Curl should fail when it can't succeed

[joshbuddy]

Noticed a problem where bitbucket isn't returning the correct file, this should fix it.

[mennomenno]

I'm piggybacking on this issue to add some info for those running into somewhat surprising error messages when curl fails. If you're running into this with phantomjs-gem 1.9.7.0:

Phantomjs does not appear to be installed in /home/whatever/.phantomjs/1.9.7/x86_64-linux/bin/phantomjs, installing!
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 14134  100 14134    0     0  15757      0 --:--:-- --:--:-- --:--:-- 15756
bunzip2: phantomjs-1.9.7-linux-x86_64.tar.bz2 is not a bzip2 file.
tar: phantomjs-1.9.7-linux-x86_64.tar: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now

It could well be because the download urls are outdated and the curl command happily puts a 403 page in the tar.bz2 file (which bunzip2 isn't too happy about of course). Update to 1.9.7.1 and you get working downloads again.

+1 for making this curl call more robust.

[jaurand]

I tried putting 1.9.7.1 in our gemfile and I got this:

Fetching gem metadata from https://rubygems.org/........
Fetching additional metadata from https://rubygems.org/..
Resolving dependencies...
You have requested:
phantomjs >= 1.9.7.1

The bundle currently has phantomjs locked at 1.9.7.0.
Try running bundle update phantomjs