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35 lines
950 B
Markdown
35 lines
950 B
Markdown
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# Special exit codes for build failure
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1xx status codes are used when requested builds failed.
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The following codes are in use:
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- `100` Generic build failure
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The builder process returned with a non-zero exit code.
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- `101` Build timeout
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The build was aborted because it did not complete within the specified `timeout`.
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- `102` Hash mismatch
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The build output was rejected because it does not match the
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[`outputHash` attribute of the derivation](@docroot@/language/advanced-attributes.md).
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- `104` Not deterministic
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The build succeeded in check mode but the resulting output is not binary reproducible.
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With the `--keep-going` flag it's possible for multiple failures to occur.
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In this case the 1xx status codes are or combined using
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[bitwise OR](https://en.wikipedia.org/wiki/Bitwise_operation#OR).
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```
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0b1100100
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^^^^
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|||`- timeout
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||`-- output hash mismatch
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|`--- build failure
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`---- not deterministic
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```
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