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authorGravatar Joey Hess <joeyh@joeyh.name>2016-11-15 21:29:54 -0400
committerGravatar Joey Hess <joeyh@joeyh.name>2016-11-15 21:29:54 -0400
commit381766efcdddb4c8706408a90c515470a6aa43a7 (patch)
treedda693b36724839ff2daff0e0766b7bdd883ea2c /Logs
parent27fafd61c39f8436e19e8fd449b5851ead10bbd1 (diff)
Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors.
ghc 8 added backtraces on uncaught errors. This is great, but git-annex was using error in many places for a error message targeted at the user, in some known problem case. A backtrace only confuses such a message, so omit it. Notably, commands like git annex drop that failed due to eg, numcopies, used to use error, so had a backtrace. This commit was sponsored by Ethan Aubin.
Diffstat (limited to 'Logs')
-rw-r--r--Logs/Transitions.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Logs/Transitions.hs b/Logs/Transitions.hs
index 07667c407..04f9824b1 100644
--- a/Logs/Transitions.hs
+++ b/Logs/Transitions.hs
@@ -60,7 +60,7 @@ parseTransitions = check . map parseTransitionLine . splitLines
parseTransitionsStrictly :: String -> String -> Transitions
parseTransitionsStrictly source = fromMaybe badsource . parseTransitions
where
- badsource = error $ "unknown transitions listed in " ++ source ++ "; upgrade git-annex!"
+ badsource = giveup $ "unknown transitions listed in " ++ source ++ "; upgrade git-annex!"
showTransitionLine :: TransitionLine -> String
showTransitionLine (TransitionLine ts t) = unwords [show t, show ts]