feat: introduce rules_graalvm via rewrite

- feat: ability to distinguish between CE and oracle distributions
- feat: ability to install and use graalvm as a java toolchain
- feat: ability to download graalvm components
- feat: ability to run arbitrary post-setup commands with `gu`
- feat: dedicated toolchain types for `graalvm` and `native-image`
- feat: provide graalvm sdk aliasing
- feat: add `aspect` configs
- docs: add `toolchain` doc
- docs: add `components` doc
- docs: add `native-image` doc
- docs: add `modern-bazel` doc
- fix: use conventional `workspace.bzl` and `rules.bzl`
- fix: use conventional `graalvm/` prefix
- fix: use on macos aarch64
- chore: add github actions for build/test
- chore: upgrade to bazel6/bazel7
- chore: add distribution download endpoints for newer CE/oracle
- chore: docs root in github flavored markdown
- chore: rewrite of main project readme

.aspect/bazelrc/BUILD.bazel

@@ -0,0 +1,5 @@
+"Aspect bazelrc presets; see https://docs.aspect.build/guides/bazelrc"
+
+load("@aspect_bazel_lib//lib:bazelrc_presets.bzl", "write_aspect_bazelrc_presets")
+
+write_aspect_bazelrc_presets(name = "update_aspect_bazelrc_presets")

.aspect/bazelrc/bazel5.bazelrc

@@ -0,0 +1 @@
+build --experimental_remote_build_event_upload=minimal

.aspect/bazelrc/bazel6.bazelrc

@@ -0,0 +1,19 @@
+# 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
+
+## --- Custom Flags --- ##
+
+build --experimental_remote_build_event_upload=minimal

.aspect/bazelrc/bazel7.bazelrc

@@ -0,0 +1,19 @@
+# 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
+
+## --- Custom Flags --- ##
+
+build --remote_build_event_upload=minimal

.aspect/bazelrc/ci.bazelrc

@@ -0,0 +1,73 @@
+# We recommend enforcing a policy that keeps your CI from being slowed down
+# by individual test targets that should be optimized
+# or split up into multiple test targets with sharding or manually.
+# Set this flag to exclude targets that have their timeout set to eternal (>15m) from running on CI.
+# Docs: https://bazel.build/docs/user-manual#test-timeout-filters
+test --test_timeout_filters=-eternal
+
+# Set this flag to enable re-tries of failed tests on CI.
+# When any test target fails, try one or more times. This applies regardless of whether the "flaky"
+# tag appears on the target definition.
+# This is a tradeoff: legitimately failing tests will take longer to report,
+# but we can paper over flaky tests that pass most of the time.
+# The alternative is to mark every flaky test with the `flaky = True` attribute, but this requires
+# the buildcop to make frequent code edits.
+# Not recommended for local builds so that the flakiness is observed during development and thus
+# is more likely to get fixed.
+# Note that when passing after the first attempt, Bazel will give a special "FLAKY" status.
+# Docs: https://bazel.build/docs/user-manual#flaky-test-attempts
+test --flaky_test_attempts=2
+
+# Announce all announces command options read from the bazelrc file(s) when starting up at the
+# beginning of each Bazel invocation. This is very useful on CI to be able to inspect what Bazel rc
+# settings are being applied on each run.
+# Docs: https://bazel.build/docs/user-manual#announce-rc
+build --announce_rc
+
+# Add a timestamp to each message generated by Bazel specifying the time at which the message was
+# displayed.
+# Docs: https://bazel.build/docs/user-manual#show-timestamps
+build --show_timestamps
+
+# Only show progress every 60 seconds on CI.
+# We want to find a compromise between printing often enough to show that the build isn't stuck,
+# but not so often that we produce a long log file that requires a lot of scrolling.
+# https://bazel.build/reference/command-line-reference#flag--show_progress_rate_limit
+build --show_progress_rate_limit=60
+
+# Use cursor controls in screen output.
+# Docs: https://bazel.build/docs/user-manual#curses
+build --curses=yes
+
+# Use colors to highlight output on the screen. Set to `no` if your CI does not display colors.
+# Docs: https://bazel.build/docs/user-manual#color
+build --color=yes
+
+# The terminal width in columns. Configure this to override the default value based on what your CI system renders.
+# Docs: https://github.com/bazelbuild/bazel/blob/1af61b21df99edc2fc66939cdf14449c2661f873/src/main/java/com/google/devtools/build/lib/runtime/UiOptions.java#L151
+build --terminal_columns=143
+
+######################################
+# Generic remote cache configuration #
+######################################
+
+# Only download remote outputs of top level targets to the local machine.
+# Docs: https://bazel.build/reference/command-line-reference#flag--remote_download_toplevel
+build --remote_download_toplevel
+
+# The maximum amount of time to wait for remote execution and cache calls.
+# https://bazel.build/reference/command-line-reference#flag--remote_timeout
+build --remote_timeout=3600
+
+# Upload locally executed action results to the remote cache.
+# Docs: https://bazel.build/reference/command-line-reference#flag--remote_upload_local_results
+build --remote_upload_local_results
+
+# Fall back to standalone local execution strategy if remote execution fails. If the grpc remote
+# cache connection fails, it will fail the build, add this so it falls back to the local cache.
+# Docs: https://bazel.build/reference/command-line-reference#flag--remote_local_fallback
+build --remote_local_fallback
+
+# Fixes builds hanging on CI that get the TCP connection closed without sending RST packets.
+# Docs: https://bazel.build/reference/command-line-reference#flag--grpc_keepalive_time
+build --grpc_keepalive_time=30s

