diff options
Diffstat (limited to 'prebuilt/sdparted')
| -rw-r--r-- | prebuilt/sdparted | 658 |
1 files changed, 658 insertions, 0 deletions
diff --git a/prebuilt/sdparted b/prebuilt/sdparted new file mode 100644 index 000000000..730d5dc34 --- /dev/null +++ b/prebuilt/sdparted @@ -0,0 +1,658 @@ +#!/sbin/sh + +# do logging, if not excluded with -x +LOGFILE="/data/sdparted.log" +[ "$1" != "-x" ] && echo "$0" "$@" >> "$LOGFILE" && "$0" -x "$@" 2>&1 | tee -a "$LOGFILE" && exit +shift + +ShowError() { echo ; echo " err: $1" ; echo ; exit 1 ; } + +ShowMessage() { echo ; echo " msg: $1" ; } + +ShowHelp() { + +cat <<DONEHELP + +$SCRIPTNAME v$SCRIPTREV created by $MYNAME + +if you use this script in your work, please give some credit. thanks. + +requirements: cm-recovery-v1.4 + +usage: $SCRIPTNAME [options] + + +options: + + --fatsize|-fs SIZE[MG] set the size of the fat32 partition to <SIZE>. + default=total sdcard size - (ext + swap) + + --extsize|-es SIZE[MG] set the size of the ext partition to <SIZE>. + default=$EXTSIZE + + --swapsize|-ss SIZE[MG] set the size of the swap partition to <SIZE>. + if set to 0, no swap partition will be created. + default=$SWAPSIZE + + --extfs|-efs TYPE set the filesystem of ext partition to <TYPE>. + valid types=ext2, ext3, ext4 + default=$EXTFS + + + --upgradefs|-ufs TYPE upgrades existing ext partition to <TYPE>. + this operation will NOT wipe your sdcard and + cannot be used with any partition creation options. + valid types=ext3, ext4 + + --downgradefs|-dfs TYPE downgrades existing ext partition to <TYPE>. + this operation will NOT wipe your sdcard and + cannot be used with any partition creation options. + valid types=ext2 + + + --interactive|-i interactive mode + + --help|-h display this help + + --printonly|-po display sdcard information + + --silent|-s do not prompt user, not even initial warning. + + +examples: + $SCRIPTNAME creates swap=$SWAPSIZE ext2=$EXTSIZE fat32=remaining free space + $SCRIPTNAME -efs ext4 creates swap=$SWAPSIZE ext4=$EXTSIZE fat32=remaining free space + $SCRIPTNAME -fs 1.5G -efs ext3 creates swap=$SWAPSIZE ext3=$EXTSIZE fat32=1536 + $SCRIPTNAME -es 256M -ss 0 creates no swap ext2=256 fat32=remaining free space + $SCRIPTNAME -ufs ext4 upgrades ext partition to ext4 + +DONEHELP + +} + +UserAbort() { + + WHILEEXIT= + + while [ -z "$WHILEEXIT" ] + do + echo -n "do you want to continue? (Y/n) " + read response + echo + [ "$response" = "Y" ] || [ "$response" = "n" ] || [ "$response" = "N" ] && WHILEEXIT="$response" + done + + echo "$response" > /dev/null 2>&1 >>"$LOGFILE" + + [ "$response" != "Y" ] + +} + +UnmountAll () { + + # unmount all partitions so we can work with $SDPATH + # i'm assuming no more than 3 partitions + # maybe make a little more elegant later + echo -n "unmounting all partitions..." + umount "$FATPATH" > /dev/null 2>&1 >>"$LOGFILE" + umount "$EXTPATH" > /dev/null 2>&1 >>"$LOGFILE" + umount "$SWAPPATH" > /dev/null 2>&1 >>"$LOGFILE" + echo "done" + echo + +} + + +CheckReqs() { + + echo -n "checking script requirements..." + # check for valid sdcard + [ -e $SDPATH ] || ShowError "$SDPATH does not exist!" + + # look for necessary programs + [ -e $CMPARTED ] || ShowError "$CMPARTED does not exist!" + [ -e $CMTUNE2FS ] || ShowError "$CMTUNE2FS does not exist!" + [ -e $CME2FSCK ] || ShowError "$CME2FSCK does not exist!" + + # verify cm-v1.4 + PARTEDREV=`"$CMPARTED" "$SDPATH" version | grep Parted | cut -d" " -f3` + [ "$PARTEDREV" == "1.8.8.1.179-aef3" ] || ShowError "you are not using parted v1.8.8.1.179-aef3!" + echo "done" + echo + +} + +CheckTableType() { + + TABLETYPE=`"$CMPARTED" "$SDPATH" print | grep Table: | cut -d" " -f3` + + [ "$TABLETYPE" == "loop" -o "$TABLETYPE" == "msdos" ] && TTISOK=1 || TTISOK=0 + [ "$TABLETYPE" == "loop" ] && TTISLOOP=1 || TTISLOOP=0 + [ "$TABLETYPE" == "msdos" ] && TTISMSDOS=1 || TTISMOSDOS=0 + +} + +ValidateExtArg() { + + FUNC_RET="nonzero" + + # validating argument + [ "$1" != "ext2" ] && [ "$1" != "ext3" ] && [ "$1" != "ext4" ] && FUNC_RET= + + [ -z "$FUNC_RET" ] && [ -z "$IMODE" ] && ShowError "$1 is not a valid filesystem." + [ -z "$FUNC_RET" ] && [ -n "$IMODE" ] && ShowMessage "$1 is not a valid filesystem." + + # return valid argument + [ -n "$FUNC_RET" ] && FUNC_RET="$1" + +} + +ValidateSizeArg() { + + # check for zero-length arg to protect expr length + [ -z "$1" ] && ShowError "zero-length argument passed to size-validator" + + SIZEMB= + ARGLEN=`expr length $1` + SIZELEN=$(($ARGLEN-1)) + SIZEARG=`expr substr $1 1 $SIZELEN` + SIZEUNIT=`expr substr $1 $ARGLEN 1` + + # check if SIZEARG is an integer + if [ $SIZEARG -eq $SIZEARG 2> /dev/null ] ; then + # look for G + [ "$SIZEUNIT" == "G" ] && SIZEMB=$(($SIZEARG * 1024)) + # look for M + [ "$SIZEUNIT" == "M" ] && SIZEMB=$SIZEARG + # no units on arg AND prevents using bogus size units + [ -z "$SIZEMB" ] && [ $SIZEUNIT -eq $SIZEUNIT 2> /dev/null ] && SIZEMB=$1 + # check if SIZEARG is a floating point number, GB only + elif [ `expr index "$SIZEARG" .` != 0 ] && [ "$SIZEUNIT" == "G" ] ; then + INT=`echo "$SIZEARG" | cut -d"." -f1` + FRAC=`echo "$SIZEARG" | cut -d"." -f2` + SIGDIGITS=`expr length $FRAC` + + [ -z "$INT" ] && INT=0 + INTMB=$(($INT * 1024)) + FRACMB=$((($FRAC * 1024) / (10**$SIGDIGITS))) + SIZEMB=$(($INTMB + $FRACMB)) + # it's not a valid size + else + [ -z "$IMODE" ] && ShowError "$1 is not a valid size" + fi + + [ -z "$SIZEMB" ] && [ -n "$IMODE" ] && ShowMessage "$1 is not a valid size" + + # return valid argument in MB + FUNC_RET=$SIZEMB + +} + +CalculatePartitions() { + + # get size of sdcard in MB & do some math + SDSIZEMB=`"$CMPARTED" "$SDPATH" unit