preller

#!/bin/bash

# no opt    revoke everything
# f         force hide
# ff        force hide + change wp

### set the path to your worksafe image ###
WP=${HOME}/Pictures/Wallpapers/HQ2/1290661555171.jpg
### set the path to your worksafe image ###

if [ -e ${HOME}/Desktop/.hidden ] && [ "$1" != "f" ] && [ "$1" != "ff" ]; then
    chflags nohidden ${HOME}/Desktop/*
    if [ -s ${HOME}/Desktop/.hidden ]; then
        # myPic = variable for .hidden content
        osascript -e 'set myPic to do shell script "cat ~/Desktop/.hidden"
        tell application "System Events" to set picture of desktop 1 to myPic'
    fi
    rm ${HOME}/Desktop/.hidden
    echo "*** Desktop restored ***"
    exit 0
else
    chflags hidden ${HOME}/Desktop/*
    touch ${HOME}/Desktop/.hidden
    echo "*** Desktop cleared ***"
fi

if [ "$1" = "ff" ] && [ ! -s ${HOME}/Desktop/.hidden ]; then
    /usr/libexec/PlistBuddy -c "Print Background:default:ImageFilePath" ${HOME}/Library/Preferences/com.apple.desktop.plist > ${HOME}/Desktop/.hidden
    osascript << EOT
tell application "System Events" to set picture of desktop 1 to "$WP"
EOT
    echo "*** Wallpaper changed ***"
    exit 0
elif [ "$1" = "ff" ]; then
    echo "*** Wallpaper is already sfw ***"
    exit 0
fi

exit 0