digital-cinema-tools-setup

#!/usr/bin/env bash
set -e
setup_version='v1.2014.12.16'
#
# Usage:
#
#   * Ubuntu / Debian / Mint / Raspbian / openSuSE: Run
#       wget http://git.io/digital-cinema-tools-setup && bash digital-cinema-tools-setup
#     in a terminal
#
#   * Fedora: Run
#       curl -sLO http://git.io/digital-cinema-tools-setup && bash digital-cinema-tools-setup
#     in a terminal
#
#   * For updates or re-runs run
#       digital-cinema-tools-setup
#     in a terminal
#
# This setup script will install everything required (batteries included) to run
#
#   * dcp_inspect:  Inspect and validate digital cinema packages (DCPs)
#                   See https://github.com/wolfgangw/backports#readme
#
#   * cinemaslides: Build plaintext/encrypted digital cinema packages (DCPs)
#                   and generate key delivery messages (KDMs)
#                   See https://github.com/wolfgangw/digital_cinema_tools/wiki/Cinemaslides
#
# and a number of other digital cinema-related tools:
#
#   * db_adjust_for_dolby_fader_ref.rb: Calculate adjustments for Dolby CP650/750 7.0 setting
#   * dc_crypto_context.rb:             Check certificate chains for digital cinema compliance
#   * kdm-decrypt.rb:                   Decrypt Interop/SMPTE KDMs
#   * make-dc-certificate-chain.rb:     Generate an example digital cinema compliant certificate chain
#   * public_key_thumbprint.rb:         Compute dnQualifier/public key thumbprint of a X.509 certificate
#   * signature_check.rb:               Check XML signatures of DCP infrastructure documents
#   * x509_extract.rb:                  Extract X.509 certificates from digital cinema documents
#   * x509_inspect.rb:                  Inspect X.509 certificates
#   * xsd-check.rb:                     Validate XML documents against Schema definitions
#
# This installer supports Debian / Ubuntu / Fedora / openSUSE systems
# Needs a working network connection
#
# It tries hard not to break anything and to respect the existing environment.
# You can run it multiple times, should anything go wrong during a setup run (network problems etc.)
#
# Wolfgang Woehl 2012-2013
#
#
# Location of self
#
setup_dirname=$( cd "$(dirname "${BASH_SOURCE[0]}")" && pwd )
setup_basename=$(basename ${BASH_SOURCE[0]})
setup_fullpath="$setup_dirname/$setup_basename"
echo "$setup_basename $setup_version"

bashrc=$HOME/.bashrc
bash_profile=$HOME/.bash_profile
inputrc=$HOME/.inputrc
script_runner=$(whoami)

basedir=$HOME/.digital_cinema_tools
libdir=$basedir/.lib
bindir=$basedir/.bin

# Ruby version management: rbenv
rbenv_url="git://github.com/sstephenson/rbenv.git"
export RBENV_ROOT=$libdir/.rbenv
rbenv_dir=$RBENV_ROOT
rbenv_plugins_dir=$rbenv_dir/plugins

# Ruby build system: ruby-build
rubybuild_url="git://github.com/sstephenson/ruby-build.git"
rubybuild_dir=$rbenv_plugins_dir/ruby-build
ruby_version='2.1.5'
gemrc=$HOME/.gemrc

# JPEG2000 codec: OpenJPEG
# http://openjpeg.googlecode.com/files/openjpeg-1.5.0.tar.gz (SHA1 dce705ae45f137e4698a8cf39d1fbf22bc434fa8)
# http://openjpeg.googlecode.com/files/openjpeg-2.0.0.tar.gz (SHA1 0af78ab2283b43421458f80373422d8029a9f7a7)
opj_googlecode='openjpeg.googlecode.com'
openjpeg_version='1.5.0'
openjpeg_tarball="openjpeg-$openjpeg_version.tar.gz"
openjpeg_tarball_url="http://$opj_googlecode/files/$openjpeg_tarball"
openjpeg_dir=$libdir/openjpeg
openjpeg_build_dir="$openjpeg_dir/openjpeg-$openjpeg_version"
openjpeg_install_dir=$bindir/openjpeg

