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Fix upgradeGHCup 

File needs to be unlinked first, because it might
potentially be in use.
This commit is contained in:
Julian Ospald 2020-04-12 18:54:03 +02:00
parent df9dd0e785
commit d2efb504b9
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GPG Key ID: 511B62C09D50CD28
1 changed files with 8 additions and 3 deletions
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11
lib/GHCup.hs
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@ -690,17 +690,22 @@ upgradeGHCup dls mtarget = do
lift $ $(logInfo) [i|Upgrading GHCup...|]
let latestVer = fromJust $ getLatest dls GHCup
pfreq <- liftE platformRequest
dli <- lE $ getDownloadInfo GHCup latestVer pfreq dls
tmp <- lift withGHCupTmpDir
dli <- lE $ getDownloadInfo GHCup latestVer pfreq dls
tmp <- lift withGHCupTmpDir
let fn = [rel|ghcup|]
p <- liftE $ download dli tmp (Just fn)
case mtarget of
Nothing -> do
dest <- liftIO $ ghcupBinDir
liftIO $ hideError NoSuchThing $ deleteFile (dest </> fn)
handleIO (throwE . CopyError . show) $ liftIO $ copyFile p
(dest </> fn)
Overwrite
Just fullDest -> liftIO $ copyFile p fullDest Overwrite
Just fullDest -> do
liftIO $ hideError NoSuchThing $ deleteFile fullDest
handleIO (throwE . CopyError . show) $ liftIO $ copyFile p
fullDest
Overwrite
pure latestVer