2021-02-15 00:41:15 +00:00
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# update
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The `update` subcommand is a simple alias for:
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```sh
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nix flake update --recreate-lock-file --commit-lock-file
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```
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As it sounds, this will update your lock file, and commit it.
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2021-02-23 02:49:31 +00:00
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## Updating Package Sources
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If you pass an input name then it will only update that input.
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For example, you can update any
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[package sources](../../pkgs#automatic-source-updates) you may have declared
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in _pkgs/flake.nix_:
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```sh
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flk update srcs
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```
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