# Handle SMPTE and Interop trackfiles: ASDCPLib
cinecert='download.cinecert.com/asdcplib'
asdcplib_version='1.12.58'
asdcplib_version_tarball_md5='95f3aa8712a7590fccff60f026659dbe'
asdcplib_tarball="asdcplib-$asdcplib_version.tar.gz"
asdcplib_tarball_url="http://$cinecert/$asdcplib_tarball"
asdcplib_dir=$libdir/asdcplib
asdcplib_build_dir="$asdcplib_dir/asdcplib-$asdcplib_version"
asdcplib_install_dir=$bindir/asdcplib

# Digital cinema tools distribution: cinemaslides, dcp_inspect etc.
dist_url="git://github.com/wolfgangw/digital_cinema_tools_distribution.git"
dist_dir=$libdir/digital_cinema_tools_distribution

errors=()
exec_shell_required=false

command_exists() {
  type "$1" &> /dev/null
}

location_exists() {
  [ -e "$1" ]
}

string_includes() {
  [[ "$1" =~ "$2" ]]
}

echo_last() {
  local arr=("${!1}")
  echo ${arr[${#arr[@]}-1]}
}

remove_if_exists() {
  if location_exists $1
  then
    rm -rf $1
  fi
}

location_is_git_repo() {
  location_exists "$1" && location_exists "$1/.git" && [ -d "$1/.git" ]
}


# Only linux systems in mind for now
if [[ ! $MACHTYPE = *linux* ]]
then
  echo "This installer supports only linux systems"
  exit 1
fi


# Check and bail out if the installer is run with root privileges
if [ $script_runner == "root" ]
then
  echo
  echo 'Do not run this installer as root'
  echo 'Do not run this installer via sudo'
  echo 'This installer will ask for privileges if and when required'
  echo
  echo 'That said:'
  echo
  echo 'If you know exactly why you would want to'
  echo "continue as root -- usually you don't want to --"
  read -p 'then type root and press [ENTER]: ' run_as_root_confirm
  if ! [ "$run_as_root_confirm" == "root" ]
  then
    exit 1
  fi
  echo 'Continuing as root ...'
  sleep 3
fi


#
# Which OS distribution are we on?
#
# Who'da thunk it that figuring out OS would be so messy:
#
#   - Fedora has lsb_release and *-release files pre-installed,
#   - Ubuntu doesn't have lsb_release initially, has os-release and lsb-release
#   - openSuSE has os-release, SuSE-release and lsb_release
#   - Debian 6.0.4 has lsb_release but no *-release files
#   - Mint 15 has lsb_release and lsb-release
#   - Raspbian (Debian 7) has os-release and no lsb*
#
if [ -f /etc/os-release ] && grep -P 'Debian' /etc/os-release &> /dev/null
then
  os_dist=debian
elif [ -f /etc/fedora-release ]
then
  os_dist=redhat
elif [ -f /etc/redhat-release ]
then
  os_dist=redhat
elif [ -f /etc/SuSE-release ]
then
  os_dist=opensuse
elif [ -f /etc/lsb-release ] && grep -P 'Ubuntu' /etc/lsb-release &> /dev/null
then
  os_dist=ubuntu
elif [ -f /etc/lsb-release ] && grep -P 'LinuxMint' /etc/lsb-release &> /dev/null
then
  os_dist=ubuntu
elif command_exists lsb_release
then
  # do the debian thing here lsb_release -a, -i, -r ...
  if [[ "$(lsb_release --id)" =~ Debian ]]
  then
    os_dist=debian
  fi
fi


# Bail out if non-supported OS distribution
if ! [ -z $os_dist ]
then
  echo "OS: $os_dist"
else
  echo 'OS not supported'
  exit 1
fi


