makepkg: unset GREP_OPTIONS

grep allows options to be set from the environment with GREP_OPTIONS.
Many of these options will alter grep's output, breaking makepkg.
GREP_OPTIONS=--line-number breaks installed dependency removal, for
instance.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 45be8b63..6c898497 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -38,6 +38,8 @@ export TEXTDOMAINDIR='@localedir@'
 export COMMAND_MODE='legacy'
 # Ensure CDPATH doesn't screw with our cd calls
 unset CDPATH
+# Ensure GREP_OPTIONS doesn't screw with our grep calls
+unset GREP_OPTIONS
 
 declare -r makepkg_version='@PACKAGE_VERSION@'
 declare -r confdir='@sysconfdir@'