147 lines
4.7 KiB
Python
Executable File
147 lines
4.7 KiB
Python
Executable File
#!/usr/bin/python3
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import os, re, sys
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from io import open
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def list_whence():
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with open("WHENCE", encoding="utf-8") as whence:
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for line in whence:
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match = re.match(r'(?:File|Source):\s*"(.*)"', line)
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if match:
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yield match.group(1)
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continue
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match = re.match(r"(?:File|Source):\s*(\S*)", line)
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if match:
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yield match.group(1)
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continue
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match = re.match(
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r"Licen[cs]e: (?:.*\bSee (.*) for details\.?|(\S*))\n", line
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)
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if match:
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if match.group(1):
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for name in re.split(r", | and ", match.group(1)):
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yield name
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continue
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if match.group(2):
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# Just one word - may or may not be a filename
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if not re.search(
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r"unknown|distributable", match.group(2), re.IGNORECASE
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):
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yield match.group(2)
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continue
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def list_whence_files():
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with open("WHENCE", encoding="utf-8") as whence:
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for line in whence:
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match = re.match(r"File:\s*(.*)", line)
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if match:
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yield match.group(1).replace("\ ", " ").replace('"', "")
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continue
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def list_links_list():
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with open("WHENCE", encoding="utf-8") as whence:
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for line in whence:
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match = re.match(r"Link:\s*(.*)", line)
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if match:
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linkname, target = match.group(1).split("->")
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linkname = linkname.strip().replace("\ ", " ").replace('"', "")
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target = target.strip().replace("\ ", " ").replace('"', "")
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# Link target is relative to the link
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target = os.path.join(os.path.dirname(linkname), target)
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target = os.path.normpath(target)
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yield (linkname, target)
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continue
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def list_git():
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with os.popen("git ls-files") as git_files:
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for line in git_files:
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yield line.rstrip("\n")
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def main():
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ret = 0
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whence_list = list(list_whence())
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whence_files = list(list_whence_files())
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links_list = list(list_links_list())
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known_files = set(name for name in whence_list if not name.endswith("/")) | set(
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[
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".gitignore",
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".codespell.cfg",
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".pre-commit-config.yaml",
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"check_whence.py",
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"configure",
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"Makefile",
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"README.md",
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"copy-firmware.sh",
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"WHENCE",
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]
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)
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known_prefixes = set(name for name in whence_list if name.endswith("/"))
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git_files = set(list_git())
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for name in set(name for name in whence_files if name.endswith("/")):
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sys.stderr.write("E: %s listed in WHENCE as File, but is directory\n" % name)
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ret = 1
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for name in set(fw for fw in whence_files if whence_files.count(fw) > 1):
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sys.stderr.write("E: %s listed in WHENCE twice\n" % name)
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ret = 1
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for name in set(link for link in whence_files if os.path.islink(link)):
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sys.stderr.write("E: %s listed in WHENCE as File, but is a symlink\n" % name)
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ret = 1
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for name in set(link[0] for link in links_list if os.path.islink(link[0])):
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sys.stderr.write("E: %s listed in WHENCE as Link, is in tree\n" % name)
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ret = 1
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for name in sorted(list(known_files - git_files)):
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sys.stderr.write("E: %s listed in WHENCE does not exist\n" % name)
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ret = 1
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# A link can point to another link, or to a file...
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valid_targets = set(link[0] for link in links_list) | git_files
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# ... or to a directory
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for target in set(valid_targets):
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dirname = target
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while True:
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dirname = os.path.dirname(dirname)
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if dirname == "":
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break
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valid_targets.add(dirname)
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for name, target in sorted(links_list):
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if target not in valid_targets:
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sys.stderr.write(
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"E: target %s of link %s in WHENCE" " does not exist\n" % (target, name)
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)
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ret = 1
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for name in sorted(list(git_files - known_files)):
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# Ignore subdirectory changelogs and GPG detached signatures
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if name.endswith("/ChangeLog") or (
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name.endswith(".asc") and name[:-4] in known_files
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):
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continue
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# Ignore unknown files in known directories
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for prefix in known_prefixes:
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if name.startswith(prefix):
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break
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else:
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sys.stderr.write("E: %s not listed in WHENCE\n" % name)
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ret = 1
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return ret
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if __name__ == "__main__":
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sys.exit(main())
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