A script to use for dynamically installing a tag version of Neovim.

nvim-update-to-tag.sh

#!/bin/bash

if [ -z "$1" ]
then
    TAG="stable"
else
    TAG=$1
fi

TMP_FILE=nvim-macos.tar.gz
OUTPUT_DIR_NAME=nvim-osx64
DOWNLOAD_URL=https://github.com/neovim/neovim/releases/download/$TAG/nvim-macos.tar.gz
echo Attempting to install \'$TAG\' version of Neovim
cd /tmp
echo Downloading: $DOWNLOAD_URL
curl -LO $DOWNLOAD_URL
if [[ -f "$TMP_FILE" ]]; then
    tar xzf $TMP_FILE
    if [[ -d "$OUTPUT_DIR_NAME" ]]; then
        if [[ -d "/opt/$OUTPUT_DIR_NAME" ]]; then
            sudo rm -rf /opt/$OUTPUT_DIR_NAME.bak
            sudo mv /opt/$OUTPUT_DIR_NAME /opt/$OUTPUT_DIR_NAME.bak
        fi
        sudo mv $OUTPUT_DIR_NAME /opt/$OUTPUT_DIR_NAME
        sudo rm -rf /opt/bin/nvim
        sudo ln -s /opt/$OUTPUT_DIR_NAME/bin/nvim /opt/bin/nvim
    fi
fi
echo Successfully installed \'$TAG\' version of Neovim

/opt/bin/nvim --version