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* nix-store --dump-db / --load-db to dump/load the Nix DB.

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* nix-store --register-validity: option to supply the content hash of
  each path.
* Removed compatibility with Nix <= 0.7 stores.
This commit is contained in:
Eelco Dolstra 2008-01-29 18:17:36 +00:00
parent 5b5a3af983
commit 66c51dc215
9 changed files with 130 additions and 137 deletions
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34
src/libstore/build.cc
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@ -1263,34 +1263,6 @@ string showPaths(const PathSet & paths)
}
/* Return a string accepted by `nix-store --register-validity' that
registers the specified paths as valid. Note: it's the
responsibility of the caller to provide a closure. */
static string makeValidityRegistration(const PathSet & paths,
bool showDerivers)
{
string s = "";
for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i) {
s += *i + "\n";
Path deriver = showDerivers ? store->queryDeriver(*i) : "";
s += deriver + "\n";
PathSet references;
store->queryReferences(*i, references);
s += (format("%1%\n") % references.size()).str();
for (PathSet::iterator j = references.begin();
j != references.end(); ++j)
s += *j + "\n";
}
return s;
}
DerivationGoal::HookReply DerivationGoal::tryBuildHook()
{
if (!useBuildHook) return rpDecline;
@ -1417,7 +1389,7 @@ DerivationGoal::HookReply DerivationGoal::tryBuildHook()
/* The `references' file has exactly the format accepted by
`nix-store --register-validity'. */
writeStringToFile(referencesFN,
makeValidityRegistration(allInputs, true));
makeValidityRegistration(allInputs, true, false));
/* Tell the hook to proceed. */
writeLine(toHook.writeSide, "okay");
@ -1662,7 +1634,7 @@ void DerivationGoal::startBuilder()
/* !!! in secure Nix, the writing should be done on the
build uid for security (maybe). */
writeStringToFile(tmpDir + "/" + fileName,
makeValidityRegistration(refs, false));
makeValidityRegistration(refs, false, false));
}
// The same for derivations
@ -1701,7 +1673,7 @@ void DerivationGoal::startBuilder()
/* !!! in secure Nix, the writing should be done on the
build uid for security (maybe). */
writeStringToFile(tmpDir + "/" + fileName,
makeValidityRegistration(refs, false));
makeValidityRegistration(refs, false, false));
}