install.sh

#!/usr/bin/env bash
# shellcheck disable=SC2317
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APPNAME="grub"
USER="${SUDO_USER:-${USER}}"
HOME="${USER_HOME:-${HOME}}"
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#set opts

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##@Version       : 020920211842-git
# @Author        : Jason Hempstead
# @Contact       : jason@casjaysdev.pro
# @License       : LICENSE.md
# @ReadME        : README.md
# @Copyright     : Copyright: (c) 2021 Jason Hempstead, CasjaysDev
# @Created       : Tuesday, Feb 09, 2021 18:42 EST
# @File          : grub
# @Description   : Installer script for grub
# @TODO          :
# @Other         :
# @Resource      :
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# Import functions
CASJAYSDEVDIR="${CASJAYSDEVDIR:-/usr/local/share/CasjaysDev/scripts}"
SCRIPTSFUNCTDIR="${CASJAYSDEVDIR:-/usr/local/share/CasjaysDev/scripts}/functions"
SCRIPTSFUNCTFILE="${SCRIPTSAPPFUNCTFILE:-app-installer.bash}"
SCRIPTSFUNCTURL="${SCRIPTSAPPFUNCTURL:-https://github.com/dfmgr/installer/raw/main/functions}"
connect_test() { ping -c1 1.1.1.1 &>/dev/null || curl --disable -LSs --connect-timeout 3 --retry 0 --max-time 1 1.1.1.1 2>/dev/null | grep -e "HTTP/[0123456789]" | grep -q "200" -n1 &>/dev/null; }
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if [ -f "$PWD/$SCRIPTSFUNCTFILE" ]; then
  . "$PWD/$SCRIPTSFUNCTFILE"
elif [ -f "$SCRIPTSFUNCTDIR/$SCRIPTSFUNCTFILE" ]; then
  . "$SCRIPTSFUNCTDIR/$SCRIPTSFUNCTFILE"
elif connect_test; then
  curl -LSs "$SCRIPTSFUNCTURL/$SCRIPTSFUNCTFILE" -o "/tmp/$SCRIPTSFUNCTFILE" || exit 1
  . "/tmp/$SCRIPTSFUNCTFILE"
else
  echo "Can not load the functions file: $SCRIPTSFUNCTDIR/$SCRIPTSFUNCTFILE" 1>&2
  exit 1
fi
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# Call the main function
system_installdirs
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# Make sure the scripts repo is installed
scripts_check
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# Defaults
APPNAME="${APPNAME:-grub}"
APPDIR="/usr/local/etc/$APPNAME"
INSTDIR="$SYSSHARE/CasjaysDev/systemmgr/$APPNAME"
REPO_BRANCH="${GIT_REPO_BRANCH:-main}"
REPO="${SYSTEMMGRREPO:-https://github.com/systemmgr}/$APPNAME"
REPORAW="$REPO/raw/$REPO_BRANCH"
APPVERSION="$(__appversion "$REPORAW/version.txt")"
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# Setup plugins
PLUGNAMES=""
PLUGDIR="${SHARE:-$HOME/.local/share}/$APPNAME"
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# Require a version higher than
systemmgr_req_version "$APPVERSION"
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# Call the systemmgr function
systemmgr_install
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# Script options IE: --help
show_optvars "$@"
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# Requires root - no point in continuing
sudoreq # sudo required
#sudorun # sudo optional
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# Do not update - add --force to overwrite
#installer_noupdate "$@"
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# initialize the installer
systemmgr_run_init
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# end with a space
APP="$APPNAME "
PERL=""
PYTH=""
PIPS=""
CPAN=""
GEMS=""

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# install packages - useful for package that have the same name on all oses
install_packages "$APP"
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# install required packages using file
install_required "$APP"
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# check for perl modules and install using system package manager
install_perl "$PERL"
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# check for python modules and install using system package manager
install_python "$PYTH"
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# check for pip binaries and install using python package manager
install_pip "$PIPS"
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# check for cpan binaries and install using perl package manager
install_cpan "$CPAN"
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# check for ruby binaries and install using ruby package manager
install_gem "$GEMS"
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# Other dependencies
dotfilesreq
dotfilesreqadmin
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# Ensure directories exist
ensure_dirs
ensure_perms
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# Backup if needed
if [ -d "$APPDIR" ]; then
  execute "backupapp $APPDIR $APPNAME" "Backing up $APPDIR"
fi
# Main progam
if am_i_online; then
  if [ -d "$INSTDIR/.git" ]; then
    execute "git_update $INSTDIR" "Updating $APPNAME configurations"
  else
    execute "git_clone $REPO $INSTDIR" "Installing $APPNAME configurations"
  fi
  # exit on fail
  failexitcode $? "Git has failed"
fi
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# run post install scripts
run_postinst() {
  systemmgr_run_post
  GRUB="$(builtin type -P grub2-mkconfig 2>/dev/null || builtin type -P grub-mkconfig 2>/dev/null || false)"
  GRUB_CONF="$(find /boot -type f -iname '*grub*' 2>/dev/null | grep -F '.cfg' | grep -Ev '\.rpmnew|\.rpmsave|\.bak' | grep '^' || false)"
  DISTRO_NAME="$(grep -sE --no-filename '^NAME=|^DISTRIB_ID=|^ID=' /etc/*-release | head -n1 | sed 's|.*=||g;s|"||g' | awk -F ' ' '{print $1}' | grep '^' || echo "Linux")"
  if [ -d "/boot/grub2" ]; then
    GRUB_HOME="/boot/grub2"
  elif [ -d "/boot/grub" ]; then
    GRUB_HOME="/boot/grub"
  fi
  if [ -n "$GRUB" ] && [ -n "$GRUB_CONF" ] && [ -f "/etc/default/grub" ]; then
    if [ -n "$GRUB_HOME" ]; then
      mkd "$GRUB_HOME/themes"
      [ -d "$GRUB_HOME/themes/default" ] && rm -Rf "$GRUB_HOME/themes/default"
      [ -L "$GRUB_HOME/themes/default" ] || ln_sf "$GRUB_HOME/themes/poly-dark" "$GRUB_HOME/themes/default"
    fi
    if [ -n "$FORCE_INSTALL" ] || [ ! -f "$INSTDIR/.installed" ]; then
      cp_rf "/etc/default/grub" "$APPDIR/grub.bak"
      cp_rf "$APPDIR/themes/." "$GRUB_HOME/themes/"
      cp_rf "$APPDIR/grub" "/etc/default/grub"
      sed -i 's|^\(GRUB_TERMINAL\w*=.*\)|#\1|' "/etc/default/grub"
      sed -i "s|REPLACE_GRUB_HOME|$GRUB_HOME|g" "/etc/default/grub"
      sed -i "s|^GRUB_DISTRIBUTOR=.*|GRUB_DISTRIBUTOR=\"$DISTRO_NAME\"|g" "/etc/default/grub"
    fi
    for cfg in $GRUB_CONF; do
      ${GRUB} -o "$cfg"
    done
  fi
}
#
execute "run_postinst" "Running post install scripts"
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# create version file
systemmgr_install_version
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# run exit function
run_exit
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# End application
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# lets exit with code
exit ${exitCode:-$?}