# Bail out if we don't have sudo
if command_exists sudo
then
  case $os_dist in
    debian)
      if echo `groups` | grep sudo &>/dev/null
      then
        echo "$os_dist: sudo OK"
      else
        echo "$os_dist: sudo: Need to be member of the sudo group."
        echo
        echo 'Run the following 3 commands:'
        echo
        echo "su -                  # will prompt for your root password"
        echo "adduser `whoami` sudo # Adds you to the sudo group"
        echo 'exit                  # exits from root account'
        echo
        echo 'Then log out or reboot'
        echo 'Then re-run digital-cinema-tools-setup'
        echo
        exit 1
      fi
  esac
else
  echo 'Required command "sudo" not found. Please install sudo'
  exit 1
fi

# Depending on which OS we're on set the required packager and switches
# to install a basic set of packages from distribution sources
case $os_dist in
  debian|ubuntu)
    query='dpkg-query'
    query_params='-s'
    packager='apt-get'
    packager_params='-y install'
    # build-essential odd ..
    packages_required=( build-essential curl libxslt1-dev libxml2-dev libexpat1-dev xmlsec1 libreadline-dev zlib1g zlib1g-dev libssl-dev imagemagick mplayer sox git-core libtiff4-dev libpng12-dev )
    packager_prep="$packager update"
    ;;
  redhat)
    query='rpm'
    query_params='--query'
    packager='yum'
    packager_params='-y install'
    packages_required=( make automake gcc gcc-c++ wget libxslt-devel expat-devel xmlsec1 xmlsec1-openssl readline-devel zlib-devel openssl-devel ImageMagick mplayer sox git libtiff-devel libpng-devel )
    ;;
  opensuse)
    query='zypper'
    query_params='--no-refresh se -i'
    packager='zypper'
    packager_params='--gpg-auto-import-keys --non-interactive install'
    packages_required=( make automake gcc gcc-c++ libxslt-devel libexpat-devel libxmlsec1-openssl-devel xmlsec1 readline-devel zlib-devel openssl-devel ImageMagick mplayer sox git libtiff-devel libpng12-devel )
esac


# Check for the presence of required basic distribution packages
if command_exists $query && command_exists $packager
then
  packages_missing=()
  for package in ${packages_required[@]}
  do
    if $query $query_params $package &> /dev/null
    then
      echo "$package: OK"
    else
      echo "$package: Installation required"
      packages_missing+=($package)
    fi
  done
  if [ ${#packages_missing[@]} -gt 0 ]
  then
    echo
    echo "$setup_basename: ${#packages_missing[@]} packages missing"
    echo "$setup_basename: ${packages_missing[@]}"
    echo
    case $os_dist in
      debian|ubuntu)
        echo "Please enter your password" ;;
      redhat|opensuse)
        echo 'Please enter your root password' ;;
    esac

    # Some distributions need extra repositories
    case $os_dist in
      redhat)
        # Special case Fedora/MPlayer: Provided by RPMFusion repository. Add the repo
        # See repo keys and fingerprints on http://rpmfusion.org/keys
        repo_rpmfusion_free='http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm'
        repo_rpmfusion_nonfree='http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm'
        if ! sudo $packager -y localinstall $repo_rpmfusion_free $repo_rpmfusion_nonfree
        then
          errors+=("$os_dist: Failed to add RPMFusion repositories (required for mplayer)") && echo_last errors[@]
        else
          echo "$os_dist: RPMFusion repositories (required for mplayer) OK"
        fi
        ;;
      opensuse)
        # openSuSE seems to be a special case in its entirety:
        # In a default installation there is no access to any "devel" packages
        # and crucial stuff lives on packman. Go figure.
        if command_exists lsb_release
        then
          os_info_blob_thank_you_very_much=`lsb_release -a`
        elif [ -f /etc/SuSE-release ]
        then
          os_info_blob_thank_you_very_much=`cat /etc/SuSE-release`
        elif [ -f /etc/os-release ]
        then
          os_info_blob_thank_you_very_much=`cat /etc/os-release`
        fi
        case $os_info_blob_thank_you_very_much in
          *11.4*)
            os_dist_version='11.4'
            ;;
          *12.1*)
            os_dist_version='12.1'
            ;;
          *)
            echo 'Sorry, openSuSE 12.1 and 11.4 support only for now'
            exit 1
            ;;
        esac
        repo_packman="http://packman.inode.at/suse/openSUSE_$os_dist_version"
        if ! sudo $packager ar -f -n packman $repo_packman packman && $packager refresh
        then
          errors+=("$os_dist $os_dist_version: Failed to add Packman repositories") && echo_last errors[@]
        else
          echo "$os_dist $os_dist_version: Packman repositories OK"
        fi
    esac

