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comparison cutils/shasum.py @ 105:b0631f320efd

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Implement "--follow-symlinks" to allow to control whether to follow directory symlinks
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 29 May 2022 01:06:25 +0200
parents 08fd0609fdd4
children 5fe6f63f0be7
comparison
equal deleted inserted replaced
104:08fd0609fdd4 105:b0631f320efd
84 "--checklist-allow-distinfo", action="store_true", 84 "--checklist-allow-distinfo", action="store_true",
85 dest="allow_distinfo", 85 dest="allow_distinfo",
86 help='Allow FreeBSD "distinfo" formatted checklists: ignore SIZE and TIMESTAMP lines.') 86 help='Allow FreeBSD "distinfo" formatted checklists: ignore SIZE and TIMESTAMP lines.')
87 87
88 aparser.add_argument( 88 aparser.add_argument(
89 "--follow-symlinks", action="store_true", dest="follow_symlinks",
90 help="""Also follow symlinks that resolve to directories. Only effective if `--recurse` is activated.""")
91
92 aparser.add_argument(
89 "--mmap", action="store_true", dest="mmap", default=None, 93 "--mmap", action="store_true", dest="mmap", default=None,
90 help="""Use mmap if available. Default is to determine automatically 94 help="""Use mmap if available. Default is to determine automatically
91 from the filesize.""") 95 from the filesize.""")
92 aparser.add_argument( 96 aparser.add_argument(
93 "--no-mmap", action="store_false", dest="mmap", default=None, 97 "--no-mmap", action="store_false", dest="mmap", default=None,
94 help="Dont use mmap.") 98 help="Dont use mmap.")
95 99
96 aparser.add_argument( 100 aparser.add_argument(
97 "--recurse", action="store_true", 101 "--recurse", action="store_true",
98 help="Recurse into sub-directories while interpreting every FILE as a directory") 102 help="Recurse into sub-directories while interpreting every FILE as a directory.")
99 103
100 aparser.add_argument( 104 aparser.add_argument(
101 "--reverse", "-r", action="store_false", dest="bsd", default=False, 105 "--reverse", "-r", action="store_false", dest="bsd", default=False,
102 help="Explicitely select normal coreutils style output (to be option compatible with BSD style commands and :command:`openssl dgst -r`)") 106 help="Explicitely select normal coreutils style output (to be option compatible with BSD style commands and :command:`openssl dgst -r`)")
103 aparser.add_argument( 107 aparser.add_argument(
172 if not os.path.isdir(dn): 176 if not os.path.isdir(dn):
173 if os.path.exists(dn): 177 if os.path.exists(dn):
174 raise OSError(errno.ENOTDIR, "not a directory", dn) 178 raise OSError(errno.ENOTDIR, "not a directory", dn)
175 else: 179 else:
176 raise OSError(errno.ENOENT, "directory does not exist", dn) 180 raise OSError(errno.ENOENT, "directory does not exist", dn)
177 for dirpath, dirnames, dirfiles in os.walk(dn, followlinks=True): 181 for dirpath, dirnames, dirfiles in os.walk(
182 dn, followlinks=opts.follow_symlinks):
178 for fn in dirfiles: 183 for fn in dirfiles:
179 path = os.path.join(dirpath, fn) 184 path = os.path.join(dirpath, fn)
180 out(opts.dest or sys.stdout, 185 out(opts.dest or sys.stdout,
181 compute_digest_file(opts.algorithm[0], path, 186 compute_digest_file(opts.algorithm[0], path,
182 use_mmap=opts.mmap), 187 use_mmap=opts.mmap),