[Rdiff-backup-bugs] [bug #21253] crash on Mac OS X case-insensitive fs

[Jim Balhoff]

URL:
  <http://savannah.nongnu.org/bugs/?21253>

                 Summary: crash on Mac OS X case-insensitive fs
                 Project: rdiff-backup
            Submitted by: balhoff
            Submitted on: Thursday 10/04/2007 at 14:08
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

rdiff-backup will crash when used with a Mac OS X case-insensitive file
system, if a folder that has been previously backed up is moved to a new name
that differs only by case.  I am using rdiff-backup 1.1.14, Python 2.3.5, Mac
OS X 10.4.10.

Here is a shell script which crashes on Mac OS X:

**********************************************************************
#!/bin/bash

mkdir BackupTesting
cd BackupTesting
mkdir -p BackMeUp/folder
mkdir Backups
rdiff-backup BackMeUp Backups/BackMeUp
mv BackMeUp/folder BackMeUp/Folder
rdiff-backup BackMeUp Backups/BackMeUp
**********************************************************************

Here is the result:

Exception 'Path:
Backups/BackMeUp/rdiff-backup-data/increments/folder.2007-10-04T09:57:08-04:00.dir
Index: ('folder.2007-10-04T09:57:08-04:00.dir',)
Data: {'carbonfile': {'flags': 0, 'createDate': -1020616295, 'type':
'\x00\x00\x00\x00', 'location': (0, 0), 'creator': '\x00\x00\x00\x00'}, 'uid':
501, 'perms': 493, 'type': 'reg', 'gname': 'balhoff', 'ctime': 1191506254,
'devloc': 234881040L, 'uname': 'balhoff', 'nlink': 1, 'gid': 501, 'mtime':
1191506201, 'atime': 1191506254, 'inode': 1901841L, 'size': 0L}' raised of
class 'exceptions.AssertionError':
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 302, in error_check_Main
    try: Main(arglist)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 322, in Main
    take_action(rps)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 278, in take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 341, in Backup
    backup.Mirror_and_increment(rpin, rpout, incdir)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 51, in Mirror_and_increment
    DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 229, in patch_and_increment
    ITR(diff.index, diff)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/rorpiter.py",
line 284, in __call__
    branch.start_process(*args)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 699, in start_process
    inc_prefix)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 41, in Increment
    elif mirror.isdir(): incrp = makedir(mirror, incpref)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 94, in makedir
    dirsign = get_inc(incpref, "dir")
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 114, in get_inc
    assert not incrp.lstat(), incrp

Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 23, in ?
    rdiff_backup.Main.error_check_Main(sys.argv[1:])
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 302, in error_check_Main
    try: Main(arglist)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 322, in Main
    take_action(rps)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 278, in take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/Main.py",
line 341, in Backup
    backup.Mirror_and_increment(rpin, rpout, incdir)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 51, in Mirror_and_increment
    DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 229, in patch_and_increment
    ITR(diff.index, diff)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/rorpiter.py",
line 284, in __call__
    branch.start_process(*args)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/backup.py",
line 699, in start_process
    inc_prefix)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 41, in Increment
    elif mirror.isdir(): incrp = makedir(mirror, incpref)
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 94, in makedir
    dirsign = get_inc(incpref, "dir")
  File
"/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/site-packages/rdiff_backup/increment.py",
line 114, in get_inc
    assert not incrp.lstat(), incrp
AssertionError: Path:
Backups/BackMeUp/rdiff-backup-data/increments/folder.2007-10-04T09:57:08-04:00.dir
Index: ('folder.2007-10-04T09:57:08-04:00.dir',)
Data: {'carbonfile': {'flags': 0, 'createDate': -1020616295, 'type':
'\x00\x00\x00\x00', 'location': (0, 0), 'creator': '\x00\x00\x00\x00'}, 'uid':
501, 'perms': 493, 'type': 'reg', 'gname': 'balhoff', 'ctime': 1191506254,
'devloc': 234881040L, 'uname': 'balhoff', 'nlink': 1, 'gid': 501, 'mtime':
1191506201, 'atime': 1191506254, 'inode': 1901841L, 'size': 0L}





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