Let’s talk about how to modify the configuration file in git

Git is one of the most commonly used version control systems at present. It can help users manage code, retain historical records and collaborate on development. In the process of using Git, we often need to modify configuration files to meet our own needs. The following is a detailed introduction on how to modify the Git configuration file.

1. Find the Git configuration file

Users can view all the current Git configuration information, including global, local and system, by entering the command "git config --list" in the terminal. level configuration.

• Global-level configuration files are stored in the .gitconfig file in the user directory;
• Local-level configuration files are stored in the config file in the Git repository directory;
• System-level configuration files are stored in the etc/gitconfig file in the Git installation directory.

Therefore, we need to find the configuration file to be modified before we can perform the corresponding configuration operation.

2. Modify the Git configuration file

1. Modify the user name and email address

In Git, each submission needs the author’s name and email address email address. In order to facilitate management, we can configure Git to use our commonly used username and email address.

The command format is as follows:

$ git config [--global] user.name "[name]" #配置用户名
$ git config [--global] user.email "[email address]" #配置邮箱

Among them, [--global] means to apply the configuration to the entire system.

2. Configuring Git command aliases

In Git, there may be some commonly used commands that are cumbersome. We can simplify the operation by configuring aliases.

The command format is as follows:

$ git config [--global] alias.[alias-name] [original-command] #配置命令别名

For example, we can simplify the "git status" command to "gs":

$ git config --global alias.gs status

In this way, you only need to enter "git gs" in the future You can execute the "git status" command.

3. Set the default editor

In Git, if you do not specify an editor, the vim editor that comes with the system will be used by default. If we are used to using other editors, we can modify it through configuration.

The command format is as follows:

$ git config [--global] core.editor [editor name] #设置默认编辑器

For example, if we want to use the sublime editor, we can enter the following command:

$ git config --global core.editor "subl -n -w"

4. Modify the password cache time

Git will cache the user's account password on GitHub in memory so that you do not need to enter the password for a certain period of time. We can modify the password cache time through configuration.

The command format is as follows:

$ git config [--global] credential.helper 'cache --timeout=[time in seconds]' #设置缓存时间

For example, if we want to set the cache time to 1 hour, we can enter the following command:

$ git config --global credential.helper 'cache --timeout=3600'

5. Specify diff and merge Tools

Git uses its own diff and merge tools by default. If we like other tools, we can specify them through configuration.

The command format is as follows:

$ git config [--global] difftool.[tool] [tool path] #指定diff工具
$ git config [--global] mergetool.[tool] [tool path] #指定merge工具

For example, if we want to use the Beyond compare tool, enter the following command:

$ git config --global difftool.bc3.path "/usr/local/bin/bcomp"
$ git config --global mergetool.bc3.path "/usr/local/bin/bcomp"

The above introduces some common configurations of Git configuration files. Users can make personalized modifications according to their own needs. Modifying the Git configuration file can improve work efficiency to a certain extent. I hope this article will be helpful to everyone.

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