koreader / koreader / 1392

86%

Pull #1644

travis-ci

don't use tar.gz file extension for OTA
because ISP may cache gz files and confuse zsync protocol
When I wget the gz file it's redirected to a ISP cached file and zsync
will fail.
```
~ $ wget http://vislab.bjmu.edu.cn/apps/koreader/ota/koreader-kindle-arm-linux-gnueabi-v2014.11-348-gddc3619.tar.gz
--2015-09-26 10:55:54--
http://vislab.bjmu.edu.cn/apps/koreader/ota/koreader-kindle-arm-linux-gnueabi-v2014.11-348-gddc3619.tar.gz
Resolving vislab.bjmu.edu.cn (vislab.bjmu.edu.cn)... 202.112.180.24
Connecting to vislab.bjmu.edu.cn
(vislab.bjmu.edu.cn)|202.112.180.24|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location:
http://202.112.191.194/file/gz/<a class=hub.com/koreader/koreader/commit/2cd4eae05d961f8afe9ad99fb20288d4e735fbf4">2cd4eae05/vislab.bjmu.edu.cn/apps/koreader/ota/koreader-kindle-arm-linux-gnueabi-v2014.11-348-gddc3619.tar.gz
[following]
--2015-09-26 10:55:55--
http://202.112.191.194/file/gz/2cd4eae05d961f8afe9ad99fb20288d4e735fbf4/vislab.bjmu.edu.cn/apps/koreader/ota/koreader-kindle-arm-linux-gnueabi-v2014.11-348-gddc3619.tar.gz
```

7126 of 12581 relevant lines covered (56.64%)

120.72 hits per line