What does git add mean?

"git add" means "tracking new files", or adding content from the working directory to the staging area; the "git add" command can not only track a single file, but also the entire directory, and even Track multiple directories and files simultaneously.

The operating environment of this tutorial: Windows 7 system, Git version 2.30.0, Dell G3 computer.

git addWhat does it mean? In official terms: track new files, or add content from the working directory to the staging area.

The function of git add is to add the code we need to submit from the workspace to the temporary storage area, which is to tell the git system which files we want to submit, and then we can use the git commit command Submitted.

Use a case in life to explain:

git add Just like when you go shopping in the supermarket and load a large cart with a shopping cart products (similar to modified files), and then go to the checkout counter to check out. Since you have selected a lot of products at one time, you may hesitate to buy them all; at this time, you can check out the products one by one. Take it to the cashier and scan the QR code for settlement (similar to git add fileA, git add fileB..., that is, add specified files), or you can buy them all if you are rich (similar to git add ./, that is, add all files) , the next step is to pay the bill and take it home (git commit and git push).

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Track a single file "git add <file>..."

$ git add yourFileName

If you create a For a file named "newFile.md", when you check the status through the git status command, it should look like this:

$ git status # 查看当前目录的文件状态
On branch master  
Your branch is up-to-date with 'origin/master'. # origin/master表示 “远程master分支”

Untracked files: # 未追踪的文件列表
  (use "git add <file>..." to include in what will be committed) # 可以用 “git add <file>...”命令来追踪文件以便提交

        newFile.md        # 这里通常是“红色”的

nothing added to commit but untracked files present (use "git add" to track)

Execute "git add <file>...":

$ git add newFile.md # 追踪newFile.md文件
$ git status # 查看当前目录的文件状态
On branch master
Your branch is up-to-date with 'origin/master'.

Changes to be committed:
  (use "git reset HEAD <file>..." to unstage) # 可以使用"git reset HEAD <file>..."命令来放弃追踪文件，即取消追踪

        new file:   newFile.md # 这里通常是“绿色”的

Track multiple files (folders) "git add ./"

$ git add ./ # 在真实开发过程中，这种追踪文件的方式最常用

The git add command can not only track a single file, but also track an entire directory (such as tracking srcdirectory commandgit add ./src), or even track multiple directories and files at the same time. (For example, track all files and folders in the current directory using the command git add ./).

Recommended learning: "Git Tutorial"

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