Document that old backups are kept if rsync fails
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@@ -61,6 +61,10 @@ will not be copied. Multiple elements can be specified, in the same way as for t
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.B \-k, \-\-keep N
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Specify how many old backups (so excluding the current one) will be kept. The default behavior
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is to keep them all (same as N=\-1).
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Old backups are only removed if rsync completes successfully, to avoid deleting them when the
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new backup may be incomplete. rsync return code 24 (source files vanished during the transfer)
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is treated as success, while any other error (including return code 23, partial transfer due to error)
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will prevent old backups from being removed. This does not apply when using \-\-remove\-before\-backup.
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.TP
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.B \-u, \-\-user USERNAME
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Explicitly specify the user running the backup (in case it is needed for home directory expansion).
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