install-sdm

#!/bin/bash
#
# V14.1
#
# install-sdm Run from the bash command line:
#
#    curl -L https://raw.githubusercontent.com/gitbls/sdm/master/install-sdm | bash
#
# $1: Release to install from (D:latest)
# $2: Target install directory (D:/usr/local/sdm)
# $3: Source GitHub repo (D:gitbls/sdm)
# $4: /path/to/local/sdm.tar.xz (D:"")
# ** To use any of these arguments you must download this script to your system
#    and start it from the command line:
#    e.g., bash$ install-sdm                               # Install latest release to /usr/local/sdm
#          bash$ install-sdm "" /home/$(whoami)/sdm        # Install latest release to /home/$(whoami)/sdm
#
# Any/all required packages are installed via apt
#

function errexit() {
    echo "$1"
    exit 1
}

function stripquotes() {
    #
    # Remove leading/trailing single and double quotes
    # If $2 != "" then quote $ character
    #
    local str="$1" qd="$2" snolq
    [[ "$qd" != "" ]] && [[ "$str" =~ "$" ]] && str=${str//$/\\$}    # Replace $ with \$
    str="${str%"${str##*[^[:blank:]]}"}"  # Del trailing spaces/tabs
    snolq="${str#\"}"         # Get string without open quote
    if [ "$snolq" != "$str" ] # if lq was there, then update string and also del close quote
    then
	str="$snolq"
	str="${str%\"}"
    fi
    snolq="${str#\'}"         # Get string without open quote
    if [ "$snolq" != "$str" ] # Ditto double quote comment
    then
	str="$snolq"
	str="${str%\'}"
    fi
    echo "$str"
}

function getosinfo() {
    #
    # extract an element from /etc/os-release
    #
    local item="$1" where="$2"
    str="$( { IFS="=" read id name ; echo $name ;} <<< $(grep ^$item= $where/etc/os-release))"
    echo $(stripquotes "$str")
}

#
# Check OS Distro and version
#
myscript="$0 $@"
[ "$(type -p apt)" == "" ] && errexit "? apt not found; cannot use this script to install sdm on this system"
#
# Create directories and download sdm
#
[ "$1" == "" ] && release="latest" || release="$1"
[ "$2" != "" ] && dir="$2" || dir="/usr/local/sdm"
[ "$3" != "" ] && repo="$3" || repo="gitbls/sdm"
[ "$4" != "" ] && tarball="$4" || tarball=""

[ "$1" == "help" ] && echo $"install-sdm help:
$0 release-name install-directory repo-name saved-local-tarball
  release-name: Release to install (D:latest)
  install-directory: Target install directory (D:/usr/local/sdm)
  repo-name: Source GitHub repo (D:gitbls/sdm)
  saved-local-tarball: /path/to/local/sdm.tar.xz (D:"")" && exit
sudo=""
if [ -d $dir ]
then
    [ ! -w $dir ] && sudo="sudo"      # Directory exists; do we have write access?
else
    [ ! -w ${dir%/*} ] && sudo="sudo" # Directory does not exist; do we have write access to where it will be created?
fi

if [ "$(type -p curl)" == "" ]
then
    echo "* Install curl"
    $sudo apt-get install --yes --no-install-recommends curl
fi

echo "* Make sdm install directory '$dir'"
$sudo mkdir -p $dir/{1piboot,plugins,local-plugins}

#v="--verbose" # list files as they're extracted
if [ "$tarball" == "" ]
then
    [ "$release" == "latest" ] && src="https://github.com/$repo/releases/latest/download/sdm.tar.xz" || src="https://github.com/$repo/releases/download/$release/sdm.tar.xz"
    echo "* Download sdm tarball from '$src' and install in '$dir'"
    curl --fail --silent --show-error -L $src | $sudo tar --extract --xz $v --file - --overwrite -C $dir || errexit "? Error ($?) downloading/untarring the sdm tarball"
else
    echo "* Install sdm from tarball '$tarball' to '$dir'"
    $sudo tar --extract --xz $v --file $tarball --overwrite -C $dir || errexit "? Error ($?) untarring sdm tarball '$tarball'"
fi

