0 Preface/Foreword

Git版本管控工具功能强大，在使用过程中，在多人合作的项目开发过程中，经常会遇到提交代码时出现的warning提醒，尤其是换行符。

Linux/Unix/Mac OS操作系统的换行符使用LF符号（\n），而Windows使用CR（\r）LF（\n）作为换行符。

CR：Carriage Return，回车，ASCII码0x0D

LF：Line Feed，换行，ASCII码0x0A

1 Usage

使用方法可参考文章：Configuring Git to handle line endings - GitHub Docs

[转载]通过阅读 git-config 文档理解 Git 如何使用autocrlf、safecrlf、eol和.gitattributes处理line-ending - 简书 

1.1 Warning

warning: LF will be replaced by CRLF in xxx file

 The file will have its origninal line endings in your working directory.

1.2 添加gitattributes文件

# Set the default behavior, in case people don't have core.autocrlf set.
* text=auto

# Explicitly declare text files you want to always be normalized and converted
# to native line endings on checkout.
#*.uvoptx text
#*.uvprojx text

# Declare files that will always have CRLF line endings on checkout
*.uvoptx text eol=lf
*.uvprojx text eol=lf

1.3 常用template file

# Help git with file types
* text=auto
*.o binary
*.obj binary
*.bin binary
*.lib binary
*.mbn  binary
*.svf binary

# Always use LF EOL on shell script files, otherwise Docker cannot run scripts
# in a folder mapped from Windows into the Docker container.
*.sh    eol=lf

# Documentation files are often changed in multiple concurrent branches.
# Use git union strategy when merging, so it keeps both side's modifications
# without conflicts.
README.md       merge=union
CHANGELOG.md    merge=union
RELEASENOTES.md merge=union