Don't update ghcup if already latest version

Fixes #2
2020-04-15 13:57:44 +02:00
parent ad4d185ead
commit f4242b10e7
4 changed files with 26 additions and 7 deletions
--- a/lib/GHCup/Errors.hs
+++ b/lib/GHCup/Errors.hs
@@ -30,6 +30,10 @@ data NoCompatiblePlatform = NoCompatiblePlatform String -- the platform we got
 data NoDownload = NoDownload
  deriving Show

+-- | No update available or necessary.
+data NoUpdate = NoUpdate
+  deriving Show
+
 -- | The Architecture is unknown and unsupported.
 data NoCompatibleArch = NoCompatibleArch String
  deriving Show