Personal Computer World 2009 February/PCWFEB09.iso/Software/Linux/Kubuntu 8.10/kubuntu-8.10-desktop-i386.iso/casper/filesystem.squashfs/bin/partman

Text File | 2008-10-14 | 4KB | 201 lines

#!/bin/sh

. /lib/partman/lib/base.sh
. /lib/partman/lib/commit.sh

abort () {
    if [ -f /var/run/parted_server.pid ]; then
        stop_parted_server
    fi
    exit $1
}

# Implemented here instead of init.d because anna displays a progress bar
# which conflicts with the init.d progress bar
load_extra () {
    local auto memreq_lvm memreq_crypto

    if [ -f /var/lib/partman/loaded-extra ]; then
        return 0
    fi
    >/var/lib/partman/loaded-extra

    # Rough memory requirements in kB; could be made arch dependent
    memreq_lvm=7500
    memreq_crypto=11000    # 1MB more than limit in partman-crypto

    auto=""
    if [ -f /lib/partman/lib/auto-shared.sh ]; then
        auto=1
    fi

    # partman-lvm is loaded first, then partman-crypto
    if [ -f /lib/partman/lib/lvm-base.sh ]; then
        :
    elif [ $(memfree) -ge $memreq_lvm ]; then
        if [ "$auto" ]; then
            anna-install partman-auto-lvm
        else
            anna-install partman-lvm
        fi
    else
        logger -t partman "Insufficient free memory to load LVM support"
    fi
    if [ -f /lib/partman/lib/crypto-base.sh ]; then
        :
    elif [ $(memfree) -ge $memreq_crypto ]; then
        if [ "$auto" ]; then
            anna-install partman-auto-crypto
        else
            anna-install partman-crypto
        fi
    else
        logger -t partman "Insufficient free memory to load crypto support"
    fi
}

db_capb backup

###########################################################
# Compute some constants in order to make things faster.
###########################################################

# The width of partman/text/number.
# number_width is used only in visual.d/number
db_metaget partman/text/number description
RET=$(printf "$RET" '')
RET=$(stralign 50 "$RET" | sed 's/[^ ]//g')
number_width=$((2 + 50 - ${#RET}))
export number_width

# Detect if Debconf can escape strings
# non-empty means we can escape
can_escape=''
if type debconf-escape >/dev/null 2>&1; then
    db_capb backup
    for cap in $RET; do
        case $cap in
            escape)    can_escape=yes ;;
        esac
    done
fi
export can_escape

# The decimal separator (dot or comma)
#db_metaget partman/text/deci description
#deci="$RET"
# The comma has special meaning for debconf.  Lets force dot until we
# start using escaped strings.
deci='.'
export deci

# work around bug #243373
if [ "$TERM" = xterm ] || [ "$TERM" = bterm ]; then
    debconf_select_lead="$NBSP"
else
    debconf_select_lead="> "
fi
export debconf_select_lead

###########################################################


# Commented due to #240145
#if [ -e /var/lib/partman ]; then
#    rm -rf /var/lib/partman
#fi

mkdir -p /var/lib/partman

# Make sure all modules are available
# Should really be done whenever anna installs a kernel package
depmod -a

# Load additional components when sufficent memory is available
load_extra

while true; do
    initcount=$(ls /lib/partman/init.d/* | wc -l)
    db_progress START 0 $initcount partman/progress/init/title

    for s in /lib/partman/init.d/*; do
        if [ -x $s ]; then
            #logger -t partman "Running init.d/$s"

            base=$(basename $s | sed 's/[0-9]*//')
            # Not every init script has, or needs, its own progress
            # template. Add them to slow init scripts only.
            if ! db_progress INFO partman/progress/init/$base; then
                db_progress INFO partman/progress/init/fallback
            fi
            if ! $s; then
                db_progress STOP
                abort 10
            fi
        fi
        db_progress STEP 1
    done
    db_progress STOP

    while true; do
        for s in /lib/partman/display.d/*; do
            if [ -x $s ]; then
                #logger -t partman "Running display.d/$s"
                $s || {
                    exitcode=$?
                    if [ $exitcode -eq 255 ]; then
                        abort 10 # back up to main menu
                    elif [ $exitcode -ge 128 ] && [ $exitcode -lt 192 ]; then
                        abort $exitcode # killed by signal
                    elif [ $exitcode -ge 100 ]; then
                        break # successful partitioning
                    else
                        continue 2
                    fi
                }
            fi
        done

        for s in /lib/partman/check.d/*; do
            if [ -x $s ]; then
                #logger -t partman "Running check.d/$s"
                if ! $s; then
                    continue 2
                fi
            fi
        done
        if confirm_changes partman; then
            break
        fi
    done

    if [ "$PARTMAN_NO_COMMIT" ]; then
        exit 0
    fi

    for s in /lib/partman/commit.d/*; do
        if [ -x $s ]; then
            #logger -t partman "Running commit.d/$s"
            $s || continue 2
        fi
    done

    for s in /lib/partman/finish.d/*; do
        if [ -x $s ]; then
            #logger -t partman "Running finish.d/$s"
            $s || {
                exitcode=$?
                if [ "$exitcode" = 1 ]; then
                    continue 2
                else
                    abort $exitcode
                fi
            }
        fi
    done

    break
done

exit 0