bin/pkg: check whether sed works properly

1 files changed, 10 insertions, 1 deletions

diff --git a/bin/pkg b/bin/pkg
index d884794..b081f76 100755
--- a/bin/pkg
+++ b/bin/pkg
@@ -11,7 +11,7 @@ VCS_UPDATE="pull"
 VCS_UPDATE_OPTIONS="--update"
 CL_OPTIONS="-q"
 info=$'\e[0;36m'
-error=$'\e[1;31m'
+error=$'\e[0;31m'
 reset=$'\e[0m'
 
 info () {
@@ -27,6 +27,13 @@ die () {
 	exit 100
 }
 
+check_sed () {
+	QUUX=$(echo foox | sed -r 's/^fo{2}(.)$/quu\1/')
+	if ([ ! $QUUX = 'quux' ]) {
+		warn "sed is not working properly. This may produce unexpected behaviour.\n"
+	}
+}
+
 if ([ -f $HOME/.pkg.conf ]) {
 	. $HOME/.pkg.conf
 }
@@ -164,6 +171,8 @@ pkg_status_wrapper () {
 	}
 }
 
+check_sed
+
 case "$1" in
 	add) pkg_add "$2" ;;
 	changeroot) pkg_changesrc "$2" ;;