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RemoteStore::addToStore(): Pass content-addressability assertion

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... and use this in Downloader::downloadCached(). This fixes

  $ nix-build https://nixos.org/channels/nixos-16.09-small/nixexprs.tar.xz -A hello
  error: cannot import path ‘/nix/store/csfbp1s60dkgmk9f8g0zk0mwb7hzgabd-nixexprs.tar.xz’ because it lacks a valid signature
This commit is contained in:
Eelco Dolstra 2017-02-22 16:31:04 +01:00
parent fe2db1dae5
commit f023f64f40
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GPG key ID: 8170B4726D7198DE
6 changed files with 16 additions and 3 deletions
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7
src/libstore/store-api.hh
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@ -128,7 +128,7 @@ struct ValidPathInfo
of an output path of a derivation were actually produced by
that derivation. In the intensional model, we have to trust
that a particular output path was produced by a derivation; the
path name then implies the contents.)
path then implies the contents.)
Ideally, the content-addressability assertion would just be a
Boolean, and the store path would be computed from
@ -687,6 +687,11 @@ ValidPathInfo decodeValidPathInfo(std::istream & str,
bool hashGiven = false);
/* Compute the content-addressability assertion (ValidPathInfo::ca)
for paths created by makeFixedOutputPath() / addToStore(). */
std::string makeFixedOutputCA(bool recursive, const Hash & hash);
MakeError(SubstError, Error)
MakeError(BuildError, Error) /* denotes a permanent build failure */
MakeError(InvalidPath, Error)