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comparison cutils/treesum.py @ 161:df927ada9a37

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In directory digests: include the octet-length of the checksums also
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 07 Jan 2025 19:20:32 +0100
parents 432fe71300d3
children bcc4441cf216
comparison
equal deleted inserted replaced
160:432fe71300d3 161:df927ada9a37
319 linktgt = util.fsencode(os.readlink(root)) 319 linktgt = util.fsencode(os.readlink(root))
320 linkdgst = algorithm[0]() 320 linkdgst = algorithm[0]()
321 linkdgst.update(b"%d:%s," % (len(linktgt), linktgt)) 321 linkdgst.update(b"%d:%s," % (len(linktgt), linktgt))
322 dir_dgst = algorithm[0]() 322 dir_dgst = algorithm[0]()
323 dir_dgst.update(b"1:L,") 323 dir_dgst.update(b"1:L,")
324 dir_dgst.update(linkdgst.digest()) 324 dir_dgst.update(
325 b"%d:%s," % (len(linkdgst.digest()), linkdgst.digest()))
325 outfp.write( 326 outfp.write(
326 format_bsd_line( 327 format_bsd_line(
327 algorithm[1], 328 algorithm[1],
328 dir_dgst.digest(), 329 dir_dgst.digest(),
329 "./@", 330 "./@",
342 linkdgst = algorithm[0]() 343 linkdgst = algorithm[0]()
343 linkdgst.update(b"%d:%s," % (len(linktgt), linktgt)) 344 linkdgst.update(b"%d:%s," % (len(linktgt), linktgt))
344 dir_dgst.update(b"1:S,%d:%s," 345 dir_dgst.update(b"1:S,%d:%s,"
345 % (len(fso.fsname), fso.fsname)) 346 % (len(fso.fsname), fso.fsname))
346 # no mtime and no mode for symlinks 347 # no mtime and no mode for symlinks
347 dir_dgst.update(linkdgst.digest()) 348 dir_dgst.update(
349 b"%d:%s,"
350 % (len(linkdgst.digest()), linkdgst.digest()))
348 opath = "/".join(top) + "/" + fso.name if top else fso.name 351 opath = "/".join(top) + "/" + fso.name if top else fso.name
349 outfp.write( 352 outfp.write(
350 format_bsd_line( 353 format_bsd_line(
351 algorithm[1], 354 algorithm[1],
352 linkdgst.digest(), 355 linkdgst.digest(),
355 outfp.flush() 358 outfp.flush()
356 continue 359 continue
357 # fetch from dir_digests 360 # fetch from dir_digests
358 dgst = dir_digests[top + (fso.name,)] 361 dgst = dir_digests[top + (fso.name,)]
359 dir_dgst.update(b"1:d,%d:%s," % (len(fso.fsname), fso.fsname)) 362 dir_dgst.update(b"1:d,%d:%s," % (len(fso.fsname), fso.fsname))
360 dir_dgst.update(dgst) 363 dir_dgst.update(
364 b"%d:%s," % (len(dgst), dgst))
361 if with_metadata_full_mode: 365 if with_metadata_full_mode:
362 modestr = normalized_mode_str(fso.stat.st_mode) 366 modestr = normalized_mode_str(fso.stat.st_mode)
363 if not isinstance(modestr, bytes): 367 if not isinstance(modestr, bytes):
364 modestr = modestr.encode("ascii") 368 modestr = modestr.encode("ascii")
365 dir_dgst.update(b"8:fullmode,%d:%s," 369 dir_dgst.update(b"8:fullmode,%d:%s,"
389 if not isinstance(modestr, bytes): 393 if not isinstance(modestr, bytes):
390 modestr = modestr.encode("ascii") 394 modestr = modestr.encode("ascii")
391 dir_dgst.update(b"4:mode,%d:%s," % (len(modestr), modestr)) 395 dir_dgst.update(b"4:mode,%d:%s," % (len(modestr), modestr))
392 dgst = digest.compute_digest_file( 396 dgst = digest.compute_digest_file(
393 algorithm[0], fso.path, use_mmap=use_mmap) 397 algorithm[0], fso.path, use_mmap=use_mmap)
394 dir_dgst.update(dgst) 398 dir_dgst.update(b"%d:%s," % (len(dgst), dgst))
395 opath = "/".join(top) + "/" + fso.name if top else fso.name 399 opath = "/".join(top) + "/" + fso.name if top else fso.name
396 outfp.write( 400 outfp.write(
397 format_bsd_line( 401 format_bsd_line(
398 algorithm[1], dgst, opath, use_base64)) 402 algorithm[1], dgst, opath, use_base64))
399 outfp.flush() 403 outfp.flush()