ix4-300d boot script

init-opt.sh

#!/bin/sh
# IX4-300D startup and optware-ng init script

# Set path for additional files use USB or HDD
# If USB then specify UUID of USB drive
files=HDD
UUID="1827a6c8-c9a7-442c-adda-34806977c107"

# Wait until storage pool is mounted
while [ ! "$(ls -a /mnt/pools/A/A0/ 2>/dev/null)" ]; do sleep 2; done
echo "$files" >/mnt/pools/A/A0/.optsrc

# Wait for external usb if selected as data drive
[ "$files" = "USB" ] && while [ ! "$(blkid | grep "$UUID")" ]; do sleep 2; done

# Assign variables and define functions
[ "$files" = "USB" ] && OPT=$(mount | grep "$(blkid | grep "$UUID" | awk -F ':' '{print $1}') on /mnt" | awk '{print $3}' | grep -v '/opt')
[ "$files" = "HDD" ] && { OPT="/mnt/pools/A/A0/opt"; mkdir -p "$OPT"; }
#HOME="$OPT/home/$USER"
HOME="/opt/home/$USER"
PROFILE="/opt/etc/profile"
v_gt() { [ "$(echo -e "$1\n$2" | sort -V | head -n 1)" != "$1" ] && echo "1"; }
log() { echo "$(date) : $1" >>"/mnt/pools/A/A0/init-opt.log"; }

log "Starting init-opt.sh with $files as optware source at $OPT."
# Setup folders and mounts
for DIR in "apps" "bin" "sbin" "etc" "var" "lib" "usr" "var" "include" "tmp" "home" "share" "opt" "ipkg" \
    "arm-buildroot-linux-uclibcgnueabi" "libexec" "local" "info" "doc" "docs" "man"; do
    [ ! -d "$OPT/$DIR" ] && { mkdir -p "$OPT/$DIR"; log "Created $OPT/$DIR."; }
    [ -L "/opt/$DIR" ] && rm "/opt/$DIR"
    [ ! -L "/opt/$DIR" ] && { ln -s "$OPT/$DIR" "/opt/$DIR"; log "Linking $OPT/$DIR to /opt/$DIR."; }
    # Dunno why, but bind mounted folders gave problems when installing some ipkg modules so
    # symlinked all folders instead. 'ipkg install git' is an example.
    #[ ! -d "/opt/$DIR" ] && mkdir -p "/opt/$DIR"
    #[ ! "$(mount | grep " on /opt/$DIR ")" ] && mount --bind "$OPT/$DIR" "/opt/$DIR"
    if [ ! -d "$OPT/$DIR" ] && [ ! -L "/opt/$DIR" ]; then echo "Something went wrong with $DIR."; fi 
    done

for DIR in "usr/bin" "usr/sbin" "var/log" "var/tmp" "var/lock" "share/terminfo"; do
    mkdir -p "$OPT/$DIR"
    done

# Use storage pool for /var/tmp to prevent running out of space
[ ! -d "/mnt/pools/A/A0/tmp" ] && mkdir -p "/mnt/pools/A/A0/tmp"
mount --bind "/mnt/pools/A/A0/tmp" "/var/tmp"
log "Mountpoints complete."

# Use storage pool for /opt/apps to prevent running out of space
[ ! -d "$OPT/apps" ] && mkdir -p "$OPT/apps"
#mount --bind "$OPT/apps" "/opt/apps"
rm -Rf /opt/apps
ln -s "$OPT/apps" "/opt/apps"

