如何避免向Git开源仓库误传密码？配置文件安全上传方案咨询

First, to answer your initial question: Yes, that's correct. If you add your configuration file to .gitignore, Git will completely ignore it—it won't be tracked, committed, or pushed to GitHub. But since you want to upload the config file (with fake credentials) while keeping your real ones safe locally, this isn't the right approach for your needs.

Here are two reliable methods to achieve what you want:

Method 1: Use a Local Override File (Recommended) #

This is the most straightforward and maintainable approach, as it avoids messing with Git's internal flags.

• Step 1: Create your main config file (e.g., config.json) with fake credentials and default settings, then commit and push it to GitHub. This is the version that other users will see and use as a template.
• Step 2: Create a local override file (e.g., config.local.json) that contains your real credentials and any local-specific settings. Add this file to .gitignore so it never gets pushed to GitHub.
• Step 3: Modify your application code to load the main config.json first, then override its values with those from config.local.json if the file exists. This way, your app uses the real credentials locally, but the public repo only has fake ones.
• Step 4: When you need to update the config file structure (add new settings), edit the main config.json with fake/default values, commit, and push. Then update your local config.local.json to include the new settings with real values if needed.

Method 2: Use Git's skip-worktree Flag #

This method lets you keep the config file tracked in Git (with fake values) but ignore local changes to it.

• Step 1: Commit and push your config file with fake credentials to GitHub as usual.
• Step 2: On your local machine, replace the fake credentials with real ones. Git will now show the file as modified.
• Step 3: Run this command to tell Git to ignore local changes to the file:

  git update-index --skip-worktree path/to/your/config/file
  

  Now, git status won't show the file as modified, so you won't accidentally commit your real credentials.
• Step 4: When you need to update the config file (add new settings, change structure):
  1. Temporarily disable the skip-worktree flag:

     git update-index --no-skip-worktree path/to/your/config/file
     

  2. Replace your real credentials with fake ones, then edit the file to add the new settings (keeping fake values for sensitive fields).
  3. Commit and push the updated config file to GitHub.
  4. Put your real credentials back into the local file, then re-enable the skip-worktree flag with the original command.

Important Notes: #

• Avoid using git update-index --assume-unchanged—this flag is designed for cases where the file is unchanged on disk, and it can cause conflicts if the remote version of the file is updated. skip-worktree is the correct choice for files you want to modify locally without pushing changes.
• Always double-check your commits before pushing to ensure you haven't accidentally included real credentials. You can use git diff to review changes before committing.

内容的提问来源于stack exchange，提问作者aalku