bash-completion: remove completions provided by util-linux.

srcpkgs/bash-completion/template

@@ -1,7 +1,7 @@
 # Template file for 'bash-completion'
 pkgname=bash-completion
 version=2.1
-revision=1
+revision=2
 build_style=gnu-configure
 makedepends="bash"
 short_desc="Programmable completion for the GNU Bash shell"
@@ -17,6 +17,14 @@ long_desc="
  commands, reducing the amount of typing sysadmins and programmers need to
  do on a daily basis."
 
+post_install() {
+	# remove completions provided by util-linux.
+	for f in su dmesg ionice rtcwake look hexdump chsh renice hwclock \
+		cal eject newgrp; do
+		rm -f ${DESTDIR}/usr/share/bash-completion/completions/${f}
+	done
+}
+
 bash-completion_package() {
 	depends="bash"
 	noarch="yes"