On Mon, Apr 12, 2021 at 8:51 PM Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > On Sat, Apr 10, 2021 at 10:57 AM Joe Stringer <joe@xxxxxxxxx> wrote: > > > > Previously, if rst2man caught errors, then these would be ignored and > > the output file would be written anyway. This would allow developers to > > introduce regressions in the docs comments in the BPF headers. > > > > Additionally, even if you instruct rst2man to fail out, it will still > > write out to the destination target file, so if you ran the tests twice > > in a row it would always pass. Use a temporary file for the initial run > > to ensure that if rst2man fails out under "--strict" mode, subsequent > > runs will not automatically pass. > > > > Tested via ./tools/testing/selftests/bpf/test_doc_build.sh > > > > Signed-off-by: Joe Stringer <joe@xxxxxxxxx> > > --- > > tools/testing/selftests/bpf/Makefile.docs | 3 ++- > > tools/testing/selftests/bpf/test_doc_build.sh | 1 + > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > diff --git a/tools/testing/selftests/bpf/Makefile.docs b/tools/testing/selftests/bpf/Makefile.docs > > index ccf260021e83..a918790c8f9c 100644 > > --- a/tools/testing/selftests/bpf/Makefile.docs > > +++ b/tools/testing/selftests/bpf/Makefile.docs > > @@ -52,7 +52,8 @@ $(OUTPUT)%.$2: $(OUTPUT)%.rst > > ifndef RST2MAN_DEP > > $$(error "rst2man not found, but required to generate man pages") > > endif > > - $$(QUIET_GEN)rst2man $$< > $$@ > > + $$(QUIET_GEN)rst2man --strict $$< > $$@.tmp > > + $$(QUIET_GEN)mv $$@.tmp $$@ > > if something goes wrong this .tmp file will be laying around, so we > should at least add it to .gitignore? Right, doesn't look like it's there yet. Will fix it. I also received out-of-band feedback to use --exit-status rather than --strict so I'll fix that up as well for a v2. Cheers, Joe