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Make --repair-path also repair corrupt optimised links
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There already existed a smoke test for the link content length,
but it appears that there exists some corruptions pernicious enough
to replace the file content with zeros, and keeping the same length.
--repair-path now goes as far as checking the content of the link,
making it true to its name and actually repairing the path for such
coruption cases.
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This causes a recursive call to ensurePath(), which is not a good
idea.
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Better diagnostics if no valid signature found
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This was already accidentally disabled in ba87b08. It also no longer
appears to be beneficial, and in fact slow things down, e.g. when
evaluating a NixOS system configuration:
elapsed time: median = 3.8170 mean = 3.8202 stddev = 0.0195 min = 3.7894 max = 3.8600 [rejected, p=0.00000, Δ=0.36929±0.02513]
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On Docker (but not podman), unshare(CLONE_FS) fails with EPERM. So
let's ignore it and hope nothing bad happens.
Attempted fix for #5777.
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Add a crude tracing mechansim for the build results
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reproducibility: hide non-reproducible settings from manual
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ca-specific-schema.sql: add index on RealisationsRefs(referrer)
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This is a temporary hack until we make queryMissing() async.
Closes #5324.
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https://hydra.nixos.org/build/161439235
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On macOS / BSD, these sockets inherit the non-blocking flag of the
server soocket, which is not what we want.
https://github.com/dotnet/runtime/issues/25069
https://bugs.python.org/issue7995
https://hydra.nixos.org/build/161439304
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Add a `_NIX_TRACE_BUILT_OUTPUTS` environment variable that can be set to
a filename in which the result of each build will be logged.
This is intentionally crude and undocumented as it’s only meant to be a
temporary thing to assess the usefulness of CA derivations.
Any other use would need a cleaner re-implementation first.
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Make the build of unresolved derivations return the same status as the
resolved one, except in the case of an `AlreadyValid` in which case it
will return `ResolvesToAlreadyValid` to mean that the outputs of the unresolved
derivation weren’t known, but the resolved one is.
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Closes #1584.
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Tidy up the logging
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I downloaded Nix tonight, and immediately broke it by accidentally removing the default binary caching.
After figuring this out, I also failed to fix it properly, due to using the wrong key for Nix's default binary cache
If the diagnostic message would have been clearer about what/where a "signature" for a "substituter" is + comes from, it probably would have saved me a few hours.
Maybe we can save other noobs the same pain?
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Fixes: https://github.com/NixOS/nixos-homepage/issues/762
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Fix #5712
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Because the manual is generated from default values which are themselves
generated from various sources (cpuid, bios settings (kvm), number of
cores). This commit hides non-reproducible settings from the manual
output.
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No matter what, we need to resize the buffer to not have any scratch
space after we do the `read`. In the end of file case, `got` will be 0
from it's initial value.
Before, we forgot to resize in the EOF case with the break. Yes, we know
we didn't recieve any data in that case, but we still have the scatch
space to undo.
Co-Authored-By: Will Fancher <Will.Fancher@Obsidian.Systems>
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This doesn't fix the bug, but makes the code less difficult to read.
Also improve the comments, now that it is clear what part is needed in
each code path.
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No more buffering in string.
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Use the macros more, so we properly skip work when the log level
excludes. Also log the daemon operation number on the daemon side.
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"recursive-nix" system feature only with experimental feature
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Before this, `setns` would fail when switching to the mount namespace,
since we did not have the privileges to do so when not root.
Closes #5360
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Inspired by https://github.com/NixOS/nix/pull/5599
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Set new rosetta 2 path in sandbox
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see:
https://github.com/NixOS/nix/pull/5388
and
https://github.com/NixOS/nix/pull/5251
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Closes https://github.com/NixOS/nix/issues/972
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Fix a stack buffer overflow found by running MemorySanitizer.
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async realisation substitution
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