.config/mill-version

@@ -1 +1 @@
-0.12.2
+0.12.9-3-a942e8-native

.editorconfig

@@ -13,3 +13,16 @@ insert_final_newline = true
 charset = utf-8
 indent_style = space
 indent_size = 2
+
+[*.{kt,kts}]
+ktlint_code_style = intellij_idea
+ktlint_standard_no-wildcard-imports = disabled
+
+[example/kotlinlib/linting/**/*]
+ktlint = disabled
+
+[kotlinlib/test/resources/contrib/ktfmt/**/*]
+ktlint = disabled
+
+[kotlinlib/test/resources/kotlin-js/foo/test/src/foo/**/*]
+ktlint = disabled

.git-blame-ignore-revs

@@ -53,3 +53,5 @@ ceef92f5d6f3d4066564d41b5165351df7cb5fbb
 # Format more code
 39e36746ce8b5a254e0c276bc3cdbff9842d1224
 
+# Format more code
+3e2f5814b4524792c2c540599cddbd4e58240aad

.github/ISSUE_TEMPLATE.md

@@ -1,4 +1,7 @@
-Please don't open issues for questions, but ask in our Discussions forum at https://github.com/com-lihaoyi/mill/discussions or Discord channel at https://discord.gg/xJCYRVMS
+Please don't open issues for questions, but ask in our Discussions forum at https://github.com/com-lihaoyi/mill/discussions
 
 Mill installations via `coursier` or `cs` are unsupported.
 
+Please open all PRs as drafts to avoid being bottlenecked by Mill CI, and only
+convert to ready for review once CI on your own fork is green. There will be a 
+PR status check linking your fork's commit/CI history for convenient viewing 

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,4 @@
+Please open all PRs as drafts and ensure that your fork of Mill has 
+`settings/actions` / `Allow all actions and reusable workflows` enabled to run CI on
+your own fork of the Mill repo. Only once CI passes mark the PR as `Ready for review`
+and CI will run on the main Mill repo before we merge it.

.github/actions/post-build-selective/action.yml

@@ -0,0 +1,54 @@
+# action.yml
+inputs:
+  millargs:
+    default: ''
+    type: string
+
+  shell:
+    required: true
+    type: string
+
+  coursierarchive:
+    default: ''
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/setup-node@v4
+      with: { node-version: '22' }
+
+    - run: cat .mill-jvm-version
+      shell: ${{ inputs.shell }}
+
+    - run: ./mill -i -k selective.resolve ${{ inputs.millargs }}
+      shell: ${{ inputs.shell }}
+
+    # This generates a lot of logs and slows down the github actions UI like crazy, 
+    # so only uncomment it when really necessary
+    #- run: cat out/mill-build/codeSignatures.dest/current/spanningInvalidationTree.json
+    #  shell: bash
+
+    - run: ./mill -i -k selective.resolveTree ${{ inputs.millargs }}
+      shell: ${{ inputs.shell }}
+
+    # Comment this out because it can be very verbose when broad codesig
+    # invalidation results in all tasks being counted as changed inputs
+    #- run: ./mill -i -k selective.resolveChanged ${{ inputs.millargs }}
+    #  shell: ${{ inputs.shell }}
+
+    - run: ./mill -i -k selective.run ${{ inputs.millargs }}
+      env:
+        COURSIER_ARCHIVE_CACHE: ${{ inputs.coursierarchive }}
+      shell: ${{ inputs.shell }}
+
+    - name: Publish Test Report
+      uses: mikepenz/action-junit-report@v5
+      if: always() # always run even if the previous step fails
+      with:
+        fail_on_failure: false
+        include_passed: false
+        detailed_summary: true
+        annotate_only: true
+        require_tests: false
+        report_paths: 'out/**/test-report.xml'

