On Wed, Mar 9, 2016 at 1:10 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> diff --git a/Documentation/gitignore.txt b/Documentation/gitignore.txt
> index 3ded6fd..91d1ce2 100644
> --- a/Documentation/gitignore.txt
> +++ b/Documentation/gitignore.txt
> @@ -148,7 +148,43 @@ excluded, the following conditions must be met:
> be in the same .gitignore file.
>
> - The directory part in the re-include rules must be literal (i.e. no
> - wildcards)
> + wildcards and has to start with a `/`).
Technically '/' can just appear anywhere in the pattern, except at the
end. But because the patterns in question must look like this
dir # or any pattern, even "*"
!dir/someth*ng
even if there is a slash at the end (and is ignored), we are still
good. Not sure how to phrase that though.
> +
> +A re-inclusion of a directory makes all files in the directory
> +unignored. For example, suppose you have files `.gitignore`,
> +`dir/file1`, `dir/file2`, and `dir/file3`, and have the following in
> +your `.gitignore`:
> +
> +----------------
> +# .gitignore is not mentioned in .gitignore
> +*
> +!/dir
> +# dir/file1 is not mentioned in .gitignore
> +dir/file2
> +!dir/file3
> +----------------
> +
> +Then:
> +
> + - `.gitignore` gets ignored, because it matches the `*` at the top
> + level;
> +
> + - `dir/file1` does not get ignored, because `/dir` marks everything
> + underneath `dir/` directory to be 're-included' unless otherwise
> + specified;
> +
> + - `dir/file2` gets ignored, because `dir/file2` matches it.
> +
> + - `dir/file3` does not get ignored, because `!dir/file3` matches it.
> + Note that the entry `!dir/file3` is redundant because everything
> + underneath `dir/` is marked to be 're-included' already.
> +
> +Some earlier versions of Git treated `!/dir` above differently in
> +that it did not cause the paths under it unignored (but merely told
> +Git that patterns that begin with dir/ should not be ignored), but
> +this has been corrected to be consistent with `/dir` that says "the
> +directory `dir/` and everything below are ignored."
> +
Looks good.
--
Duy
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