Walk the player's path as a player, and fix what that found #41

Workflow file for this run

	name: ci

	on:
	push:
	branches: [main]
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	concurrency:
	group: ci-${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	go:
	name: Go core
	runs-on: ubuntu-latest
	timeout-minutes: 15
	steps:
	- name: Check out source
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	persist-credentials: false
	- name: Set up Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: '1.23.12'
	cache: true
	- name: Check formatting
	shell: bash
	run: \|
	mapfile -d '' go_files < <(find . -type f -name '*.go' -print0)
	unformatted="$(gofmt -l "${go_files[@]}")"
	test -z "$unformatted" \|\| { printf '%s\n' "$unformatted"; exit 1; }
	- name: Check committed canonical fixtures
	run: go run ./cmd/mcjava-fixtures
	- name: Check the documented baseline against the build files
	run: ./scripts/check-documented-versions.sh
	# Both of these ran only when a tag was pushed, which is the worst moment
	# to learn that a packaged document points at something the package does
	# not have. They are cheap, so they run on every push instead.
	- name: Check every packaged link resolves inside the package
	run: ./scripts/check-packaged-links.sh
	- name: Check the packaged documents only invoke commands the release builds
	run: ./scripts/check-packaged-commands.sh
	- name: Test
	run: go test -count=1 ./...
	- name: Vet
	run: go vet ./...
	- name: Race test
	run: go test -race -count=1 ./...
	# desktop/ is its own module so that the archive core keeps having no
	# dependencies at all. The cost is that ./... at the root does not reach
	# it: without these steps its code would be neither built nor tested here,
	# and would break silently.
	- name: Test the desktop application
	working-directory: desktop
	run: \|
	test -z "$(gofmt -l .)" \|\| { gofmt -l .; exit 1; }
	go vet ./...
	go test -count=1 ./...
	- name: Build the commands the release ships
	run: \|
	go build -trimpath -o "${RUNNER_TEMP}/worldledger" ./cmd/worldledger
	go build -trimpath -o "${RUNNER_TEMP}/mcprofile" ./cmd/mcprofile
	- name: Build the desktop application
	working-directory: desktop
	run: go build -trimpath -o "${RUNNER_TEMP}/worldledger-desktop" .

	go-windows:
	name: Go core (Windows)
	runs-on: windows-latest
	timeout-minutes: 15
	steps:
	- name: Check out source
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	persist-credentials: false
	- name: Set up Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: '1.23.12'
	cache: true
	- name: Check committed canonical fixtures
	run: go run ./cmd/mcjava-fixtures
	- name: Test Windows paths and locking
	run: go test -count=1 ./...
	- name: Vet
	run: go vet ./...
	# Windows is where the desktop application is aimed first, so its tests
	# run on the platform whose path handling they are about.
	- name: Test the desktop application
	working-directory: desktop
	run: go test -count=1 ./...
	- name: Build the commands the release ships
	shell: pwsh
	run: \|
	go build -trimpath -o "$env:RUNNER_TEMP\worldledger.exe" ./cmd/worldledger
	go build -trimpath -o "$env:RUNNER_TEMP\mcprofile.exe" ./cmd/mcprofile
	# A separate module cannot be built from the parent by relative path, so
	# this runs where its go.mod is.
	- name: Build the desktop application
	working-directory: desktop
	shell: pwsh
	run: go build -trimpath -o "$env:RUNNER_TEMP\worldledger-desktop.exe" .

	fabric:
	name: Fabric 26.2 adapter
	runs-on: ubuntu-latest
	timeout-minutes: 20
	steps:
	- name: Check out source
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	persist-credentials: false
	- name: Set up Java 25
	uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
	with:
	distribution: temurin
	java-version: '25'
	- name: Validate wrapper and set up Gradle
	uses: gradle/actions/setup-gradle@9c971963bec38e04b3d30dcc455b5382be2fdbfb # v6.3.0
	with:
	cache-provider: basic
	- name: Clean build with all warnings
	working-directory: adapters/fabric
	run: ./gradlew --no-daemon clean build --warning-mode all

	fabric-gametest:
	name: Fabric 26.2 capture game test
	runs-on: ubuntu-latest
	timeout-minutes: 40
	steps:
	- name: Check out source
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	persist-credentials: false
	- name: Set up Java 25
	uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
	with:
	distribution: temurin
	java-version: '25'
	- name: Validate wrapper and set up Gradle
	uses: gradle/actions/setup-gradle@9c971963bec38e04b3d30dcc455b5382be2fdbfb # v6.3.0
	with:
	cache-provider: basic
	# A runner has no GPU, so the client needs a virtual display and a software
	# OpenGL implementation. Without Mesa it starts and then fails on context
	# creation, which reads as an unrelated crash.
	- name: Install a virtual display and software OpenGL
	run: \|
	sudo apt-get update
	sudo apt-get install -y xvfb libgl1-mesa-dri libglx-mesa0 libxi6 libxcursor1 libxrandr2 libxinerama1 libxxf86vm1 libasound2t64
	# The game test starts a dedicated server, which requires accepting
	# Mojang's EULA: https://aka.ms/MinecraftEULA. Passing the flag here is the
	# repository owner's acceptance for automated runs. The build never
	# accepts it implicitly.
	- name: Set up Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: '1.23.12'
	cache: true
	- name: Run the capture game test
	working-directory: adapters/fabric
	env:
	LIBGL_ALWAYS_SOFTWARE: '1'
	GALLIUM_DRIVER: llvmpipe
	run: xvfb-run -a --server-args="-screen 0 1280x1024x24" ./gradlew --no-daemon runClientGametest -Pworldledger.acceptMinecraftEula=true
	# The fingerprint carries state and component digests only, so it can be
	# compared against a capture from another platform whose instants,
	# contributors, and session identifiers necessarily differ.
	- name: Fingerprint what this platform captured
	run: ./scripts/capture-fingerprint.sh adapters/fabric/build/run-gametest/config/worldledger/spool "${RUNNER_TEMP}/linux-capture-fingerprint.txt"
	- name: Upload the capture fingerprint
	uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
	with:
	name: linux-capture-fingerprint
	path: ${{ runner.temp }}/linux-capture-fingerprint.txt
	retention-days: 30
	# Live as soon as a reference produced on another platform is committed.
	# Until then it reports that the gate is not yet guarding anything, rather
	# than passing silently and reading as though it were.
	- name: Compare against the committed cross-platform reference
	run: \|
	reference=testdata/capture-fingerprint-reference.txt
	if [ ! -f "$reference" ]; then
	echo "no cross-platform reference is committed yet, so this gate is not guarding anything"
	echo "commit one produced on another platform to make it live"
	exit 0
	fi
	go run ./cmd/worldledger fingerprint \
	--file "${RUNNER_TEMP}/linux-capture-fingerprint.txt" --compare "$reference"
	- name: Upload run directory on failure
	if: failure()
	uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
	with:
	name: client-gametest-run
	path: \|
	adapters/fabric/build/run-gametest/logs
	adapters/fabric/build/run-gametest/config/worldledger
	retention-days: 7

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Walk the player's path as a player, and fix what that found #41

Workflow file

Walk the player's path as a player, and fix what that found #41

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Workflow file for this run