!/bin/bash

CURRENT_VER=15

set -e

Detect OSX version

OSX_VERSION=$(defaults read loginwindow SystemVersionStampAsString)

Add leading zero to make all version have

the same length of 6 characters

pat_1="([0-9]{1,2}).([0-9]{1,2}).([0-9]{1,2})" pat_2="([0-9]{1,2}).([0-9]{1,2})" [[ $OSX_VERSION =~ $pat_1 ]] # $pat must be unquoted if [[ ${BASH_REMATCH[0]} == $OSX_VERSION ]]; then OSX_VERSION=$(printf %02d "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}" "${BASH_REMATCH[3]}") else [[ $OSX_VERSION =~ $pat_2 ]] # $pat must be unquoted OSX_VERSION=$(printf %02d "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}" "00") fi

Version are written down using

zero padding %02d to normalize length

to 6 characters

OS_BIGSUR_3=110203 OS_BIGSUR_2=110201 OS_BIGSUR=110001 OS_CATALINA=101507 OS_MOJAVE=101406 OS_HIGH_SIERRA=101306 OS_SIERRA=101206 OS_EL_CAPITAN=101106 OS_YOSEMITE=101005 OS_MAVERICKS=100905 OS_MOUNTAIN_LION=100805 OS_LION=100705 OS_SNOW_LEOPARD=100608 OS_LEOPARD=100508 OS_TIGER=100411 OS_PANTHER=100309 OS_JAGUAR=100208 OS_PUMA=100105 OS_CHEETAH=100004

check if version is up-to-date

INSTALLATION_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

check that curl is present in the system

if ! [ -x "$(command -v curl)" ]; then echo "curl command is not present. Auto Update function is disabled" else LATEST_VER=$(curl -s https://raw.githubusercontent.com/gdi3d/mute-spotify-ads-mac-osx/master/NoAdsSpotify.sh | grep "CURRENT_VER=" | head -n1 | awk -F '=' '{print $2}')

if [ $CURRENT_VER -ne $LATEST_VER ]; then
    read -n 1 -p "A new version is available, will you like to update? [y/N]" update
    if [ -n "$update" ]; then
        if [ $update == "y" ]; then
            curl https://raw.githubusercontent.com/gdi3d/mute-spotify-ads-mac-osx/master/NoAdsSpotify.sh > $INSTALLATION_DIR/NoAdsSpotify.sh
            echo "Update finish. 🥳"
            RELAUNCH="/bin/bash ${INSTALLATION_DIR}/NoAdsSpotify.sh {$1}"
            exec ${RELAUNCH}
        else
            echo
            echo "Skiping update... ☹️"
        fi
    else
        echo
        echo "Skiping update... ☹️"
    fi
fi

echo echo "Spotify Ads will be silenced while this program is running!. (This works ONLY with the Spotify App, not the web version)" echo "This program was downloaded from https://gdi3d.github.io/mute-spotify-ads-mac-osx/ (check for documentation)" echo echo "If the program is not working properly please open an issue at: https://github.com/gdi3d/mute-spotify-ads-mac-osx/issues/new" echo echo "Press control+c to close this program or close the terminal window" echo

Regex of events that will tell us that a new song/ad is playing

SPOTIFY_EVENT_CATALINA="com.spotify.client.+nowPlayingItem.+{" SPOTIFY_EVENT_MOJAVE="com.spotify.client.+playbackQueue.+{"

Regex to detec ads

AD_REG="albumName = \"\";" SONG_REG="albumName = (\w+|\".+\");"

EVENT_PRESENT=0 # switch to 1 when a the regex SPOTIFY_EVENT_xxxx matches CURRENT_VOLUME=$(osascript -e "output volume of (get volume settings)") AD_DETECTED=0 # switch to 1 when an ad is playing