.github/actions/post-build-setup/action.yml

@@ -0,0 +1,38 @@
+# action.yml
+inputs:
+  java-version:
+    required: true
+    type: string
+
+  timeout-minutes:
+    default: 60
+    type: number
+
+  os:
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    - run: echo temurin:${{ inputs.java-version }} > .mill-jvm-version
+      shell: bash
+
+    # Need to fix cached artifact file permissions because github actions screws it up
+    # https://github.com/actions/upload-artifact/issues/38
+    - run: "chmod -R 777 ."
+      shell: bash
+
+    - run: git config --global user.email "you@example.com"
+      shell: bash
+
+    - run: git config --global user.name "Your Name"
+      shell: bash
+
+    - uses: actions/download-artifact@v4
+      with:
+        path: out/mill-selective-execution
+        name: ${{ inputs.os }}-selective-execution-artifact
+
+    - run: mv out/mill-selective-execution/mill-selective-execution.json out/mill-selective-execution.json
+      shell: bash
+

.github/actions/pre-build-setup/action.yml

@@ -0,0 +1,68 @@
+# action.yml
+inputs:
+  java-version:
+    required: true
+    type: string
+
+  shell:
+    required: true
+    type: string
+
+  prepareargs:
+    default: "__"
+    type: string
+
+  os:
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    # For normal PR jobs, just checkout the base_ref the PR is against
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.base_ref }}
+      if: ${{ !(github.event_name == 'push' && github.repository != 'com-lihaoyi/mill') }}
+
+    # For fork push jobs, first checkout the version being pushed, then look for the
+    # merge-base where the current version forks off from the upstream main branch
+    - uses: actions/checkout@v4
+      with: { fetch-depth: 0 }
+      if: ${{ github.event_name == 'push' && github.repository != 'com-lihaoyi/mill' }}
+
+    - run: |
+        git fetch https://github.com/com-lihaoyi/mill main
+        MERGE_BASE=$(git merge-base FETCH_HEAD HEAD)
+        # pretty-print the path between the FETCH_HEAD (main), HEAD, and the merge-base
+        git log --graph --pretty=format:"%h %d %ar %s %n" --ancestry-path $MERGE_BASE^1..HEAD --ancestry-path $MERGE_BASE^1..FETCH_HEAD
+
+        git checkout $MERGE_BASE
+      shell: bash
+      if: ${{ github.event_name == 'push' && github.repository != 'com-lihaoyi/mill' }}
+
+    - run: echo temurin:${{ inputs.java-version }} > .mill-jvm-version
+      shell: bash
+
+    - run: chmod -R 777 . # normalize permissions before and after upload/download-artifact
+      shell: bash
+
+    - run: mkdir out && touch out/mill-selective-execution.json
+      shell: bash
+
+    - run: cat .mill-jvm-version
+      shell: bash
+
+    - run: ./mill -i -k selective.prepare ${{ inputs.prepareargs }}
+      if: ${{ (github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'run-all-tests')) || github.repository != 'com-lihaoyi/mill' }}
+      shell: ${{ inputs.shell }}
+
+    - uses: actions/upload-artifact@v4.6.0
+      with:
+        path: out/mill-selective-execution.json
+        name: ${{ inputs.os }}-selective-execution-artifact
+        include-hidden-files: true
+
+    - uses: actions/checkout@v4
+
+    - run: echo temurin:${{ inputs.java-version }} > .mill-jvm-version
+      shell: bash

.github/actions/setup-android/action.yml

@@ -0,0 +1,27 @@
+# action.yml
+
+runs:
+  using: "composite"
+  steps:
+    - uses: android-actions/setup-android@v3
+      with:
+        log-accepted-android-sdk-licenses: false
+        cmdline-tools-version: 11076708
+        packages: tools platform-tools emulator system-images;android-35;google_apis_playstore;x86_64
+
+    - name: Enable KVM group perms
+      run: |
+        echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+        sudo udevadm control --reload-rules
+        sudo udevadm trigger --name-match=kvm
+      shell: bash
+
+    - name: Cleanup any previous avd's to avoid signing key conflicts
+      run: rm -rf /home/runner/.config/.android/avd
+      shell: bash
+
+
+    - name: Set AVD environment variable globally
+      run: echo "ANDROID_AVD_HOME=/home/runner/.config/.android/avd" >> $GITHUB_ENV
+      shell: bash
+

