sudo rosdep init update 出错的最新解决方案

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问题分析

安装ros 执行sudo rosdep init 或者rosdep update出错的主要原因：https://raw.githubusercontent.com网站国内访问受限。

最新解决方案

原理

既然网站服务器访问受限，不如把服务器中的文件拷贝下来，在本地进行 init和update.

第一步下载服务器中的文件

打开终端，输入下面指令：

git clone https://github.com/ros/rosdistro.git

最终会得到所用的文件，文件路径为（注意user替换为自己的用户名）：

/home/user/rosdistro

第二步修改文件

20-default.list文件,将服务器地址更换为本地。

sudo gedit /home/user/rosdistro/rosdep/sources.list.d/20-default.list

# os-specific listings first
yaml file:///home/yourname/rosdistro/rosdep/osx-homebrew.yaml osx# generic
yaml file:///home/user/rosdistro/rosdep/base.yaml
yaml file:///home/user/rosdistro/rosdep/python.yaml
yaml file:///home/user/rosdistro/rosdep/ruby.yaml
gbpdistro file:///home/user/rosdistro/releases/fuerte.yaml fuerte# newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead

gbpdistro_support.py 文件，同理。

sudo gedit /usr/lib/python2.7/dist-packages/rosdep2/gbpdistro_support.py

FUERTE_GBPDISTRO_URL = 'file:///home/user/rosdistro/releases/fuerte.yaml'

rep3.py文件

sudo gedit /usr/lib/python2.7/dist-packages/rosdep2/rep3.py

REP3_TARGETS_URL = 'file:///home/user/rosdistro/releases/targets.yaml'

_init_.py文件

sudo gedit /usr/lib/python2.7/dist-packages/rosdistro/__init__.py

DEFAULT_INDEX_URL = 'file:///home/user/rosdistro/index-v4.yaml'

第三步创建20-default.list文件，模拟执行rosdep init的过程

sudo mkdir -p /etc/ros/rosdep/sources.list.d
cd /etc/ros/rosdep/sources.list.d
sudo touch 20-default.list
sudo gedit 20-default.list

复制以下内容，保存退出。

#os-specific listings first
yaml file:///home/user/rosdistro/rosdep/osx-homebrew.yaml osx
#generic
yaml file:///home/user/rosdistro/rosdep/base.yaml
yaml file:///home/user/rosdistro/rosdep/python.yaml
yaml file:///home/user/rosdistro/rosdep/ruby.yaml
gbpdistro file:///home/user/rosdistro/releases/fuerte.yaml fuerte#newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead

第四步执行rosdep update命令

rosdep update

reading in sources list data from /etc/ros/rosdep/sources.list.d
Hit file:///home/user/rosdistro/rosdep/osx-homebrew.yaml
Hit file:///home/user/rosdistro/rosdep/base.yaml
Hit file:///home/user/rosdistro/rosdep/python.yaml
Hit file:///home/user/rosdistro/rosdep/ruby.yaml
Hit file:///home/user/rosdistro/releases/fuerte.yaml
Query rosdistro index file:///home/user/rosdistro/index-v4.yaml
Skip end-of-life distro "ardent"
Add distro "bouncy"
Add distro "crystal"
Add distro "dashing"
Add distro "eloquent"
Skip end-of-life distro "groovy"
Skip end-of-life distro "hydro"
Skip end-of-life distro "indigo"
Skip end-of-life distro "jade"
Add distro "kinetic"
Skip end-of-life distro "lunar"
Add distro "melodic"
updated cache in /home/user/.ros/rosdep/sources.cache