* Set gc-keep-outputs' or gc-keep-derivations' to false with

`--delete --ignore-liveness'.
This commit is contained in:
Eelco Dolstra 2010-03-08 21:31:42 +00:00
parent 2e4ef03aa3
commit 44f6e6de77

View file

@ -564,6 +564,15 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
state.gcKeepOutputs = queryBoolSetting("gc-keep-outputs", false);
state.gcKeepDerivations = queryBoolSetting("gc-keep-derivations", true);
/* Using `--ignore-liveness' with `--delete' can have unintended
consequences if `gc-keep-outputs' or `gc-keep-derivations' are
true (the garbage collector will recurse into deleting the
outputs or derivers, respectively). So disable them. */
if (options.action == GCOptions::gcDeleteSpecific && options.ignoreLiveness) {
state.gcKeepOutputs = false;
state.gcKeepDerivations = false;
}
/* Acquire the global GC root. This prevents
a) New roots from being added.
b) Processes from creating new temporary root files. */