1 files changed, 62 insertions, 0 deletions

diff --git a/utils/nwztools/scripts/exec_file.sh b/utils/nwztools/scripts/exec_file.sh
new file mode 100644
index 0000000000..059014de2c
--- /dev/null
+++ b/utils/nwztools/scripts/exec_file.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+# The updater script on the NWZ has a major bug/feature:
+# it does NOT clear the update flag if the update scrit fails
+# thus causing a update/reboot loop and a bricked device
+# always clear to make sure we don't end up being screwed
+nvpflag fup 0xFFFFFFFF
+
+#
+# This script extracts the second file from the UPG to /tmp and runs it
+#
+
+
+# go to /tmp
+cd /tmp
+
+# get content partition path
+CONTENTS="/contents"
+CONTENTS_PART=`mount | grep contents | awk '{ print $1 }'`
+
+lcdmsg -c -f /usr/local/bin/font_08x12.bmp -l 0,3 "Contents partition:\n$CONTENTS_PART"
+
+# 2) We need to remount the contents partition in read-write mode be able to
+# write something on it
+lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,6 "Remount $CONTENTS rw"
+if ! mount -o remount,rw $CONTENTS_PART $CONTENTS
+then
+    lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,7 "ERROR: remount failed"
+    sleep 3
+    exit 0
+fi
+
+# get update filename
+_UPDATE_FN_=`nvpstr ufn`
+
+# extract second file
+fwpchk -f /contents/$_UPDATE_FN_.UPG -c -1 exec
+if [ "$?" != 0 ]; then
+    lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,7 "ERROR: no file to execute"
+    sleep 3
+    exit 0
+fi
+
+# make it executable
+chmod 755 exec
+if [ "$?" != 0 ]; then
+    lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,7 "ERROR: cannot make it executable"
+    sleep 3
+    exit 0
+fi
+
+# run it and redirect all outputs to exec.txt
+lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,7 "Running file..."
+/tmp/exec 2>&1 >$CONTENTS/exec.txt
+
+# 4) Success screen
+lcdmsg -f /usr/local/bin/font_08x12.bmp -l 0,15 "Rebooting in 3 seconds."
+sleep 3
+sync
+
+# finish
+exit 0