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

Browse source 
‘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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13
perl/lib/Nix/Store.xs
View file

@ -146,3 +146,16 @@ SV * followLinksToStorePath(char * path)
}
OUTPUT:
RETVAL
void exportPaths(int fd, int sign, ...)
PPCODE:
try {
doInit();
Paths paths;
for (int n = 2; n < items; ++n) paths.push_back(SvPV_nolen(ST(n)));
FdSink sink(fd);
exportPaths(*store, paths, sign, sink);
} catch (Error & e) {
croak(e.what());
}