问题
I have created a white-list for text files only.
*
!*.txt
Now, I have an untracked text file in a sub-directory - sub/dir/file.txt, and this is NOT shown (it is ignored). Text files in the root directory are shown, however.
Why is that, and how do I fix it?
回答1:
If you try it that way, it'll fail, because you'll end up blacklisting the directories in your structure.
To solve, you want to blacklist everything that is not a directory, and is not one of the file-types you want to commit, while not blacklisting directories.
The .gitignore file that will do this:
# First, ignore everything
*
# Now, whitelist anything that's a directory
!*/
# And all the file types you're interested in.
!*.one
!*.two
!*.etc
Tested this in a three-level structure white-listing for .txt files in the presence of *.one, *.two and *.three files using a .gitignore located in the root directory of the repository - works for me. You won't have to add .gitignore files to all directories in your structure.
Information I used to figure out the answer came from, amongst other things, this (stackoverflow.com).
来源：https://stackoverflow.com/questions/9162919/whitelisting-and-subdirectories-in-git