MB print | grep $SDPATH | cut -d" " -f3` + SDSIZE=${SDSIZEMB%MB} + [ -n "$FATSIZE" ] || FATSIZE=$(($SDSIZE - $EXTSIZE - $SWAPSIZE)) + EXTEND=$(($FATSIZE + $EXTSIZE)) + SWAPEND=$(($EXTEND + $SWAPSIZE)) + + # check for fatsize of 0 + [ $FATSIZE -le 0 ] && ShowError "must have a fat32 partition greater than 0MB" + + # check for zero-length sdsize... + # indicative of parted not reporting length + # correctly b/c of error on sdcard + [ -z "$SDSIZE" ] && ShowError "zero-length argument passed to partition-calculator" + + # make sure we're not being asked to do the impossible + [ $(($FATSIZE + $EXTSIZE + $SWAPSIZE)) -gt $SDSIZE ] && [ -z "$IMODE" ] && ShowError "sum of requested partitions is greater than sdcard size" + +} + + +UpgradeDowngradeOnly() { + + if [ -n "$UEXTFSONLY" ] ; then + echo + [ -n "$CREATEPART" ] && ShowError "cannot use upgrade option when creating partitions, use -efs instead" + [ -n "$DEXTFSONLY" ] && ShowError "cannot upgrade AND downgrade, it just doesn't make sense" + echo "you have chosen to upgrade $EXTPATH to $UEXTFSONLY." + echo "this action will NOT delete any data from sdcard." + echo + [ -z "$SILENTRUN" ] && UserAbort && ShowError "script canceled by user" + echo + UpgradeExt "$UEXTFSONLY" + ShowCardInfo + elif [ -n "$DEXTFSONLY" ] ; then + echo + [ -n "$CREATEPART" ] && ShowError "cannot use downgrade option when creating partitions." + [ -n "$UEXTFSONLY" ] && ShowError "cannot downgrade AND upgrade, it just doesn't make sense." + echo "you have chosen to downgrade $EXTPATH to $DEXTFSONLY." + echo "this action will NOT delete any data from sdcard." + echo + [ -z "$SILENTRUN" ] && UserAbort && ShowError "script canceled by user" + echo + DowngradeExt "$DEXTFSONLY" + ShowCardInfo + fi + +} + +PrepareSdCard() { + + echo + if [ $TTISOK -eq 0 ] ; then + echo "partition 1 may not be aligned to cylinder boundaries." + echo "to continue, this must be corrected." + elif [ $TTISLOOP -gt 0 ] ; then + echo "your sdcard's partition table type is $TABLETYPE." + echo "to continue, partition table must be set to 'msdos'." + elif [ $TTISMSDOS -gt 0 ] ; then + # just a reminder..in a later version, + # i may implement resizing of partitions, + # so this will be unnecessary. but until then... + echo "to continue, all existing partitions must be removed." + else + # this is not good, and should never happen + # if it does, there is a serious problem + ShowError "sdcard failed table type check." + fi + + echo + echo "this action will remove all data from your sdcard." + echo + [ -z "$SILENTRUN" ] && UserAbort && ShowError "script canceled by user" + + [ $TTISOK -eq 0 ] && echo -n "correcting cylinder boundaries..." + [ $TTISLOOP -gt 0 ] && echo -n "setting partition table to msdos..." + [ $TTISMSDOS -gt 0 ] && echo -n "removing all