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+#!/usr/bin/python3
+#
+# Copyright (C) 2010-2018, Benjamin Drung <bdrung@debian.org>
+# 2010, Stefano Rivera <stefanor@ubuntu.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import argparse
+import glob
+import operator
+import os
+import re
+import sys
+
+from devscripts.control import Control
+
+CONTROL_LIST_FIELDS = (
+ "Breaks",
+ "Build-Conflicts",
+ "Build-Conflicts-Arch",
+ "Build-Conflicts-Indep",
+ "Build-Depends",
+ "Build-Depends-Arch",
+ "Build-Depends-Indep",
+ "Built-Using",
+ "Conflicts",
+ "Depends",
+ "Enhances",
+ "Pre-Depends",
+ "Provides",
+ "Recommends",
+ "Replaces",
+ "Suggests",
+ "Xb-Npp-MimeType",
+)
+
+SUPPORTED_FILES = (
+ "clean",
+ "control",
+ "control*.in",
+ "copyright",
+ "copyright.in",
+ "dirs",
+ "*.dirs",
+ "docs",
+ "*.docs",
+ "examples",
+ "*.examples",
+ "info",
+ "*.info",
+ "install",
+ "*.install",
+ "links",
+ "*.links",
+ "mainscript",
+ "*.maintscript",
+ "manpages",
+ "*.manpages",
+ "tests/control",
+)
+
+
+def erase_and_write(file_ob, data):
+ """When a file is opened via r+ mode, replaces its content with data"""
+ file_ob.seek(0)
+ file_ob.write(data)
+ file_ob.truncate()
+
+
+class WrapAndSortControl(Control):
+ def __init__(self, filename, args):
+ super().__init__(filename)
+ self.args = args
+
+ def wrap_and_sort(self):
+ for paragraph in self.paragraphs:
+ for field in CONTROL_LIST_FIELDS:
+ if field in paragraph:
+ self._wrap_field(paragraph, field, True)
+ if "Uploaders" in paragraph:
+ self._wrap_field(paragraph, "Uploaders", False)
+ if "Architecture" in paragraph:
+ archs = set(paragraph["Architecture"].split())
+ # Sort, with wildcard entries (such as linux-any) first:
+ archs = sorted(archs, key=lambda x: ("any" not in x, x))
+ paragraph["Architecture"] = " ".join(archs)
+
+ if self.args.sort_binary_packages:
+ if self.filename.endswith('tests/control'):
+ return
+ first = self.paragraphs[:1 + int(self.args.keep_first)]
+ sortable = self.paragraphs[1 + int(self.args.keep_first):]
+ sort_key = operator.itemgetter("Package")
+ self.paragraphs = first + sorted(sortable, key=sort_key)
+
+ def _wrap_field(self, control, entry, sort):
+ # An empty element is not explicitly disallowed by Policy but known to
+ # break QA tools, so remove any
+ packages = [x.strip() for x in control[entry].split(",") if x.strip()]
+
+ # Sanitize alternative packages. E.g. "a|b |c" -> "a | b | c"
+ packages = [" | ".join([x.strip() for x in p.split("|")])
+ for p in packages]
+
+ if sort:
+ # Remove duplicate entries
+ packages = set(packages)
+ packages = sort_list(packages)
+
+ length = len(entry) + sum([2 + len(package) for package in packages])
+ if self.args.wrap_always or length > self.args.max_line_length:
+ indentation = " "
+ if not self.args.short_indent:
+ indentation *= len(entry) + len(": ")
+ packages_with_indention = [indentation + x for x in packages]
+ packages_with_indention = ",\n".join(packages_with_indention)
+ if self.args.trailing_comma:
+ packages_with_indention += ','
+ if self.args.short_indent:
+ control[entry] = "\n" + packages_with_indention
+ else:
+ control[entry] = packages_with_indention.strip()
+ else:
+ control[entry] = ", ".join(packages)
+
+ def check_changed(self):
+ """Checks if the content has changed in the control file"""
+ content = "\n".join([x.dump() for x in self.paragraphs])
+ with open(self.filename, "r") as control_file:
+ if content != control_file.read():
+ return True
+ return False
+
+
+class Install:
+ def __init__(self, filename, args):
+ self.content = None
+ self.filename = None
+ self.args = args
+ self.open(filename)
+
+ def open(self, filename):
+ assert os.path.isfile(filename), "%s does not exist." % (filename)
+ self.filename = filename
+ self.content = [
+ l.strip()
+ for l in open(filename).readlines()
+ if l.strip()
+ ]
+
+ def save(self):
+ to_write = "\n".join(self.content) + "\n"
+
+ with open(self.filename, "r+") as install_file:
+ content = install_file.read()
+ if to_write != content:
+ if not self.args.dry_run:
+ erase_and_write(install_file, to_write)
+ return True
+ return False
+
+ def sort(self):
+ self.content = sorted(self.content)
+
+
+def remove_trailing_whitespaces(filename, args):
+ assert os.path.isfile(filename), "%s does not exist." % (filename)
+ with open(filename, "br+") as file_object:
+ content = file_object.read()
+ if not content:
+ return True
+ new_content = content.strip() + b"\n"
+ new_content = b"\n".join(
+ [
+ line.rstrip()
+ for line in new_content.split(b'\n')
+ ],
+ )
+ if new_content != content:
+ if not args.dry_run:
+ erase_and_write(file_object, new_content)
