| Value | Meaning |
|---|---|
| none0 | |
| upgrade1 << 1 | Upgrade existing packages |
| preRelease1 << 2 | inclde pre-release versions in upgrade |
| forceRemove1 << 3 | Deprecated, does nothing. |
| select1 << 4 | Update the dub.selections.json file with the upgraded versions |
| printUpgradesOnly1 << 5 | Instead of downloading new packages, just print a message to notify the user of their existence |
| useCachedResult1 << 6 | Use cached information stored with the package to determine upgrades |
| noSaveSelections1 << 7 | Don't store updated selections on disk |
Option flags for Dub.upgrade