[Fedora-livecd-list] [PATCH] Fix partition number selection for MMC bus devices

[Frederick Grose]

>From Bug 587411 <https://bugzilla.redhat.com/show_bug.cgi?id=587411> -
livecd-iso-to-disk
--format fails with SD/MMC partitions:

Comment 10:
Support prefixed partition numbers


Partition numbers and any prefix is now detected with simpler code.

Review and testing requested..

      --Fred


----------------------------------------------------------------------

>From 2535f8a1c7a931ddbf06bcf9e74e7e943e592b43 Mon Sep 17 00:00:00 2001
From: Frederick Grose <fgr...@gmail.com>
Date: Tue, 23 Nov 2010 19:43:05 -0500
Subject: [PATCH] Fix partition number selection for MMC bus devices

Enable detection of partition number prefixes.
---
 tools/livecd-iso-to-disk.sh |   24 +++++++++++++++++-------
 1 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/tools/livecd-iso-to-disk.sh b/tools/livecd-iso-to-disk.sh
index caa7bde..ca28709 100755
--- a/tools/livecd-iso-to-disk.sh
+++ b/tools/livecd-iso-to-disk.sh
@@ -68,6 +68,13 @@ getdisk() {
     partnum=${p##$device}
 }

+getpartition() {
+    DEV=$1
+    pa=$( < /proc/partitions )
+    pa=${pa##*$DEV}
+    partnum=${pa%% *}
+}
+
 resetMBR() {
     if isdevloop "$DEV"; then
         return
@@ -166,11 +173,12 @@ createGPTLayout() {
     partinfo=$(LC_ALL=C /sbin/parted --script -m $device "unit b print"
|grep ^$device:)
     size=$(echo $partinfo |cut -d : -f 2 |sed -e 's/B$//')
     /sbin/parted --script $device unit b mkpart '"EFI System Partition"'
fat32 17408 $(($size - 17408)) set 1 boot on
-    USBDEV=${device}1
     # Sometimes automount can be _really_ annoying.
     echo "Waiting for devices to settle..."
     /sbin/udevadm settle
     sleep 5
+    getpartition ${device#/dev/}
+    USBDEV=${device}${partnum}
     umount $USBDEV &> /dev/null
     /sbin/mkdosfs -n LIVE $USBDEV
     USBLABEL="UUID=$(/sbin/blkid -s UUID -o value $USBDEV)"
@@ -188,15 +196,16 @@ createMSDOSLayout() {
     partinfo=$(LC_ALL=C /sbin/parted --script -m $device "unit b print"
|grep ^$device:)
     size=$(echo $partinfo |cut -d : -f 2 |sed -e 's/B$//')
     /sbin/parted --script $device unit b mkpart primary fat32 17408
$(($size - 17408)) set 1 boot on
-    if ! isdevloop "$DEV"; then
-        USBDEV=${device}1
-    else
-        USBDEV=${device}
-    fi
     # Sometimes automount can be _really_ annoying.
     echo "Waiting for devices to settle..."
     /sbin/udevadm settle
     sleep 5
+    if ! isdevloop "$DEV"; then
+        getpartition ${device#/dev/}
+        USBDEV=${device}${partnum}
+    else
+        USBDEV=${device}
+    fi
     umount $USBDEV &> /dev/null
     /sbin/mkdosfs -n LIVE $USBDEV
     USBLABEL="UUID=$(/sbin/blkid -s UUID -o value $USBDEV)"
@@ -214,11 +223,12 @@ createEXTFSLayout() {
     partinfo=$(LC_ALL=C /sbin/parted --script -m $device "unit b print"
|grep ^$device:)
     size=$(echo $partinfo |cut -d : -f 2 |sed -e 's/B$//')
     /sbin/parted --script $device unit b mkpart primary ext2 17408 $(($size
- 17408)) set 1 boot on
-    USBDEV=${device}1
     # Sometimes automount can be _really_ annoying.
     echo "Waiting for devices to settle..."
     /sbin/udevadm settle
     sleep 5
+    getpartition ${device#/dev/}
+    USBDEV=${device}${partnum}
     umount $USBDEV &> /dev/null
     /sbin/mkfs.ext4 -L LIVE $USBDEV
     USBLABEL="UUID=$(/sbin/blkid -s UUID -o value $USBDEV)"
-- 
1.7.3.2

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