Event stream POC testing with EngFlow UI

.buckconfig

@@ -1,16 +1,10 @@
-[repositories]
-root = .
-prelude = prelude
-shim = shim
+[cells]
+gh_facebook_buck2 = .
+gh_facebook_buck2_shims_meta = shim
 
-[repository_aliases]
-config = prelude
-ovr_config = prelude
-toolchains = shim
-fbcode = shim
-fbcode_macros = shim
-fbsource = shim
-buck = shim
+[cell_aliases]
+root = gh_facebook_buck2
 
-[parser]
-target_platform_detector_spec = target:root//...->prelude//platforms:default target:shim//...->prelude//platforms:default
+[oss]
+internal_cell = fbcode
+stripped_root_dirs = buck2

.buckconfig.d/common.buckconfig

@@ -0,0 +1,20 @@
+[cells]
+prelude = prelude
+none = none
+
+[cell_aliases]
+config = prelude
+ovr_config = prelude
+bazel_skylib = gh_facebook_buck2_shims_meta
+buck = gh_facebook_buck2_shims_meta
+fbcode = gh_facebook_buck2_shims_meta
+fbcode_macros = gh_facebook_buck2_shims_meta
+fbsource = gh_facebook_buck2_shims_meta
+shim = gh_facebook_buck2_shims_meta
+toolchains = gh_facebook_buck2_shims_meta
+
+[external_cells]
+prelude = bundled
+
+[parser]
+target_platform_detector_spec = target:root//...->prelude//platforms:default target:shim//...->prelude//platforms:default

.cargo/config.toml

@@ -1,10 +1,6 @@
 [build]
-# `cargo_internal_build` is set for cargo builds inside Meta.
-# The flag enables features not available in opensource version,
-# in particular, dependencies on libraries not available in open source.
 rustflags = [
-# @oss-disable: "--cfg", "cargo_internal_build",
-"--cfg", "tokio_unstable",
+    "--cfg=tokio_unstable",
 ]
 
 # @oss-disable: [source.crates-io]

.envrc

@@ -1,4 +1,4 @@
-if ! has nix_direnv_version || ! nix_direnv_version 2.2.1; then
-    source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.2.1/direnvrc" "sha256-zelF0vLbEl5uaqrfIzbgNzJWGmLzCmYAkInj/LNxvKs="
+if ! has nix_direnv_version || ! nix_direnv_version 3.0.5; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.5/direnvrc" "sha256-RuwIS+QKFj/T9M2TFXScjBsLR6V3A17YVoEW/Q6AZ1w="
 fi
 use flake

.github/actions/build_bootstrap/action.yml

@@ -0,0 +1,7 @@
+name: build_bootstrap
+runs:
+  using: composite
+  steps:
+  - name: Build `buck2` with `buck2`
+    run: "$RUNNER_TEMP/artifacts/buck2 build :buck2 -v 2"
+    shell: bash

.github/actions/build_debug/action.yml

@@ -0,0 +1,10 @@
+name: build_debug
+description: Build buck2 binary (debug)
+runs:
+  using: composite
+  steps:
+  - name: Build buck2 binary (debug)
+    run: |-
+      mkdir $RUNNER_TEMP/artifacts
+      cargo build --bin=buck2 -Z unstable-options --out-dir=$RUNNER_TEMP/artifacts
+    shell: bash

.github/actions/build_example_conan/action.yml

@@ -0,0 +1,14 @@
+name: build_example_conan
+runs:
+  using: composite
+  steps:
+  - name: Build examples/toolchains/conan_toolchain
+    run: |-
+      cd examples/toolchains/conan_toolchain
+      $RUNNER_TEMP/artifacts/buck2 init
+      cp -r ../../../prelude prelude
+      # Generate Conan imports. TODO[AH] Make that unnecessary.
+      PATH="$RUNNER_TEMP/artifacts:$PATH" $RUNNER_TEMP/artifacts/buck2 run //cpp/conan:update -v 2
+      $RUNNER_TEMP/artifacts/buck2 build //... -v 2
+      $RUNNER_TEMP/artifacts/buck2 test //... -v 2
+    shell: bash

.github/actions/build_example_no_prelude/action.yml

@@ -0,0 +1,9 @@
+name: build_example_no_prelude
+runs:
+  using: composite
+  steps:
+  - name: Build example/no_prelude directory
+    run: |-
+      cd examples/no_prelude
+      $RUNNER_TEMP/artifacts/buck2 build //... -v 2
+    shell: bash

.github/actions/build_release/action.yml

@@ -0,0 +1,10 @@
+name: build_release
+description: Build buck2 binary (release)
+runs:
+  using: composite
+  steps:
+  - name: Build buck2 binary (release)
+    run: |-
+      mkdir $RUNNER_TEMP/artifacts
+      cargo build --bin=buck2 --release -Z unstable-options --out-dir=$RUNNER_TEMP/artifacts
+    shell: bash