switch to yarn for publishing

[fearthecowboy]

No description provided.

[msftclas]

@fearthecowboy,
Thanks for your contribution as a Microsoft full-time employee or intern. You do not need to sign a CLA.
Thanks,
Microsoft Pull Request Bot

[olydis]

publish job

failed

npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.

> dotnet-2.0.0@1.2.0 postinstall C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\node_modules\dotnet-2.0.0
> node -e "try { fs.statSync('./dist/app.js') ; require('./dist/app.js')} catch (e){}"

Recording package path for platform-specific runtime: C:\Users\ci\.net\2.0.0\node_modules\dotnet-2.0.0-win\

> dotnet-sdk-2.0.0@1.2.0 postinstall C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\node_modules\dotnet-sdk-2.0.0
> node -e "try { fs.statSync('./dist/app.js') ; require('./dist/app.js')} catch (e){}"

Recording package path for platform-specific runtime: C:\Users\ci\.net\2.0.0\node_modules\dotnet-sdk-2.0.0-win\

> @microsoft.azure/autorest.modeler@2.0.0 prepare C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler
> gulp build

[15:25:23] Using gulpfile ~\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\gulpfile.js
[15:25:23] Starting 'init'...
[15:25:23] Finished 'init' after 356 μs
[15:25:23] Starting 'clear-cache-on-force'...
[15:25:23] Finished 'clear-cache-on-force' after 48 μs
[15:25:23] Starting 'restore'...
[15:25:23] Starting 'version-number'...
[15:25:24] Finished 'version-number' after 1.61 s
           C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: dotnet restore C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\src\autorest.modeler.csproj /nologo
           C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: dotnet restore C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\test\autorest.modeler.test.csproj /nologo
[15:25:39] Finished 'restore' after 16 s
[15:25:39] Starting 'build/dotnet'...
           C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: dotnet build -c Debug C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler/autorest.modeler.sln /nologo /clp:NoSummary /p:VersionPrefix=2.0.15
           C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: dotnet publish -c Debug C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler/src/ --output C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler/src//bin/netcoreapp2.0 /nologo /clp:NoSummary /p:VersionPrefix=2.0.15
[15:26:25] Finished 'build/dotnet' after 46 s
[15:26:25] Starting 'build'...
Building project in C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler
[15:26:25] Finished 'build' after 322 μs
npm notice created a lockfile as package-lock.json. You should commit this file.
added 288 packages in 123.438s

> @microsoft.azure/autorest.modeler@2.0.0 publish-preview C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler
> gulp publish-preview

[15:26:29] Using gulpfile ~\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler\gulpfile.js
[15:26:29] Starting 'init'...
[15:26:29] Finished 'init' after 319 μs
[15:26:29] Starting 'version-number'...
[15:26:29] Finished 'version-number' after 218 ms
[15:26:29] Starting 'publish-preview'...
           C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler/node_modules/.bin/yarn publish --tag preview
Exec Failed C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler :: C:\Users\ci\AppData\Local\Temp\PUBLISHugt8j\12_20170922T222418\autorest.modeler/node_modules/.bin/yarn publish --tag preview
(stderr)
  error An unexpected error occurred: "Can't answer a question unless a user TTY".


(stdout)
yarn publish v1.0.2
[1/4] Bumping version...
info Current version: 2.0.15
info If you think this is a bug, please open a bug report with the information provided in "C:\\Users\\ci\\AppData\\Local\\Temp\\PUBLISHugt8j\\12_20170922T222418\\autorest.modeler\\yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/publish for documentation about this command.


Task Failed:  Execute Task failed, fast exit

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @microsoft.azure/autorest.modeler@2.0.0 publish-preview: `gulp publish-preview`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the @microsoft.azure/autorest.modeler@2.0.0 publish-preview script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\ci\AppData\Roaming\npm-cache\_logs\2017-09-22T22_26_31_234Z-debug.log