to 0 disables automatic packing of loose objects.
+
If the number of packs exceeds the value of `gc.autoPackLimit`,
then existing packs (except those marked with a `.keep` file
or over `gc.bigPackThreshold` limit)
to 0 disables automatic packing of loose objects.
+
If the number of packs exceeds the value of `gc.autoPackLimit`,
then existing packs (except those marked with a `.keep` file
or over `gc.bigPackThreshold` limit)