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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 /Annex/View.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 'Annex/View.hs')
-rw-r--r--Annex/View.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/Annex/View.hs b/Annex/View.hs
index 7d2b43e60..d865c8f78 100644
--- a/Annex/View.hs
+++ b/Annex/View.hs
@@ -110,7 +110,7 @@ refineView origview = checksize . calc Unchanged origview
in (view', Narrowing)
checksize r@(v, _)
- | viewTooLarge v = error $ "View is too large (" ++ show (visibleViewSize v) ++ " levels of subdirectories)"
+ | viewTooLarge v = giveup $ "View is too large (" ++ show (visibleViewSize v) ++ " levels of subdirectories)"
| otherwise = r
updateViewComponent :: ViewComponent -> MetaField -> ViewFilter -> Writer [ViewChange] ViewComponent
@@ -424,4 +424,4 @@ genViewBranch view = withViewIndex $ do
return branch
withCurrentView :: (View -> Annex a) -> Annex a
-withCurrentView a = maybe (error "Not in a view.") a =<< currentView
+withCurrentView a = maybe (giveup "Not in a view.") a =<< currentView