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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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Also updates tests to check for new information. Fixes #799
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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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For convenience, you can now say
$ nix-env -f channel:nixos-16.03 -iA hello
instead of
$ nix-env -f https://nixos.org/channels/nixos-16.03/nixexprs.tar.xz -iA hello
Similarly,
$ nix-shell -I channel:nixpkgs-unstable -p hello
$ nix-build channel:nixos-15.09 -A hello
Abstracting over the NixOS/Nixpkgs channels location also allows us to
use a more efficient transport (e.g. Git) in the future.
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This prevents the builder from being affected by whatever the host
system limits happen to be.
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http://hydra.nixos.org/build/34453794
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Manifests have been superseded by binary caches for years. This also
gets rid of nix-pull, nix-generate-patches and bsdiff/bspatch.
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This feature was implemented for Hydra, but Hydra no longer uses it.
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Necessary for multi-threaded commands like "nix verify-paths".
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This specifies the number of distinct signatures required to consider
each path "trusted".
Also renamed ‘--no-sigs’ to ‘--no-trust’ for the flag that disables
verifying whether a path is trusted (since a path can also be trusted
if it has no signatures, but was built locally).
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Locally-built paths are now signed automatically using the secret keys
specified by the ‘secret-key-files’ option.
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The 304 Not Modified was not handled correctly, so the empty result
from the conditional request would overwrite the previous tarball.
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E.g.
$ nix sign-paths -k ./secret -r $(type -p geeqie)
signs geeqie and all its dependencies using the key in ./secret.
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This imports signatures from one store into another. E.g.
$ nix copy-sigs -r /run/current-system -s https://cache.nixos.org/
imported 595 signatures
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These are content-addressed paths or outputs of locally performed
builds. They are trusted even if they don't have signatures, so "nix
verify-paths" won't complain about them.
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In particular, this eliminates a bunch of boilerplate code.
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Unlike "nix-store --verify-path", this command verifies signatures in
addition to store path contents, is multi-threaded (especially useful
when verifying binary caches), and has a progress indicator.
Example use:
$ nix verify-paths --store https://cache.nixos.org -r $(type -p thunderbird)
...
[17/132 checked] checking ‘/nix/store/rawakphadqrqxr6zri2rmnxh03gqkrl3-autogen-5.18.6’
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Doing a chdir() is a bad idea in multi-threaded programs, leading to
failures such as
error: cannot connect to daemon at ‘/nix/var/nix/daemon-socket/socket’: No such file or directory
Since Linux doesn't have a connectat() syscall like FreeBSD, there is
no way we can support this in a race-free way.
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Closes https://github.com/NixOS/hydra/pull/286.
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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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http://hydra.nixos.org/build/33279996
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http://hydra.nixos.org/build/33279570
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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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Allowing stuff like
NIX_REMOTE=https://cache.nixos.org nix-store -qR /nix/store/x1p1gl3a4kkz5ci0nfbayjqlqmczp1kq-geeqie-1.1
or
NIX_REMOTE=https://cache.nixos.org nix-store --export /nix/store/x1p1gl3a4kkz5ci0nfbayjqlqmczp1kq-geeqie-1.1 | nix-store --import
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This for instance allows hydra-queue-runner to add the S3 backend
at runtime.
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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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