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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/Group.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/Group.hs')
-rw-r--r--Command/Group.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Command/Group.hs b/Command/Group.hs
index 8e901dfb3..6d9b4ab13 100644
--- a/Command/Group.hs
+++ b/Command/Group.hs
@@ -30,7 +30,7 @@ start (name:[]) = do
u <- Remote.nameToUUID name
showRaw . unwords . S.toList =<< lookupGroups u
stop
-start _ = error "Specify a repository and a group."
+start _ = giveup "Specify a repository and a group."
setGroup :: UUID -> Group -> CommandPerform
setGroup uuid g = do