diffTester.sh

#!/bin/sh

usage() {
    echo 'Usage: ./diffTester.sh [-b branch] [-t "path/to/my/test.json"] [-r 5] [-f London]'
}

FORK="London"
STASH="f"
while getopts "b:t:r:f::" c
do
    case $c in
        b) BRANCH=$OPTARG ;;
        t) TEST=$OPTARG ;;
        r) REPS=$OPTARG ;;
        f) FORK=$OPTARG ;;
        h|?) usage ;;
    esac
done

CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)

if ! git status | grep -q "nothing to commit"
then    
    git stash
    STASH="t"
fi

git checkout $BRANCH

npm run tester -- --state --fork=$FORK --customStateTest=$TEST --reps=$REPS

git checkout $CURRENT_BRANCH

npm run tester -- --state --fork=$FORK --customStateTest=$TEST --reps=$REPS

echo "stash" $STASH
if [ "$STASH" = "t" ]
then
    git stash pop
fi