Debian jessie gummiboot multi esp patch

update-gummiboot-multiesp.diff

--- update-gummiboot	2014-07-21 20:38:50.000000000 +0900
+++ update-gummiboot.new	2015-02-01 16:10:59.329668858 +0900
@@ -29,14 +30,16 @@
 }
 
 install_kernel() {
-    install -D /boot/vmlinuz-$KERNEL $GUMMIBOOT_EFI/$MACHINE_ID/$KERNEL/linux
+    esp=$1
+    install -D /boot/vmlinuz-$KERNEL $esp/$MACHINE_ID/$KERNEL/linux
     if [ -e /boot/initrd.img-$KERNEL ]; then
-        install -D /boot/initrd.img-$KERNEL $GUMMIBOOT_EFI/$MACHINE_ID/$KERNEL/initrd
+        install -D /boot/initrd.img-$KERNEL $esp/$MACHINE_ID/$KERNEL/initrd
     fi
 }
 
 install_entry() {
-    dir="$GUMMIBOOT_EFI/loader/entries/"
+    esp=$1
+    dir="$esp/loader/entries/"
     entry="$dir/$MACHINE_ID-$KERNEL.conf"
     options="root=$GUMMIBOOT_ROOT $GUMMIBOOT_OPTIONS"
 
@@ -49,7 +52,7 @@
 options $options
 linux /$MACHINE_ID/$KERNEL/linux
 EOF
-    if [ -e $GUMMIBOOT_EFI/$MACHINE_ID/$KERNEL/initrd ]; then
+    if [ -e $esp/$MACHINE_ID/$KERNEL/initrd ]; then
         echo "initrd /$MACHINE_ID/$KERNEL/initrd" >> $entry
     fi
 }
@@ -70,15 +73,21 @@
         echo "    /etc/default/gummiboot" >&2
         exit 1
     fi
-    echo "Install $KERNEL to ESP" >&2
-    install_kernel
-    install_entry
+    IFS=':'
+    for esp in $GUMMIBOOT_EFI; do
+        echo "Install $KERNEL to $esp" >&2
+        install_kernel $esp
+        install_entry $esp
+    done
 }
 
 do_remove() {
-    echo "Remove $KERNEL from ESP" >&2
-    rm -r $GUMMIBOOT_EFI/$MACHINE_ID/$KERNEL/ || true
-    rm $GUMMIBOOT_EFI/loader/entries/$MACHINE_ID-$KERNEL.conf || true
+    IFS=':'
+    for esp in $GUMMIBOOT_EFI; do
+        echo "Remove $KERNEL from $esp" >&2
+        rm -r $esp/$MACHINE_ID/$KERNEL/ || true
+        rm $esp/loader/entries/$MACHINE_ID-$KERNEL.conf || true
+    done
 }
 
 if [ -e /boot/vmlinuz-$KERNEL ]; then