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definition:
|
createLink :: String -> String -> String -> Bool -> ErrorLogger ()
createLink pkgDir from name replace = do
liftIOEL $ ensureCacheDir pkgDir
exists <- liftIOEL $ linkExists target
if exists && not replace
then return ()
else do
deleteIfLink target
fromabs <- liftIOEL $ getRealPath from
rc <- liftIOEL $ createSymlink fromabs target
if rc == 0
then return ()
else fail $ "Failed to create symlink from '" ++ from ++ "' to '" ++
target ++ "', return code " ++ show rc
where
target = cacheDir pkgDir </> name
|
|
demand:
|
no demanded arguments
|
|
deterministic:
|
deterministic operation
|
|
documentation:
|
--- Create a link from a directory into the local package cache.
---
--- @param pkgDir the package directory
--- @param from the source directory to be linked into the local cache
--- @param name the name of the link in the package directory (should be a
--- package id)
--- @param replace replace existing link?
|
|
failfree:
|
<FAILING>
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{(_,_,_,_) |-> _}
|
|
name:
|
createLink
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
_
|
|
signature:
|
String -> String -> String -> Prelude.Bool -> CPM.ErrorLogger.ErrorLogger ()
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|