2021-01-13 23:27:39 +01:00
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R""(
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# Examples
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* Repair a store path, after determining that it is corrupt:
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```console
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# nix store verify /nix/store/yb5q57zxv6hgqql42d5r8b5k5mcq6kay-hello-2.10
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path '/nix/store/yb5q57zxv6hgqql42d5r8b5k5mcq6kay-hello-2.10' was
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modified! expected hash
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'sha256:1hd5vnh6xjk388gdk841vflicy8qv7qzj2hb7xlyh8lpb43j921l', got
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'sha256:1a25lf78x5wi6pfkrxalf0n13kdaca0bqmjqnp7wfjza2qz5ssgl'
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# nix store repair /nix/store/yb5q57zxv6hgqql42d5r8b5k5mcq6kay-hello-2.10
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```
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# Description
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This command attempts to "repair" the store paths specified by
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2022-12-01 01:57:02 +01:00
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[*installables*](./nix.md#installables) by redownloading them using the available
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2021-01-13 23:27:39 +01:00
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substituters. If no substitutes are available, then repair is not
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possible.
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> **Warning**
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>
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> During repair, there is a very small time window during which the old
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> path (if it exists) is moved out of the way and replaced with the new
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> path. If repair is interrupted in between, then the system may be left
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> in a broken state (e.g., if the path contains a critical system
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> component like the GNU C Library).
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)""
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