[libcamera-devel,v3] utils: ipc: extract-docs: Extract the SPDX header
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Message ID 20210528104824.2978880-1-paul.elder@ideasonboard.com
State Accepted
Commit 3370b6d0a0dfe1b554865d6e5bb8e20049220bf0
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Series
  • [libcamera-devel,v3] utils: ipc: extract-docs: Extract the SPDX header
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Commit Message

Paul Elder May 28, 2021, 10:48 a.m. UTC 
Take the SPDX header from the mojom file. Error out if the mojom file
has no SPDX header.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

---
Changes in v3:
- make the if nicer

Changes in v2:
- Error out if SPDX header is unavailable
- add newline at end of default SPDX string
---
 utils/ipc/extract-docs.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

Patch
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diff --git a/utils/ipc/extract-docs.py b/utils/ipc/extract-docs.py
index 56566ce0..8f7fff9f 100755
--- a/utils/ipc/extract-docs.py
+++ b/utils/ipc/extract-docs.py
@@ -12,6 +12,7 @@  import sys
 
 regex_block_start = re.compile('^\/\*\*$')
 regex_block_end = re.compile('^ \*\/$')
+regex_spdx = re.compile('^\/\* SPDX-License-Identifier: .* \*\/$')
 
 
 def main(argv):
@@ -28,8 +29,12 @@  def main(argv):
 
     lines = open(args.input, 'r').readlines()
     pipeline = args.input.split('/')[-1].replace('.mojom', '')
-    data = f'''\
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+    if not regex_spdx.match(lines[0]):
+        raise Exception(f'Missing SPDX license header in {args.input}')
+
+    data = lines[0]
+    data += f'''\
 /*
  * Copyright (C) 2021, Google Inc.
  *