Hey,
On Mon, May 17, 2021 at 9:30 AM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:
>
> After commit 45107ff6d526 ("checkpatch: if no filenames then read stdin"),
> if no filenames are given, it will read patch from stdin rather than exit
> directly, it is a bit confusing whether the script hangs, I do not quite
> know what to do next util I understand the code logic.
util -> until
>
> At the beginning, I want to print some info if no filenames are given [1],
> but as Joe Perches said, this is unnecessary. It's like trying to make cat
> without command line arguments emit something.
>
> So as Lukas Bulwahn suggested, add description for somebody that actually
> reads the available kernel documentation on checkpatch.
>
> [1] https://lore.kernel.org/patchwork/patch/1429026/
>
> Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
> ---
> Documentation/dev-tools/checkpatch.rst | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst
> index 51fed1b..181b95e 100644
> --- a/Documentation/dev-tools/checkpatch.rst
> +++ b/Documentation/dev-tools/checkpatch.rst
> @@ -210,6 +210,8 @@ Available options:
>
> Display the help text.
>
> +When FILE is -, or no filenames are given, read standard input.
> +
The addition is reasonable but the position of the text is a bit weird.
Let's have it after the Usage:: text:
-----------
diff --git a/Documentation/dev-tools/checkpatch.rst
b/Documentation/dev-tools/checkpatch.rst
index d4bb55723a86..7bf1e48207ce 100644
--- a/Documentation/dev-tools/checkpatch.rst
+++ b/Documentation/dev-tools/checkpatch.rst
@@ -22,6 +22,8 @@ Usage::
./scripts/checkpatch.pl [OPTION]... [FILE]...
+When FILE is -, or absent, checkpatch reads from standard input.
+
Available options:
- -q, --quiet
@@ -210,7 +212,6 @@ Available options:
Display the help text.
-When FILE is -, or no filenames are given, read standard input.
Message Levels
==============
-------------
Thanks,
Dwaipayan.
