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include path in "Cannot find old distribution bundle; not upgrading" message

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This commit is contained in:
Joey Hess 2014-05-21 13:27:40 -04:00
parent 2bb31a6923
commit c6d690f350
1 changed files with 3 additions and 3 deletions
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6
Assistant/Upgrade.hs
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@ -222,18 +222,18 @@ upgradeToDistribution newdir cleanup distributionfile = do
{- Finds where the old version was installed. -}
oldVersionLocation :: IO FilePath
oldVersionLocation = do
#ifdef darwin_HOST_OS
pdir <- parentDir <$> readProgramFile
#ifdef darwin_HOST_OS
let dirs = splitDirectories pdir
{- It will probably be deep inside a git-annex.app directory. -}
let olddir = case findIndex ("git-annex.app" `isPrefixOf`) dirs of
Nothing -> pdir
Just i -> joinPath (take (i + 1) dirs)
#else
olddir <- parentDir <$> readProgramFile
let olddir = pdir
#endif
when (null olddir) $
error $ "Cannot find old distribution bundle; not upgrading."
error $ "Cannot find old distribution bundle; not upgrading. (Looked in " ++ pdir ++ ")"
return olddir
{- Finds a place to install the new version.