Visual Studio Code is always asking for Git credentials

Why does Visual Studio Code ask for a password? Because Visual Studio Code runs the auto-fetch feature, while the Git server doesn’t have any information to authorize your identity. It happens when:

• Your Git repository has a https remote URL. Yes! This kind of remote will absolutely ask you every time. No exceptions here! (You can do a temporary trick to cache the authorization as the solution below, but this is not recommended.)
• Your Git repository has ssh remote URL, but you’ve not copied your ssh public key onto the Git server. Use ssh-keygen to generate your key and copy it to Git server. Done! This solution also helps you never retype password on terminal again. See a good instruction by @Fnatical here for the answer.

The updated part at the end of this answer doesn’t really help you at all. (It actually makes you stagnant in your workflow.) It only stops things happening in Visual Studio Code and moves these happenings to the terminal.

Sorry if this bad answer has affected you for a long, long time.

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The original answer (bad)

I found the solution on Visual Studio Code document:

Tip: You should set up a credential helper to avoid getting asked
for credentials every time VS Code talks to your Git remotes. If you
don’t do this, you may want to consider Disabling Autofetch in the …
menu to reduce the number of prompts you get.

So, turn on the credential helper so that Git will save your password in memory for some time. By default, Git will cache your password for 15 minutes.

In Terminal, enter the following:

git config --global credential.helper cache
# Set Git to use the credential memory cache

To change the default password cache timeout, enter the following:

git config --global credential.helper 'cache --timeout=3600'
# Set the cache to timeout after 1 hour (setting is in seconds)

If the original answer doesn’t work

I installed Visual Studio Code and configuration same above, but as @ddieppa said, It didn’t work for me too. So I tried to find an option in User Setting, and I saw “git.autofetch” = true, now set it’s false! Visual Studio Code is no longer required to enter password repeatedly again!

In menu File → Preferences → User Setting:
Type these:

Place your settings in this file to overwrite the default settings:

{
  "git.autofetch": false
}