mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 14:11:36 +00:00
89 lines
2.7 KiB
Diff
89 lines
2.7 KiB
Diff
From 1895d10a7539d055a4e0206af1e7a9e5ea32a4f7 Mon Sep 17 00:00:00 2001
|
|
From: Juerg Haefliger <juerg.haefliger@hp.com>
|
|
Date: Wed, 25 Mar 2015 13:59:20 +0100
|
|
Subject: [PATCH] Support new sfdisk version 2.26
|
|
|
|
The sfdisk usage with version 2.26 changed. Specifically, the option
|
|
--show-pt-geometry and functionality for CHS have been removed.
|
|
Also, restoring a backup MBR now needs to be done using dd.
|
|
---
|
|
bin/growpart | 28 ++++++++++------------------
|
|
1 file changed, 10 insertions(+), 18 deletions(-)
|
|
|
|
diff --git a/bin/growpart b/bin/growpart
|
|
index 595c40b..d4c995b 100755
|
|
--- a/bin/growpart
|
|
+++ b/bin/growpart
|
|
@@ -28,7 +28,6 @@ PART=""
|
|
PT_UPDATE=false
|
|
DRY_RUN=0
|
|
|
|
-MBR_CHS=""
|
|
MBR_BACKUP=""
|
|
GPT_BACKUP=""
|
|
_capture=""
|
|
@@ -133,7 +132,8 @@ bad_Usage() {
|
|
}
|
|
|
|
mbr_restore() {
|
|
- sfdisk --no-reread "${DISK}" ${MBR_CHS} -I "${MBR_BACKUP}"
|
|
+ dd if="${MBR_BACKUP}-${DISK#/dev/}-0x00000000.bak" of="${DISK}" bs=1 \
|
|
+ conv=notrunc
|
|
}
|
|
|
|
sfdisk_worked_but_blkrrpart_failed() {
|
|
@@ -148,34 +148,26 @@ sfdisk_worked_but_blkrrpart_failed() {
|
|
|
|
mbr_resize() {
|
|
RESTORE_HUMAN="${TEMP_D}/recovery"
|
|
- MBR_BACKUP="${TEMP_D}/orig.save"
|
|
+ MBR_BACKUP="${TEMP_D}/backup"
|
|
|
|
local change_out=${TEMP_D}/change.out
|
|
local dump_out=${TEMP_D}/dump.out
|
|
local new_out=${TEMP_D}/new.out
|
|
local dump_mod=${TEMP_D}/dump.mod
|
|
- local tmp="${TEMP_D}/tmp.out"
|
|
- local err="${TEMP_D}/err.out"
|
|
|
|
- local _devc cyl _w1 heads _w2 sectors _w3 tot dpart
|
|
+ local tot dpart
|
|
local pt_start pt_size pt_end max_end new_size change_info
|
|
|
|
- # --show-pt-geometry outputs something like
|
|
- # /dev/sda: 164352 cylinders, 4 heads, 32 sectors/track
|
|
- rqe sfd_geom sfdisk "${DISK}" --show-pt-geometry >"${tmp}" &&
|
|
- read _devc cyl _w1 heads _w2 sectors _w3 <"${tmp}" &&
|
|
- MBR_CHS="-C ${cyl} -H ${heads} -S ${sectors}" ||
|
|
- fail "failed to get CHS from ${DISK}"
|
|
+ tot=$(sfdisk --list "${DISK}" | awk '{ print $(NF-1) ; exit }') ||
|
|
+ fail "failed to get total number of sectors from ${DISK}"
|
|
|
|
- tot=$((${cyl}*${heads}*${sectors}))
|
|
+ debug 1 "total number of sectors of ${DISK} is ${tot}"
|
|
|
|
- debug 1 "geometry is ${MBR_CHS}. total size=${tot}"
|
|
- rqe sfd_dump sfdisk ${MBR_CHS} --unit=S --dump "${DISK}" \
|
|
+ rqe sfd_dump sfdisk --dump "${DISK}" \
|
|
>"${dump_out}" ||
|
|
fail "failed to dump sfdisk info for ${DISK}"
|
|
-
|
|
{
|
|
- echo "## sfdisk ${MBR_CHS} --unit=S --dump ${DISK}"
|
|
+ echo "## sfdisk --dump ${DISK}"
|
|
cat "${dump_out}"
|
|
} >"${RESTORE_HUMAN}"
|
|
[ $? -eq 0 ] || fail "failed to save sfdisk -d output"
|
|
@@ -237,7 +229,7 @@ mbr_resize() {
|
|
exit 0
|
|
fi
|
|
|
|
- LANG=C sfdisk --no-reread "${DISK}" ${MBR_CHS} --force \
|
|
+ LANG=C sfdisk --no-reread "${DISK}" --force \
|
|
-O "${MBR_BACKUP}" <"${new_out}" >"${change_out}" 2>&1
|
|
ret=$?
|
|
[ $ret -eq 0 ] || RESTORE_FUNC="mbr_restore"
|
|
--
|
|
2.1.4
|
|
|