diff options
Diffstat (limited to 'src/nix-store/nix-store.cc')
| -rw-r--r-- | src/nix-store/nix-store.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc index 678ce2ae9..0d474946b 100644 --- a/src/nix-store/nix-store.cc +++ b/src/nix-store/nix-store.cc @@ -640,16 +640,19 @@ static void opOptimise(Strings opFlags, Strings opArgs) if (!opArgs.empty()) throw UsageError("no arguments expected"); + bool dryRun = false; + for (Strings::iterator i = opFlags.begin(); i != opFlags.end(); ++i) - throw UsageError(format("unknown flag `%1%'") % *i); + if (*i == "--dry-run") dryRun = true; + else throw UsageError(format("unknown flag `%1%'") % *i); LocalStore * store2(dynamic_cast<LocalStore *>(store.get())); if (!store2) throw Error("you don't have sufficient rights to use --optimise"); OptimiseStats stats; try { - store2->optimiseStore(true, stats); + store2->optimiseStore(dryRun, stats); } catch (...) { showOptimiseStats(stats); throw; |