windows: working //:git-revision target (#434)

bazel_tools/workspace_status.cmd

@@ -0,0 +1,7 @@
+:: Copyright (c) 2019 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
+:: SPDX-License-Identifier: Apache-2.0
+
+@echo off
+
+for /f %%i in ('git rev-parse HEAD') do set RESULT=%%i
+echo STABLE_GIT_REVISION %RESULT%

build.ps1

@@ -23,6 +23,7 @@ function bazel() {
 
 function build-partial() {
     bazel build `
+        //:git-revision `
         //compiler/daml-lf-ast/... `
         //daml-lf/interface/... `
         //language-support/java/bindings/...
@@ -37,6 +38,7 @@ function build-partial() {
 function build-full() {
     # FIXME: Until all bazel issues on Windows are resolved we will be testing only specific bazel targets
     bazel build `
+        //:git-revision `
         @com_github_grpc_grpc//:grpc `
         //nix/third-party/gRPC-haskell/core:fat_cbits `
         //daml-foundations/daml-tools/daml-extension:daml_extension_lib `

ci/configure-bazel.sh

@@ -41,7 +41,8 @@ cd "$(dirname "$0")"/..
 step "configuring bazel"
 
 if is_windows; then
-  echo "build --config windows-ci" > .bazelrc.local
+  echo "build --config windows" > .bazelrc.local
+  echo "build --config windows-ci" >> .bazelrc.local
 fi
 
 # sets up write access to the shared remote cache if the branch is not a fork

nix/bazelrc

@@ -56,25 +56,24 @@ build:linux --action_env=LOCALE_ARCHIVE
 
 
 # Pass workspace status for stamped actions
-# We skip this on Windows, otherwise bazel fails with
-#   "Access is denied."
-# most likely when trying to evaluate the shebang.
 build:linux --workspace_status_command=bazel_tools/workspace_status.sh
 build:darwin --workspace_status_command=bazel_tools/workspace_status.sh
+build:windows --workspace_status_command=bazel_tools/workspace_status.cmd
 
 # Tell bazel to use the nixpkgs Haskell toolchain on Linux and Darwin
 build:linux --host_platform=@io_tweag_rules_haskell//haskell/platforms:linux_x86_64_nixpkgs
 build:darwin --host_platform=@io_tweag_rules_haskell//haskell/platforms:darwin_x86_64_nixpkgs
+# and GHC's gcc on Windows
+build:windows --crosstool_top=@io_tweag_rules_haskell_ghc_windows_amd64//:toolchain
 
-# Tell bazel to use GHC's gcc on Windows
 # Caching is currently disabled on Windows.
 # See: https://github.com/tweag/rules_haskell/issues/744 for details.
-build:windows --crosstool_top=@io_tweag_rules_haskell_ghc_windows_amd64//:toolchain --noremote_accept_cached --noremote_upload_local_results
+build:windows --noremote_accept_cached
 
 # We use a special windows configuration on CI: cache is enabled. The caching
 # is not totally reliable on Windows yet re. absolute paths, but it is not a
 # problem on CI if all builds share a similar directory structure.
-build:windows-ci --crosstool_top=@io_tweag_rules_haskell_ghc_windows_amd64//:toolchain
+build:windows-ci --remote_accept_cached=true
 
 # Instruct bazel to globally use this flag for compiling protobuf files.
 # We need the source info for generating proto docs. By default proto_library strips