Hello, sbt-typelevel

.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_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+  PGP_SECRET: ${{ secrets.PGP_SECRET }}
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  build:
+    name: Build and Test
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.12.15]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - 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 }} githubWorkflowCheck
+
+      - run: sbt ++${{ matrix.scala }} ci
+
+      - name: Compress target directories
+        run: tar cf targets.tar kernel/target versioning/target ci-release/target target ci-signing/target mima/target no-publish/target sonatype/target ci/target sonatype-ci-release/target core/target settings/target project/target
+
+      - name: Upload target directories
+        uses: actions/upload-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.scala }}-${{ matrix.java }}
+          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: [2.12.15]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - 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 }}-2.12.15-${{ matrix.java }}
+
+      - name: Inflate target directories (2.12.15)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
+      - name: Import signing key
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
+        run: echo $PGP_SECRET | base64 -d | gpg --import
+
+      - name: Import signing key and strip passphrase
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE != ''
+        run: |
+          echo "$PGP_SECRET" | base64 -d > /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 $(gpg --list-secret-keys --with-colons 2> /dev/null | grep '^sec:' | cut --delimiter ':' --fields 5 | tail -n 1)
+
+      - if: (startsWith(github.ref, 'refs/tags/v') && github.ref_type == 'tag') || (!startsWith(github.ref, 'refs/tags/v') && github.ref_type != 'tag')
+        run: sbt ++${{ matrix.scala }} release

.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

@@ -1,17 +1,19 @@
-*.class
-*.log
-
-# sbt specific
-.lib/
-dist/*
 target/
-lib_managed/
-src_managed/
-project/boot/
-project/plugins/project/
 
-# IDE specific
-.scala_dependencies
-.*.swp
-.*.swo
-.idea*
+.sbtopts
+
+# vim
+*.sw?
+
+# intellij
+.idea/
+
+# Ignore [ce]tags files
+tags
+
+# Metals
+.metals/
+.bsp/
+.bloop/
+metals.sbt
+.vscode

.scalafmt.conf

@@ -0,0 +1,63 @@
+version = 3.3.0
+
+runner.dialect = Scala212
+
+maxColumn = 96
+
+includeCurlyBraceInSelectChains = true
+includeNoParensInSelectChains = true
+
+optIn {
+  breakChainOnFirstMethodDot = false
+  forceBlankLineBeforeDocstring = true
+}
+
+binPack {
+  literalArgumentLists = true
+  parentConstructors = Never
+}
+
+danglingParentheses {
+  defnSite = false
+  callSite = false
+  ctrlSite = false
+
+  exclude = []
+}
+
+newlines {
+  beforeCurlyLambdaParams = multilineWithCaseOnly
+  afterCurlyLambda = squash
+  implicitParamListModifierPrefer = before
+  sometimesBeforeColonInMethodReturnType = true
+}
+
+align.preset = none
+align.stripMargin = true
+
+assumeStandardLibraryStripMargin = true
+
+docstrings {
+  style = Asterisk
+  oneline = unfold
+}
+
+project.git = true
+
+trailingCommas = never
+
+rewrite {
+  // RedundantBraces honestly just doesn't work, otherwise I'd love to use it
+  rules = [PreferCurlyFors, RedundantParens, SortImports]
+
+  redundantBraces {
+    maxLines = 1
+    stringInterpolation = true
+  }
+}
+
+rewriteTokens {
+  "⇒": "=>"
+  "→": "->"
+  "←": "<-"
+}

CODE_OF_CONDUCT.md

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+# Code of Conduct
+
+We are committed to providing a friendly, safe and welcoming environment for all, regardless of level of experience, gender, gender identity and expression, sexual orientation, disability, personal appearance, body size, race, ethnicity, age, religion, nationality, or other such characteristics.
+
+Everyone is expected to follow the [Scala Code of Conduct] when discussing the project on the available communication channels.
+
+## Moderation
+
+Any questions, concerns, or moderation requests please contact a member of the project.
+
+- Ross A. Baker: [twitter](https://twitter.com/rossabaker) | [email](mailto:[email protected])
+- Arman Bilge: [twitter](https://twitter.com/armanbilge) | [email](mailto:[email protected])
+
+[Scala Code of Conduct]: https://typelevel.org/code-of-conduct.html