yum-axelget插件更新

周末花了一天时间，把 yum-axelget更新到Fedora20. 实现的基本原理就是：在Yum Code下载之前，用axel把所有需要的RPM/DRPM提前下载好。之前的版本有问题，主要是因为presto（Delta RPM）现在直接merge到Yum Core Code。

远期计划支持多种下载工具，让用户自己选择。

项目地址：http://yum-axelget.googlecode.com/

截图：

[ray@fedora yum-axelget]$ sudo yum install kernel-debug-devel
Loaded plugins: axelget, fastestmirror, priorities
No metadata available for fedora
No metadata available for rpmfusion-free
No metadata available for rpmfusion-free-updates
No metadata available for rpmfusion-nonfree
No metadata available for rpmfusion-nonfree-updates
No metadata available for updates
Finish Download MetaData of Enabled Repo
Loading mirror speeds from cached hostfile
 * fedora: opensource.nchc.org.tw
 * rpmfusion-free: mirror.bjtu.edu.cn
 * rpmfusion-free-updates: mirror.hust.edu.cn
 * rpmfusion-nonfree: mirror.bjtu.edu.cn
 * rpmfusion-nonfree-updates: mirror.hust.edu.cn
 * updates: opensource.nchc.org.tw
Resolving Dependencies
--> Running transaction check
---> Package kernel-debug-devel.x86_64 0:3.13.8-200.fc20 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================================================
 Package                                   Arch                          Version                                 Repository                      Size
======================================================================================================================================================
Installing:
 kernel-debug-devel                        x86_64                        3.13.8-200.fc20                         updates                        8.7 M

Transaction Summary
======================================================================================================================================================
Install  1 Package

Total download size: 8.7 M
Installed size: 32 M
Is this ok [y/d/N]: y
Downloading packages:
[1/1]Ok, try to use axel to download the following big file: 9075704 B
Initializing download: http://opensource.nchc.org.tw/fedora/linux/updates/20/x86_64/kernel-debug-devel-3.13.8-200.fc20.x86_64.rpm
File size: 9075704 bytes
Opening output file /var/cache/yum/x86_64/20/updates/packages/kernel-debug-devel-3.13.8-200.fc20.x86_64.rpm
Starting download

Connection 1 finished                                                          ]
Connection 2 finished                                                          ]
Connection 0 finished                                                          ]
Connection 3 finished                                                          ]
[100%] [..................................................] [   1.1MB/s] [00:00]

Downloaded 8863.0 kilobytes in 7 seconds. (1171.10 KB/s)
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : kernel-debug-devel-3.13.8-200.fc20.x86_64                                                                                          1/1 
  Verifying  : kernel-debug-devel-3.13.8-200.fc20.x86_64                                                                                          1/1 

Installed:
  kernel-debug-devel.x86_64 0:3.13.8-200.fc20                                                                                                         

Complete!