Bootstrap

.github/workflows/ci.yml

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+# This file was automatically generated by sbt-github-actions using the
+# githubWorkflowGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# change your sbt build configuration to revise the workflow description
+# to meet your needs, then regenerate this file.
+
+name: Continuous Integration
+
+on:
+  pull_request:
+    branches: ['**']
+  push:
+    branches: ['**']
+    tags: [v*]
+
+env:
+  PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+  SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+  SONATYPE_CREDENTIAL_HOST: ${{ secrets.SONATYPE_CREDENTIAL_HOST }}
+  SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+  PGP_SECRET: ${{ secrets.PGP_SECRET }}
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  build:
+    name: Build and Test
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.12.15, 2.13.8]
+        java: [temurin@8, temurin@11, temurin@17]
+        exclude:
+          - scala: 2.12.15
+            java: temurin@11
+          - scala: 2.12.15
+            java: temurin@17
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Download Java (temurin@8)
+        id: download-java-temurin-8
+        if: matrix.java == 'temurin@8'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 8
+          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+
+      - name: Download Java (temurin@11)
+        id: download-java-temurin-11
+        if: matrix.java == 'temurin@11'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Setup Java (temurin@11)
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 11
+          jdkFile: ${{ steps.download-java-temurin-11.outputs.jdkFile }}
+
+      - name: Download Java (temurin@17)
+        id: download-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 17
+          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - name: Check that workflows are up to date
+        run: sbt '++${{ matrix.scala }}' 'project /' githubWorkflowCheck
+
+      - name: Check headers and formatting
+        if: matrix.java == 'temurin@8'
+        run: sbt '++${{ matrix.scala }}' headerCheckAll scalafmtCheckAll 'project /' scalafmtSbtCheck
+
+      - name: Test
+        run: sbt '++${{ matrix.scala }}' test
+
+      - name: Check binary compatibility
+        if: matrix.java == 'temurin@8'
+        run: sbt '++${{ matrix.scala }}' mimaReportBinaryIssues
+
+      - name: Generate API documentation
+        if: matrix.java == 'temurin@8'
+        run: sbt '++${{ matrix.scala }}' doc
+
+      - name: Check unused compile dependencies
+        if: matrix.java == 'temurin@8'
+        run: sbt '++${{ matrix.scala }}' unusedCompileDependenciesTest
+
+      - name: Make target directories
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
+        run: mkdir -p target scalatags/target project/target
+
+      - name: Compress target directories
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
+        run: tar cf targets.tar target scalatags/target project/target
+
+      - name: Upload target directories
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
+        uses: actions/upload-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}
+          path: targets.tar
+
+  publish:
+    name: Publish Artifacts
+    needs: [build]
+    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.13.8]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Download Java (temurin@8)
+        id: download-java-temurin-8
+        if: matrix.java == 'temurin@8'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 8
+          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+
+      - name: Download Java (temurin@11)
+        id: download-java-temurin-11
+        if: matrix.java == 'temurin@11'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Setup Java (temurin@11)
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 11
+          jdkFile: ${{ steps.download-java-temurin-11.outputs.jdkFile }}
+
+      - name: Download Java (temurin@17)
+        id: download-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 17
+          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - name: Download target directories (2.12.15)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.15
+
+      - name: Inflate target directories (2.12.15)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
+      - name: Download target directories (2.13.8)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8
+
+      - name: Inflate target directories (2.13.8)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
+      - name: Download target directories (2.13.8)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8
+
+      - name: Inflate target directories (2.13.8)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
+      - name: Download target directories (2.13.8)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8
+
+      - name: Inflate target directories (2.13.8)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
+      - name: Import signing key
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
+        run: echo $PGP_SECRET | base64 -di | gpg --import
+
+      - name: Import signing key and strip passphrase
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE != ''
+        run: |
+          echo "$PGP_SECRET" | base64 -di > /tmp/signing-key.gpg
+          echo "$PGP_PASSPHRASE" | gpg --pinentry-mode loopback --passphrase-fd 0 --import /tmp/signing-key.gpg
+          (echo "$PGP_PASSPHRASE"; echo; echo) | gpg --command-fd 0 --pinentry-mode loopback --change-passphrase $(gpg --list-secret-keys --with-colons 2> /dev/null | grep '^sec:' | cut --delimiter ':' --fields 5 | tail -n 1)
+
+      - name: Publish
+        run: sbt '++${{ matrix.scala }}' tlRelease

