Lighthouse update script

update-lighthouse

#!/bin/bash -e

function log() {
    date +"[%Y-%m-%d %H:%M:%S] $*"
}

lighthouse=$HOME/bin/lighthouse

latest_release="$(curl -s -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/sigp/lighthouse/releases | jq 'sort_by("published_at") | .[0]')"
release_tag="$(echo "$latest_release" | jq -r '.tag_name')"
new_lighthouse="${lighthouse}-${release_tag}"

current_version="$($lighthouse -V | sed -e 's/^Lighthouse //;s/-[0-9a-f]\+$//')"

if [ "$release_tag" = "$current_version" ]; then
    log "Already running the latest version $current_version"
    if [ "$1" != "-f" ]; then
        exit 0
    fi
fi

tarball_url="$(echo "$latest_release" | jq -r '.assets[] | select(.name | endswith("x86_64-unknown-linux-gnu.tar.gz")) | .browser_download_url')"
sigfile_url="$(echo "$latest_release" | jq -r '.assets[] | select(.name | endswith("x86_64-unknown-linux-gnu.tar.gz.asc")) | .browser_download_url')"

tarball_name="$(echo "$latest_release" | jq -r '.assets[] | select(.name | endswith("x86_64-unknown-linux-gnu.tar.gz")) | .name')"
sigfile_name="$(echo "$latest_release" | jq -r '.assets[] | select(.name | endswith("x86_64-unknown-linux-gnu.tar.gz.asc")) | .name')"

cd $HOME/tmp

wget -c $tarball_url
wget -c $sigfile_url

gpg --verify $sigfile_name $tarball_name 

tar_lighthouse=./$(tar tf $tarball_name| grep 'lighthouse$')
tar xf $tarball_name

echo
echo
echo "Current version: $($lighthouse -V)"
echo "New version: $($tar_lighthouse -V)"

read -p "Replace? [y/N]: " REPLACE

if [ "${REPLACE^^}" = "Y" ]; then
    mv $tar_lighthouse "${new_lighthouse}"
    ln -sf "${new_lighthouse}" "$lighthouse"
    sudo supervisorctl restart "lighthouse:*"
fi

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