0d12792f5f
Fix a couple of issues in the recently merged 0f3c55d4c2b (Merge
branch 'ab/coccicheck-incremental' into next, 2022-11-08):
In copying over the "contrib/coccinelle/" rules to
".build/contrib/coccinelle/" we inadvertently ended up with a
".build/.build/contrib/coccinelle/" as well. We'd generate the
per-file patches in the former, and keep the rule and overall result
in the latter. E.g. running:
make contrib/coccinelle/free.cocci.patch COCCI_SOURCES="attr.c grep.c"
Would, per "tree -a .build" yield the following result:
.build
├── .build
│ └── contrib
│ └── coccinelle
│ └── free.cocci.patch
│ ├── attr.c
│ ├── attr.c.log
│ ├── grep.c
│ └── grep.c.log
└── contrib
└── coccinelle
├── FOUND_H_SOURCES
├── free.cocci
└── free.cocci.patch
Now we'll instead generate all of our files in
".build/contrib/coccinelle/". Fixing this required renaming the
directory where we keep our per-file patches, as we'd otherwise
conflict with the result.
Now the per-file patch directory is named e.g. "free.cocci.d". And the
end result will now be:
.build
└── contrib
└── coccinelle
├── FOUND_H_SOURCES
├── free.cocci
├── free.cocci.d
│ ├── attr.c.patch
│ ├── attr.c.patch.log
│ ├── grep.c.patch
│ └── grep.c.patch.log
└── free.cocci.patch
The per-file patches now have a ".patch" file suffix, which fixes
another issue reported against 0f3c55d4c2b: The summary output was
confusing. Before for the "make" command above we'd emit:
[...]
MKDIR -p .build/contrib/coccinelle
CP contrib/coccinelle/free.cocci .build/contrib/coccinelle/free.cocci
GEN .build/contrib/coccinelle/FOUND_H_SOURCES
MKDIR -p .build/.build/contrib/coccinelle/free.cocci.patch
SPATCH .build/.build/contrib/coccinelle/free.cocci.patch/grep.c
SPATCH .build/.build/contrib/coccinelle/free.cocci.patch/attr.c
SPATCH CAT $^ >.build/contrib/coccinelle/free.cocci.patch
CP .build/contrib/coccinelle/free.cocci.patch contrib/coccinelle/free.cocci.patch
But now we'll instead emit (identical output at the start omitted):
[...]
MKDIR -p .build/contrib/coccinelle/free.cocci.d
SPATCH grep.c >.build/contrib/coccinelle/free.cocci.d/grep.c.patch
SPATCH attr.c >.build/contrib/coccinelle/free.cocci.d/attr.c.patch
SPATCH CAT .build/contrib/coccinelle/free.cocci.d/**.patch >.build/contrib/coccinelle/free.cocci.patch
CP .build/contrib/coccinelle/free.cocci.patch contrib/coccinelle/free.cocci.patch
I.e. we have an "SPATCH" line that makes it clear that we're running
against the "{attr,grep}.c" file. The "SPATCH CAT" is then altered to
correspond to it, showing that we're concatenating the
"free.cocci.d/**.patch" files into one generated "free.cocci.patch" at
the end.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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