Migrate from sbt to bazel

.bazelignore

@@ -0,0 +1,4 @@
+website/node_modules
+bazel-out
+bazel-bin
+bazel-testlogs

.bazelrc

@@ -0,0 +1,152 @@
+# https://docs.aspect.build/guides/bazelrc/
+
+common --java_language_version=17
+common --tool_java_language_version=17
+common --java_runtime_version=remotejdk_17
+common --tool_java_runtime_version=remotejdk_17
+
+# Do not upload locally executed action results to the remote cache.
+# This should be the default for local builds so local builds cannot poison the remote cache.
+# It should be flipped to `--remote_upload_local_results` on CI
+# by using `--bazelrc=.aspect/bazelrc/ci.bazelrc`.
+# Docs: https://bazel.build/reference/command-line-reference#flag--remote_upload_local_results
+build --noremote_upload_local_results
+
+# Don't allow network access for build actions in the sandbox.
+# Ensures that you don't accidentally make non-hermetic actions/tests which depend on remote
+# services.
+# Developers should tag targets with `tags=["requires-network"]` to opt-out of the enforcement.
+# Docs: https://bazel.build/reference/command-line-reference#flag--sandbox_default_allow_network
+build --sandbox_default_allow_network=false
+
+# Warn if a test's timeout is significantly longer than the test's actual execution time.
+# Bazel's default for test_timeout is medium (5 min), but most tests should instead be short (1 min).
+# While a test's timeout should be set such that it is not flaky, a test that has a highly
+# over-generous timeout can hide real problems that crop up unexpectedly.
+# For instance, a test that normally executes in a minute or two should not have a timeout of
+# ETERNAL or LONG as these are much, much too generous.
+# Docs: https://bazel.build/docs/user-manual#test-verbose-timeout-warnings
+test --test_verbose_timeout_warnings
+
+# Allow the Bazel server to check directory sources for changes. Ensures that the Bazel server
+# notices when a directory changes, if you have a directory listed in the srcs of some target.
+# Recommended when using
+# [copy_directory](https://github.com/aspect-build/bazel-lib/blob/main/docs/copy_directory.md) and
+# [rules_js](https://github.com/aspect-build/rules_js) since npm package are source directories
+# inputs to copy_directory actions.
+# Docs: https://bazel.build/reference/command-line-reference#flag--host_jvm_args
+startup --host_jvm_args=-DBAZEL_TRACK_SOURCE_DIRECTORIES=1
+
+# Allow exclusive tests to run in the sandbox. Fixes a bug where Bazel doesn't enable sandboxing for
+# tests with `tags=["exclusive"]`.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_exclusive_test_sandboxed
+test --incompatible_exclusive_test_sandboxed
+
+# Use a static value for `PATH` and does not inherit `LD_LIBRARY_PATH`. Doesn't let environment
+# variables like `PATH` sneak into the build, which can cause massive cache misses when they change.
+# Use `--action_env=ENV_VARIABLE` if you want to inherit specific environment variables from the
+# client, but note that doing so can prevent cross-user caching if a shared cache is used.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_strict_action_env
+build --incompatible_strict_action_env
+
+# Propagate tags from a target declaration to the actions' execution requirements.
+# Ensures that tags applied in your BUILD file, like `tags=["no-remote"]`
+# get propagated to actions created by the rule.
+# Without this option, you rely on rules authors to manually check the tags you passed
+# and apply relevant ones to the actions they create.
+# See https://github.com/bazelbuild/bazel/issues/8830 for details.
+# Docs: https://bazel.build/reference/command-line-reference#flag--experimental_allow_tags_propagation
+build --experimental_allow_tags_propagation
+fetch --experimental_allow_tags_propagation
+query --experimental_allow_tags_propagation
+
+# Do not automatically create `__init__.py` files in the runfiles of Python targets. Fixes the wrong
+# default that comes from Google's internal monorepo by using `__init__.py` to delimit a Python
+# package. Precisely, when a `py_binary` or `py_test` target has `legacy_create_init` set to `auto (the
+# default), it is treated as false if and only if this flag is set. See
+# https://github.com/bazelbuild/bazel/issues/10076.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_default_to_explicit_init_py
+build --incompatible_default_to_explicit_init_py
+
+# Set default value of `allow_empty` to `False` in `glob()`. This prevents a common mistake when
+# attempting to use `glob()` to match files in a subdirectory that is opaque to the current package
+# because it contains a BUILD file. See https://github.com/bazelbuild/bazel/issues/8195.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_disallow_empty_glob
