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* Add an API function exportPaths() that provides the functionality of

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‘nix-store --export’.
* Add a Perl module that provides the functionality of
  ‘nix-copy-closure --to’.  This is used by build-remote.pl so it no
  longer needs to start a separate nix-copy-closure process.  Also, it
  uses the Perl API to do the export, so it doesn't need to start a
  separate nix-store process either.  As a result, nix-copy-closure
  and build-remote.pl should no longer fail on very large closures due
  to an "Argument list too long" error.  (Note that having very many
  dependencies in a single derivation can still fail because the
  environment can become too large.  Can't be helped though.)
This commit is contained in:
Eelco Dolstra 2011-11-23 15:13:37 +00:00
parent ab20af3e6f
commit 5bbd693cae
10 changed files with 90 additions and 38 deletions
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src/libstore/local-store.cc
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@ -1255,7 +1255,7 @@ Path LocalStore::importPath(bool requireSignature, Source & source)
bool haveSignature = readInt(hashAndReadSource) == 1;
if (requireSignature && !haveSignature)
throw Error("imported archive lacks a signature");
throw Error(format("imported archive of `%1%' lacks a signature") % dstPath);
if (haveSignature) {
string signature = readString(hashAndReadSource);