    # Install packages
    if ! [ -z "$packager_prep" ]
    then
      if ! sudo $packager_prep
      then
        errors+=("$setup_basename: Failed to prepare package installation") && echo_last errors[@]
      else
        echo "$setup_basename: Package preparation OK"
      fi
    fi
    if ! sudo $packager $packager_params "${packages_missing[@]}"
    then
      errors+=("$packager: Failed to install basic requirements") && echo_last errors[@]
      sudo -K # drop sudo privileges
      exit 1
    else
      echo "$packager: OK"
    fi
    sudo -K
  fi
else
  errors+=("$setup_basename: Required packager tools not found: $query/$packager. Exiting") && echo_last errors[@]
  exit 1
fi


# Set up directories for digital cinema tools
if ! location_exists $basedir ; then mkdir $basedir ; fi
if ! location_exists $libdir ; then mkdir $libdir ; fi
if ! location_exists $bindir ; then mkdir $bindir ; fi


# Source .bash_profile from .bashrc
if grep -P '^(source|\.) .*/.bash_profile' $bashrc
then
  echo 'bashrc: OK'
else
  # Fedora sources ~/.bashrc from ~/.bash_profile so we loop source if we add the following
  if [ $os_dist = 'ubuntu' -o $os_dist = 'debian' ]
  then
    echo "$setup_basename: Source ~/.bash_profile from ~/.bashrc"
    echo '' >> $bashrc
    echo "# $setup_basename: Use .bash_profile to read rbenv environment" >> $bashrc
    echo 'source $HOME/.bash_profile' >> $bashrc
    if ! [ -f $bash_profile ]
    then
      touch $bash_profile
      echo 'bash_profile: Touched'
    fi
    exec_shell_required=true
  fi
fi


# Check for ~/bin and inclusion in PATH
if string_includes $PATH "$bindir"
then
  echo "PATH: $bindir available in PATH"
else
  if grep -P "export PATH=$bindir:" $bashrc $bash_profile
  then
    echo "bashrc: $bindir already included. OK"
  else
    echo "bashrc: Adding $bindir to PATH"
    echo '' >> $bashrc
    echo "# $setup_basename: Add $bindir to PATH" >> $bashrc
    echo "export PATH=$bindir:"'$PATH' >> $bashrc
  fi
  exec_shell_required=true
fi

source $bashrc


# rbenv
if command_exists rvm
then
  echo
  echo "Sorry. This installer insists on using rbenv for Ruby version management."
  echo "You have RVM installed and those 2 won't co-exist peacefully, so there."
  echo "If you want to continue remove RVM from your system and re-run this installer."
  echo
  exit 1
fi
if command_exists rbenv
then
  echo "rbenv: OK"
else
  if location_exists $rbenv_dir && location_exists $rbenv_dir/.git
  then
    echo "rbenv: Repository exists"
    if string_includes $PATH "$rbenv_dir/bin"
    then
      echo "rbenv: PATH includes rbenv bin dir"
    else
      errors+=("rbenv: PATH does not include rbenv bin dir") && echo_last errors[@]
    fi
  else
    echo "rbenv: Installing"
    remove_if_exists $rbenv_dir
    if ! git clone $rbenv_url $rbenv_dir
    then
      errors+=("rbenv: Failed to clone repository. Try again later") && echo_last errors[@]
    fi

    case $os_dist in
      debian|ubuntu)
        env_target=$bash_profile ;;
      redhat|opensuse)
        env_target=$bashrc ;;
    esac
    echo '' >> $env_target
    echo "# $setup_basename: rbenv environment" >> $env_target
    echo "export RBENV_ROOT=$rbenv_dir" >> $env_target
    echo "export PATH=$rbenv_dir/bin:"'$PATH' >> $env_target
    echo 'eval "$(rbenv init -)"' >> $env_target
    source $env_target
    exec_shell_required=true

    if command_exists rbenv
    then
      echo "rbenv: OK"
    else
      echo "rbenv: Command 'rbenv' not found"
      exit 1
    fi
  fi
fi


