1 files changed, 85 insertions, 0 deletions
diff --git a/tools/coccinelle/meson.build b/tools/coccinelle/meson.build
new file mode 100644
index 0000000000..ae7f5b5460
--- /dev/null
+++ b/tools/coccinelle/meson.build
@@ -0,0 +1,85 @@
+coccinelle_opt = get_option('coccinelle').require(
+  fs.exists(meson.project_source_root() / '.git'),
+  error_message: 'coccinelle can only be run from a git checkout',
+)
+
+spatch = find_program('spatch', required: coccinelle_opt)
+if not spatch.found()
+  subdir_done()
+endif
+
+rules = [
+  'array.cocci',
+  'commit.cocci',
+  'config_fn_ctx.pending.cocci',
+  'equals-null.cocci',
+  'flex_alloc.cocci',
+  'free.cocci',
+  'git_config_number.cocci',
+  'hashmap.cocci',
+  'index-compatibility.cocci',
+  'object_id.cocci',
+  'preincr.cocci',
+  'qsort.cocci',
+  'refs.cocci',
+  'strbuf.cocci',
+  'swap.cocci',
+  'the_repository.cocci',
+  'xcalloc.cocci',
+  'xopen.cocci',
+  'xstrdup_or_null.cocci',
+  'xstrncmpz.cocci',
+]
+
+concatenated_rules = custom_target(
+  command: [
+    'cat', '@INPUT@',
+  ],
+  input: rules,
+  output: 'rules.cocci',
+  capture: true,
+)
+
+coccinelle_sources = []
+foreach source : run_command(git, '-C', meson.project_source_root(), 'ls-files', '--deduplicate', '*.c', third_party_excludes, check: true).stdout().split()
+  coccinelle_sources += source
+endforeach
+
+coccinelle_headers = []
+foreach header : headers_to_check
+  coccinelle_headers += meson.project_source_root() / header
+endforeach
+
+coccinelle_includes = []
+foreach path : ['compat', 'ewah', 'refs', 'sha256', 'trace2', 'win32', 'xdiff']
+  coccinelle_includes += ['-I', meson.project_source_root() / path]
+endforeach
+
+patches = [ ]
+foreach source : coccinelle_sources
+  patches += custom_target(
+    command: [
+      spatch,
+      '--all-includes',
+      '--sp-file', concatenated_rules,
+      '--patch', meson.project_source_root(),
+      coccinelle_includes,
+      '@INPUT@',
+    ],
+    input: meson.project_source_root() / source,
+    output: source.underscorify() + '.patch',
+    capture: true,
+    depend_files: coccinelle_headers,
+  )
+endforeach
+
+concatenated_patch = custom_target(
+  command: [
+    'cat', '@INPUT@',
+  ],
+  input: patches,
+  output: 'cocci.patch',
+  capture: true,
+)
+
+alias_target('coccicheck', concatenated_patch)