epm-removerepo: restore remove all

bin/epm-removerepo

@@ -23,8 +23,12 @@ load_helper epm-sh-altlinux
 __epm_removerepo_alt_grepremove()
 {
 	local rl
-	rl="$((quiet=1 epm repolist) 2>/dev/null | grep -E "$1")"
-	[ -z "$rl" ] && warning "Can't find '$1' in the repos (see '# epm repolist' output)" && return 1
+	if [ "$1" != "all" ] ; then
+		rl="$((quiet=1 epm repolist) 2>/dev/null | grep -E "$1")"
+		[ -z "$rl" ] && warning "Can't find '$1' in the repos (see '# epm repolist' output)" && return 1
+	else
+		rl="$1"
+	fi
 	echo "$rl" | while read rp ; do
 		# TODO: print removed lines
 		[ -n "$dryrun" ] && docmd apt-repo $dryrun rm "$rp" && continue