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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/DropKey.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/DropKey.hs')
-rw-r--r--Command/DropKey.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Command/DropKey.hs b/Command/DropKey.hs
index 42516f838..65446ba06 100644
--- a/Command/DropKey.hs
+++ b/Command/DropKey.hs
@@ -32,7 +32,7 @@ optParser desc = DropKeyOptions
seek :: DropKeyOptions -> CommandSeek
seek o = do
unlessM (Annex.getState Annex.force) $
- error "dropkey can cause data loss; use --force if you're sure you want to do this"
+ giveup "dropkey can cause data loss; use --force if you're sure you want to do this"
withKeys start (toDrop o)
case batchOption o of
Batch -> batchInput parsekey $ batchCommandAction . start