demonstrate problem with composer vcs repo changes

test.sh

#!/bin/bash
set -e

echo "+++create basic composer.json - require goodby/csv"
cat > composer.json <<EOF
{
    "require": {
        "goodby/csv": "*"
    }
}
EOF

echo "+++install goodby/csv and dependencies"
composer install

echo "+++change composer.json to use my fork"
cat > composer.json <<EOF
{
    "repositories": [
        {
            "type": "vcs",
            "url": "https://github.com/meonkeys/csv.git"
        }
    ],
    "require": {
        "goodby/csv": "*"
    }
}
EOF

echo "+++try to update composer.lock"
composer update

echo "+++remote for goodby/csv did not change"
grep meonkeys composer.lock