Set vars to prevent double print on alerts

MSG_AD_ECHOED=0 MSG_SONG_PLAYING_ECHOED=0

LOG_ARGUMENTS_PROCESS=--process="mediaremoted" LOG_ARGUMENTS_TYPE=--type="log" LOG_ARGUMENTS_COLOR=--color="none" LOG_ARGUMENTS_STYLE=--style="compact" LOG_ARGUMENTS_PREDICATE=--predicate='eventMessage contains[cd] "spotify.client"' LOG_ARGUMENTS=( "$LOG_ARGUMENTS_PROCESS" "$LOG_ARGUMENTS_COLOR" "$LOG_ARGUMENTS_TYPE" "$LOG_ARGUMENTS_STYLE" "$LOG_ARGUMENTS_PREDICATE" )

log stream "${LOG_ARGUMENTS[@]}" | \ while read STREAM_LINE do

check for OS version and look for the event that tell us that

    # a new song/ad is playing
    if [ $OSX_VERSION -ge $OS_CATALINA ]; then
        if grep -q -E "$SPOTIFY_EVENT_CATALINA" <<< "$STREAM_LINE"; then
            EVENT_PRESENT=1

            # We should only store the volume value while a song is playing
            # otherwise we'll be storing the volume value setted for the ad playback (low volume)
            if [ $AD_DETECTED -eq 0 ]; then
                CURRENT_VOLUME=$(osascript -e 'tell application "Spotify" to set A to sound volume')
            fi
        fi
    elif [ $OSX_VERSION -eq $OS_MOJAVE ]; then
        if grep -q -E "$SPOTIFY_EVENT_MOJAVE" <<< "$STREAM_LINE"; then
            EVENT_PRESENT=1

            # We should only store the volume value while a song is playing
            # otherwise we'll be storing the volume value setted for the ad playback (low volume)
            if [ $AD_DETECTED -eq 0 ]; then
                CURRENT_VOLUME=$(osascript -e 'tell application "Spotify" to set A to sound volume')
            fi
        fi
    else
        # We won't be searching for the event that's about to trigger
        # the ad since it's not present on this version of the OSX.
        # Related to: https://github.com/gdi3d/mute-spotify-ads-mac-osx/issues/2
        EVENT_PRESENT=1

        # We should only store the volume value while a song is playing
        # otherwise we'll be storing the volume value setted for the ad playback (low volume)
        if [ $AD_DETECTED -eq 0 ]; then
            CURRENT_VOLUME=$(osascript -e 'tell application "Spotify" to set A to sound volume')
        fi
    fi

    # Check if it's a song or an Ad and change the volume when needed
    if [ $EVENT_PRESENT -eq 1 ]; then
        if grep -q -E "$AD_REG" <<< "$STREAM_LINE"; then

            if [ $MSG_AD_ECHOED -eq 0 ]; then
                MSG_AD_ECHOED=1
                # We found and Ad OMG!! Let turn the volume way down!
                echo ">> 🔇 Ad found! Your volume will be set all the way down now until the next song!"
            fi

            osascript -e 'tell application "Spotify" to set sound volume to 1'

            AD_DETECTED=1
            EVENT_PRESENT=0
            MSG_SONG_PLAYING_ECHOED=0

        elif grep -q -E "$SONG_REG" <<< "$STREAM_LINE"; then

            if [ $MSG_SONG_PLAYING_ECHOED -eq 0 ]; then
                # Ad is gone. Restore volume!
                MSG_SONG_PLAYING_ECHOED=1
                echo ">> 🔈 Songs are playing 😀🕺💃. Audio back to normal"

            else
                CURRENT_VOLUME=$(osascript -e 'tell application "Spotify" to set A to sound volume')
            fi

            osascript -e 'tell application "Spotify" to set sound volume to '$CURRENT_VOLUME

            AD_DETECTED=0
            EVENT_PRESENT=0
            MSG_AD_ECHOED=0
        fi
    fi
done

echo an error message before exiting on error

trap 'echo ">>> ⛔️ 👎 Oops! Something failed and the program is not running. Please open a new issue at: https://github.com/gdi3d/mute-spotify-ads-mac-osx/issues/new and copy and paste the whole output of this window into so I can fix it."' EXIT

gdi3d / mute-spotify-ads-mac-osx

MuteSpotifyAds #21