Add LICENSE.md

1 files changed, 23 insertions, 0 deletions

diff --git a/scripts/check-header.py b/scripts/check-header.py
new file mode 100755
index 0000000..67aea38
--- /dev/null
+++ b/scripts/check-header.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+import sys
+import re
+
+line_re = [
+  r'^\/\/\={69}$',
+  r'^\/\/ \w+',
+  r'^\/\/ spdx-license-identifier: (ISC)',
+  r'^\/\/ description: \w+'
+]
+
+if __name__ == '__main__':
+  errors = 0
+
+  with open(sys.argv[1]) as f:
+    for i in range(len(line_re)):
+      if re.search(line_re[i], f.readline()) == None:
+        print(f'wrong license header: {sys.argv[1]}:{i}')
+        errors += 1
+
+  if errors != 0:
+    sys.exit(1)