# gems: ri/rdoc switches
if [ -e $gemrc ]
then
  if grep -P '^gem: --no-ri --no-rdoc' $gemrc
  then
    echo 'gemrc: OK'
  else
    echo 'gemrc: Keeping changed gemrc (--no-ri/rdoc switches will not be added)'
  fi
else
  echo 'gem: --no-ri --no-rdoc' > $gemrc
fi


# ruby-build (as rbenv plugin)
if location_exists $rbenv_dir
then
  if ! location_exists $rbenv_plugins_dir
  then
    mkdir $rbenv_plugins_dir
  fi
else
  mkdir -p $rbenv_plugins_dir
fi
cd $rbenv_plugins_dir
if location_is_git_repo $rubybuild_dir
then
  cd $rubybuild_dir
  if ! git pull
  then
    errors+=("ruby-build: Failed to pull updates. Try again later") && echo_last errors[@]
  else
    echo 'ruby-build: OK'
  fi
else
  remove_if_exists $rubybuild_dir
  echo 'ruby-build: Installing'
  if ! git clone $rubybuild_url
  then
    errors+=("ruby-build: Failed to clone repository. Try again later") && echo_last errors[@]
  else
    echo 'ruby-build: OK'
  fi
fi


# Try to install a ruby version
# Explicitly set global $ruby_version
if command_exists rbenv
then
  if ! rbenv global $ruby_version
  then
    echo 'rbenv: Required ruby not installed'
  fi
  if [[ `rbenv version` =~ $ruby_version ]] && command_exists ruby
  then
    echo "Ruby: OK"
  else
    echo "Ruby: Installing ... This will take a while (~5 minutes)"
    if ! rbenv install $ruby_version
    then
      errors+=("Ruby: Failed to install requested version") && echo_last errors[@]
    else
      rbenv global $ruby_version
      rbenv rehash
      echo "Ruby: $( rbenv version )"
      echo 'Ruby: OK'
    fi
  fi
else
  errors+=("Ruby: Failed to install ruby (Required command rbenv not found)") && echo_last errors[@]
fi


# Nokogiri (with c14n)
if command_exists gem
then
  if gem list -i nokogiri &> /dev/null
  then
    echo 'Nokogiri: Found installed gem'
  else
    # Install Nokogiri gem
    if ! gem install nokogiri
    then
      errors+=("Nokogiri: Failed to install rtequired gem nokogiri") && echo_last errors[@]
    else
      rbenv rehash
      echo 'Nokogiri: Installed gem nokogiri'
    fi
  fi

  # Check for C14N support
  if gem list -i nokogiri &> /dev/null
  then
    if [[ `rbenv version` =~ $ruby_version ]] && command_exists ruby
    then
      ruby -e "require 'rubygems'; require 'nokogiri'; if Nokogiri::XML::Document.new.respond_to?( 'canonicalize' ) then exit 0 else exit 1 ; end"
      if [ $? == 0 ]
      then
        nokogiri_c14n=true
        echo 'Nokogiri: C14N support present'
      else
        nokogiri_c14n=false
        errors+=("Nokogiri: Installed version does not support C14N") && echo_last errors[@]
      fi
    else
      errors+=("Nokogiri: Could not test Nokogiri C14N support (Required ruby version not found)") && echo_last errors[@]
    fi
    if $nokogiri_c14n
    then
      echo 'Nokogiri: OK'
    else
      errors+=("Nokogiri: There is a problem with the installed version of Nokogiri. Consider removing your installed version of Nokogiri and re-run this installer") && echo_last errors[@]
    fi
  fi

else
  errors+=("Nokogiri: Failed to install Nokogiri (Required command gem not found)") && echo_last errors[@]
fi # Nokogiri


