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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 /Command/EnableRemote.hs
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 'Command/EnableRemote.hs')
-rw-r--r--Command/EnableRemote.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/Command/EnableRemote.hs b/Command/EnableRemote.hs
index dc3e7bc56..e1af8bb7a 100644
--- a/Command/EnableRemote.hs
+++ b/Command/EnableRemote.hs
@@ -63,7 +63,7 @@ startSpecialRemote name config Nothing = do
_ -> unknownNameError "Unknown remote name."
startSpecialRemote name config (Just (u, c)) = do
let fullconfig = config `M.union` c
- t <- either error return (Annex.SpecialRemote.findType fullconfig)
+ t <- either giveup return (Annex.SpecialRemote.findType fullconfig)
showStart "enableremote" name
gc <- maybe def Remote.gitconfig <$> Remote.byUUID u
next $ performSpecialRemote t u fullconfig gc
@@ -94,7 +94,7 @@ unknownNameError prefix = do
disabledremotes <- filterM isdisabled =<< Annex.fromRepo Git.remotes
let remotesmsg = unlines $ map ("\t" ++) $
mapMaybe Git.remoteName disabledremotes
- error $ concat $ filter (not . null) [prefix ++ "\n", remotesmsg, specialmsg]
+ giveup $ concat $ filter (not . null) [prefix ++ "\n", remotesmsg, specialmsg]
where
isdisabled r = anyM id
[ (==) NoUUID <$> getRepoUUID r