Age | Commit message (Collapse) | Author |
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This restores the Nix 1.11 behaviour.
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As a side effect, this ensures that signatures are propagated when
copying paths between stores.
Also refactored import/export to make use of this.
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Other stores don't do this either. It's up to the caller to check
signatures.
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This prevents copying a partial closure to a binary cache.
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This allows commands like "nix verify --all" or "nix path-info --all"
to work on S3 caches.
Unfortunately, this requires some ugly hackery: when querying the
contents of the bucket, we don't want to have to read every .narinfo
file. But the S3 bucket keys only include the hash part of each store
path, not the name part. So as a special exception
queryAllValidPaths() can now return store paths *without* the name
part, and queryPathInfo() accepts such store paths (returning a
ValidPathInfo object containing the full name).
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This re-implements the binary cache database in C++, allowing it to be
used by other Store backends, in particular the S3 backend.
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Caching path info is generally useful. For instance, it speeds up "nix
path-info -rS /run/current-system" (i.e. showing the closure sizes of
all paths in the closure of the current system) from 5.6s to 0.15s.
This also eliminates some APIs like Store::queryDeriver() and
Store::queryReferences().
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This allows readFile() to indicate that a file doesn't exist, and
might eliminate some large string copying.
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This allows queryPathInfo() to return signatures.
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This allows applying nix-store --verify-path to binary cache stores:
NIX_REMOTE=https://cache.nixos.org nix-store --verify-path /nix/store/s5c7...
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If a path is in the .narinfo cache, obviously it's valid.
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The public key can be derived from the secret key, so there's no need
for the user to supply it separately.
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This enables an optimisation in hydra-queue-runner, preventing a
download of a NAR it just uploaded to the cache when reading files
like hydra-build-products.
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This is primary to allow hydra-queue-runner to extract files like
"nix-support/hydra-build-products" from NARs in binary caches.
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So now you can do
$ NIX_REMOTE=file:///tmp/binary-cache nix-instantiate '<nixpkgs>' -A hello
and lots of other operations.
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So you can now do:
$ NIX_REMOTE=file:///tmp/binary-cache nix-store -qR /nix/store/...
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