# openjpeg
cd $libdir
if command_exists image_to_j2k
then
  echo 'openjpeg: OK'
else
  echo 'openjpeg: Installing ...'
  if location_exists $openjpeg_dir
  then
    cd $openjpeg_dir
  else
    mkdir $openjpeg_dir && cd $openjpeg_dir
  fi

  remove_if_exists $openjpeg_build_dir
  if [ -e $openjpeg_tarball ]
  then
    echo "openjpeg: Tarball exists"
  else
    echo "openjpeg: Downloading tarball $openjpeg_tarball_url"
    if wget $openjpeg_tarball_url
    then
      echo "openjpeg: Download OK"
    else
      if ! ping -c 1 $opj_googlecode
      then
        errors+=("openjpeg: $opj_googlecode seems to be down") && echo_last errors[@]
      fi
      errors+=("openjpeg: Failed to download tarball. Try again later") && echo_last errors[@]
    fi
  fi
  if tar xzf $openjpeg_tarball
  then
    cd $openjpeg_build_dir
    if ./configure --disable-doc --prefix=$openjpeg_install_dir && make -j3 && make install
    then
      opj_build=ok
      echo "openjpeg: Build OK"
    else
      opj_build=fail
      errors+=("openjpeg: Failed to configure, build and install") && echo_last errors[@]
    fi
  else
    opj_build=fail
    errors+=("Failed to extract tarball at $openjpeg_dir") && echo_last errors[@]
  fi
fi
if [ "$opj_build" = 'ok' ]
then
  cd $bindir
  for tool in $openjpeg_install_dir/bin/*
  do
    if [ -e $bindir/$(basename ${tool}) ]
    then
      echo "openjpeg: $(basename ${tool}) OK"
    else
      echo "openjpeg: Add to $bindir: $(basename ${tool})"
      ln -s $tool .
    fi
  done # openjpeg
fi


# asdcplib
cd $libdir
if command_exists asdcp-info && [[ `asdcp-info -V` =~ $asdcplib_version ]]
then
  echo "asdcplib: OK ($asdcplib_version)"
else
  echo "asdcplib: Installing $asdcplib_version ..."
  if location_exists $asdcplib_dir
  then
    cd $asdcplib_dir
  else
    mkdir $asdcplib_dir && cd $asdcplib_dir
  fi

  remove_if_exists $asdcplib_build_dir
  if [ -e $asdcplib_tarball ] && [[ $( md5sum $asdcplib_tarball | cut -d ' ' -f 1 ) =~ $asdcplib_version_tarball_md5 ]]
  then
    echo "asdcplib: $asdcplib_version_tarball_md5: MD5 OK"
  else
    if [ -e $asdcplib_tarball ]
    then
      rm $asdcplib_tarball
    fi
    echo "asdcplib: Downloading tarball $asdcplib_tarball_url"
    if wget $asdcplib_tarball_url
    then
      echo 'asdcplib: Download OK'
      if [ -e $asdcplib_tarball ] && [[ $( md5sum $asdcplib_tarball | cut -d ' ' -f 1 ) =~ $asdcplib_version_tarball_md5 ]]
      then
        echo "asdcplib: $asdcplib_version_tarball_md5: MD5 OK"
      else
        errors+=("asdcplib: Failed to verify tarball: $asdcplib_dir/$asdcplib_tarball") && echo_last errors[@]
      fi
    else
      if ! ping -c 1 $cinecert
      then
        errors+=("asdcplib: $cinecert seems to be down") && echo_last errors[@]
      fi
      errors+=("asdcplib: Failed to download tarball. Try again later") && echo_last errors[@]
    fi
  fi
  if tar xzf $asdcplib_tarball
  then
    cd $asdcplib_build_dir
    case $os_dist in
      ubuntu)
        export LDFLAGS="-L/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)" ;;
      redhat)
        export LDFLAGS='' ;;
    esac
    # See gcc.gnu.org/gcc-4.7/changes.html (Section C++ bullet "G++ now correctly implements the two-phase lookup rules ...")
    # The suggested workaround is using the -fpermissive compiler flag which will allow the code to compile with a warning.
    if ./configure --with-expat=yes LIBS="-lexpat" --prefix=$asdcplib_install_dir CXXFLAGS="-fpermissive" && make -j3 && make install
    then
      asdcplib_build=ok
      echo 'asdcplib: Build OK'
    else
      asdcplib_build=fail
      errors+=("asdcplib: Failed to configure, build and install") && echo_last errors[@]
    fi
  else
    asdcplib_build=fail
    errors+=("asdcplib: Failed to extract tarball at $asdcplib_dir") && echo_last errors[@]
  fi
fi
if [ "$asdcplib_build" = 'ok' ]
then
  cd $bindir
  for tool in $asdcplib_install_dir/bin/*
  do
    if [ -e $bindir/$(basename ${tool}) ]
    then
      rm $bindir/$(basename ${tool})
      echo "asdcplib: Updating $(basename ${tool})"
      ln -s $tool .
    else
      echo "asdcplib: Add to $bindir: $(basename ${tool})"
      ln -s $tool .
    fi
  done # asdcplib
fi