+common --incompatible_disallow_empty_glob
+
+# Always download coverage files for tests from the remote cache. By default, coverage files are not
+# downloaded on test result cahce hits when --remote_download_minimal is enabled, making it impossible
+# to generate a full coverage report.
+# Docs: https://bazel.build/reference/command-line-reference#flag--experimental_fetch_all_coverage_outputs
+# detching remote cache results
+test --experimental_fetch_all_coverage_outputs
+
+# Attempt to build & test every target whose prerequisites were successfully built.
+# Docs: https://bazel.build/docs/user-manual#keep-going
+build --keep_going
+
+# Output test errors to stderr so users don't have to `cat` or open test failure log files when test
+# fail. This makes the log noiser in exchange for reducing the time-to-feedback on test failures for
+# users.
+# Docs: https://bazel.build/docs/user-manual#test-output
+test --test_output=errors
+
+# Show the output files created by builds that requested more than one target. This helps users
+# locate the build outputs in more cases
+# Docs: https://bazel.build/docs/user-manual#show-result
+build --show_result=20
+
+# Bazel picks up host-OS-specific config lines from bazelrc files. For example, if the host OS is
+# Linux and you run bazel build, Bazel picks up lines starting with build:linux. Supported OS
+# identifiers are `linux`, `macos`, `windows`, `freebsd`, and `openbsd`. Enabling this flag is
+# equivalent to using `--config=linux` on Linux, `--config=windows` on Windows, etc.
+# Docs: https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
+common --enable_platform_specific_config
+
+# Output a heap dump if an OOM is thrown during a Bazel invocation
+# (including OOMs due to `--experimental_oom_more_eagerly_threshold`).
+# The dump will be written to `<output_base>/<invocation_id>.heapdump.hprof`.
+# You may need to configure CI to capture this artifact and upload for later use.
+# Docs: https://bazel.build/reference/command-line-reference#flag--heap_dump_on_oom
+common --heap_dump_on_oom
+
+# Don't apply `--noremote_upload_local_results` and `--noremote_accept_cached` to the disk cache.
+# If you have both `--noremote_upload_local_results` and `--disk_cache`, then this fixes a bug where
+# Bazel doesn't write to the local disk cache as it treats as a remote cache.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_remote_results_ignore_disk
+build --incompatible_remote_results_ignore_disk
+
+# Directories used by sandboxed non-worker execution may be reused to avoid unnecessary setup costs.
+# Save time on Sandbox creation and deletion when many of the same kind of action run during the
+# build.
+# No longer experimental in Bazel 6: https://github.com/bazelbuild/bazel/commit/c1a95501a5611878e5cc43a3cc531f2b9e47835b
+# Docs: https://bazel.build/reference/command-line-reference#flag--reuse_sandbox_directories
+build --experimental_reuse_sandbox_directories
+
+# Speed up all builds by not checking if external repository files have been modified.
+# Docs: https://github.com/bazelbuild/bazel/blob/1af61b21df99edc2fc66939cdf14449c2661f873/src/main/java/com/google/devtools/build/lib/bazel/repository/RepositoryOptions.java#L244
+build --noexperimental_check_external_repository_files
+fetch --noexperimental_check_external_repository_files
+query --noexperimental_check_external_repository_files
+
+# Directories used by sandboxed non-worker execution may be reused to avoid unnecessary setup costs.
+# Save time on Sandbox creation and deletion when many of the same kind of action run during the
+# build.
+# Docs: https://bazel.build/reference/command-line-reference#flag--reuse_sandbox_directories
+build --reuse_sandbox_directories
+
+# Avoid this flag being enabled by remote_download_minimal or remote_download_toplevel
+# See https://meroton.com/blog/bazel-6-errors-build-without-the-bytes/
+build --noexperimental_action_cache_store_output_metadata
+
+# Speed up all builds by not checking if output files have been modified. Lets you make changes to
+# the output tree without triggering a build for local debugging. For example, you can modify
+# [rules_js](https://github.com/aspect-build/rules_js) 3rd party npm packages in the output tree
+# when local debugging.
+# Docs: https://github.com/bazelbuild/bazel/blob/1af61b21df99edc2fc66939cdf14449c2661f873/src/main/java/com/google/devtools/build/lib/pkgcache/PackageOptions.java#L185
+# NB: This flag is in bazel6.bazelrc as when used in Bazel 7 is has been observed to break
+# "build without the bytes" --remote_download_outputs=toplevel. See https://github.com/aspect-build/bazel-lib/pull/711
+# for more info.
+build --noexperimental_check_output_files
+fetch --noexperimental_check_output_files
+query --noexperimental_check_output_files

