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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 allows running arbitrary Nix commands against an S3 binary cache.
To do: make this a compile time option to prevent a dependency on
aws-sdk-cpp.
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Forgot to commit this earlier...
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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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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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"verify-store" is now simply an "--all" flag to "nix verify". This
flag can be used for any other store path command as well (e.g. "nix
path-info", "nix copy-sigs", ...).
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Add 32bit linux clause to dev-shell
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Handle ARM triples without an endianness suffix
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nix-env: respect meta.outputsToInstall
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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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Thus, -I / $NIX_PATH entries are now downloaded only when they are
needed for evaluation. An error to download an entry is a non-fatal
warning (just like non-existant paths).
This does change the semantics of builtins.nixPath, which now returns
the original, rather than resulting path. E.g., before we had
[ { path = "/nix/store/hgm3yxf1lrrwa3z14zpqaj5p9vs0qklk-nixexprs.tar.xz"; prefix = "nixpkgs"; } ... ]
but now
[ { path = "https://nixos.org/channels/nixos-16.03/nixexprs.tar.xz"; prefix = "nixpkgs"; } ... ]
Fixes #792.
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This prevents the builder from being affected by whatever the host
system limits happen to be.
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This way we don't have to put all primops in one giant file.
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http://hydra.nixos.org/build/34453794
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Verification is slow. Also, we really shouldn't advise users to nuke
their store.
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More spring cleaning.
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install-nix-from-closure improvments
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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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Use the same logic as NixOS' profile and environment setup. Closes #414
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Just wasted a couple hours chasing shadows because the nix store got
corrupted and there was no indication of that anywhere.
Since an install is one-time only, might as well verify. Optimization
showed that the copied files aren't read-only; fixed that as well.
Also, use /bin/sh since there's a good chance that this script will be
run on systems without /bin/bash
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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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https://hydra.nixos.org/build/33908385
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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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Typical usage is to check local paths using the signatures from a
binary cache:
$ nix verify-paths -r /run/current-system -s https://cache.nixos.org
path ‘/nix/store/c1k4zqfb74wba5sn4yflb044gvap0x6k-nixos-system-mandark-16.03.git.fc2d7a5M’ is untrusted
...
checked 844 paths, 119 untrusted
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