.github/workflows/autofix.yml

@@ -0,0 +1,16 @@
+name: 'autofix.ci'
+on:
+  pull_request:
+jobs:
+  autofix:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: sbt/setup-sbt@v1
+
+      - run: |
+          ./mill __.fix + mill.javalib.palantirformat.PalantirFormatModule/ + mill.scalalib.scalafmt.ScalafmtModule/ + mill.kotlinlib.ktlint.KtlintModule/
+          ./mill --meta-level 1 mill.scalalib.scalafmt.ScalafmtModule/
+
+      - uses: autofix-ci/action@551dded8c6cc8a1054039c8bc0b8b48c51dfc6ef

.github/workflows/draft-ci.yml

@@ -0,0 +1,31 @@
+name: Draft CI
+
+permissions: write-all
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    permissions: write-all
+    steps:
+      # We want to always create a status, even if the PR is not a draft, so that  
+      # if there was a previous `pending` draft status it can get over-written by a
+      # `success` when it is ready for review
+      - run: |
+          curl --request POST \
+          --url ${{ github.event.pull_request.statuses_url }} \
+          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+          --header 'content-type: application/json' \
+          --data '{
+            "state": "${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && 'pending' || 'success'}}",
+            "context": "Draft CI",
+            "target_url": ${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && format('"{0}/commits/{1}"', github.event.pull_request.head.repo.html_url, github.event.pull_request.head.ref) || 'null'}},
+            "description": "${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && 'use CI on your repo fork (link on right) until this PR is ready for review' || 'PR is ready for review, running CI in Mill repo'}}"
+            }' \
+          --fail-with-body

.github/workflows/post-build-raw.yml

@@ -0,0 +1,34 @@
+name: post-build-raw
+on:
+  workflow_call:
+    inputs:
+      buildcmd:
+        default: ''
+        type: string
+      java-version:
+        required: true
+        type: string
+      os:
+        default: 'ubuntu-latest'
+        type: string
+      timeout-minutes:
+        default: 60
+        type: number
+
+jobs:
+  run:
+    runs-on: ${{ inputs.os }}
+    continue-on-error: false
+    timeout-minutes: ${{ inputs.timeout-minutes }}
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: .
+          name: ${{ inputs.os }}-artifact
+
+      - uses: ./.github/actions/post-build-setup
+        with:
+          java-version: ${{ inputs.java-version }}
+          os: ${{ inputs.os }}
+
+      - run: ${{ inputs.buildcmd }}

.github/workflows/post-build-selective.yml

@@ -0,0 +1,63 @@
+name: post-build-selective
+on:
+  workflow_call:
+    inputs:
+      millargs:
+        default: ''
+        type: string
+
+      shell:
+        required: true
+        type: string
+
+      coursierarchive:
+        default: "/tmp"
+        required: false
+        type: string
+      java-version:
+        required: true
+        type: string
+      os:
+        default: 'ubuntu-latest'
+        type: string
+      timeout-minutes:
+        default: 60
+        type: number
+      install-android-sdk:
+        default: false
+        type: boolean
+      install-sbt:
+        default: false
+        type: boolean
+
+jobs:
+  run:
+    runs-on: ${{ inputs.os }}
+    continue-on-error: false
+    timeout-minutes: ${{ inputs.timeout-minutes }}
+    steps:
+      - uses: coursier/cache-action@v6
+
+      - uses: actions/download-artifact@v4
+        with:
+          path: .
+          name: ${{ inputs.os }}-artifact
+
+      - uses: ./.github/actions/post-build-setup
+        with:
+          java-version: ${{ inputs.java-version }}
+          os: ${{ inputs.os }}
+
+      - uses: ./.github/actions/setup-android
+        if: ${{ inputs.install-android-sdk }}
+
+      - uses: sbt/setup-sbt@v1
+        if: ${{ inputs.install-sbt }}
+
+      - uses: ./.github/actions/post-build-selective
+
+        with:
+          millargs: ${{ inputs.millargs }}
+          coursierarchive: ${{ inputs.coursierarchive }}
+          install-android-sdk: ${{ inputs.install-android-sdk }}
+          shell: ${{ inputs.shell }}