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Diffstat (limited to 'src/libstore/globals.hh')
| -rw-r--r-- | src/libstore/globals.hh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh index d360e5c5e..1aeb462d4 100644 --- a/src/libstore/globals.hh +++ b/src/libstore/globals.hh @@ -981,7 +981,10 @@ public: )"}; Setting<uint64_t> maxFree{ - this, std::numeric_limits<uint64_t>::max(), "max-free", + // n.b. this is deliberately int64 max rather than uint64 max because + // this goes through the Nix language JSON parser and thus needs to be + // representable in Nix language integers. + this, std::numeric_limits<int64_t>::max(), "max-free", R"( When a garbage collection is triggered by the `min-free` option, it stops as soon as `max-free` bytes are available. The default is |