MacOs system info zsh functions

sysinfo.zsh

# The OS is macOS (darwin)
function is_mac() { [[ "$OSTYPE" == darwin* ]]; }
# The OS is macOS (darwin) running on an M1 (arm64) CPU
function is_mac_arm() { is_mac && [[ "$CPUTYPE" == arm64 ]]; }
# The OS is macOS (darwin) running on an Intel (amd64) CPU
function is_mac_intel() { is_mac && [[ "$CPUTYPE" == x86_64 ]]; }
# Does shell env have command
function is_cmd() { command -v "$1" &>/dev/null; }
# timestamp sane for filenames
function timestamp_filename () { date +%y-%m-%dT%H%M%S; }

if ! is_mac; then
  echo "This script is made for MacOS computers"
  exit 1
fi


if is_mac_arm; then
  # Add rosetta homebrew alias
  alias ibrew='arch -x86_64 /usr/local/bin/brew'
  alias brew='arch -arm64e /opt/homebrew/bin/brew'
  alias iarch='arch -x86_64'
  alias march='arch -arm64e'
else
  alias ibrew='echo "not a aarch64 mac"; exit 1;'
  alias iarch='echo "not a aarch64 mac"; exit 1;'
fi

alias brewu="brew update && brew upgrade; brew cleanup"

brew install m-cli

npm i -g prettier


function __macos_sysinfo_yml() {
  if ! is_cmd 'json2yaml'; then
    if ! is_cmd 'npm'; then
      brew install node
      export PATH="$(brew --prefix node)/bin:$(brew --prefix node)/libexec/bin:$PATH"
    fi
    npm install -g json2yaml
  fi
  echo '---'
  m info
  echo 'kernel:'
  echo "  name: '$(uname -s)'"
  echo "  nodename: '$(uname --nodename)'"
  echo "  release: '$(uname -r)'"
  echo "  version: '$(uname -v)'"
  echo "  machine: '$(uname -m)'"
  echo "  processor: '$(uname -p)'"
  echo "  hardware_platform: '$(uname -i)'"
  echo "  operating_system: '$(uname -o)'"
  system_profiler -json \
    SPSoftwareDataType \
    SPHardwareDataType \
    SPDeveloperToolsDataType | json2yaml |
    grep --invert-match 'serial_number: ' |
    grep --invert-match 'platform_UUID: ' |
    grep --invert-match 'provisioning_UDID: ' |
    tail -n +2
}

function system_update_report() {
  if ! [[ "$SHELL" == *zsh* ]]; then
    echo "This function is made for Z-Shell (ZSH)";
    return 1
  fi
  
  if ! is_cmd 'json2yaml' || ! is_cmd 'prettier'; then
    if ! is_cmd 'npm' || ! is_cmd 'node'; then
      brew install nvm
      cat <<EOD >> ~/.zshrc
export NVM_DIR=~/.nvm
[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
EOD
    fi
    source ~/.zshrc
    nvm install --lts
    nvm install-latest-npm
    nvm alias default stable
    npm install -g json2yaml prettier
  fi
  if ! is_cmd 'm'; then
    brew install m-cli
  fi
  TIMESTAMP="$(date +%Y-%m-%dT%H%M%S)"
  ISO_TIMESTAMP="$(date --iso-8601=seconds)"
  MD_REPORT_PATH="mac_info_${TIMESTAMP}.md"

  system_profiler -json SPInstallHistoryDataType | json2yaml >"mac_info_install_history_${TIMESTAMP}.yml"
  system_profiler -json SPApplicationsDataType | json2yaml >"mac_info_applications_${TIMESTAMP}.yml"
  __macos_sysinfo_yml >"mac_info_general_${TIMESTAMP}.yml"

  touch "$MD_REPORT_PATH"

  alias echo='echo -e'
  # yaml frontmatter
  echo '---' >"$MD_REPORT_PATH"
  m info >>"$MD_REPORT_PATH"
  echo "date: ${ISO_TIMESTAMP}" >>"$MD_REPORT_PATH"
  echo $'---\n' >>"$MD_REPORT_PATH"

  # markdown title
  echo "# Computer summary (${ISO_TIMESTAMP})"$'\n' >>"$MD_REPORT_PATH"

  echo $'## macOS\n' >>"$MD_REPORT_PATH"

  echo $'### System update settings\n' >>"$MD_REPORT_PATH"

  echo '```sh' >>"$MD_REPORT_PATH"
  echo $'$ softwareupdate --list' >>"$MD_REPORT_PATH"
  softwareupdate --list >>"$MD_REPORT_PATH" 2>&1
  echo $'\n$ softwareupdate --schedule' >>"$MD_REPORT_PATH"
  softwareupdate --schedule >>"$MD_REPORT_PATH" 2>&1
  echo $'```\n' >>"$MD_REPORT_PATH"

  echo $'### Info yaml\n' >>"$MD_REPORT_PATH"
  echo '```yaml' >>"$MD_REPORT_PATH"
  tail -n +2 "mac_info_general_${TIMESTAMP}.yml" >>"$MD_REPORT_PATH"
  echo $'```\n' >>"$MD_REPORT_PATH"

  echo $'## Homebrew Status\n' >>"$MD_REPORT_PATH"

  if is_mac_arm; then
    echo $'### Arch arm64\n' >>"$MD_REPORT_PATH"
  fi

  echo '```sh' >>"$MD_REPORT_PATH"
  echo $'$ brew update && brew upgrade' >>"$MD_REPORT_PATH"
  brew update && brew upgrade >>"$MD_REPORT_PATH" 2>&1
  echo $'\n$ brew autoupdate status' >>"$MD_REPORT_PATH"
  brew autoupdate status >>"$MD_REPORT_PATH" 2>&1
  echo $'```\n' >>"$MD_REPORT_PATH"

  if is_mac_arm; then
    echo $'### Arch amd64\n' >>"$MD_REPORT_PATH"

    echo $'```sh' >>"$MD_REPORT_PATH"
    echo $'$ which ibrew' >>"$MD_REPORT_PATH"
    which ibrew >>"$MD_REPORT_PATH" 2>&1
    echo $'\n$ ibrew update && ibrew upgrade' >>"$MD_REPORT_PATH"
    ibrew update && ibrew upgrade >>"$MD_REPORT_PATH" 2>&1
    echo $'\n$ brew autoupdate status' >>"$MD_REPORT_PATH"
    ibrew autoupdate status >>"$MD_REPORT_PATH" 2>&1
    echo $'```\n' >>"$MD_REPORT_PATH"
  fi

  echo $'## Homebrew Versions\n' >>"$MD_REPORT_PATH"

  if is_mac_arm; then
    echo $'### Arch arm64\n' >>"$MD_REPORT_PATH"
  fi

  echo '```sh' >>"$MD_REPORT_PATH"
  echo $'$ brew list --versions' >>"$MD_REPORT_PATH"
  brew list --versions >>"$MD_REPORT_PATH" 2>&1
  echo $'```\n' >>"$MD_REPORT_PATH"

  if is_mac_arm; then
    echo $'### Arch amd64\n' >>"$MD_REPORT_PATH"
    echo $'```sh' >>"$MD_REPORT_PATH"
    echo $'$ brew list --versions' >>"$MD_REPORT_PATH"
    brew list --versions >>"$MD_REPORT_PATH" 2>&1
    echo $'```\n' >>"$MD_REPORT_PATH"
  fi

  prettier -w *"_${TIMESTAMP}".{yml,md}
}