Allows to invoke a test-step for each commit made.

test_each.sh

#!/bin/bash
set -e

# The test invocation.
function test_step {
    echo "Updating setup.cfg..."
    sed -i -e "s/    --cov//g" setup.cfg
    py.test -k core
    git reset --hard
}

# -------------------------------------------------
branch_name=$(git symbolic-ref -q HEAD)
branch_name=${branch_name##refs/heads/}
branch_name=${branch_name:-HEAD}

commits=$(git log --pretty=format:"%h" master..HEAD)

echo "Commits being tested:"
git log --oneline master..HEAD

echo "$commits" | while read -r commit
do
    git checkout $commit
    test_step
done

git checkout $branch_name