Unable to setup fork of project

[JanMalch]

What are you trying to do?

I'm trying to clone my fork of the repository and run yarn test. After a while I get the error the command "patch" is either misspelled or could not be found.

What troubleshooting steps have you tried?

Verified installations, removed files and cloned again

Reproduction

> ver
Microsoft Windows [Version 10.0.17134.1069]

> node --version
v10.16.3

> yarn --version
1.19.1

> gulp --version
CLI version: 2.2.0
Local version: Unknown

> git clone https://github.com/JanMalch/components.git
Cloning into 'components'...
remote: Enumerating objects: 81681, done.
remote: Total 81681 (delta 0), reused 0 (delta 0), pack-reused 81681
Receiving objects: 100% (81681/81681), 27.41 MiB | 58.00 KiB/s, done.
Resolving deltas: 100% (62795/62795), done.
Checking out files: 100% (3340/3340), done.

> cd components && yarn install
...
Done in 133.94s

> gulp material:build
...
Finished 'material:build' after 2.33 min

> yarn test
yarn run v1.19.1
$ bazel test //src/... --test_tag_filters=-e2e,-browser:firefox-local --build_tag_filters=-browser:firefox-local --build_tests_only
Starting local Bazel server and connecting to it...
...
ERROR: An error occurred during the fetch of repository 'npm':
   yarn_install failed: $ node ./tools/npm/check-npm.js
[1/5] Validating package.json...
[2/5] Resolving packages...
[3/5] Fetching packages...
...
[4/5] Linking dependencies...
[5/5] Building fresh packages...
$ node --preserve-symlinks --preserve-symlinks-main tools/bazel/postinstall-patches.js
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
 (warning @angular-devkit/core@9.0.0-next.9: The engine "pnpm" appears to be invalid.
warning @angular-devkit/schematics@9.0.0-next.9: The engine "pnpm" appears to be invalid.
warning @schematics/angular@9.0.0-next.9: The engine "pnpm" appears to be invalid.
warning " > tsickle@0.35.0" has incorrect peer dependency "typescript@~3.4.1".
warning " > codelyzer@5.1.1" has incorrect peer dependency "@angular/compiler@>=2.3.1 <9.0.0 || >8.0.0-beta <9.0.0 || >8.1.0-beta <9.0.0 || >8.2.0-beta <9.0.0".
warning " > codelyzer@5.1.1" has incorrect peer dependency "@angular/core@>=2.3.1 <9.0.0 || >8.0.0-beta <9.0.0 || >8.1.0-beta <9.0.0 || >8.2.0-beta <9.0.0".
warning " > ts-api-guardian@0.4.6" has incorrect peer dependency "typescript@~3.4.0".
the command "patch" is either misspelled or could not be found
...

Environment

• Operating System (e.g. Windows, macOS, Ubuntu): Microsoft Windows [Version 10.0.17134.1069]

[devversion]

You need to have the patch binary in your environment. patch is used by various Bazel rules, and by our postinstall scripts. Let me know if that solves your issue. I'm closing this issue for now, but feel free to comment here. I'll be happy to reply if needed.

https://docs.bazel.build/versions/master/install-windows.html

[JanMalch]

Thanks, it works now!
I didn't know you had to install Bazel and MSYS2.
Would a PR adding this to the DEV_ENVIRONMENT.md be fitting?

[devversion]

Definitely. Feel free to create a PR. I would be happy to review it!

[devversion]

Technically Bazel does not have to be installed manually, since we download it through Yarn, but it would be good noting that additional setup could be required (e.g. on windows)

[JanMalch]

That's true. The bazel command was already working. Just patch was missing, which I installed with MSYS2. I'll update the file accordingly.

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