在无魔法环境下安装 fnm

引言

fnm 的默认安装方法对网络要求比较高，但在部分设备上不方便，故此记录一次手动安装过程

过程

获取官方安装脚本
搜索下载链接部分 (https://github.com/Schniz/fnm/releases/)
修改为镜像链接 (ghfast.top或github.moeyy.xyz)

导入安装脚本 (已使用镜像源)

cat << EOF > ./fnm.sh
#!/bin/bash

set -e

RELEASE="latest"
OS="$(uname -s)"

case "${OS}" in
   MINGW* | Win*) OS="Windows" ;;
esac

if [ -d "$HOME/.fnm" ]; then
  INSTALL_DIR="$HOME/.fnm"
elif [ -n "$XDG_DATA_HOME" ]; then
  INSTALL_DIR="$XDG_DATA_HOME/fnm"
elif [ "$OS" = "Darwin" ]; then
  INSTALL_DIR="$HOME/Library/Application Support/fnm"
else
  INSTALL_DIR="$HOME/.local/share/fnm"
fi

# Parse Flags
parse_args() {
  while [[ $# -gt 0 ]]; do
    key="$1"

    case $key in
    -d | --install-dir)
      INSTALL_DIR="$2"
      shift # past argument
      shift # past value
      ;;
    -s | --skip-shell)
      SKIP_SHELL="true"
      shift # past argument
      ;;
    --force-install | --force-no-brew)
      echo "\`--force-install\`: I hope you know what you're doing." >&2
      FORCE_INSTALL="true"
      shift
      ;;
    -r | --release)
      RELEASE="$2"
      shift # past release argument
      shift # past release value
      ;;
    *)
      echo "Unrecognized argument $key"
      exit 1
      ;;
    esac
  done
}

set_filename() {
  if [ "$OS" = "Linux" ]; then
    # Based on https://stackoverflow.com/a/45125525
    case "$(uname -m)" in
      arm | armv7*)
        FILENAME="fnm-arm32"
        ;;
      aarch* | armv8*)
        FILENAME="fnm-arm64"
        ;;
      *)
        FILENAME="fnm-linux"
    esac
  elif [ "$OS" = "Darwin" ] && [ "$FORCE_INSTALL" = "true" ]; then
    FILENAME="fnm-macos"
    USE_HOMEBREW="false"
    echo "Downloading the latest fnm binary from GitHub..."
    echo "  Pro tip: it's easier to use Homebrew for managing fnm in macOS."
    echo "           Remove the \`--force-no-brew\` so it will be easy to upgrade."
  elif [ "$OS" = "Darwin" ]; then
    USE_HOMEBREW="true"
    echo "Downloading fnm using Homebrew..."
  elif [ "$OS" = "Windows" ] ; then
    FILENAME="fnm-windows"
    echo "Downloading the latest fnm binary from GitHub..."
  else
    echo "OS $OS is not supported."
    echo "If you think that's a bug - please file an issue to https://github.com/Schniz/fnm/issues"
    exit 1
  fi
}

download_fnm() {
  if [ "$USE_HOMEBREW" = "true" ]; then
    brew install fnm
  else
    if [ "$RELEASE" = "latest" ]; then
      URL="https://ghfast.top/https://github.com/Schniz/fnm/releases/latest/download/$FILENAME.zip"
    else
      URL="https://ghfast.top/https://github.com/Schniz/fnm/releases/download/$RELEASE/$FILENAME.zip"
    fi

    DOWNLOAD_DIR=$(mktemp -d)

    echo "Downloading $URL..."

    mkdir -p "$INSTALL_DIR" &>/dev/null

    if ! curl --progress-bar --fail -L "$URL" -o "$DOWNLOAD_DIR/$FILENAME.zip"; then
      echo "Download failed.  Check that the release/filename are correct."
      exit 1
    fi

    unzip -q "$DOWNLOAD_DIR/$FILENAME.zip" -d "$DOWNLOAD_DIR"

    if [ -f "$DOWNLOAD_DIR/fnm" ]; then
      mv "$DOWNLOAD_DIR/fnm" "$INSTALL_DIR/fnm"
    else
      mv "$DOWNLOAD_DIR/$FILENAME/fnm" "$INSTALL_DIR/fnm"
    fi

    chmod u+x "$INSTALL_DIR/fnm"
  fi
}

check_dependencies() {
  echo "Checking dependencies for the installation script..."

