failed to run ng build with Bazel's opt-in preview on windows 10 1903

🐞 Bug report

Command (mark with an x)

- [ ] new
- [x] build
- [ ] serve
- [ ] test
- [ ] e2e
- [ ] generate
- [ ] add
- [ ] update
- [ ] lint
- [ ] xi18n
- [ ] run
- [ ] config
- [ ] help
- [ ] version
- [ ] doc

Is this a regression?

No.

Description

I’m using Windows 10 version 1903 (Build 10.0.18362.175). Here are the command I used below:

npm install -g @bazel/bazel @angular/bazel
ng new demo3 --collection=@angular/bazel --style css --routing --skip-git
ng build

🔥 Exception or Error

G:\Projects\demo3> ng build
Starting local Bazel server and connecting to it...
INFO: SHA256 (https://github.com/manekinekko/rules_sass/archive/9862dfc96a4a1f66fe171ef5e043b29853e8445b.zip) = 6035f25dbcd1e5575a681f5d7b9d9821dde09fcf73ccea053d1bc1c9523b1a2a
DEBUG: Rule 'io_bazel_rules_sass' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "6035f25dbcd1e5575a681f5d7b9d9821dde09fcf73ccea053d1bc1c9523b1a2a"
INFO: Analyzed target //src:prodapp (512 packages loaded, 17873 targets configured).
INFO: Found 1 target...
ERROR: G:/projects/demo3/src/BUILD.bazel:10:1: SassCompiler src/global_stylesheet.css failed (Exit 127)
/bin/bash: C:\users\user\_bazel_user\bobtdbm2\execroot\project\bazel-out\host\bin\external\io_bazel_rules_sass\sass\sass: command not found
Target //src:prodapp failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 453.200s, Critical Path: 3.04s
INFO: 0 processes.
FAILED: Build did NOT complete successfully
G:\Projects\demo3\node_modules\@bazel\bazel\node_modules\@bazel\bazel-win32_x64\bazel-0.26.1-windows-x86_64.exe failed with code 1.

🌍 Your Environment

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   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/


Angular CLI: 8.0.3
Node: 10.16.0
OS: win32 x64
Angular: 8.0.2
... animations, bazel, common, compiler, compiler-cli, core
... forms, language-service, platform-browser
... platform-browser-dynamic, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.800.3
@angular-devkit/build-angular     0.800.3
@angular-devkit/build-optimizer   0.800.3
@angular-devkit/build-webpack     0.800.3
@angular-devkit/core              8.0.3
@angular-devkit/schematics        8.0.3
@angular/cli                      8.0.3
@bazel/bazel                      0.26.1
@bazel/ibazel                     0.10.3
@bazel/karma                      0.31.1
@bazel/typescript                 0.31.1
@ngtools/webpack                  8.0.3
@schematics/angular               8.0.3
@schematics/update                0.800.3
rxjs                              6.4.0
typescript                        3.4.5
webpack                           4.30.0

Anything else relevant?

[doggy8088]

@meteorcloudy I already have PATH configured correctly. I never know there is a requirement for BAZEL_SH environment variable. After I add this to my user variables, everything works!

Thank you so much! 😍

I think this should be added to the Building with Bazel docs.

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