shadow: provide a working sg(1) cmd.

srcpkgs/shadow/template

@@ -1,7 +1,7 @@
 # Template file for 'shadow'
 pkgname=shadow
 version=4.2.1
-revision=4
+revision=5
 build_style=gnu-configure
 configure_args="--bindir=/usr/bin --sbindir=/usr/sbin
  --libdir=/usr/lib --enable-shared --disable-static
@@ -32,6 +32,9 @@ homepage="http://pkg-shadow.alioth.debian.org"
 distfiles="http://pkg-shadow.alioth.debian.org/releases/$pkgname-$version.tar.xz"
 checksum=3b0893d1476766868cd88920f4f1231c4795652aa407569faff802bcda0f3d41
 
+# sg now provided by shadow
+replaces="util-linux<2.26_2"
+
 pre_configure() {
 	autoreconf -fi
 
@@ -76,9 +79,10 @@ post_install() {
 	rm -f ${DESTDIR}/usr/share/man/man1/groups.1
 
 	# Remove utilities provided by util-linux and logoutd.
+	mv ${DESTDIR}/usr/bin/{newgrp,sg}
+
 	rm \
-		$DESTDIR/usr/bin/{chsh,chfn,sg} \
-		$DESTDIR/usr/bin/{newgrp,login,su} \
+		$DESTDIR/usr/bin/{login,su,chsh,chfn} \
 		$DESTDIR/usr/sbin/{nologin,logoutd,vipw,vigr}
 
 	# ...and their many man pages