Re: [cocci] spatch --use-patch-diff broken?

[Jakub Kicinski <kuba@kernel.org>]

On Mon, 5 Feb 2024 20:39:16 +0100 (CET) Julia Lawall wrote:
> On Mon, 5 Feb 2024, Jakub Kicinski wrote:
> > I've been trying to run coccicheck with --use-patch-diff
> > to try to limit the number of processed files. I _think_
> > it worked when I set it up early last month but recently
> > I went back to check and make coccicheck stops after
> > the first spatch call, all it prints is "hd"
> >
> > https://netdev-3.bots.linux.dev/cocci/results/452585/new
> >
> > spatch seems to work fine when run without --use-patch-diff
> > cocci version is the latest from git as of $now
> >
> > FWIW the git hashes are from this tree:
> > https://github.com/linux-netdev/testing.git
> > (probably best to clone that thing with --depth $number)  
> 
> It might help to drop the --very-quiet argument.  Then you might get more
> information about the source of the problem.

I was looking for a --verbose argument, I didn't spot the --very-quiet
:)  No luck, sadly:

$ /usr/local/bin/spatch -D report --cocci-file ./scripts/coccinelle/api/err_cast.cocci --no-includes --include-headers --dir . -I ./arch/x86/include -I ./arch/x86/include/generated -I ./include -I ./arch/x86/include/uapi -I ./arch/x86/include/generated/uapi -I ./include/uapi -I ./include/generated/uapi --include ./include/linux/compiler-version.h --include ./include/linux/kconfig.h --jobs 48 --chunksize 1 --use-patch-diff b9f2444cd114a7f9c44950dc850aa1753b3edd94..be5bf59888403413619dd74e0d5f5386ffafbc90
init_defs_builtins: /usr/local/lib/coccinelle/standard.h
grep: warning: + at start of expression
grep: warning: + at start of expression
grep: warning: + at start of expression
hd

FWIW:

$ ocaml --version
The OCaml toplevel, version 4.13.1