Visual Studio推送代码至GitHub失败，Git报致命错误求解决

Hey there, let's tackle this push failure you're facing—those error messages are pointing straight to an authentication issue where Git can't prompt you for your GitHub credentials. Here's a breakdown of the problem and step-by-step fixes:

What's Causing the Error? #

The key lines in your error log tell the whole story:

cannot spawn askpass: No such file or directory
could not read Username for 'https://github.com': terminal prompts disabled

This means Git tried to request your GitHub username and access token (note: GitHub no longer accepts account passwords for pushes) but hit a wall. Either it couldn't find a tool to show a graphical prompt, or terminal prompts were disabled so it couldn't ask you directly. Without valid credentials, GitHub rejects the push outright.

Step-by-Step Fixes #

1. Configure Git to Store Your Credentials (Recommended) #

Set up Git's credential helper to remember your GitHub personal access token (PAT) so you don't have to enter it every time:

• Windows:

  git config --global credential.helper wincred
  

• Mac:

  git config --global credential.helper osxkeychain
  

• Linux (use cautiously on public machines):

  git config --global credential.helper store
  

After running this, try pushing again. The first time, you'll be prompted to enter your GitHub username and personal access token (generate one in GitHub's Settings > Developer Settings > Personal access tokens, with the repo permission enabled). Git will store these credentials securely for future pushes.

2. Switch to SSH for Remote Repository Access #

SSH links eliminate the need for username/token prompts entirely (once your SSH key is set up on GitHub):

1. Check your current remote URL:

   git remote -v
   

2. If it starts with https://, replace it with the SSH format:

   git remote set-url origin git@github.com:YourUsername/YourRepositoryName.git
   

Make sure you've added your local SSH public key to your GitHub account (Settings > SSH and GPG keys) before trying this method.

3. Temporarily Enable Terminal Prompts (Quick Fix) #

If you just need to push once right away, disable the askpass helper to force Git to prompt you directly in the terminal:

git config --global --unset core.askpass

Or set it to an empty value:

git config --global core.askpass ""

Then run your push command again—you'll see a prompt to enter your GitHub username and PAT to complete the push.

内容的提问来源于stack exchange，提问作者Antero00