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doc: Clarify dollar sign expansion in exclude files

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rawtaz 2021-04-07 19:43:29 +02:00 committed by Leo R. Lundgren
parent 74c0607c92
commit b5e40b370c
1 changed files with 7 additions and 3 deletions
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10
doc/040_backup.rst
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@ -229,9 +229,13 @@ see `filepath.Match <https://golang.org/pkg/path/filepath/#Match>`__ for
syntax. Patterns are tested against the full path of a file/dir to be saved,
even if restic is passed a relative path to save.
Environment-variables in exclude files are expanded with `os.ExpandEnv <https://golang.org/pkg/os/#ExpandEnv>`__,
so ``/home/$USER/foo`` will be expanded to ``/home/bob/foo`` for the user ``bob``.
To get a literal dollar sign, write ``$$`` to the file. Note that tilde (``~``) expansion does not work, please use the ``$HOME`` environment variable instead.
Environment variables in exclude files are expanded with `os.ExpandEnv
<https://golang.org/pkg/os/#ExpandEnv>`__, so ``/home/$USER/foo`` will be
expanded to ``/home/bob/foo`` for the user ``bob``. To get a literal dollar
sign, write ``$$`` to the file - this has to be done even when there's no
matching environment variable for the word following a single ``$``. Note
that tilde (``~``) is not expanded, instead use the ``$HOME`` or equivalent
environment variable (depending on your operating system).
Patterns need to match on complete path components. For example, the pattern ``foo``: