[gnome-control-center] wacom: Add "update-from-gsd" target

[Bastien Nocera <hadess src gnome org>]

commit abbc0210e608356080d900afed23cde6620ed985
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Jan 25 19:11:52 2012 +0000

    wacom: Add "update-from-gsd" target
    
    To update common files from gnome-settings-daemon

 panels/wacom/Makefile.am        |    9 +++++++++
 panels/wacom/update-from-gsd.sh |   26 ++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/panels/wacom/Makefile.am b/panels/wacom/Makefile.am
index 660ba90..4e501e2 100644
--- a/panels/wacom/Makefile.am
+++ b/panels/wacom/Makefile.am
@@ -73,6 +73,15 @@ desktopdir = $(datadir)/applications
 desktop_in_files = gnome-wacom-panel.desktop.in
 desktop_DATA = $(desktop_in_files:.desktop.in=.desktop)
 
+WACOMDIR=$(top_srcdir)/../gnome-settings-daemon/plugins/wacom/
+WACOMFILES=gsd-wacom-device.c gsd-wacom-device.h
+COMMONDIR=$(top_srcdir)/../gnome-settings-daemon/plugins/common/
+COMMONFILES=gsd-wacom-device.c gsd-wacom-device.h
+update-from-gsd:
+	FILES="$(WACOMFILES)" DIR="$(WACOMDIR)" $(srcdir)/update-from-gsd.sh && changed=true ; \
+	FILES="$(COMMONFILES)" DIR="$(WACOMDIR)" $(srcdir)/update-from-gsd.sh && changed=true ; \
+	git commit -m "wacom: Update from gnome-settings-daemon" $(WACOMFILES) $(COMMONFILES)
+
 CLEANFILES = $(Desktop_in_files) $(desktop_DATA)
 EXTRA_DIST = $(ui_DATA) $(pixmap_DATA)
 
diff --git a/panels/wacom/update-from-gsd.sh b/panels/wacom/update-from-gsd.sh
new file mode 100755
index 0000000..6eccb4c
--- /dev/null
+++ b/panels/wacom/update-from-gsd.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+function die() {
+  echo $*
+  exit 1
+}
+
+if test -z "$DIR"; then
+   echo "Must set DIR"
+   exit 1
+fi
+
+if test -z "$FILES"; then
+   echo "Must set FILES"
+   exit 1
+fi
+
+for FILE in $FILES; do
+  if cmp -s $DIR/$FILE $FILE; then
+     echo "File $FILE is unchanged"
+  else
+     cp $DIR/$FILE $FILE || die "Could not move $DIR/$FILE to $FILE"
+     echo "Updated $FILE"
+     git add $FILE
+  fi
+done