{- ### Overriding/Patching a package let upstream = -- in upstream with halogen.version = "master" with halogen.repo = "https://example.com/path/to/git/repo.git" with halogen-vdom.version = "v4.0.0" ### Additions let upstream = -- in upstream with new-package-name = { dependencies = [ "dependency1" , "dependency2" ] , repo = "https://example.com/path/to/git/repo.git" , version = "" } -} let upstream = https://raw.githubusercontent.com/purescript/package-sets/psc-0.14.7-20220228/src/packages.dhall sha256:585403682c9378a55da644fb2edbc74d2592d18283bc9fa3457ad79398bb55bb in upstream