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@@ -5,7 +5,7 @@ eleventyNavigation:
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parent: How-to guides
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order: 2
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---
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-## Environment variable interpolation
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+## Providing passwords and secrets to borgmatic
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If you want to use a Borg repository passphrase or database passwords with
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borgmatic, you can set them directly in your borgmatic configuration file,
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@@ -19,6 +19,18 @@ encryption_passphrase: yourpassphrase
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But if you'd rather store them outside of borgmatic, whether for convenience
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or security reasons, read on.
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+### Delegating to a another application
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+
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+borgmatic supports calling another application such as a password manager to
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+obtain the Borg passphrase to a repository.
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+
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+For example, to ask the *Pass* password manager to provide the passphrase:
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+```yaml
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+encryption_passcommand: pass path/to/borg-repokey
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+```
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+
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+### Environment variable interpolation
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+
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<span class="minilink minilink-addedin">New in version 1.6.4</span> borgmatic
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supports interpolating arbitrary environment variables directly into option
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values in your configuration file. That means you can instruct borgmatic to
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@@ -58,7 +70,7 @@ This uses the `YOUR_DATABASE_PASSWORD` environment variable as your database
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password.
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-### Interpolation defaults
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+#### Interpolation defaults
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If you'd like to set a default for your environment variables, you can do so
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with the following syntax:
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@@ -72,7 +84,7 @@ environment variable is not set. Without a default, if the environment
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variable doesn't exist, borgmatic will error.
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-### Disabling interpolation
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+#### Disabling interpolation
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To disable this environment variable interpolation feature entirely, you can
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pass the `--no-environment-interpolation` flag on the command-line.
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@@ -85,7 +97,7 @@ can escape it with a backslash. For instance, if your password is literally
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encryption_passphrase: \${A}@!
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```
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-### Related features
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+## Related features
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Another way to override particular options within a borgmatic configuration
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file is to use a [configuration
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axel simon