+ return True
+ return False
+
+
+def sort_list(unsorted_list):
+ packages = [x for x in unsorted_list if re.match("[a-z0-9]", x)]
+ special = [x for x in unsorted_list if not re.match("[a-z0-9]", x)]
+ return sorted(packages) + sorted(special)
+
+
+def wrap_and_sort(args):
+ modified_files = []
+ control_files = [f for f in args.files if re.search("/control[^/]*$", f)]
+ for control_file in control_files:
+ if args.verbose:
+ print(control_file)
+ control = WrapAndSortControl(control_file, args)
+ if args.cleanup:
+ control.strip_trailing_spaces()
+ control.wrap_and_sort()
+ if control.check_changed():
+ if not args.dry_run:
+ control.save()
+ modified_files.append(control_file)
+
+ copyright_files = [f for f in args.files
+ if re.search("/copyright[^/]*$", f)]
+ for copyright_file in copyright_files:
+ if args.verbose:
+ print(copyright_file)
+ if remove_trailing_whitespaces(copyright_file, args):
+ modified_files.append(copyright_file)
+
+ pattern = "(dirs|docs|examples|info|install|links|maintscript|manpages)$"
+ install_files = [f for f in args.files if re.search(pattern, f)]
+ for install_file in sorted(install_files):
+ if args.verbose:
+ print(install_file)
+ install = Install(install_file, args)
+ install.sort()
+ if install.save():
+ modified_files.append(install_file)
+
+ return modified_files
+
+
+def get_files(debian_directory):
+ """Returns a list of files that should be wrapped and sorted."""
+ files = []
+ for supported_files in SUPPORTED_FILES:
+ file_pattern = os.path.join(debian_directory, supported_files)
+ files.extend(file_name for file_name in glob.glob(file_pattern)
+ if not os.access(file_name, os.X_OK))
+ return files
+
+
+def main():
+ script_name = os.path.basename(sys.argv[0])
+ epilog = "See %s(1) for more info." % (script_name)
+ parser = argparse.ArgumentParser(epilog=epilog)
+
+ # Remember to keep doc/wrap-and-sort.1 updated!
+ parser.add_argument("-a", "--wrap-always", action="store_true", default=False,
+ help="wrap lists even if they do not exceed the line length limit")
+ parser.add_argument("-s", "--short-indent", dest="short_indent",
+ help="only indent wrapped lines by one space (default is "
+ "in-line with the field name)",
+ action="store_true", default=False)
+ parser.add_argument("-b", "--sort-binary-packages",
+ help="Sort binary package paragraphs by name",
+ dest="sort_binary_packages", action="store_true",
+ default=False)
+ parser.add_argument("-k", "--keep-first",
+ help="When sorting binary package paragraphs, leave the "
+ "first one at the top. Unqualified debhelper "
+ "configuration files are applied to the first "
+ "package.",
+ dest="keep_first", action="store_true", default=False)
+ parser.add_argument("-n", "--no-cleanup", help="do not remove trailing whitespaces",
+ dest="cleanup", action="store_false", default=True)
+ parser.add_argument("-t", "--trailing-comma", help="add trailing comma",
+ dest="trailing_comma", action="store_true",
+ default=False)
+ parser.add_argument("-d", "--debian-directory", dest="debian_directory",
+ help="location of the 'debian' directory (default: ./debian)",
+ metavar="PATH", default="debian")
+ parser.add_argument("-f", "--file", metavar="FILE",
+ dest="files", action="append", default=list(),
+ help="Wrap and sort only the specified file.")
+ parser.add_argument("-v", "--verbose",
+ help="print all files that are touched",
+ dest="verbose", action="store_true", default=False)
+ parser.add_argument("--max-line-length", type=int, default=79,
+ help="set maximum allowed line length before wrapping "
+ "(default: %(default)i)")
+ parser.add_argument("-N", "--dry-run", dest="dry_run", action="store_true",
+ default=False,
+ help="do not modify any file, instead only"
+ "print the files that would be modified")
+
+ args = parser.parse_args()
+
+ if not os.path.isdir(args.debian_directory):
+ parser.error('Debian directory not found, expecting "%s".' %
+ args.debian_directory)
+
+ not_found = [f for f in args.files if not os.path.isfile(f)]
+ if not_found:
+ parser.error('Specified files not found: %s' % ", ".join(not_found))
+
+ if not args.files:
+ args.files = get_files(args.debian_directory)
+
+ modified_files = wrap_and_sort(args)
+
+ # Only report at the end, to avoid potential clash with --verbose
+ if modified_files and (args.verbose or args.dry_run):
+ if args.dry_run:
+ header = "--- Dry run, these files would be modified ---"
+ else:
+ header = "--- Modified files ---"
+ print(header)
+ print("\n".join(modified_files))
+ elif args.verbose:
+ print("--- No file needs modification ---")
+
+
+if __name__ == "__main__":
+ main()