Diff Sketch file with Kaleidoscope.

sketch_diff.sh

#!/usr/bin/env bash


sketchtool=/Applications/Sketch.app/Contents/Resources/sketchtool/bin/sketchtool

#echo $(python --version)

function extractSketchFile () {
    sketchFile=$1
    folder=${sketchFile%.sketch}
    unzip -q -o "${sketchFile}" -d "${folder}"

    jsons=$(find ${folder} -name *.json)
    for json in ${jsons}; do
        temp=${json%.json}.temp
        python -m json.tool ${json} > ${temp}
        mv ${temp} ${json}
    done
    
}

extractSketchFile "/Users/ashung/Desktop/1.sketch"
extractSketchFile "/Users/ashung/Desktop/2.sketch"

ksdiff "/Users/ashung/Desktop/1" "/Users/ashung/Desktop/2"

sketch_diff_2.sh

#!/usr/bin/env bash

sketchtool=/Applications/Sketch.app/Contents/Resources/sketchtool/bin/sketchtool

function unzipSketchFile () {

    file="$1"
    folder="${file%.sketch}_diff"
    
    # unzip
    unzip -q -o "${file}" -d "${folder}"
    
    # export artboard
    ${sketchtool} export artboards ${file} --use-id-for-name="YES" --overwriting="YES" --include-symbols="YES" --output="${folder}/artboards"
    
    # format json
    jsons=()
    while IFS= read -r -d $'\0'; do
        jsons+=("$REPLY")
    done < <(find "${folder}" -name "*.json" -print0)
    
    for json in "${jsons[@]}"; do
        python -m json.tool "${json}" > "${json%.json}.temp"
        mv "${json%.json}.temp" "${json}"
    done

}

unzipSketchFile "/Users/ashung/Desktop/1.sketch"
unzipSketchFile "/Users/ashung/Desktop/2.sketch"

ksdiff "/Users/ashung/Desktop/1" "/Users/ashung/Desktop/2"