Detailed explanation of the basic operations of Git logs (check and change)

As the software development process deepens, the importance of version control systems becomes more and more obvious. Among them, Git, as a popular distributed version control tool, is widely used in software development. In our daily use of Git, we often need to view and modify Git logs. This article will introduce the details of Git logs and modifications.

1. Introduction to Git log

1. What is Git log?
   Git log is a record of all submissions and their submission information in the Git warehouse. We can query the commit history in the Git repository based on this to understand other people's work or track our own work. Git logs come in different formats and can be viewed using different commands.
2. What are the uses of Git logs?
   Git logs can be applied to different stages of the software development process in the following ways:
   (1) View the commit history and understand the changes made by developers in the warehouse.
   (2) Track the history of specific issues or bug fixes.
   (3) View the differences between branches before merging them.
   (4) Understand the version information and release history in the warehouse.
3. The basic structure of Git log
   The submission log mainly consists of the following parts:
   (1)The submitter’s name and email address
   (2)The submission timestamp
   ( 3) Submit message
   (4) Submit hash value

2. Basic operations of Git log

1. View Git log
   The most commonly used method to view Git log The command is git log. To display only the most recent n commits in the console, you can use the git log -n command. In addition, you can use some parameters to control the format and amount of displayed log information. For example, use git log --oneline to display just one line of the commit summary. --pretty=format:"%h %s" You can customize the format of each submission log display. For more details, please use the git log --help command to view.
2. Searching Git Logs
   It's not uncommon to search Git logs for a specific string or to filter commits. For example, use git log -S <string> to search for commits that contain a specific string in their commit message. git log --author=<pattern> You can use wildcards to filter the name of the committer. Other options like filtering submissions by date and more.
3. Modify Git log
   If you need to change the Git log, such as changing the commit message or timestamp, you can use the git commit --amend command. This command will allow you to change the commit timestamp by editing the commit message or using the --date option.

3. Best practices for modifying Git logs

1. Modify Git logs with caution
   Although Git logs can be modified, modifications need to be done with caution, otherwise the project may be destroyed Integration history and work submitted by others.
2. Maintain Git log consistency
   When committing to remote repositories or sharing work with other developers, follow the Git log modification policy that your team has established when possible. It's useful to keep the format and content of each commit message consistent.
3. Writing meaningful Git commit messages
   Writing meaningful commit messages is a great way to write clean, well-organized Git logs. Keep commit messages concise, descriptive, and easy to understand. It might be easy to simply list all the changes, but providing context and purpose in the commit message will make it easier for others to understand their reasons.

In summary, Git logs are very important to the software development process. As with other software development tools, mastering the basic concepts, operations, and best practices of Git logging will enable you to better manage and track your code.

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