.aspect/bazelrc/convenience.bazelrc

@@ -0,0 +1,28 @@
+# 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

.aspect/bazelrc/correctness.bazelrc

@@ -0,0 +1,62 @@
+# 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

.aspect/bazelrc/debug.bazelrc

@@ -0,0 +1,19 @@
+############################################################
+# Use `bazel test --config=debug` to enable these settings #
+############################################################
+
+# Stream stdout/stderr output from each test in real-time.
+# Docs: https://bazel.build/docs/user-manual#test-output
+test:debug --test_output=streamed
+
+# Run one test at a time.
+# Docs: https://bazel.build/reference/command-line-reference#flag--test_strategy
+test:debug --test_strategy=exclusive
+
+# Prevent long running tests from timing out.
+# Docs: https://bazel.build/docs/user-manual#test-timeout
+test:debug --test_timeout=9999
+
+# Always run tests even if they have cached results.
+# Docs: https://bazel.build/docs/user-manual#cache-test-results
+test:debug --nocache_test_results

.aspect/bazelrc/performance.bazelrc

@@ -0,0 +1,38 @@
+# 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
+build --noexperimental_check_output_files
+fetch --noexperimental_check_output_files
+query --noexperimental_check_output_files
+
+# 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
+
+# Do not build runfiles symlink forests for external repositories under
+# `.runfiles/wsname/external/repo` (in addition to `.runfiles/repo`). This reduces runfiles &
+# sandbox creation times & prevents accidentally depending on this feature which may flip to off by
+# default in the future. Note, some rules may fail under this flag, please file issues with the rule
+# author.
+# Docs: https://bazel.build/reference/command-line-reference#flag--legacy_external_runfiles
+build --nolegacy_external_runfiles
+
+# Some actions are always IO-intensive but require little compute. It's wasteful to put the output
+# in the remote cache, it just saturates the network and fills the cache storage causing earlier
+# evictions. It's also not worth sending them for remote execution.
+# For actions like PackageTar it's usually faster to just re-run the work locally every time.
+# You'll have to look at an execution log to figure out what other action mnemonics you care about.
+# In some cases you may need to patch rulesets to add a mnemonic to actions that don't have one.
+# https://bazel.build/reference/command-line-reference#flag--modify_execution_info
+build --modify_execution_info=PackageTar=+no-remote

