Hugo Theme Update Script. Uses git subtree

update_theme.sh

#!/usr/bin/env bash
# This script will download the latest theme release from the Github repository. 
# requires jq

REPO="" # github "user/repo"
GITHUB_USERNAME="" 

metas=$(echo $REPO | tr "/" "\n")
THEME_NAME=$(echo $metas | awk '{print $2}')


LATEST=$(curl -u $GITHUB_USERNAME https://api.github.com/repos/$REPO/tags | jq -r ".[0].name")
 

CURRENT=$(cat THEME_VERSION)

if [ $LATEST = $CURRENT ]; then
echo "Theme is up to date"
exit
fi

echo -n "Current version: $CURRENT Download Latest ($LATEST)? (y/n): "
read answer

echo ""
if [ "$answer" != "${answer#[Yy]}" ] ;then
    
    rm -rf themes/$THEME_NAME
    git subtree add --prefix themes/$THEME_NAME --squash https://github.com/$REPO.git $LATEST

    #save new version to file
    echo $LATEST > THEME_VERSION   
    echo "Theme downloaded"
else
    echo "Download aborted"
fi