# Digital Cinema Tools distribution
cd $libdir
if location_is_git_repo $dist_dir
then
  cd $dist_dir
  echo "Digital cinema tools distribution: Pulling updates ..."
  if ! git pull
  then
    errors+=("Digital cinema tools distribution: Failed to pull updates. Try again later") && echo_last errors[@]
  fi
else
  remove_if_exists $dist_dir
  if ! git clone $dist_url
  then
    errors+=("Digital cinema tools distribution: Failed to clone repository. Try again later") && echo_last errors[@]
  else
    echo 'Digital cinema tools distribution: Repository OK'
  fi
fi
# Update $bindir entries for distribution
if location_exists $dist_dir
then
  cd $dist_dir
  tools=( $( cat toollist ) )
  cd $bindir
  for tool in ${tools[@]}
  do
    if [ -e $bindir/$tool ] && command_exists $tool
    then
      # Special case: setup might be hanging around here from a previous run:
      # When distribution setup would have failed and the downloaded setup been moved to $bindir.
      # Replace with repo version
      if [[ $tool =~ $setup_basename ]] && [ ! -L $setup_fullpath ]
      then
        echo "Digital cinema tools distribution: Replacing setup with repo version"
        rm $bindir/$tool
        ln -s $dist_dir/$tool .
      else
        echo "Digital cinema tools distribution: $tool OK"
      fi
    else
      echo "Digital cinema tools distribution: Add to $bindir: $tool"
      ln -s $dist_dir/$tool .
    fi
  done
else
  errors+=("Digital cinema tools distribution: Failed to update $bindir. Repository missing") && echo_last errors[@]
fi
# dcp_inspect: gem ttfunk nice-to-have
if command_exists gem
then
  if gem list -i ttfunk &> /dev/null
  then
    echo 'dcp_inspect: Nice-to-have gem ttfunk OK'
  else
    if ! gem install ttfunk && rbenv rehash
    then
      echo 'dcp_inspect: Failed to install nice-to-have gem ttfunk. This is not a critical error'
    else
      echo 'dcp_inspect: Nice-to-have gem ttfunk OK'
    fi
  fi
fi
# cinemaslides: gem highline required
if command_exists gem
then
  if gem list -i highline &> /dev/null
  then
    echo 'cinemaslides: Required gem highline OK'
  else
    if ! gem install highline && rbenv rehash
    then
      errors+=("cinemaslides: Failed to install required gem highline. Try again later") && echo_last errors[@]
    else
      echo 'cinemaslides: Required gem highline OK'
    fi
  fi
else
  errors+=("cinemaslides: Failed to install required gem highline (Required command gem not found)") && echo_last errors[@]
fi
# cinemaslides: Set env CINEMASLIDESDIR (will be created on-demand by cinemaslides)
if [ -z "$CINEMASLIDESDIR" ]
then
  cinemaslidesdir=$basedir/CINEMASLIDESDIR
else
  cinemaslidesdir="$CINEMASLIDESDIR"
fi
# There might be another path exported for CINEMASLIDESDIR (user mod)
if grep -P "export CINEMASLIDESDIR=" $bashrc $bash_profile &> /dev/null
then
  echo 'cinemaslides: CINEMASLIDESDIR is set. OK'
else
  echo 'cinemaslides: Setting CINEMASLIDESDIR'
  echo '' >> $bashrc
  echo "# $setup_basename: Location of cinemaslides' working directory" >> $bashrc
  echo "export CINEMASLIDESDIR=$cinemaslidesdir" >> $bashrc
  exec_shell_required=true
fi


