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* Implement the `gc-keep-derivations' global configuretion flag.

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This commit is contained in:
Eelco Dolstra 2005-02-14 14:16:56 +00:00
parent 6a8ef36fe6
commit a04a5de8f7
1 changed files with 14 additions and 1 deletions
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15
src/libstore/gc.cc
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@ -306,7 +306,10 @@ void collectGarbage(GCAction action, PathSet & result)
{
result.clear();
bool gcKeepOutputs = queryBoolSetting("gc-keep-outputs", false);
bool gcKeepOutputs =
queryBoolSetting("gc-keep-outputs", false);
bool gcKeepDerivations =
queryBoolSetting("gc-keep-derivations", true);
/* Acquire the global GC root. This prevents
a) New roots from being added.
@ -330,6 +333,16 @@ void collectGarbage(GCAction action, PathSet & result)
for (PathSet::const_iterator i = roots.begin(); i != roots.end(); ++i)
computeFSClosure(canonPath(*i), livePaths);
if (gcKeepDerivations) {
for (PathSet::iterator i = livePaths.begin();
i != livePaths.end(); ++i)
{
Path deriver = queryDeriver(noTxn, *i);
if (deriver != "")
computeFSClosure(deriver, livePaths);
}
}
if (gcKeepOutputs) {
/* Hmz, identical to storePathRequisites in nix-store. */
for (PathSet::iterator i = livePaths.begin();