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Nix Hash: Difference between revisions
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Replace .nix file hashs theeasy way
imported>Das-g m (correctly capitalize "PhD") |
imported>Pheoxy m (Replace .nix file hashs theeasy way) |
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If you find a hash that uses colon as a separator (<code><type>:<hash></code>), don't use that. This relies on undocumented behavior and is not officially supported. | If you find a hash that uses colon as a separator (<code><type>:<hash></code>), don't use that. This relies on undocumented behavior and is not officially supported. | ||
=== Updating Packages === | |||
When you are updating packages in nixpkgs. | |||
An easy way to get the Hash is TOFU, where we replace the hash in a .nix file with: | |||
<syntaxHighlight lang=nix> | |||
{ | |||
hash = "sha256-IdU23rswdtT26QRL2e8VyMWLKfnL1K1AawWDEKVl3rw="; | |||
}; | |||
</syntaxHighlight> | |||
<syntaxHighlight lang=nix> | |||
{ | |||
hash = ""; | |||
}; | |||
</syntaxHighlight> | |||
Nix assumes with blank quotes in the hash means a TOFU on a nix-build is needed and will get the Hash for you enter into the old .nix file. | |||
<syntaxHighlight lang=nix> | |||
{ | |||
hash = "sha256-wlb6er8L2EaqgJbmbATBdSxx1BGcJXNcsu+/4UBmYdQ="; | |||
}; | |||
</syntaxHighlight> | |||
Once you have replaced the Hash, run nix-build or equivalent command again and it will verify the Hash and continue your build to update the package. | |||
=== What exactly is hashed === | === What exactly is hashed === | ||