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Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors.

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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.
This commit is contained in:
Joey Hess 2016-11-15 21:29:54 -04:00
parent 69915c6c9b
commit 0a4479b8ec
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GPG key ID: C910D9222512E3C7
116 changed files with 287 additions and 270 deletions
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4
Assistant/WebApp/Configurators/WebDAV.hs
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@ -82,7 +82,7 @@ postAddBoxComR = boxConfigurator $ do
]
_ -> $(widgetFile "configurators/addbox.com")
#else
postAddBoxComR = error "WebDAV not supported by this build"
postAddBoxComR = giveup "WebDAV not supported by this build"
#endif
getEnableWebDAVR :: UUID -> Handler Html
@ -120,7 +120,7 @@ postEnableWebDAVR uuid = do
T.pack <$> Remote.prettyUUID uuid
$(widgetFile "configurators/enablewebdav")
#else
postEnableWebDAVR _ = error "WebDAV not supported by this build"
postEnableWebDAVR _ = giveup "WebDAV not supported by this build"
#endif
#ifdef WITH_WEBDAV