neovim and coc installing script

install.sh

# 1. install neovim

echo "[step 1] installing neovim"

if command -v nvim > /dev/null; then
    echo "nvim has been installed"
else
    NVIM_HOME="$HOME/modules/neovim"
    printf "Neovim will be installed into this location:\\n"
    printf "%s\\n" "${NVIM_HOME}"
    printf "\\n"
    printf "  - Press ENTER to confirm the location\\n"
    printf "  - Or specify a different location below\\n"
    printf "\\n"
    printf "[%s] >>> " "${NVIM_HOME}"
    read -r user_nvim_home
    if [ "$user_nvim_home" != "" ]; then
        case "$user_nvim_home" in
            *\ * )
                printf "ERROR: Cannot install into directories with spaces\\n" >&2
                exit 1
                ;;
            *)
                eval NVIM_HOME="$user_nvim_home"
                ;;
        esac
    fi

    curl -LO https://github.com/neovim/neovim/releases/latest/download/nvim.appimage
    chmod u+x nvim.appimage

    if [[ ! -d ${NVIM_HOME}/bin ]]; then
        mkdir -p ${NVIM_HOME}/bin
    fi

    mv nvim.appimage ${NVIM_HOME}/nvim
    echo "export PATH=\"\$PATH:${NVIM_HOME}/bin\"" >> $HOME/.bashrc
    source $HOME/.bashrc
fi


# 2. install node.js

echo "[step 2] installing and node.js"
if command -v node > /dev/null; then
    echo "node has been installed"
else
    NODE_HOME="$HOME/modules/node"
    printf "Node.js will be installed into this location:\\n"
    printf "%s\\n" "${NODE_HOME}"
    printf "\\n"
    printf "  - Press ENTER to confirm the location\\n"
    printf "  - Or specify a different location below\\n"
    printf "\\n"
    printf "[%s] >>> " "${NODE_HOME}"
    read -r user_node_home
    if [ "$user_node_home" != "" ]; then
        case "$user_node_home" in
            *\ * )
                printf "ERROR: Cannot install into directories with spaces\\n" >&2
                exit 1
                ;;
            *)
                eval NODE_HOME="$user_node_home"
                ;;
        esac
    fi
    wget https://nodejs.org/dist/v14.15.0/node-v14.15.0-linux-x64.tar.xz
    tar xvf node-v14.15.0-linux-x64.tar.xz
    if [[ ! -d ${NODE_HOME} ]]; then
        mkdir -p ${NODE_HOME}
    fi
    mv node-v14.15.0-linux-x64/* ${NODE_HOME}
    rmdir node-v14.15.0-linux-x64
    echo "export PATH=\"\$PATH:${NODE_HOME}/bin\"" >> $HOME/.bashrc
    source $HOME/.bashrc
fi

# 3. install node.js packages via npm

echo "[step 3] installing node.js packages: neovim and yarn"
npm install -g neovim yarn

# 4. install Plug
echo "[step 4] installing plug"
sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

# 5. install plugins via Plug
echo "[step 5] installing plugins"
if [[ ! -d $HOME/.config/nvim ]]; then
    mkdir -p $HOME/.config/nvim
fi
if [[ ! -f $HOME/.config/nvim/init.vim ]]; then
    wget https://gist.githubusercontent.com/wsntxxn/5bbe7856a472985d82f62e1b0895ce60/raw/fc7db25e1af2b9dae8969021c52c21ce06be3bb5/init.vim -P $HOME/.config/nvim/
fi
nvim +'PlugInstall --sync' +qa

# 6. install packages via pip
echo "[step 6] installing python packages: neovim and notedown"
pip install neovim notedown

# 7. postprocessing for semshi
echo "[step 7] post processing step for installing semshi"
nvim +'UpdateRemotePlugins' +qa 

# 8. install coc plugins
echo "[step 8] installing coc plugins"
nvim +'CocInstall coc-python coc-json coc-jedi'

echo "Finish installing neovim and coc.nvim!"