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authorEelco Dolstra <eelco.dolstra@logicblox.com>2012-09-13T20·39-0400
committerEelco Dolstra <eelco.dolstra@logicblox.com>2012-09-13T20·39-0400
commit47ae3ce2ca1dc93e2539a04c690c18f4747c8e8d (patch)
tree4435324693ebf942c610581613c23be6be0e0352 /perl
parente03a8a1c923365ca24ea63ac43d3e09f7f9fb3d8 (diff)
Put a time-to-live on negative binary cache lookups
Negative lookups are purged from the DB after a day, at most once per
day.  However, for non-"have" lookups (e.g. all except "nix-env
-qas"), negative lookups are ignored after one hour.  This is to
ensure that you don't have to wait a day for an operation like
"nix-env -i" to start using new binaries in the cache.

Should probably make this configurable.
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