GitHub user 1ambda reopened a pull request:
https://github.com/apache/zeppelin/pull/2351
[ZEPPELIN-2544] clean task doesn't work in zeppelin-web
### What is this PR for?
`prebuild` task in package.json doesn't work for `build:*` tasks in
zeppelin-web
otherwise we will get overwritten result, if previous build for
zeppelin-web failed like
```
[INFO] Running "cacheBust:taskName" (cacheBust) task
[INFO] Warning: Unable to write
"/Users/jl/local/src/g/zeppelin/zeppelin-web/dist/styles/vendor.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.e7906afb60fa5267.css"
file (Error code: ENAMETOOLONG). Use --force to continue.
```
### What type of PR is it?
[Bug Fix]
### Todos
DONE
### What is the Jira issue?
[ZEPPELIN-2544](https://issues.apache.org/jira/browse/ZEPPELIN-2544)
### How should this be tested?
- `cd zeppelin-web`
- `npm run build:dist`
Then, check the console output whether `prebuild` is applied or not.
### Screenshots (if appropriate)
```
## Before
$ zeppelin-web git:(ZEPPELIN-2544/prebuild-does-not-work) npm run build:dist
> [email protected] build:dist
/Users/1ambda/github/apache/apache-zeppelin/zeppelin-master/zeppelin-web
> grunt pre-webpack-dist && webpack && grunt post-webpack-dist
## After
zeppelin-web git:(ZEPPELIN-2544/prebuild-does-not-work) â npm run
build:dist
> [email protected] build:dist
/Users/1ambda/github/apache/apache-zeppelin/zeppelin-master/zeppelin-web
> npm-run-all prebuild && grunt pre-webpack-dist && webpack && grunt
post-webpack-dist
```
### Questions:
* Does the licenses files need update? - NO
* Is there breaking changes for older versions? - NO
* Does this needs documentation? - NO
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/1ambda/zeppelin
ZEPPELIN-2544/prebuild-does-not-work
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2351.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2351
----
commit 47d4f87553ad60a4dacd0c5022bc84711e76f13e
Author: 1ambda <[email protected]>
Date: 2017-05-18T16:15:27Z
fix: Use prebuild in pcakage.json
----
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