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Don't use ':' in backup directory names

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':' is not allowed on FAT/exFAT filesystems, so backups to such
drives failed. Use '%Y-%m-%d_%H-%M-%S' instead; existing backups
with the old format still sort correctly. Document the limitations
of FAT/exFAT in the man page.
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Fuxino
2026-10-08 18:01:07 +02:00
parent 7d4c43f8ff
commit 5189910131
2 changed files with 12 additions and 2 deletions
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man/simple_backup.1
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@@ -52,7 +52,15 @@ or to use single or double quotes around them.
.B \-o, \-\-output DIR
Specify the directory where the files will be copied. The program will automatically
create a subdirectory called \(aqsimple_backup\(aq (if it does not already exist) and
inside this directory the actual backup directory (using the current date and time).
inside this directory the actual backup directory (using the current date and time, for example
\(aq2026\-10\-08_17\-34\-47\(aq).
.RS
.P
Backups are best stored on a Linux filesystem (e.g. ext4 or btrfs). FAT and exFAT filesystems
are supported, but they don\(aqt support hard links, so each backup will be a full copy instead
of only storing files that changed since the previous one. File ownership and permissions are
not preserved either.
.RE
.TP
.B \-e, \-\-exclude FILE|DIR|PATTERN [FILE|...]]
Specify files, directories or patterns to exclude from the backup. Matching files and directories