.bazelrc

@@ -1,16 +1,24 @@
-common --announce_rc
+common:verbose --announce_rc
+
+# Import Aspect bazelrc presets
+import %workspace%/.aspect/bazelrc/bazel7.bazelrc
+import %workspace%/.aspect/bazelrc/convenience.bazelrc
+import %workspace%/.aspect/bazelrc/correctness.bazelrc
+import %workspace%/.aspect/bazelrc/debug.bazelrc
+import %workspace%/.aspect/bazelrc/performance.bazelrc
+
+# Import project-level presets
+import %workspace%/tools/bazel/buildbuddy.bazelrc
+import %workspace%/tools/bazel/cache.bazelrc
+import %workspace%/tools/bazel/ci.bazelrc
+import %workspace%/tools/bazel/java.bazelrc
+
 common --color=auto
 
-build --experimental_strict_action_env
-build --worker_max_instances=4
 build --worker_sandboxing
 build --verbose_failures
 
-test  --test_output=all
-test  --test_env=PATH
-
-common:v0.24 --config=noop
-common:v0.26 --config=noop
-
 # pick something trivial as a "noop"
 common:noop --logging=3
+
+try-import %workspace%/local.bazelrc

.bazelversion

@@ -0,0 +1 @@
+7.0.0-pre.20230724.1

.github/CODEOWNERS

@@ -0,0 +1 @@
+*.* @sgammon

.github/workflows/module.build.yml

@@ -0,0 +1,37 @@
+name: "Build"
+
+on:
+    workflow_dispatch: {}
+    workflow_call:
+      secrets:
+        BUILDBUDDY_APIKEY:
+          required: true
+        BUILDLESS_APIKEY:
+          required: true
+
+jobs:
+    build:
+        name: "Build"
+        runs-on: ubuntu-latest
+        steps:
+            - name: "Setup: Checkout"
+              uses: actions/checkout@v3
+            - name: "Setup: Bazel"
+              uses: bazelbuild/setup-bazelisk@v2
+            - name: "Setup: Cache"
+              uses: actions/cache@v3
+              with:
+                path: "~/.cache/bazel"
+                key: bazel-v1
+            - name: "Configure: Bazel"
+              run: |
+                echo "build --remote_header=x-buildbuddy-api-key=${{ secrets.BUILDBUDDY_APIKEY }}" >> local.bazelrc
+                echo "build --remote_header=x-api-key=${{ secrets.BUILDLESS_APIKEY }}" >> local.bazelrc
+            - name: "Build: Example"
+              run: |
+                bazel build \
+                    --config=ci \
+                    --config=buildless \
+                    --config=buildbuddy \
+                    --config=disk-cache \
+                    //example/native

.github/workflows/module.test.yml

@@ -0,0 +1,26 @@
+name: "Test"
+
+on:
+    workflow_dispatch: {}
+    workflow_call: {}
+
+jobs:
+    build:
+        name: "Test"
+        runs-on: ubuntu-latest
+        steps:
+            - name: "Setup: Checkout"
+              uses: actions/checkout@v3
+            - name: "Setup: Bazel"
+              uses: bazelbuild/setup-bazelisk@v2
+            - name: "Setup: Cache"
+              uses: actions/cache@v3
+              with:
+                path: "~/.cache/bazel"
+                key: bazel-v1
+            - name: "Build: Example"
+              run: |
+                bazel \
+                    coverage \
+                    --config=ci \
+                    //tests/...

.github/workflows/on.pr.yml

@@ -0,0 +1,10 @@
+name: "PR"
+
+on:
+    pull_request: {}
+
+jobs:
+    build:
+        name: "Build"
+        uses: ./.github/workflows/module.build.yml
+        secrets: inherit