.bazelversion

@@ -0,0 +1 @@
+7.1.1

.gitattributes

@@ -1 +1,3 @@
-website/generated/**/* linguist-generated=true
+bsp4j/src/**/*              linguist-generated=true
+bsp4s/src/**/*              linguist-generated=true
+website/generated/**/*      linguist-generated=true

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -10,15 +10,13 @@ body:
         I have a use case where...
     validations:
       required: true
-
   - type: textarea
     id: what
     attributes:
       label: What do you propose
       description: Your proposal to address the "Why" from up above
       placeholder: |
         In order to address this an idea I have is...
-
   - type: checkboxes
     id: check
     attributes:
@@ -27,7 +25,6 @@ body:
       options:
         - label: I've checked the existing protocol and there isn't a way to do this currently
           required: true
-
   - type: checkboxes
     id: maintainers
     attributes:

.github/dependabot.yml

@@ -8,7 +8,6 @@ updates:
       dev-dependencies:
         patterns:
           - "*" # All updates are grouped in 1 PR
-
   - package-ecosystem: "npm"
     directory: "/website"
     schedule:

.github/workflows/release.yml

@@ -11,17 +11,54 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-java@v4
+      - name: Mount bazel cache
+        uses: actions/cache@v4
         with:
-          distribution: "temurin"
-          java-version: "11"
-          cache: "sbt"
-      - name: Publish ${{ github.ref }}
-        run: sbt ci-release docs/docusaurusPublishGhpages
-        env:
-          GIT_DEPLOY_KEY: ${{ secrets.GIT_DEPLOY_KEY }}
-          GIT_USER: [email protected]
-          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
-          PGP_SECRET: ${{ secrets.PGP_SECRET }}
-          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
-          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          path: '/home/runner/.cache/bazel'
+          key: bazel
+          save-always: true
+      - uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.PGP_SECRET }}
+          passphrase: ${{ secrets.PGP_PASSPHRASE }}
+      - name: Generate docs
+        run: bazel run //website:docusaurus-build
+      - name: Upload Build Artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: bazel-out/k8-fastbuild/bin/website/docusaurus-build.sh.runfiles/_main/website/build
+      - name: Publish bsp4j artifacts
+        run: |
+          bazel run \
+            --define "maven_repo=https://oss.sonatype.org/service/local" \
+            --define "maven_user=$MAVEN_USER" \
+            --define "maven_password=$MAVEN_PASSWORD" \
+            //bsp4j:bsp4j.publish
+      - name: Publish bsp4s artifacts
+        run: |
+          bazel run \
+              --define "maven_repo=https://oss.sonatype.org/service/local" \
+              --define "maven_user=$MAVEN_USER" \
+              --define "maven_password=$MAVEN_PASSWORD" \
+              //bsp4s:bsp4s.publish
+  deploy:
+    name: Deploy to GitHub Pages
+    needs: publish
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write # to deploy to Pages
+      id-token: write # to verify the deployment originates from an appropriate source
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
+env:
+  GIT_DEPLOY_KEY: ${{ secrets.GIT_DEPLOY_KEY }}
+  GIT_USER: [email protected]
+  MAVEN_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+  MAVEN_USER: ${{ secrets.SONATYPE_USERNAME }}

.github/workflows/verify.yml

@@ -14,80 +14,31 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-java@v4
         with:
-          distribution: "temurin"
-          java-version: "11"
-          cache: "sbt"
-
-      - name: generate
-        run: sbt generate
-
+          distribution: 'temurin'
+          java-version: '17'
+      - name: Mount bazel cache
+        uses: actions/cache@v4
+        with:
+          path: '/home/runner/.cache/bazel'
+          key: bazel
+      - name: Generate
+        # Generate libraries and the website
+        run: bazel run //:generate
+      - name: Build
+        run: bazel build //...
+      - name: Test
+        run: bazel test //...
       - name: Verify Changed files
-        uses: tj-actions/verify-changed-files@v17
+        uses: tj-actions/verify-changed-files@v19
         id: verify-changed-files
         with:
           files: |
-            **/*.java
-            **/*.scala
-            **/*.md
-
+            bsp4s/src
+            bsp4j/src
+            website/generated
       - name: Fail if we detect changed files
         if: steps.verify-changed-files.outputs.files_changed == 'true'
         run: |
           echo "Detected changed files: ${{ steps.verify-changed-files.outputs.changed_files }}"
-          echo "Make sure to run 'sbt generate' before pushing."
+          echo "Make sure to run 'bazel run //:generate' before pushing."
           exit 1
-
-  test:
-    name: Run tests
-    needs: check-generation
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "11"
-          cache: "sbt"
-
-      - name: compile
-        run: sbt +compile +package
-
-      - name: test
-        run: sbt +test
-
-  docs:
-    name: Generate docs site
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "11"
-          cache: "sbt"
-      - run: sbt docs/docusaurusCreateSite
-
-  code-format-check:
-    name: Check Scala formatting
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "11"
-          cache: "sbt"
-      - run: sbt checkScalaFormat
-
-  website-format-check:
-    name: Check website formatting
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Prettify code
-        uses: creyD/[email protected]
-        with:
-          dry: true
-          prettier_options: --ignore-path website/.prettierignore --check .

.gitignore

@@ -33,11 +33,20 @@ out/
 .bloop
 .metals/
 .vscode
-.bsp
 
 website/.docusaurus
 website/build
 website/project
 
 docs-gen
 *.xtend
+
+.aspect
+bazel-*
+
+# bsp specific
+.bsp
+.bazelbsp
+projectview.bazelproject
+
+__pycache__/

.prettierignore

@@ -0,0 +1,2 @@
+.bsp/
+bazel-*