On Thu, Dec 29, 2022 at 1:48 AM Nicolas Schier <nicolas@xxxxxxxxx> wrote:
>
> On Sun 25 Dec 2022 00:51:38 GMT, Masahiro Yamada wrote:
> > The top .gitignore comments about how to detect files breaking
> > .gitignore rules, but people rarely care about it.
> >
> > Add a new W=1 warning to detect files that are tracked but ignored by
> > git. If git is not installed or the source tree is not tracked by git
> > at all, this script does not print anything.
> >
> > Running it on the v6.1 kernel detected the following:
> >
> > $ make W=1 misc-check
> > Documentation/devicetree/bindings/.yamllint: warning: ignored by one of the .gitignore files
> > drivers/clk/.kunitconfig: warning: ignored by one of the .gitignore files
> > drivers/gpu/drm/tests/.kunitconfig: warning: ignored by one of the .gitignore files
> > drivers/hid/.kunitconfig: warning: ignored by one of the .gitignore files
> > fs/ext4/.kunitconfig: warning: ignored by one of the .gitignore files
> > fs/fat/.kunitconfig: warning: ignored by one of the .gitignore files
> > kernel/kcsan/.kunitconfig: warning: ignored by one of the .gitignore files
> > lib/kunit/.kunitconfig: warning: ignored by one of the .gitignore files
> > mm/kfence/.kunitconfig: warning: ignored by one of the .gitignore files
> > tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
> > tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
> > tools/testing/selftests/arm64/tags/run_tags_test.sh: warning: ignored by one of the .gitignore files
> > tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
> >
> > These are ignored by the '.*' or 'tags' in the top .gitignore, but
> > there is no rule to negate it.
> >
> > You might be tempted to do 'git add -f' but I want to have the real
> > issue fixed (by fixing a .gitignore, or by renaming files, etc.).
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > ---
> >
> > Changes in v2:
> > - Add $(srctree)/ to make it work with O=
> >
> > Makefile | 6 ++++++
> > scripts/misc-check | 19 +++++++++++++++++++
> > 2 files changed, 25 insertions(+)
> > create mode 100755 scripts/misc-check
> >
> > diff --git a/Makefile b/Makefile
> > index 44239352d2bf..f6ff8f77a669 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1852,6 +1852,12 @@ rust-analyzer:
> > # Misc
> > # ---------------------------------------------------------------------------
> >
> > +PHONY += misc-check
> > +misc-check:
> > + $(Q)$(srctree)/scripts/misc-check
> > +
> > +all: misc-check
> > +
> > PHONY += scripts_gdb
> > scripts_gdb: prepare0
> > $(Q)$(MAKE) $(build)=scripts/gdb
> > diff --git a/scripts/misc-check b/scripts/misc-check
> > new file mode 100755
> > index 000000000000..bf68712d1ac1
> > --- /dev/null
> > +++ b/scripts/misc-check
> > @@ -0,0 +1,19 @@
> > +#!/bin/sh
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +
> > +set -e
> > +
> > +# Detect files that are tracked but ignored by git. This is checked only when
> > +# ${KBUILD_EXTRA_WARN} contains 1, git is installed, and the source tree is
> > +# tracked by git.
> > +check_tracked_ignored_files () {
> > + case "${KBUILD_EXTRA_WARN}" in
> > + *1*) ;;
> > + *) return;;
> > + esac
> > +
> > + git ls-files -i -c --exclude-per-directory=.gitignore 2>/dev/null |
> > + sed 's/$/: warning: ignored by one of the .gitignore files/' >&2
>
> I like that check. It doesn't work with O=...; works for me with
> something like:
>
> git ${abs_srctree:+-C "${abs_srctree}"} ls-files ...
A good catch!
I will fix it in v3.
Thanks.
>
> Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>
--
Best Regards
Masahiro Yamada
