[PATCH] Fix grub.d/10_windows for Cygwin 1.7

[Christian Franke <Christian.Franke@t-online.de>]

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=== modified file 'ChangeLog'
--- ChangeLog	2010-05-05 19:19:55 +0000
+++ ChangeLog	2010-05-05 20:09:01 +0000
@@ -1,3 +1,9 @@
+2010-05-05  Christian Franke  <franke@computer.org>
+
+	* util/grub.d/10_windows.in: Use path names instead of
+	drive letters to prevent warning from Cygwin 1.7.
+	Add drivemap command to menuentry if needed.
+
 2010-05-05  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* video/readers/jpeg.c: Indented.

=== modified file 'util/grub.d/10_windows.in'
--- util/grub.d/10_windows.in	2009-11-20 08:41:20 +0000
+++ util/grub.d/10_windows.in	2010-05-05 12:22:43 +0000
@@ -28,8 +28,8 @@
 
 # Try C: even if current system is on other partition.
 case "$SYSTEMDRIVE" in
-  [Cc]:)     dirlist="C:"              ;;
-  [D-Zd-z]:) dirlist="C: $SYSTEMDRIVE" ;;
+  [Cc]:)     drives="C:"              ;;
+  [D-Zd-z]:) drives="C: $SYSTEMDRIVE" ;;
   *) exit 0 ;;
 esac
 
@@ -51,7 +51,13 @@
 }
 
 
-for dir in $dirlist ; do
+for drv in $drives ; do
+
+  # Convert to Cygwin path.
+  dir=`cygpath "$drv"`
+  test -n "$dir" || continue
+
+  needmap=
 
   # Check for Vista bootmgr.
   if [ -f "$dir"/bootmgr -a -f "$dir"/boot/bcd ] ; then
@@ -60,6 +66,7 @@
   # Check for NTLDR.
   elif [ -f "$dir"/ntldr -a -f "$dir"/ntdetect.com -a -f "$dir"/boot.ini ] ; then
     OS=`get_os_name_from_boot_ini "$dir"/boot.ini` || OS="Windows NT/2000/XP loader"
+    needmap=t
 
   else
     continue
@@ -68,14 +75,16 @@
   # Get boot /dev/ice.
   dev=`${grub_probe} -t device "$dir" 2>/dev/null` || continue
 
-  echo "Found $OS on $dir ($dev)" >&2
+  echo "Found $OS on $drv ($dev)" >&2
   cat << EOF
 menuentry "$OS" {
 EOF
 
   save_default_entry | sed -e 's,^,\t,'
   prepare_grub_to_access_device "$dev" | sed 's,^,\t,'
-
+  test -z "$needmap" || cat <<EOF
+	drivemap -s (hd0) \$root
+EOF
   cat << EOF
 	chainloader +1
 }