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* Undocumented option `gc-check-reachability' to allow reachability

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checking to be turned off on machines with way too many roots.
This commit is contained in:
Eelco Dolstra 2007-03-19 09:16:47 +00:00
parent eb2dd4815c
commit b2b6cf3fc8
1 changed files with 9 additions and 7 deletions
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16
src/libstore/gc.cc
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@ -118,13 +118,15 @@ Path addPermRoot(const Path & _storePath, const Path & _gcRoot,
} }
/* Check that the root can be found by the garbage collector. */ /* Check that the root can be found by the garbage collector. */
Roots roots = store->findRoots(); if (queryBoolSetting("gc-check-reachability", true)) {
if (roots.find(gcRoot) == roots.end()) Roots roots = store->findRoots();
printMsg(lvlError, if (roots.find(gcRoot) == roots.end())
format( printMsg(lvlError,
"warning: `%1%' is not in a directory where the garbage collector looks for roots; " format(
"therefore, `%2%' might be removed by the garbage collector") "warning: `%1%' is not in a directory where the garbage collector looks for roots; "
% gcRoot % storePath); "therefore, `%2%' might be removed by the garbage collector")
% gcRoot % storePath);
}
/* Grab the global GC root, causing us to block while a GC is in /* Grab the global GC root, causing us to block while a GC is in
progress. This prevents the set of permanent roots from progress. This prevents the set of permanent roots from