.github/workflows/clean.yml

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+# This file was automatically generated by sbt-github-actions using the
+# githubWorkflowGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# change your sbt build configuration to revise the workflow description
+# to meet your needs, then regenerate this file.
+
+name: Clean
+
+on: push
+
+jobs:
+  delete-artifacts:
+    name: Delete Artifacts
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Delete artifacts
+        run: |
+          # Customize those three lines with your repository and credentials:
+          REPO=${GITHUB_API_URL}/repos/${{ github.repository }}
+
+          # A shortcut to call GitHub API.
+          ghapi() { curl --silent --location --user _:$GITHUB_TOKEN "$@"; }
+
+          # A temporary file which receives HTTP response headers.
+          TMPFILE=/tmp/tmp.$$
+
+          # An associative array, key: artifact name, value: number of artifacts of that name.
+          declare -A ARTCOUNT
+
+          # Process all artifacts on this repository, loop on returned "pages".
+          URL=$REPO/actions/artifacts
+          while [[ -n "$URL" ]]; do
+
+            # Get current page, get response headers in a temporary file.
+            JSON=$(ghapi --dump-header $TMPFILE "$URL")
+
+            # Get URL of next page. Will be empty if we are at the last page.
+            URL=$(grep '^Link:' "$TMPFILE" | tr ',' '\n' | grep 'rel="next"' | head -1 | sed -e 's/.*<//' -e 's/>.*//')
+            rm -f $TMPFILE
+
+            # Number of artifacts on this page:
+            COUNT=$(( $(jq <<<$JSON -r '.artifacts | length') ))
+
+            # Loop on all artifacts on this page.
+            for ((i=0; $i < $COUNT; i++)); do
+
+              # Get name of artifact and count instances of this name.
+              name=$(jq <<<$JSON -r ".artifacts[$i].name?")
+              ARTCOUNT[$name]=$(( $(( ${ARTCOUNT[$name]} )) + 1))
+
+              id=$(jq <<<$JSON -r ".artifacts[$i].id?")
+              size=$(( $(jq <<<$JSON -r ".artifacts[$i].size_in_bytes?") ))
+              printf "Deleting '%s' #%d, %'d bytes\n" $name ${ARTCOUNT[$name]} $size
+              ghapi -X DELETE $REPO/actions/artifacts/$id
+            done
+          done

.gitignore

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+# sbt
+target/
+project/plugins/project/
+boot/
+lib_managed/
+src_managed/
+
+# vim
+*.sw?
+
+# intellij
+.idea/
+
+# ignore [ce]tags files
+tags
+
+# metals
+.metals/
+.bsp/
+.bloop/
+metals.sbt
+.vscode
+
+# npm
+node_modules/

.scalafmt.conf

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+version = 3.5.0
+
+style = default
+
+maxColumn = 100
+
+// Docstring wrapping breaks doctests
+docstrings.wrap = false
+
+// Vertical alignment is pretty, but leads to bigger diffs
+align.preset = none
+
+danglingParentheses.preset = true
+
+rewrite.rules = [
+  AvoidInfix
+  RedundantBraces
+  RedundantParens
+  PreferCurlyFors
+  SortModifiers
+]
+
+rewrite.sortModifiers.order = [
+  override, implicit, private, protected, final, sealed, abstract, lazy
+]
+
+rewrite.trailingCommas.style = multiple
+
+runner.dialect = scala212
+
+fileOverride {
+  "glob:**/scala-3/**/*.scala" {
+    runner.dialect = scala3
+  }
+  "glob:**/scala-2.13/**/*.scala" {
+    runner.dialect = scala213
+  }
+}