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* Get derivation outputs from the database instead of the .drv file,

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which requires more I/O.
This commit is contained in:
Eelco Dolstra 2010-02-22 12:44:36 +00:00
parent 103cfee056
commit c4d388add4
7 changed files with 46 additions and 8 deletions
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8
src/libstore/gc.cc
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@ -467,10 +467,10 @@ bool LocalStore::tryToDelete(GCState & state, const Path & path)
then don't delete the derivation if any of the outputs are
live. */
if (state.gcKeepDerivations && isDerivation(path)) {
Derivation drv = derivationFromPath(path);
foreach (DerivationOutputs::iterator, i, drv.outputs)
if (!tryToDelete(state, i->second.path)) {
printMsg(lvlDebug, format("cannot delete derivation `%1%' because its output is alive") % path);
PathSet outputs = queryDerivationOutputs(path);
foreach (PathSet::iterator, i, outputs)
if (!tryToDelete(state, *i)) {
printMsg(lvlDebug, format("cannot delete derivation `%1%' because its output `%2%' is alive") % path % *i);
goto isLive;
}
}