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authorKevin Buhr <buhr@asaurus.net>2019-05-03 18:15:44 -0500
committerBen Gamari <ben@well-typed.com>2019-06-08 13:42:40 -0400
commit92bd7f1a8be80857fb679daf99e3d6cf7d9b63cd (patch)
tree5b94fadb9f970824c20305fb94e2e13ad3139b4f /compiler/main
parent709290b01c3c63137d863d6fdd97dabdfe47eb29 (diff)
downloadhaskell-wip/T16360.tar.gz
Handle trailing path separator in package DB names (#16360)wip/T16360
Package DB directories with trailing separator (provided via GHC_PACKAGE_PATH or via -package-db) resulted in incorrect calculation of ${pkgroot} substitution variable. Keep the trailing separator while resolving as directory or file, but remove it before dropping the last path component with takeDirectory. Closes #16360.
Diffstat (limited to 'compiler/main')
-rw-r--r--compiler/main/Packages.hs6
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/main/Packages.hs b/compiler/main/Packages.hs
index cdb4f9ba71..64e012c57f 100644
--- a/compiler/main/Packages.hs
+++ b/compiler/main/Packages.hs
@@ -559,13 +559,15 @@ readPackageConfig dflags conf_file = do
"can't find a package database at " ++ conf_file
let
+ -- Fix #16360: remove trailing slash from conf_file before calculting pkgroot
+ conf_file' = dropTrailingPathSeparator conf_file
top_dir = topDir dflags
- pkgroot = takeDirectory conf_file
+ pkgroot = takeDirectory conf_file'
pkg_configs1 = map (mungePackageConfig top_dir pkgroot)
proto_pkg_configs
pkg_configs2 = setBatchPackageFlags dflags pkg_configs1
--
- return (conf_file, pkg_configs2)
+ return (conf_file', pkg_configs2)
where
readDirStylePackageConfig conf_dir = do
let filename = conf_dir </> "package.cache"