1 files changed, 30 insertions, 0 deletions
diff --git a/python/firstheader.py b/python/firstheader.py
new file mode 100644
index 0000000000..bf50f33a33
--- /dev/null
+++ b/python/firstheader.py
@@ -0,0 +1,30 @@
+#
+# check that the first header included in C files is either
+# zebra.h or config.h
+#
+
+import sys, os, re, subprocess
+
+include_re = re.compile('^#\s*include\s+["<]([^ ">]+)[">]', re.M)
+
+errors = 0
+
+files = subprocess.check_output(["git", "ls-files"]).decode("ASCII")
+for fn in files.splitlines():
+    if not fn.endswith(".c"):
+        continue
+    if fn.startswith("tools/"):
+        continue
+    with open(fn, "r") as fd:
+        data = fd.read()
+        m = include_re.search(data)
+        if m is None:
+            # sys.stderr.write('no #include in %s?\n' % (fn))
+            continue
+        if m.group(1) in ["config.h", "zebra.h", "lib/zebra.h"]:
+            continue
+        sys.stderr.write("%s: %s\n" % (fn, m.group(0)))
+        errors += 1
+
+if errors:
+    sys.exit(1)