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* Note.

This commit is contained in:
Eelco Dolstra 2008-06-14 16:02:31 +00:00
parent 955b8841cd
commit 94fd46fa1c
1 changed files with 5 additions and 1 deletions
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6
src/libstore/gc.cc
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@ -123,7 +123,11 @@ Path addPermRoot(const Path & _storePath, const Path & _gcRoot,
createSymlink(gcRoot, storePath, false);
}
/* Check that the root can be found by the garbage collector. */
/* Check that the root can be found by the garbage collector.
!!! This can be very slow on machines that have many roots.
Instead of reading all the roots, it would be more efficient to
check if the root is in a directory in or linked from the
gcroots directory. */
if (queryBoolSetting("gc-check-reachability", true)) {
Roots roots = store->findRoots();
if (roots.find(gcRoot) == roots.end())