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definition:
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checkoutPackage :: Config -> Package -> String -> ErrorLogger ()
checkoutPackage cfg pkg outdir = do
sexists <- liftIOEL $ doesDirectoryExist pkgDir
let codir = if null outdir then name pkg else outdir
texists <- liftIOEL $ doesDirectoryExist codir
if texists
then logError $
"Local package directory '" ++ codir ++ "' already exists."
else if sexists
then do liftIOEL $ copyDirectory pkgDir codir
logInfo (logmsg codir)
else logError $ "Package '" ++ pkgId ++ "' is not installed."
where
pkgId = packageId pkg
pkgDir = installedPackageDir cfg pkg
logmsg d = "Package '" ++ pkgId ++ "' checked out into directory '" ++
d ++ "'."
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demand:
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no demanded arguments
|
|
deterministic:
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deterministic operation
|
|
documentation:
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--- Checkout a package from the global package cache.
|
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failfree:
|
<FAILING>
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{(_,_,_) |-> _}
|
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name:
|
checkoutPackage
|
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precedence:
|
no precedence defined
|
|
result-values:
|
_
|
|
signature:
|
CPM.Config.Config -> CPM.Package.Package -> String
-> CPM.ErrorLogger.ErrorLogger ()
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|