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git使用http协议传输时每次需要输入用户名密码，我又比较懒，刚好zzz同学发了个解决方法，抽空深入了解了一下。

TripleZ's blog

解决方法

git 配置 (gitcredentials)

• gitcredentials - providing usernames and passwords to Git

  DOC

• git 凭证存储策略

  • 默认不存储

  • "cache"模式

    • 命令git config --global credential.helper cache默认存储15分钟

    • 自定义存储时间git config credential.helper 'cache --timeout=3600'

  • "store"模式

    • 凭证长期但以明文存储在home目录
  • Mac git的"osxkeychain"模式
    • 凭证长期且解密存储在磁盘上
  • windows "winstore"工具
    • 与Mac上类似，长期且加密存储
• 用法
  • git 的配置选项
    1. git config --global credential.helper [cache --timeout=3600|store --file=/.../example/filename|osxkeychain]
       括号中其中一个模式
    2. .gitconfig文件
       [credential]
helper = store --file /.../example/filename
helper = cache --timeout 36000
...
       git 按配置文件中的顺序搜索直至找到可用凭证
• 示例

  $ git config credential.helper store
  $ git push http://example.com/repo.git
  Username: 
  Password: 
  
  [several days later]
  $ git push http://example.com/repo.git
  [your credentials are used automatically]
  

git credential

• git-credential - Retrieve and store user credentials

  git config --global credential.helper 配置credential时修改了git credential 的配置文件

  git credentials文档

• 与 git 相互独立的 git credential 工具

  git credential [fill|approve|reject]
  

• I/O format
  • protocol (e.g.,https)

  • host remote hostname

  • path repository's path on the server

  • username credential's username (e.g.,github username)

  • password credential's password (e.g.,github password)

  • url could included almost all attribute.

    • eg:url=https://username@example.com will be parsed as protocol=https , username=username , host=example.com

    • WARN:if define "url" at last,the above attributes could be rewrite

      protocol=http
      host=aaa.com
      username=foxwest
      url=https://403forbidden.website
      

      the config would be parsed as

      protocol=https
      username=NULL(empty)
      host=403forbidden.website
      

git credential-manager (GCM on windows)

• DOC

关于自定义凭证存储命令

• 见 git credential 文档