Re: [PATCH v2] tools/power/acpi: exclude tools/* from .gitignore pattern

[Rafael J. Wysocki]

On Wednesday, May 1, 2019 3:53:05 PM CEST Masahiro Yamada wrote:
> tools/power/acpi/.gitignore has the following entries:
> 
>   acpidbg
>   acpidump
>   ec
> 
> They are intended to ignore the following build artifacts:
> 
>   tools/power/acpi/acpidbg
>   tools/power/acpi/acpidump
>   tools/power/acpi/ec
> 
> However, those .gitignore entries are effective not only for the
> current directory, but also for any sub-directories.
> 
> So, from the point of .gitignore grammar, the following check-in
> directories are also considered to be ignored:
> 
>   tools/power/acpi/tools/acpidbg
>   tools/power/acpi/tools/acpidump
>   tools/power/acpi/tools/ec
> 
> As the manual gitignore(5) says "Files already tracked by Git are not
> affected", this is not a problem as far as Git is concerned.
> 
> However, Git is not the only program that parses .gitignore because
> .gitignore is useful to distinguish build artifacts from source files.
> 
> For example, tar(1) supports the --exclude-vcs-ignore option. As of
> writing, this option does not work perfectly, but it intends to create
> a tarball excluding files specified by .gitignore.
> 
> So, I believe it is better to fix this issue.
> 
> You can fix it by prefixing the pattern with a slash; the leading slash
> means the specified pattern is relative to the current directory.
> 
> I also prefixed the "include" consistently. IMHO, it is safer when you
> intend to ignore specific files or directories.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> ---
> 
> Changes in v2:
>   - Add more information to the commit log to clarify my main motivation
> 
>  tools/power/acpi/.gitignore | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/power/acpi/.gitignore b/tools/power/acpi/.gitignore
> index cba3d99..f698a0e 100644
> --- a/tools/power/acpi/.gitignore
> +++ b/tools/power/acpi/.gitignore
> @@ -1,4 +1,4 @@
> -acpidbg
> -acpidump
> -ec
> -include
> +/acpidbg
> +/acpidump
> +/ec
> +/include/
> 

I actually have applied this one, not the v1, sorry for the confusion.