rely on libmount defaults for file locations

Using --tab-file for findmnt calls is redundant if we can rely on the
defaults. Sanitize the environment from any LIBMOUNT_* variables so
that we can be sure of what file we're reading.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/mkinitcpio b/mkinitcpio
index 0ae6913..2d8c579 100755
--- a/mkinitcpio
+++ b/mkinitcpio
@@ -31,7 +31,8 @@ export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
 # Sanitize environment further
 # GREP_OPTIONS="--color=always" will break everything
 # CDPATH can affect cd and pushd
-unset GREP_OPTIONS CDPATH
+# LIBMOUNT_* options can affect findmnt and other tools
+unset GREP_OPTIONS CDPATH "${!LIBMOUNT_@}"
 
 usage() {
     cat <<EOF