# Local certificate store and example certificates
certstore=$basedir/CERTSTORE
if grep -P "export CINEMACERTSTORE=" $bashrc $bash_profile &> /dev/null
then
  echo 'cinemaslides: CINEMACERTSTORE is set. OK'
else
  echo '' >> $bashrc
  echo "# $setup_basename: Location of local example cinema certificates" >> $bashrc
  echo "export CINEMACERTSTORE=$certstore" >> $bashrc
  exec_shell_required=true
fi
if location_exists $certstore
then
  cd $certstore
  if [ -f leaf.key -a -f leaf.signed.pem -a -f intermediate.key -a -f intermediate.signed.pem -a -f ca.key -a -f ca.self-signed.pem -a -f dc-certificate-chain ]
  then
    echo 'Local certificate store: Required certificates found'
  else
    echo 'Local certificate store: Generating example certificates ...'
    $bindir/make-dc-certificate-chain.rb
  fi
else
  mkdir $certstore && cd $certstore
  $bindir/make-dc-certificate-chain.rb
fi
if $bindir/dc_crypto_context.rb --quiet $certstore
then
  echo 'Local certificate store: OK'
else
  echo "Local certificate store: Failed to find valid certificate chain in $certstore"
fi
# Done: Digital Cinemas Tools Distribution


# Fastpath for tab-completion
if [ -e $inputrc ]
then
  # Leave any existing setting untouched
  if grep -P "^set show-all-if-ambiguous on$" $inputrc
  then
    echo 'Tab completion: Fastpath set to on. Leaving untouched. OK'
  elif grep -P "^set show-all-if-ambiguous off$" $inputrc
  then
    echo 'Tab completion: Fastpath set to off. Leaving untouched. OK'
  fi
else
  touch $inputrc
  echo 'Tab completion: Setting fastpath to on'
  echo "# $setup_basename: This will make completions show up after 1 TAB hit" >> $inputrc
  echo 'set show-all-if-ambiguous on' >> $inputrc
  exec_shell_required=true
fi


# Keep downloaded setup script around if distribution setup failed (which would have it included)
if [ -x "$bindir/$setup_basename" -a -L "$bindir/$setup_basename" ] && [[ $( readlink -f "$bindir/$setup_basename" ) = "$dist_dir/$setup_basename" ]]
then
  # I am installation
  echo "$setup_basename: OK"
  if [[ $setup_dirname != $bindir ]]
  then
    echo "$setup_basename: Removing ad-hoc self"
    rm $setup_fullpath
  fi
elif [ -x $bindir/$setup_basename ]
then
  # I am ad-hoc
  echo "$setup_basename: Keep downloaded setup"
  rm $bindir/$setup_basename
  chmod u+x $setup_fullpath && mv $setup_fullpath $bindir/$setup_basename
  if command_exists $setup_basename
  then
    echo "$setup_basename: Keeper OK"
  else
    echo "$setup_basename: Keeper failed"
  fi
else
  errors+=("$setup_basename: Keeper still borked") && echo_last errors[@]
fi


# Setup done
echo

if [ ${#errors[@]} -gt 0 ]
then
  echo 'There were errors:'
  for e in "${errors[@]}"
  do
    echo "Error: $e"
  done
  echo
fi


# FIXME On re-runs in already working environments this is mis-leading
if $exec_shell_required
then
  echo '  ---------------------------------------------------'
  echo ' |                                                   |'
  echo ' |  To finish the installation run                   |'
  echo ' |                                                   |'
  echo ' |    exec $SHELL                                    |'
  echo ' |                                                   |'
  echo ' |  in this terminal now (mind the "$" in "$SHELL")  |'
  echo ' |                                                   |'
  echo '  ---------------------------------------------------'
  echo
fi

echo "$setup_basename: Done"
echo

exit 0