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-rwxr-xr-xcheck_whence.py110
1 files changed, 110 insertions, 0 deletions
diff --git a/check_whence.py b/check_whence.py
new file mode 100755
index 0000000..2e6950a
--- /dev/null
+++ b/check_whence.py
@@ -0,0 +1,110 @@
+#!/usr/bin/python3
+
+import os, re, sys
+from io import open
+
+def list_whence():
+ with open('WHENCE', encoding='utf-8') as whence:
+ for line in whence:
+ match = re.match(r'(?:File|Source):\s*"(.*)"', line)
+ if match:
+ yield match.group(1)
+ continue
+ match = re.match(r'(?:File|Source):\s*(\S*)', line)
+ if match:
+ yield match.group(1)
+ continue
+ match = re.match(r'Licen[cs]e: (?:.*\bSee (.*) for details\.?|(\S*))\n',
+ line)
+ if match:
+ if match.group(1):
+ for name in re.split(r', | and ', match.group(1)):
+ yield name
+ continue
+ if match.group(2):
+ # Just one word - may or may not be a filename
+ if not re.search(r'unknown|distributable', match.group(2),
+ re.IGNORECASE):
+ yield match.group(2)
+ continue
+
+def list_whence_files():
+ with open('WHENCE', encoding='utf-8') as whence:
+ for line in whence:
+ match = re.match(r'File:\s*(.*)', line)
+ if match:
+ yield match.group(1).replace("\ ", " ").replace("\"", "")
+ continue
+
+def list_links_list():
+ with open('WHENCE', encoding='utf-8') as whence:
+ for line in whence:
+ match = re.match(r'Link:\s*(.*)', line)
+ if match:
+ linkname, target = match.group(1).split("->")
+
+ linkname = linkname.strip().replace("\ ", " ").replace("\"", "")
+ target = target.strip().replace("\ ", " ").replace("\"", "")
+
+ # Link target is relative to the link
+ target = os.path.join(os.path.dirname(linkname), target)
+ target = os.path.normpath(target)
+
+ yield (linkname, target)
+ continue
+
+def list_git():
+ with os.popen('git ls-files') as git_files:
+ for line in git_files:
+ yield line.rstrip('\n')
+
+def main():
+ ret = 0
+ whence_list = list(list_whence())
+ whence_files = list(list_whence_files())
+ links_list = list(list_links_list())
+ known_files = set(name for name in whence_list if not name.endswith('/')) | \
+ set(['check_whence.py', 'configure', 'Makefile',
+ 'README', 'copy-firmware.sh', 'WHENCE'])
+ known_prefixes = set(name for name in whence_list if name.endswith('/'))
+ git_files = set(list_git())
+
+ for name in set(name for name in whence_files if name.endswith('/')):
+ sys.stderr.write('E: %s listed in WHENCE as File, but is directory\n' %
+ name)
+ ret = 1
+
+ for name in set(fw for fw in whence_files if whence_files.count(fw) > 1):
+ sys.stderr.write('E: %s listed in WHENCE twice\n' % name)
+ ret = 1
+
+ for name in set(link for link in whence_files if os.path.islink(link)):
+ sys.stderr.write('E: %s listed in WHENCE as File, but is a symlink\n' %
+ name)
+ ret = 1
+
+ for name in set(link[0] for link in links_list if os.path.islink(link[0])):
+ sys.stderr.write('E: %s listed in WHENCE as Link, is in tree\n' % name)
+ ret = 1
+
+ for name in sorted(list(known_files - git_files)):
+ sys.stderr.write('E: %s listed in WHENCE does not exist\n' % name)
+ ret = 1
+
+ for name in sorted(list(git_files - known_files)):
+ # Ignore subdirectory changelogs and GPG detached signatures
+ if (name.endswith('/ChangeLog') or
+ (name.endswith('.asc') and name[:-4] in known_files)):
+ continue
+
+ # Ignore unknown files in known directories
+ for prefix in known_prefixes:
+ if name.startswith(prefix):
+ break
+ else:
+ sys.stderr.write('E: %s not listed in WHENCE\n' % name)
+ ret = 1
+ return ret
+
+if __name__ == '__main__':
+ sys.exit(main())