/rustup/dist/${RUSTUP_ARCH}/rustup-init"
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curl -sSfL "$RUSTUP_URL" -o /tmp/rustup-init
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curl -sSfL "${RUSTUP_URL}.sha256" -o /tmp/rustup-init.sha256
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EXPECTED_SHA="$(awk '{print $1}' /tmp/rustup-init.sha256)"
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ACTUAL_SHA="$(sha256sum /tmp/rustup-init | awk '{print $1}')"
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[ "$EXPECTED_SHA" = "$ACTUAL_SHA" ] || {
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echo "rustup-init SHA256 mismatch: expected $EXPECTED_SHA got $ACTUAL_SHA" >&2
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exit 1
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}
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chmod +x /tmp/rustup-init
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# Install the latest stable toolchain; --profile default includes rustfmt and clippy
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/tmp/rustup-init -y --no-modify-path \
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--default-toolchain stable \
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--profile default
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rm -f /tmp/rustup-init /tmp/rustup-init.sha256
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# Add components not included in the default profile
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rustup component add rust-src rust-analyzer llvm-tools-preview
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# Nightly toolchain for miri and other unstable tooling; minimal profile
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# keeps the download small — only the compiler and std/src are pulled in
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rustup toolchain install nightly --profile minimal --component miri --component rust-src
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Cross-compile targets — Linux musl (fully static, no libc dependency)
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rustup target add \
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x86_64-unknown-linux-musl \
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aarch64-unknown-linux-musl \
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i686-unknown-linux-musl \
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armv7-unknown-linux-musleabihf \
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riscv64gc-unknown-linux-musl
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# Cross-compile targets — Linux glibc
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rustup target add \
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x86_64-unknown-linux-gnu \
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aarch64-unknown-linux-gnu \
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i686-unknown-linux-gnu \
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armv7-unknown-linux-gnueabihf \
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arm-unknown-linux-gnueabi \
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riscv64gc-unknown-linux-gnu \
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powerpc64le-unknown-linux-gnu \
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s390x-unknown-linux-gnu
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# Cross-compile targets — Windows GNU ABI (MSVC ABI is not supported)
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rustup target add \
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x86_64-pc-windows-gnu \
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i686-pc-windows-gnu \
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aarch64-pc-windows-gnullvm
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# Cross-compile targets — macOS (pure-Rust only; Apple SDK not bundled)
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rustup target add \
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x86_64-apple-darwin \
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aarch64-apple-darwin
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# Cross-compile targets — BSD
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rustup target add \
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x86_64-unknown-freebsd
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# Cross-compile targets — WebAssembly
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rustup target add \
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wasm32-unknown-unknown \
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wasm32-wasip1 \
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wasm32-wasip2 \
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wasm32-unknown-emscripten
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# Cross-compile targets — Embedded ARM (require no_std source)
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rustup target add \
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thumbv6m-none-eabi \
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thumbv7em-none-eabihf \
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thumbv8m.main-none-eabi
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# Cross-compile targets — Embedded RISC-V (require no_std source)
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rustup target add \
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riscv32imc-unknown-none-elf \
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riscv32imac-unknown-none-elf
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# Cross-compile targets — Android
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rustup target add \
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aarch64-linux-android
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# All Rust tool binaries (cargo-edit, cargo-deny, sqlx-cli, sea-orm-cli, probe-rs,
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# sccache, etc.) are compiled natively in the Dockerfile's rust-tools stage and
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# copied to $CARGO_HOME/bin before this script runs — no cargo install here.
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# The symlink loop below picks them all up.
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Linker configuration for cross-compilation targets.
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# rust-lld handles ARM/RISC-V/embedded; mingw-w64 gcc handles Windows GNU.
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mkdir -p "$CARGO_HOME"
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cat > "$CARGO_HOME/config.toml" << 'CARGOCONFIG'
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[target.aarch64-unknown-linux-musl]
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linker = "rust-lld"
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[target.armv7-unknown-linux-musleabihf]
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linker = "rust-lld"
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[target.armv7-unknown-linux-gnueabihf]
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linker = "rust-lld"
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[target.arm-unknown-linux-gnueabi]
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linker = "rust-lld"
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[target.thumbv6m-none-eabi]
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linker = "rust-lld"
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[target.thumbv7em-none-eabihf]
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linker = "rust-lld"
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[target.thumbv8m.main-none-eabi]
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linker = "rust-lld"
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[target.riscv32imc-unknown-none-elf]
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linker = "rust-lld"
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[target.riscv32imac-unknown-none-elf]
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linker = "rust-lld"
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[target.x86_64-pc-windows-gnu]
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linker = "x86_64-w64-mingw32-gcc"
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ar = "x86_64-w64-mingw32-ar"
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[target.i686-pc-windows-gnu]
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linker = "i686-w64-mingw32-gcc"
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ar = "i686-w64-mingw32-ar"
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CARGOCONFIG
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Symlink every cargo/bin tool into /usr/local/bin so they are reachable
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# without a login shell — the Dockerfile's PATH includes /usr/local/bin
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for bin_file in "$CARGO_HOME/bin"/*; do
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[ -x "$bin_file" ] || continue
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ln -sf "$bin_file" "/usr/local/bin/${bin_file##*/}"
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done
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# Home-relative symlinks expected by rustup, cargo, and most documentation
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ln -sf "$CARGO_HOME" "/root/.cargo"
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ln -sf "$RUSTUP_HOME" "/root/.rustup"
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# Profile.d entry so login shells get the full environment
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cat > /etc/profile.d/rust.sh << PROFILE
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export RUSTUP_HOME="${RUSTUP_HOME}"
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export CARGO_HOME="${CARGO_HOME}"
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export RUSTUP_TOOLCHAIN="stable"
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export PATH="${CARGO_HOME}/bin:\${PATH}"
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export SCCACHE_DIR="\${SCCACHE_DIR:-/root/.cache/sccache}"
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export RUSTC_WRAPPER="\${RUSTC_WRAPPER:-sccache}"
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export CARGO_INCREMENTAL="\${CARGO_INCREMENTAL:-0}"
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PROFILE
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# Work directories mounted or referenced in the README
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mkdir -p /app /work /root/app /root/project /data/build /root/.cache/sccache
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# Set the exit code
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exitCode=$?
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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exit $exitCode
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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# ex: ts=2 sw=2 et filetype=sh
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# - - - - - - - - - - - - - - - - - - - - - - - - -
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