Spofity視聴中の曲をSlackステータスに投稿 (macOS専用)

Step 1: OAuth

これの「準備2」まで行う
（Slackワークスペースにアプリのインストールを行う必要がある）

Step 2: こちらのコードを持ってきて動かす

APIKEY に Step 1 で取ってきたアクセストークンをいれて、動かす
https://gist.github.com/jgamblin/9701ed50398d138c65ead316b5d11b26#gistcomment-2792595

#!/bin/bash

# from: https://gist.github.com/jgamblin/9701ed50398d138c65ead316b5d11b26#gistcomment-2792595
# by laurentfite@github

# Get it from here : https://api.slack.com/custom-integrations/legacy-tokens
APIKEY="XXXXXXXXXX"

trap onexit INT

function reset() {
    echo 'Resetting status'
    TEXT='Winter%20is%20coming%20(at%20last)'
    EMOJI='snowflake'
    curl -s -d "payload=$json" "https://slack.com/api/users.profile.set?token="$APIKEY"&profile=%7B%22status_text%22%3A%22"$TEXT"%22%2C%22status_emoji%22%3A%22%3A"$EMOJI"%3A%22%7D"  > /dev/null
}

function onexit() {
    echo 'Exiting'
    reset
    exit
}

while true; do
    state=$(osascript -e 'tell application "Spotify" to player state')

    date
    echo "Spotify: "$state

    if [[ "$state" != "playing" ]]; then
        reset
    else
        SONG=$(osascript -e 'tell application "Spotify" to artist of current track & " - " & name of current track')
        URLSONG=$(echo "$SONG" | perl -MURI::Escape -ne 'chomp;print uri_escape($_),"\n"')
        echo $SONG

        curl -s -d "payload=$json" "https://slack.com/api/users.profile.set?token="$APIKEY"&profile=%7B%22status_text%22%3A%22"$URLSONG"%22%2C%22status_emoji%22%3A%22%3Aheadphones%3A%22%7D"  > /dev/null
    fi

    sleep 60
done

さらに以下のように launchd に設定すれば、自動起動される
https://gist.github.com/jgamblin/9701ed50398d138c65ead316b5d11b26#gistcomment-2775093