From 5e289bc5956e6cb17da5add649325a4edb9fcd68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Wed, 12 Mar 2014 01:52:19 -0300
Subject: grub-1:2.02.beta2-2: fix 09_parabola to reduce issues with entries

---
 libre/grub/09_parabola | 49 +++++++++++++++++++++++++++++++++----------------
 1 file changed, 33 insertions(+), 16 deletions(-)

(limited to 'libre/grub/09_parabola')

diff --git a/libre/grub/09_parabola b/libre/grub/09_parabola
index 49cbad4ba..90a9062a3 100644
--- a/libre/grub/09_parabola
+++ b/libre/grub/09_parabola
@@ -2,8 +2,9 @@
 
 ##
 ## grub-mkconfig helper script specific to Parabola GNU/Linux-libre
-## Contributed by "Keshav Padram Amburay" <the ddoott ridikulus ddoott rat aatt geemmayil ddoott ccoomm>
+## Contributed by "Keshav Amburay" <the ddoott ridikulus ddoott rat aatt geemmayil ddoott ccoomm>
 ## Rebranded for Parabola by "André Silva" <emulatorman@parabola.nu>
+## Updated on 08 February 2014
 ##
 ## Script based on do_grub_config() function in Arch Archboot ISO Installer/Setup script 
 ## Some parts taken from /etc/grub.d/10_linux script shipped by GRUB(2) upstream
@@ -65,20 +66,29 @@ CLASS="--class parabola --class gnu-linux --class gnu --class os"
 [[ "${grub_file}" != "" ]] && _FUNC_GRUB_FILE_PRESENT
 
 BOOT_PART_FS_UUID="$(${grub_probe} --target="fs_uuid" "/boot" 2>/dev/null)"
-BOOT_PART_HINTS_STRING="$(${grub_probe} --target="hints_string" "/boot" 2>/dev/null)"
+BOOT_PART_HINTS_STRING="$(${grub_probe} --target="hints_string" "/boot" 2>/dev/null || true)"
 BOOT_PART_FS="$(${grub_probe} --target="fs" "/boot" 2>/dev/null)"
 
-ROOT_PART_FS_UUID="$(${grub_probe} --target="fs_uuid" "/" 2>/dev/null)"
-ROOT_PART_HINTS_STRING="$(${grub_probe} --target="hints_string" "/" 2>/dev/null)"
-ROOT_PART_FS="$(${grub_probe} --target="fs" "/" 2>/dev/null)"
-
-if [[ "${ROOT_PART_FS_UUID}" == "${BOOT_PART_FS_UUID}" ]]; then
-    SUBDIR="/boot"
-else
-    SUBDIR=""
-fi
+ROOT_PART_GRUB_DEVICE="$(${grub_probe} --target=device / || true)"
+ROOT_PART_FS="$(${grub_probe} --device ${ROOT_PART_GRUB_DEVICE} --target=fs 2> /dev/null || echo "unknown")"
 
 if [[ "${GRUB_LINUX_ROOT_DEVICE}" == "" ]]; then
+    
+    case "${ROOT_PART_FS}" in
+        btrfs)
+            rootsubvol="$(make_system_path_relative_to_its_root /)"
+            rootsubvol="${rootsubvol#/}"
+            if [[ "${rootsubvol}" != "" ]]; then
+                GRUB_LINUX_ROOT_DEVICE="subvol=${rootsubvol}"
+            fi
+        ;;
+        zfs)
+            rpool="$(${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true)"
+            bootfs="$(make_system_path_relative_to_its_root / | sed -e "s,@$,,")"
+            GRUB_LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
+        ;;
+    esac
+    
     if [[ "${GRUB_DEVICE_UUID}" == "" ]] || \
        [[ "${GRUB_DISABLE_LINUX_UUID}" == "true" ]] || \
        [[ ! -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ]] || \
@@ -95,6 +105,10 @@ for _KERNEL_ in ${list} ; do
     
     echo "Found linux image: ${_KERNEL_}" >&2
     
+    basename="$(basename "${_KERNEL_}")"
+    dirname="$(dirname "${_KERNEL_}")"
+    REAL_DIR="$(make_system_path_relative_to_its_root "${dirname}")"
+  
     _KERNEL_FILE_="$(echo ${_KERNEL_} | sed 's,/boot/,,g')"
     _KERNEL_PKG_="pkg-$(echo ${_KERNEL_FILE_} | sed 's,vmlinuz-,,g')"
     
@@ -107,6 +121,7 @@ for _KERNEL_ in ${list} ; do
 cat << EOF
 
 menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel" ${CLASS} {
+    $(save_default_entry)
     if [ x\$feature_all_video_module = xy ]; then
         insmod all_video
     fi
@@ -118,9 +133,9 @@ menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel" ${CLASS} {
         search --no-floppy --fs-uuid  --set=root ${BOOT_PART_FS_UUID}
     fi
     echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...'
-    linux ${SUBDIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
+    linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
     echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel initramfs ...'
-    initrd ${SUBDIR}/${_INITRAMFS_}
+    initrd ${REAL_DIR}/${_INITRAMFS_}
 }
 
 EOF
@@ -135,6 +150,7 @@ EOF
 cat << EOF
 
 menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (fallback initramfs)" ${CLASS} {
+    $(save_default_entry)
     if [ x\$feature_all_video_module = xy ]; then
         insmod all_video
     fi
@@ -146,9 +162,9 @@ menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (fallback initramfs)"
         search --no-floppy --fs-uuid  --set=root ${BOOT_PART_FS_UUID}
     fi
     echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...'
-    linux ${SUBDIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
+    linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
     echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel fallback initramfs ...'
-    initrd ${SUBDIR}/${_INITRAMFS_FALLBACK_}
+    initrd ${REAL_DIR}/${_INITRAMFS_FALLBACK_}
 }
 
 EOF
@@ -158,6 +174,7 @@ EOF
 cat << EOF
 
 menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (no initramfs)" ${CLASS} {
+    $(save_default_entry)
     if [ x\$feature_all_video_module = xy ]; then
         insmod all_video
     fi
@@ -169,7 +186,7 @@ menuentry "Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (no initramfs)" ${CLA
         search --no-floppy --fs-uuid  --set=root ${BOOT_PART_FS_UUID}
     fi
     echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...'
-    linux ${SUBDIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
+    linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
 }
 
 EOF
-- 
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