partitions..." + + "$CMPARTED" -s "$SDPATH" mklabel msdos 2>&1 >>"$LOGFILE" + echo "done" + echo + +} + +ShowActions() { + + echo + echo "total size of sdcard=$SDSIZEMB" + echo + echo "the following actions will be performed:" + echo " -create $FATSIZE""MB fat32 partition" + [ $EXTSIZE -gt 0 ] && echo " -create $EXTSIZE""MB ext2 partition" + [ $SWAPSIZE -gt 0 ] && echo " -create $SWAPSIZE""MB swap partition" + [ "$EXTFS" != "ext2" ] && echo " -ext2 partition will be upgraded to $EXTFS" + echo + [ -z "$SILENTRUN" ] && UserAbort && ShowError "script canceled by user" + echo + +} + +ShowCardInfo() { + + echo "sddevice located in /sdcard/sddev.log" + echo $SDPATH > /sdcard/sddev.log + + CheckTableType + + echo + echo "retrieving current sdcard information..." + + if [ $TTISOK -gt 0 ] ; then + echo + parted "$SDPATH" print + echo + echo "script log is located @ /data/sdparted.log" + exit 0 + else + echo + echo "partition 1 may not be aligned to cylinder boundaries." + ShowError "cannot complete print operation." + fi + echo + +} + + +PartitionSdCard() { + + echo "performing selected actions..." + echo + + if [ $FATSIZE -gt 0 ] ; then + echo -n "creating fat32 partition..." + "$CMPARTED" -s "$SDPATH" mkpartfs primary fat32 0 "$FATSIZE"MB 2>&1 >>"$LOGFILE" + echo "done" + fi + + if [ $EXTSIZE -gt 0 ] ; then + echo -n "creating ext2 partition..." + "$CMPARTED" -s "$SDPATH" mkpartfs primary ext2 "$FATSIZE"MB "$EXTEND"MB 2>&1 >>"$LOGFILE" + "$CMTUNE2FS" -L sd-ext "$EXTPATH" 2>&1 >>"$LOGFILE" + echo "done" + fi + + if [ $SWAPSIZE -gt 0 ] ; then + echo -n "creating swap partition..." + "$CMPARTED" -s "$SDPATH" mkpartfs primary linux-swap "$EXTEND"MB "$SWAPEND"MB 2>&1 >>"$LOGFILE" + echo "done" + fi + echo + +} + +UpgradeExt() { + + # check for no upgrade + [ "$1" == "ext2" ] && return + # check for ext partition + [ ! -e "$EXTPATH" ] && ShowError "$EXTPATH does not exist" + + # have to use -m switch for this check b/c parted incorrectly + # reports all ext partitions as ext2 when running print <number> + CHECKEXTFS=`"$CMPARTED" -m "$SDPATH" print | grep ext | cut -d":" -f5` + [ "$CHECKEXTFS" == "$1" ] && ShowError "$EXTPATH is already $1" + + # grabbed the code bits for ext3 from upgrade_fs(credit:cyanogen) + # check for ext2...must upgrade to ext3 first b4 ext4 + if [ "$1" == "ext3" -o "$1" == "ext4" ] ; then + echo -n "adding journaling to $EXTPATH..." + umount /system/sd > /dev/null 2>&1 >>"$LOGFILE" + "$CME2FSCK" -p "$EXTPATH" 2>&1 >>"$LOGFILE" + "$CMTUNE2FS" -c0 -i0 -j "$EXTPATH" 2>&1 >>"$LOGFILE" + echo "done" + fi + + # and got convert to ext4 from xda-forum(credit:Denkai) + if [ "$1" == "ext4" ] ; then + echo -n "converting $EXTPATH to ext4 filesystem..." + umount /system/sd > /dev/null 2>&1 >>"$LOGFILE" + "$CMTUNE2FS" -O extents,uninit_bg,dir_index "$EXTPATH" 2>&1 >>"$LOGFILE" + "$CME2FSCK" -fpDC0 "$EXTPATH" 2>&1 >>"$LOGFILE" + echo "done" + fi + echo + +} + +DowngradeExt() { + + # check for ext partition + [ ! -e "$EXTPATH" ] && ShowError "$EXTPATH does not exist" + + # have to use print for this check b/c parted incorrectly + # reports all ext partitions as ext2 when running print <number> + CHECKEXTFS=`"$CMPARTED" -m "$SDPATH" print | grep ext | cut -d":" -f5` + [ "$CHECKEXTFS" == "$1" ] && ShowError "$EXTPATH is already $1" + + if [ "$CHECKEXTFS" == "ext4" -o "$1" == "ext3" ] ; then + # interweb says downgrading from ext4 is not possible + # without a backup/restore procedure. + # if i figure it out, i'll implement it. + ShowError "downgrading from ext4 is not currently supported" + fi + + if [ "$1" == "ext2" ] ; then + echo -n "removing journaling from $EXTPATH..." + umount /system/sd > /dev/null 2>&1 >>"$LOGFILE" + "$CMTUNE2FS" -O ^has_journal "$EXTPATH" 2>&1 >>"$LOGFILE" + "$CME2FSCK" -fp "$EXTPATH" 2>&1 >>"$LOGFILE" + echo "done" + fi + echo + +} + + +Interactive() { + +cat <<DONEINSTRUCT + +sdparted interactive mode + +rules: +1. no answer means you accept default value +2. enter '0' for no partition + +DONEINSTRUCT + + UserAbort && ShowError "script canceled by user" + + CalculatePartitions + + GetSwapSize + + FATSIZE= + + CalculatePartitions + + GetExtSize + + GetExtType + + FATSIZE= + + CalculatePartitions + + GetFatSize + +} + +GetSwapSize() { + + SWAPTEST= + + while [ -z "$SWAPTEST" ] + do + echo + echo -n "swap partition size [default=$SWAPSIZE]: " + read SWAPRESP + + [ -z "$SWAPRESP" ] && SWAPRESP="$SWAPSIZE" + echo "$SWAPRESP" > /dev/null 2>&1 >>"$LOGFILE" + + ValidateSizeArg "$SWAPRESP" + SWAPTEST="$FUNC_RET" + [ -n "$SWAPTEST" ] && [ $SWAPTEST -gt $SDSIZE ] && ShowMessage "$SWAPRESP > available space($(($SDSIZE))M)." && SWAPTEST= + done + + SWAPSIZE=$SWAPTEST + +} + +GetExtSize() { + + EXTTEST= + + while [ -z "$EXTTEST" ] + do + echo + echo -n "ext partition size [default=$EXTSIZE]: " + read EXTRESP + + [ -z "$EXTRESP" ] && EXTRESP="$EXTSIZE" + echo "$EXTRESP" > /dev/null 2>&1 >>"$LOGFILE" + + ValidateSizeArg "$EXTRESP" + EXTTEST="$FUNC_RET" + + [ -n "$EXTTEST" ] && [ $EXTTEST -gt $(($SDSIZE - $SWAPSIZE)) ] && ShowMessage "$EXTRESP > available space($(($SDSIZE - $SWAPSIZE))M)." && EXTTEST= + done + + EXTSIZE=$EXTTEST + +} + +GetExtType() { + + FSTEST= + + while [ -z "$FSTEST" ] + do + echo + echo -n "ext partition type [default=$EXTFS]: " + read FSRESP + + [ -z "$FSRESP" ] && FSRESP="$EXTFS" + echo "$FSRESP" > /dev/null 2>&1 >>"$LOGFILE" + + ValidateExtArg "$FSRESP" + FSTEST="$FUNC_RET" + done + + EXTFS="$FSTEST" + +} + +GetFatSize() { + + FATTEST= + + while [ -z "$FATTEST" ] + do + echo + echo -n "fat partition size [default=$FATSIZE]: " + read FATRESP + + [ -z "$FATRESP" ] && FATRESP="$FATSIZE" + echo "$FATRESP" > /dev/null 2>&1 >>"$LOGFILE" + + ValidateSizeArg "$FATRESP" + FATTEST="$FUNC_RET" + + [ -n "$FATTEST" ] && [ $FATTEST -gt $FATSIZE ] && ShowMessage "$FATRESP > available space($(($SDSIZE - $SWAPSIZE - $EXTSIZE))M)." && FATTEST= + [ -n "$FATTEST" ] && [ $FATTEST -le 0 ] && ShowMessage "must have a fat32 partition greater than 0MB" && FATTEST= + done + + FATSIZE=$FATTEST + +} + + +SCRIPTNAME="sdparted" +SCRIPTREV="0.6" +MYNAME="51dusty" + +IMODE= +SILENTRUN= +CREATEPART= +FUNC_RET= + +UEXTFSONLY= +DEXTFSONLY= + +TTISOK= +TTISLOOP= +TTISMSDOS= + +SDSIZE= +SDSIZEMB= +SDINFO=$(cat /etc/fstab | grep /sdcard | awk '{print $1}') +if [ -L "$SDINFO" ] +then + SDPATH=$(ls -l $SDINFO | awk '{print $11}') +else + SDPATH=$SDINFO +fi +# we may now have an SDPATH, let's make sure its on mmcblkX or mmcblkXp1 +CHECK_SDPATH1=$(echo $SDPATH | grep mmcblk.$) +CHECK_SDPATH2=$(echo $SDPATH | grep mmcblk.p1$) +if [ -z "$CHECK_SDPATH1" ] +then + if [ -z "$CHECK_SDPATH2" ] + then + echo fail1 + unset SDPATH + else + LEN=${#SDPATH} + BLKLEN=$(expr $LEN - 2) + SDPATH=${SDPATH:0:$BLKLEN} + fi +fi + + +FATSIZE= +FATTYPE="fat32" +FATPATH=$SDPATH"p1" + +EXTSIZE=512 +EXTFS="ext2" +EXTPATH=$SDPATH"p2" +EXTEND= + +SWAPSIZE=32 +SWAPTYPE="linux-swap" +SWAPPATH=$SDPATH"p3" +SWAPEND= + +CMPARTED="/sbin/parted" +CMTUNE2FS="/sbin/tune2fs" +CME2FSCK="/sbin/e2fsck" + +# give the output some breathing room +echo "$SCRIPTREV" >> "$LOGFILE" +echo + +# check for arguments +while [ $# -gt 0 ] ; do + case "$1" in + + -h|--help) ShowHelp ; exit 0 ;; + + -fs|--fatsize) shift ; ValidateSizeArg "$1" ; FATSIZE="$FUNC_RET" ; CREATEPART="$1" ;; + -es|--extsize) shift ; ValidateSizeArg "$1" ; EXTSIZE="$FUNC_RET" ; CREATEPART="$1" ;; + -ss|--swapsize) shift ; ValidateSizeArg "$1" ; SWAPSIZE="$FUNC_RET" ; CREATEPART="$1" ;; + -efs|--extfs) shift ; ValidateExtArg "$1" ; EXTFS="$FUNC_RET" ; CREATEPART="$1" ;; + + -ufs|--upgradefs) shift ; ValidateExtArg "$1" ; UEXTFSONLY="$FUNC_RET" ;; + -dfs|--downgradefs) shift ; ValidateExtArg "$1" ; DEXTFSONLY="$FUNC_RET" ;; + + -i|--interactive) IMODE="$1" ;; + + -s|--silent) SILENTRUN="$1" ;; + + -po|--printonly) ShowCardInfo ;; + + *) ShowHelp ; ShowError "unknown argument '$1'" ;; + + esac + shift +done + +# can't do silent when in interactive mode +[ -n "$IMODE" ] && SILENTRUN= + +# make sure sdcard exists and all needed files are here +CheckReqs + +# unmount all +UnmountAll + +# upgrade only? downgrade only? +UpgradeDowngradeOnly + +# check table +CheckTableType + +# prep card +PrepareSdCard + +# check for interactive mode +[ -n "$IMODE" ] && Interactive + +# do some math +CalculatePartitions + +# last chance to cancel +ShowActions + +# partition card +PartitionSdCard + +# upgrade fs if necessary +UpgradeExt "$EXTFS" + +# say goodbye and show print output +ShowCardInfo |