bash-stuff/bash_aliases

alias screen-off="xset dpms force off"
alias boot-sign-verify="sudo sign-boot && sudo verify-boot"
function kernel-build() {
  echo "[+] Kernel Build Starting...";
  cwd=$(pwd);
  cd ~/kernel;
  for _dir in *"linux"*; do
    [ -d "${_dir}" ] && linuxdir="${_dir}" && break;
  done;
  echo "[-] Removing Sources...";
  rm -rf "$linuxdir";
  sudo rm -rf deb-contents;
  rm -f *.gz;
  rm -f *.dsc;
  echo "[*] Archiving old packages...";
  mkdir -p old-debs;
  touch dummy.deb;
  mv *.deb old-debs/;
  echo "[+] Obtaining Sources...";
  apt-get source linux-image-unsigned-$(uname -r);
  for _dir in *"linux"*; do
    [ -d "${_dir}" ] && linuxdir="${_dir}" && break;
  done;
  cd "$linuxdir";
  echo "[*] Patching source and configuration...";
  sed -i "s/.*CONFIG_MODULE_SIG_FORCE.*/CONFIG_MODULE_SIG_FORCE                         policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'ppc64el': 'y', 's390x': 'y'}>/" debian.master/config/annotations;
  git apply --verbose ~/Downloads/patches/hibernate/0001-Hibernate-Patch.patch;
  echo "[*] Cleaning kernel build...";
  chmod a+x debian/rules;
  chmod a+x debian/scripts/*;
  chmod a+x debian/scripts/misc/*;
  fakeroot debian/rules clean;
  mkdir -p debian/build/build-generic/certs;
  sudo cp /cert/mok/signing_key.pem debian/build/build-generic/certs/;
  sudo chmod u=rw,g=rw,o=rw debian/build/build-generic/certs/signing_key.pem;
  echo "[*] Building kernel...";
  fakeroot debian/rules binary;
  echo "[*] Build Complete!";
  rm -f debian/build/build-generic/certs/signing_key.pem;
  echo "[+] Extracting kernel package...";
  cd ~/kernel;
  mkdir -p deb-contents;
  dpkg-deb -R $(ls linux-image-unsigned-* | head -1)  deb-contents;
  cd "$linuxdir";
  echo "[*] Making kernel signed...";
  pkgarch=$(dpkg-architecture -qDEB_HOST_ARCH);
  pkgver=$(dpkg-parsechangelog --show-field Version);
  cd ~/kernel/deb-contents;
  pkgunom=$(head -1 DEBIAN/control | sed -e 's/Package: //');
  find ./ -type f -exec sed -i -e 's/-unsigned//g' {} \;
  find ./ -type f -exec sed -i -e 's/ unsigned//g' {} \;
  pkgnom=$(head -1 DEBIAN/control | sed -e 's/Package: //');
  sudo mv usr/share/doc/$pkgunom usr/share/doc/$pkgnom;
  tlinuz=$(ls boot/vmlinuz-* | head -1);
  sudo sbsign --key /cert/BMOK.priv --cert /cert/BMOK.pem $tlinuz --output $tlinuz;
  sed -i "s/.*Conflicts: .*/Conflicts: $pkgunom/" DEBIAN/control;
  pkgisz=$(du -ks * | grep -v DEBIAN | cut -f1 | xargs | sed -e 's/\ /+/g' | bc);
  find ./ -path '*/DEBIAN' -prune -o -type f -exec md5sum {} \; | awk '{ print $1 "  " substr($2, 10) }' > DEBIAN/md5sums;
  sed -i "s/.*Installed-Size: .*/Installed-Size: $pkgisz/" DEBIAN/control;
  echo "[+] Packing signed kernel...";
  cd ~/kernel;
  dpkg-deb -b deb-contents ${pkgnom}_${pkgver}_${pkgarch}.deb;
  sudo rm -rf deb-contents;
  echo "[+] Deploying Packages Locally...";
  sudo cp ${pkgnom}_${pkgver}_${pkgarch}.deb /usr/local/mydebs/;
  sudo cp linux-headers-* /usr/local/mydebs/;
  sudo cp linux-libc-dev* /usr/local/mydebs/;
  sudo cp linux-modules* /usr/local/mydebs/;
  sudo update-mydebs;
  cd "$cwd";
  echo "Kernel Build Finished!";
}
function install-tar() {
  if [ $# -gt 0 ]; then
    if [ $# -eq 1 ]; then
      fln=$(basename -- "$1");
      flp=$1;
    else
      fln=$(basename -- "$2");
      flp=$2;
    fi
    fln="${fln%%.*}";
    echo "Installing: /opt/$fln";
    sudo mkdir -p "/opt/$fln";
    sudo tar -xvf "$flp" -C /opt/$fln;
    if [ $# -gt 1 ]; then
      sudo chown -R "$1" /opt/$fln;
    fi
  else
    echo "Usage:";
    echo "install-tar <archive> | <owner> <archive>";
  fi
}
function install-tar-contents() {
  if [ $# -gt 0 ]; then
    if [ $# -eq 1 ]; then
      flp=$1;
    else
      flp=$2;
    fi
    echo "Installing: /opt";
    sudo tar -xvf "$flp" -C /opt;
    if [ $# -gt 1 ]; then
      sudo chown -R "$1" /opt;
    fi
  else
    echo "Usage:";
    echo "install-tar-contents <archive> | <owner> <archive>";
  fi
}
function edit-dot-desktop() {
  sudo nano "/usr/share/applications/$(basename -- "$1").desktop";
}
function edit-dot-desktop-local() {
  nano ~"/.local/share/applications/$(basename -- "$1").desktop";
}
function tpm2-contents() {
  sudo tpm2_selftest
  sudo tpm2_gettestresult
  sudo tpm2_getcap -l
  sudo tmp2_pcrread
  sudo tpm2_pcrread
}
alias list-xinput-devices="xinput list"
function disable-xinput-device() {
  if [ -z $1 ]; then
    echo "Provide a device name fragment.";
  else
    cdid=$(xinput list | grep "$1" | head -1 | grep -Po 'id=\K[^\t]*' | head -1);
    echo "Disabling: $cdid";
    xinput disable $cdid;
  fi;
}
function enable-xinput-device() {
  if [ -z $1 ]; then
    echo "Provide a device name fragment.";
  else
    cdid=$(xinput list | grep "$1" | head -1 | grep -Po 'id=\K[^\t]*' | head -1);
    echo "Enabling: $cdid";
    xinput enable $cdid;
  fi;
}