# Setup home folder
CURR_HOME="$(cat /etc/passwd | grep $USER | awk -F ':' '{print $6}')"
if [ ! "$CURR_HOME" = "$HOME" ]; then
    awk -v u="$USER" -v h="$HOME" 'BEGIN{FS=OFS=":"}$1==u{$6=h}1' "/etc/passwd" > "/etc/passwd.tmp"
    cat "/etc/passwd.tmp" > "/etc/passwd"; rm "/etc/passwd.tmp"
    fi
mkdir -p "$HOME"
[ ! -f "$HOME/.profile" ] && echo -e '#!/bin/sh\n. /opt/etc/profile' >"$HOME/.profile"
[ ! "$(cat $HOME/.profile | grep '. /opt/etc/profile')" ] && echo '. /opt/etc/profile' >>"$HOME/.profile"
awk '!a[$0]++' "$HOME/.profile" >"$HOME/.profile.tmp"; mv -f "$HOME/.profile.tmp" "$HOME/.profile"
chmod +x "$HOME/.profile"
log "Home folder complete."

# Install optware-ng if missing
if [ ! -f "/opt/bin/ipkg" ]; then
    # rm -r arm-buildroot-linux-uclibcgnueabi bin etc doc docs include info ipkg lib libexec local man opt sbin share ssl tmp usr var
    log "Installing optware-ng."
    feed="http://ipkg.nslu2-linux.org/optware-ng/buildroot-armeabi-ng"
    ipk_name="$(wget -qO- $feed/Packages | awk '/^Filename: ipkg-static/ {print $2}')"
    wget -qO "/tmp/$ipk_name" "$feed/$ipk_name"
    tar -C /tmp -xzf "/tmp/$ipk_name" "./data.tar.gz"; tar -C /tmp -xzf "/tmp/data.tar.gz"; cp -r /tmp/opt/* $OPT/
    rm -f "/tmp/$ipk_name" "/tmp/data.tar.gz"; rm -rf "/tmp/opt"
    echo "src/gz optware-ng $feed" > "/opt/etc/ipkg.conf";  echo "dest /opt/ /" >> "/opt/etc/ipkg.conf"
    mv "/opt/bin/ipkg" "/opt/bin/ipkgbin"
    echo -e '#!/bin/sh\n/opt/bin/ipkgbin -t /opt/tmp -force-space $@' >"/opt/bin/ipkg"
    chmod +x "/opt/bin/ipkg"
    /opt/bin/ipkg update >/dev/null
    log "Optware-ng is installed."
    fi
# The default /opt/etc/profile script is base64 encoded below.
# If you mess up /opt/etc/profile just delete it and reboot to restore it.
# Ideally all your modifications to paths etc should go in ~/.profile.
# Some packages install the optware version of bash which overwrites
# /opt/etc/profile.

#begin_profile
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#end_profile
[ ! -f "$PROFILE" ] && { echo "$profile" | base64 -d >"$PROFILE"; chmod +x "$PROFILE"; }
# Now we source ~/.profile to setup paths
. "$HOME/.profile"

# Configure nano settings
if [ ! -f "$HOME/.nanorc" ]; then
    nanov="$(nano -V | head -1 | awk '{print $4}')" # Get nano version number
    if [ "$(v_gt $nanov 2.7.0)" =  "1" ]; then echo 'set linenumbers' >>"$HOME/.nanorc"; fi # Add line numbers
    if [ "$(v_gt $nanov 2.2.6)" =  "1" ]; then echo 'set constantshow' >>"$HOME/.nanorc"; else echo 'set const' >>"$HOME/.nanorc"; fi
    awk '!a[$0]++' "$HOME/.nanorc" >"$HOME/.nanorc.tmp"; mv -f "$HOME/.nanorc.tmp" "$HOME/.nanorc"
    fi

# Set endless loop. If this script ends or exits without a reboot
# and it has been started from /usr/local/cfg/sohoProcs.xml, you
# could trash your system and lose all data. Nice one Lenovo!
# Visit https://mega.nz/#F!b9N2XQzZ!hdhSgCK0VQlPbYpyOXTmYA to
# download a usb flashable firmware should you bork your NAS. You
# cannot get one or any support from the Lenovo dinlos.
echo "Type ctrl-c to continue."
log "init-opt.sh completed, script sleeping"
while [ "1" ]; do sleep 360d; done
reboot
exit