  echo -n "Checking availability of curl... "
  if hash curl 2>/dev/null; then
    echo "OK!"
  else
    echo "Missing!"
    SHOULD_EXIT="true"
  fi

  echo -n "Checking availability of unzip... "
  if hash unzip 2>/dev/null; then
    echo "OK!"
  else
    echo "Missing!"
    SHOULD_EXIT="true"
  fi

  if [ "$USE_HOMEBREW" = "true" ]; then
    echo -n "Checking availability of Homebrew (brew)... "
    if hash brew 2>/dev/null; then
      echo "OK!"
    else
      echo "Missing!"
      SHOULD_EXIT="true"
    fi
  fi

  if [ "$SHOULD_EXIT" = "true" ]; then
    echo "Not installing fnm due to missing dependencies."
    exit 1
  fi
}

ensure_containing_dir_exists() {
  local CONTAINING_DIR
  CONTAINING_DIR="$(dirname "$1")"
  if [ ! -d "$CONTAINING_DIR" ]; then
    echo " >> Creating directory $CONTAINING_DIR"
    mkdir -p "$CONTAINING_DIR"
  fi
}

setup_shell() {
  CURRENT_SHELL="$(basename "$SHELL")"

  if [ "$CURRENT_SHELL" = "zsh" ]; then
    CONF_FILE=${ZDOTDIR:-$HOME}/.zshrc
    ensure_containing_dir_exists "$CONF_FILE"
    echo "Installing for Zsh. Appending the following to $CONF_FILE:"
    {
      echo ''
      echo '# fnm'
      echo 'FNM_PATH="'"$INSTALL_DIR"'"'
      echo 'if [ -d "$FNM_PATH" ]; then'
      echo '  export PATH="'$INSTALL_DIR':$PATH"'
      echo '  eval "`fnm env`"'
      echo 'fi'
    } | tee -a "$CONF_FILE"

  elif [ "$CURRENT_SHELL" = "fish" ]; then
    CONF_FILE=$HOME/.config/fish/conf.d/fnm.fish
    ensure_containing_dir_exists "$CONF_FILE"
    echo "Installing for Fish. Appending the following to $CONF_FILE:"
    {
      echo ''
      echo '# fnm'
      echo 'set FNM_PATH "'"$INSTALL_DIR"'"'
      echo 'if [ -d "$FNM_PATH" ]'
      echo '  set PATH "$FNM_PATH" $PATH'
      echo '  fnm env | source'
      echo 'end'
    } | tee -a "$CONF_FILE"

  elif [ "$CURRENT_SHELL" = "bash" ]; then
    if [ "$OS" = "Darwin" ]; then
      CONF_FILE=$HOME/.profile
    else
      CONF_FILE=$HOME/.bashrc
    fi
    ensure_containing_dir_exists "$CONF_FILE"
    echo "Installing for Bash. Appending the following to $CONF_FILE:"
    {
      echo ''
      echo '# fnm'
      echo 'FNM_PATH="'"$INSTALL_DIR"'"'
      echo 'if [ -d "$FNM_PATH" ]; then'
      echo '  export PATH="$FNM_PATH:$PATH"'
      echo '  eval "`fnm env`"'
      echo 'fi'
    } | tee -a "$CONF_FILE"

  else
    echo "Could not infer shell type. Please set up manually."
    exit 1
  fi

  echo ""
  echo "In order to apply the changes, open a new terminal or run the following command:"
  echo ""
  echo "  source $CONF_FILE"
}

parse_args "$@"
set_filename
check_dependencies
download_fnm
if [ "$SKIP_SHELL" != "true" ]; then
  setup_shell
fi
EOF

CodeBlock Loading...

