lsinitrd: add bash completion

Makefile

@@ -137,6 +137,7 @@ endif
 	install -m 0755 51-dracut-rescue.install $(DESTDIR)${prefix}/lib/kernel/install.d/51-dracut-rescue.install
 	mkdir -p $(DESTDIR)${bashcompletiondir}
 	install -m 0644 dracut-bash-completion.sh $(DESTDIR)${bashcompletiondir}/dracut
+	install -m 0644 lsinitrd-bash-completion.sh $(DESTDIR)${bashcompletiondir}/lsinitrd
 
 dracut-version.sh:
 	@echo "DRACUT_VERSION=$(VERSION)$(GITVERSION)" > dracut-version.sh

dracut.spec

@@ -282,6 +282,7 @@ rm -rf $RPM_BUILD_ROOT
 # compat symlink
 /sbin/dracut
 %{_datadir}/bash-completion/completions/dracut
+%{_datadir}/bash-completion/completions/lsinitrd
 %if 0%{?fedora} > 12 || 0%{?rhel} >= 6 || 0%{?suse_version} > 9999
 %{_bindir}/mkinitrd
 %{_bindir}/lsinitrd

lsinitrd-bash-completion.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+#
+# Copyright 2013 Red Hat, Inc.  All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+__contains_word () {
+        local word=$1; shift
+        for w in $*; do [[ $w = $word ]] && return 0; done
+        return 1
+}
+
+_lsinitrd() {
+        local field_vals= cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+        local -A OPTS=(
+                [STANDALONE]='-s --size -h --help'
+
+                       [ARG]='-f --file -k --kver'
+        )
+
+        if __contains_word "$prev" ${OPTS[ARG]}; then
+                case $prev in
+                        --file|-f)
+                                comps=$(compgen -f -- "$cur")
+                                compopt -o filenames
+                        ;;
+                        --kver|-k)
+                                comps=$(cd /lib/modules; echo [0-9]*)
+                        ;;
+                        *)
+                                return 0
+                        ;;
+                esac
+                COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+                return 0
+        fi
+
+        if [[ $cur = -* ]]; then
+                COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+                return 0
+        fi
+
+        comps=$(compgen -f -- "$cur")
+        compopt -o filenames
+        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+        return 0
+}
+
+complete -F _lsinitrd lsinitrd