[ compgen "$dir/sdm.version-*" > /dev/null 2>&1 ] && rm -f $dir/sdm.version-*

etc="/etc"

if [ "$dir" == "/usr/local/sdm" ]
then
    echo "* Create link for sdm: /usr/local/bin/sdm"
    [ -L /usr/local/bin/sdm ] && $sudo rm -f /usr/local/bin/sdm
    $sudo ln -s /usr/local/sdm/sdm /usr/local/bin/sdm
    [ -d /etc/bash_completion.d ] && $sudo cp /usr/local/sdm/completion.sdm /etc/bash_completion.d/sdm
fi

$sudo chmod -R 755 $dir/*
$sudo chmod 644 $dir/{sdm-apps-example,sdm-xapps-example} $dir/1piboot/1piboot.conf
$sudo mkdir -p $etc/sdm/{0piboot,1piboot,xpiboot,zzpiboot,assets,local-assets}
$sudo chmod 700 $etc/sdm
$sudo touch $etc/sdm/history
$sudo rm -f $etc/sdm/sdm-readparams
$sudo cp -a $dir/sdm-readparams $etc/sdm
if [ "$($sudo bash -c '[ -f $etc/sdm/cparams ] || echo "no"')" == "no" ]
then
    myuser=$(whoami)
    hostname=$(hostname)
    raspiosver="$(getosinfo VERSION_ID $SDMPT)"
    cat <<EOF | $sudo tee $etc/sdm/cparams >/dev/null
# Written by install-sdm $(date +'%Y-%m-%d %H:%M:%S')
version:"V12.6"
thishost:""
aptcache:""
aptdistupgrade:""
autologin:"0"
fbatch:"0"
b0script:""
b1script:""
bootscripts:"0"
burnplugins:""
cscript:""
csrc:""
datefmt:"%Y-%m-%d %H:%M:%S"
debugs:""
dimg:""
dimgdev:"0"
dimgdevname:""
domain:""
ecolors:"blue:gray:red"
expandroot:""
exports:""
fchroot:"0"
fdirtree:"0"
fnoexpandroot:"0"
hname:""
hostname:"$hostname"
loadlocal:""
logwidth:"192"
dgroups:"dialout,cdrom,floppy,audio,video,plugdev,users,adm,sudo,users,input,netdev,spi,i2c,gpio"
myuser:"$myuser"
nowaittimesync:"0"
os:""
pi1bootconf:""
plugindebug:"0"
poptions:""
raspiosver:"$raspiosver"
reboot:""
fredact:"0"
regensshkeys:""
noreboot:"0"
rebootwait:"20"
redocustomize:"0"
sdmdir:"$dir"
sdmflist:"sdm sdm-phase0 sdm-phase1 sdm-cparse sdm-readparams sdm-cmdsubs sdm-firstboot sdm-apt sdm-apt-cacher sdm-cportal sdm-logmsg sdm-gburn"
showapt:"0"
src:"$dir"
swapsize:"0"
timezone:""
virtmode:"nspawn"
vqemu:""
custom1:""
custom2:""
custom3:""
custom4:""
plugins:""
allplugins:""
EOF
else
    echo "* $etc/sdm/cparams exists; Not overwriting"
fi
[[ $EUID -ne 0 ]] && sudo="sudo"
echo "* Update apt"
$sudo apt update
pkgs="binfmt-support coreutils file fdisk gdisk keyboard-configuration parted qemu-user-static rsync systemd-container usbutils uuid"
echo "* Ensure required packages are installed: $pkgs"
echo "> Install any needed packages"
$sudo apt-get install --yes --no-install-recommends $pkgs

echo ""
if [ "$dir" == "/usr/local/sdm" -a "$(type -p sdm)" != "" ]
then
    echo "* Invoke sdm with 'sdm'"
else
    echo "* Invoke sdm with '$dir/sdm'"
    echo "* You can make an ease-of-use link with: sudo ln -s $dir/sdm /usr/local/bin/sdm"
    echo "    (or anywhere else in your PATH)"
    echo "  so you can invoke sdm with 'sdm'"
fi

echo $"
  sdm documentation: https://github.com/$repo/tree/master/Docs

"