执行安装

bash ./fnm.sh

等待安装完成即可。

cat << EOF > ./fnm.sh #!/bin/bash set -e RELEASE="latest" OS="$(uname -s)" case "${OS}" in MINGW* | Win*) OS="Windows" ;; esac if [ -d "$HOME/.fnm" ]; then INSTALL_DIR="$HOME/.fnm" elif [ -n "$XDG_DATA_HOME" ]; then INSTALL_DIR="$XDG_DATA_HOME/fnm" elif [ "$OS" = "Darwin" ]; then INSTALL_DIR="$HOME/Library/Application Support/fnm" else INSTALL_DIR="$HOME/.local/share/fnm" fi # Parse Flags parse_args() { while [[ $# -gt 0 ]]; do key="$1" case $key in -d | --install-dir) INSTALL_DIR="$2" shift # past argument shift # past value ;; -s | --skip-shell) SKIP_SHELL="true" shift # past argument ;; --force-install | --force-no-brew) echo "\`--force-install\`: I hope you know what you're doing." >&2 FORCE_INSTALL="true" shift ;; -r | --release) RELEASE="$2" shift # past release argument shift # past release value ;; *) echo "Unrecognized argument $key" exit 1 ;; esac done } set_filename() { if [ "$OS" = "Linux" ]; then # Based on https://stackoverflow.com/a/45125525 case "$(uname -m)" in arm | armv7*) FILENAME="fnm-arm32" ;; aarch* | armv8*) FILENAME="fnm-arm64" ;; *) FILENAME="fnm-linux" esac elif [ "$OS" = "Darwin" ] && [ "$FORCE_INSTALL" = "true" ]; then FILENAME="fnm-macos" USE_HOMEBREW="false" echo "Downloading the latest fnm binary from GitHub..." echo " Pro tip: it's easier to use Homebrew for managing fnm in macOS." echo " Remove the \`--force-no-brew\` so it will be easy to upgrade." elif [ "$OS" = "Darwin" ]; then USE_HOMEBREW="true" echo "Downloading fnm using Homebrew..." elif [ "$OS" = "Windows" ] ; then FILENAME="fnm-windows" echo "Downloading the latest fnm binary from GitHub..." else echo "OS $OS is not supported." echo "If you think that's a bug - please file an issue to https://github.com/Schniz/fnm/issues" exit 1 fi } download_fnm() { if [ "$USE_HOMEBREW" = "true" ]; then brew install fnm else if [ "$RELEASE" = "latest" ]; then URL="https://ghfast.top/https://github.com/Schniz/fnm/releases/latest/download/$FILENAME.zip" else URL="https://ghfast.top/https://github.com/Schniz/fnm/releases/download/$RELEASE/$FILENAME.zip" fi DOWNLOAD_DIR=$(mktemp -d) echo "Downloading $URL..." mkdir -p "$INSTALL_DIR" &>/dev/null if ! curl --progress-bar --fail -L "$URL" -o "$DOWNLOAD_DIR/$FILENAME.zip"; then echo "Download failed. Check that the release/filename are correct." exit 1 fi unzip -q "$DOWNLOAD_DIR/$FILENAME.zip" -d "$DOWNLOAD_DIR" if [ -f "$DOWNLOAD_DIR/fnm" ]; then mv "$DOWNLOAD_DIR/fnm" "$INSTALL_DIR/fnm" else mv "$DOWNLOAD_DIR/$FILENAME/fnm" "$INSTALL_DIR/fnm" fi chmod u+x "$INSTALL_DIR/fnm" fi } check_dependencies() { echo "Checking dependencies for the installation script..." echo -n "Checking availability of curl... " if hash curl 2>/dev/null; then echo "OK!" else echo "Missing!" SHOULD_EXIT="true" fi echo -n "Checking availability of unzip... " if hash unzip 2>/dev/null; then echo "OK!" else echo "Missing!" SHOULD_EXIT="true" fi if [ "$USE_HOMEBREW" = "true" ]; then echo -n "Checking availability of Homebrew (brew)... " if hash brew 2>/dev/null; then echo "OK!" else echo "Missing!" SHOULD_EXIT="true" fi fi if [ "$SHOULD_EXIT" = "true" ]; then echo "Not installing fnm due to missing dependencies." exit 1 fi } ensure_containing_dir_exists() { local CONTAINING_DIR CONTAINING_DIR="$(dirname "$1")" if [ ! -d "$CONTAINING_DIR" ]; then echo " >> Creating directory $CONTAINING_DIR" mkdir -p "$CONTAINING_DIR" fi } setup_shell() { CURRENT_SHELL="$(basename "$SHELL")" if [ "$CURRENT_SHELL" = "zsh" ]; then CONF_FILE=${ZDOTDIR:-$HOME}/.zshrc ensure_containing_dir_exists "$CONF_FILE" echo "Installing for Zsh. Appending the following to $CONF_FILE:" { echo '' echo '# fnm' echo 'FNM_PATH="'"$INSTALL_DIR"'"' echo 'if [ -d "$FNM_PATH" ]; then' echo ' export PATH="'$INSTALL_DIR':$PATH"' echo ' eval "`fnm env`"' echo 'fi' } | tee -a "$CONF_FILE" elif [ "$CURRENT_SHELL" = "fish" ]; then CONF_FILE=$HOME/.config/fish/conf.d/fnm.fish ensure_containing_dir_exists "$CONF_FILE" echo "Installing for Fish. Appending the following to $CONF_FILE:" { echo '' echo '# fnm' echo 'set FNM_PATH "'"$INSTALL_DIR"'"' echo 'if [ -d "$FNM_PATH" ]' echo ' set PATH "$FNM_PATH" $PATH' echo ' fnm env | source' echo 'end' } | tee -a "$CONF_FILE" elif [ "$CURRENT_SHELL" = "bash" ]; then if [ "$OS" = "Darwin" ]; then CONF_FILE=$HOME/.profile else CONF_FILE=$HOME/.bashrc fi ensure_containing_dir_exists "$CONF_FILE" echo "Installing for Bash. Appending the following to $CONF_FILE:" { echo '' echo '# fnm' echo 'FNM_PATH="'"$INSTALL_DIR"'"' echo 'if [ -d "$FNM_PATH" ]; then' echo ' export PATH="$FNM_PATH:$PATH"' echo ' eval "`fnm env`"' echo 'fi' } | tee -a "$CONF_FILE" else echo "Could not infer shell type. Please set up manually." exit 1 fi echo "" echo "In order to apply the changes, open a new terminal or run the following command:" echo "" echo " source $CONF_FILE" } parse_args "$@" set_filename check_dependencies download_fnm if [ "$SKIP_SHELL" != "true" ]; then setup_shell fi EOF