From 5c7821b6c552bc43f88c6522729b6a7f087e8f60 Mon Sep 17 00:00:00 2001
From: Andrey Borzenkov <arvidjaar@mail.ru>
Date: Wed, 13 Jan 2010 16:07:13 +0100
Subject: [PATCH] Add user suspend support

This patch adds support for user mode suspend to disk. It is installed
in parallel to kernel mode suspend module; either will fail if
system was not suspended using correct tool so next one can be tried.

Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
---
 dracut.spec                           |  1 +
 modules.d/95uswsusp/check             |  2 ++
 modules.d/95uswsusp/install           |  6 ++++++
 modules.d/95uswsusp/parse-uswsusp.sh  | 20 ++++++++++++++++++++
 modules.d/95uswsusp/resume-uswsusp.sh | 11 +++++++++++
 5 files changed, 40 insertions(+)
 create mode 100755 modules.d/95uswsusp/check
 create mode 100755 modules.d/95uswsusp/install
 create mode 100755 modules.d/95uswsusp/parse-uswsusp.sh
 create mode 100755 modules.d/95uswsusp/resume-uswsusp.sh

diff --git a/dracut.spec b/dracut.spec
index 326a3e7b..99446720 100644
--- a/dracut.spec
+++ b/dracut.spec
@@ -186,6 +186,7 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/dracut/modules.d/95znet
 %{_datadir}/dracut/modules.d/95terminfo
 %{_datadir}/dracut/modules.d/95udev-rules
+%{_datadir}/dracut/modules.d/95uswsusp
 %{_datadir}/dracut/modules.d/98syslog
 %{_datadir}/dracut/modules.d/99base
 %attr(0644,root,root) %ghost %config(missingok,noreplace) %{_localstatedir}/log/dracut.log
diff --git a/modules.d/95uswsusp/check b/modules.d/95uswsusp/check
new file mode 100755
index 00000000..ba954795
--- /dev/null
+++ b/modules.d/95uswsusp/check
@@ -0,0 +1,2 @@
+#!/bin/sh
+[ -x /usr/sbin/resume ]
diff --git a/modules.d/95uswsusp/install b/modules.d/95uswsusp/install
new file mode 100755
index 00000000..f8afe3ac
--- /dev/null
+++ b/modules.d/95uswsusp/install
@@ -0,0 +1,6 @@
+#!/bin/bash
+inst /usr/sbin/resume
+[ -f /etc/suspend.conf ] && inst /etc/suspend.conf
+
+inst_hook cmdline 10 "$moddir/parse-uswsusp.sh"
+inst_hook mount 10 "$moddir/resume-uswsusp.sh"
diff --git a/modules.d/95uswsusp/parse-uswsusp.sh b/modules.d/95uswsusp/parse-uswsusp.sh
new file mode 100755
index 00000000..7a0925f3
--- /dev/null
+++ b/modules.d/95uswsusp/parse-uswsusp.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+if resume=$(getarg resume=) && ! getarg noresume; then 
+    export resume
+else
+    unset resume
+fi
+
+case "$resume" in
+    LABEL=*)
+	resume="$(echo $resume | sed 's,/,\\x2f,g')"
+	resume="/dev/disk/by-label/${resume#LABEL=}" ;;
+    UUID=*)
+	resume="/dev/disk/by-uuid/${resume#UUID=}" ;;
+esac
+
+if splash=$(getarg splash=); then
+    export splash
+else
+    unset splash
+fi
diff --git a/modules.d/95uswsusp/resume-uswsusp.sh b/modules.d/95uswsusp/resume-uswsusp.sh
new file mode 100755
index 00000000..9b185671
--- /dev/null
+++ b/modules.d/95uswsusp/resume-uswsusp.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+case "$splash" in
+    quiet )
+	a_splash="-P splash=y"
+    ;;
+    * )
+	a_splash="-P splash=n"
+    ;;
+esac
+
+/usr/sbin/resume $a_splash "$resume"