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Containers

Sources for the toolchain images, one directory per image. Image name: multimc/toolchains/<directory>:dev. Each directory has a Dockerfile, its inputs and a README with how it was made and verified.

Kind: preserved means made from what was on the old machines, kept on purpose for compatibility (Windows XP, old macOS, old glibc) and not to be replaced; primary means built from upstream sources and pinned inputs.

Directory Image for Kind Made from
linux-x64/ lin64 preserved the deth001 snapshot image, unchanged (Ubuntu 14.04, glibc 2.19, g++-5, Qt 5.6.3 from a PPA); can't be rebuilt from its recipe
linux-x32/ lin32 preserved, one primary input the deth001 snapshot image (i386) + CMake 3.10.0 built from cmake.org's source
windows-win32/ win32 preserved toolchain on a primary base Arch pinned by digest + Arch Linux Archive snapshot; GE-Proton10-15 copied as-is from the prototype; the Win7 VM's Tools/ (Qt 5.6.3, MinGW 4.9.2, CMake 3.20.1, MSVC dumpbin/link, OpenSSL 1.0, JDK 8u112), hash-verified against the VM disk
macos-osx64/ osx64-5.15.2 preserved SDK and Qt on a primary base Debian pinned by digest, osxcross pinned by commit, qtbase 5.15.2 source, Temurin JDK 8; the macmini's SDK 11.1 (Xcode 12.4) and Qt 5.15.2 clang_64; can't be published (Apple's SDK), but anyone can build it from Xcode 12.4 and Qt's own archives
translations/ the translations repo's tooling primary Debian pinned by digest + Qt 5.15.2 qtbase/qttools source
deployer/ hopper's deploy and publish steps primary Debian 12 (python3) + rclone 1.75.2 from rclone.org + repoman2 4ce9a73; until 2026-10-30 the deth001 snapshot image + upstream rclone

Images used without a directory here, straight from ../snapshots/2026-10-21-deth001/images:

Snapshot image Status
toolchains-site (Hugo 0.31.1) in use, preserved: hopper's website/build.py runs ghcr.io/multimc/toolchains/site:latest (IMAGE_SITE). A candidate for a primary rebuild, as Hugo is a single upstream binary.
toolchains-windows unused (an experiment, never pushed)

What the images contain

Toolchains only: no build steps, no entrypoint. The build steps are in hopper's build/, and its run-build.py runs every platform the same way (hopper):

docker run --rm --network none -u <uid>:<gid> \
    -v <source>:/src:ro -v <output>:/out -v hopper/build:/build:ro <settings> \
    <image> bash /build/<platform script>

So a change to the build steps never needs an image rebuild; images change only when a toolchain does.

archive/

docker save of the built images, zstd-compressed (not in git; SHA256SUMS is). Load with zstd -dc <name>.tar.zst | docker load. The fallback if an image can't be rebuilt (e.g. osxcross fetches its own dependencies from GitHub during the build).

File Image
linux-x32.tar.zst multimc/toolchains/linux-x32:dev
windows-win32.tar.zst multimc/toolchains/windows-win32:dev
macos-osx64.tar.zst multimc/toolchains/macos-osx64:dev
translations.tar.zst multimc/toolchains/translations:dev (also running on deth001)
linux-x32-teamcity.tar.zst ghcr.io/multimc/toolchains/linux-x32:cmake-3.10.0, the hand-made fix TeamCity's Linux32 build uses on deth001 until the cutover

linux-x64 isn't archived separately: it is the snapshot image.