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-rw-r--r--src/Propellor/Shim.hs9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/Propellor/Shim.hs b/src/Propellor/Shim.hs
index 811ae7f0..b8ebdf46 100644
--- a/src/Propellor/Shim.hs
+++ b/src/Propellor/Shim.hs
@@ -16,12 +16,19 @@ import System.Posix.Files
-- | Sets up a shimmed version of the program, in a directory, and
-- returns its path.
--
+-- If the shim was already set up, it's refreshed, in case newer
+-- versions of libraries are needed.
+--
-- Propellor may be running from an existing shim, in which case it's
-- simply reused.
setup :: FilePath -> Maybe FilePath -> FilePath -> IO FilePath
-setup propellorbin propellorbinpath dest = checkAlreadyShimmed shim $ do
+setup propellorbin propellorbinpath dest = checkAlreadyShimmed propellorbin $ do
createDirectoryIfMissing True dest
+ -- Remove all old libraries inside dest, but do not delete the
+ -- directory itself, since it may be bind-mounted inside a chroot.
+ mapM_ nukeFile =<< dirContentsRecursive dest
+
libs <- parseLdd <$> readProcess "ldd" [propellorbin]
glibclibs <- glibcLibs
let libs' = nub $ libs ++ glibclibs