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List: rsync
Subject: [Bug 1646] New: --inplace with --backup --backup-dir does not work
From: samba-bugs () samba ! org
Date: 2004-08-22 23:55:48
Message-ID: 200408222355.i7MNtmen015396 () dp3 ! samba ! org
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https://bugzilla.samba.org/show_bug.cgi?id=1646
Summary: --inplace with --backup --backup-dir does not work
Product: rsync
Version: 2.6.3
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P3
Component: core
AssignedTo: wayned@samba.org
ReportedBy: ard@waikato.ac.nz
QAContact: rsync-qa@samba.org
Using --inplace with --backup and --backup-dir does not seem to work:
rsync -ax --backup --backup-dir previous destfile remotehost:/destdir/
...or more simply:
rsync -avx --stats --inplace --backup --backup-dir previous \
/etc/hosts /tmp/rsynctest/
strace watching the rsync running on the destination:
[...]
write(1, "160134 octets, for a total of 19296646"..., 160134) = 160134
ftruncate64(0x1, 0x1267186, 0, 0, 0x1) = 0
close(1) = 0
lstat64(0xbfffebac, 0xbfffba5c) = 0
lstat64(0xbfffa9bc, 0xbfffb9cc) = 0
rename("destfile", "previous/destfile") = 0
lstat64(0x8080780, 0xbfffb9cc) = 0
lstat64(0xbfffebac, 0xbfffba7c) = -1 ENOENT (No such file or directory)
write(4, "i\0\0\10rsync: stat \"/destdir/destfile\" failed: No such file or
directory (2)\n", 109 <unfinished ...>
[...]
With --inplace and --backup, shouldn't rsync make the backup file *before*
starting the overwrite? Then it could (quote) extract the full amount of
network reduction it might otherwise.
I've tried it on two boxes. Slackware 8.0 (I'm ashamed to admit) glibc2.2, and
Slackware 9.1 glibc 2.3, both kernel 2.6.4, rsync-2.6.3pre1.
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