Replace which with command -v in install-wp-tests.sh

[Copilot]

Addresses feedback on PR #356 regarding command availability checks in the install-wp-tests.sh template.

Changes

Replaced all which command invocations with command -v for:

• mariadb-admin checks in recreate_db() and create_db()
• mariadb check in install_db()
• curl/wget checks in download()

Rationale

command -v is POSIX-compliant and reliably validates command executability. which may return paths to non-executable files and has inconsistent behavior across systems.

Before:

if [ `which mariadb-admin` ]; then
    mariadb-admin create $DB_NAME

After:

if command -v mariadb-admin > /dev/null 2>&1; then
    mariadb-admin create $DB_NAME

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[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• example.com
  • Triggering command: /usr/bin/php /usr/bin/php /home/REDACTED/work/scaffold-command/scaffold-command/vendor/wp-cli/wp-cli/bin/../php/boot-fs.php core install --url=REDACTED --title=WP CLI Site --admin_user=admin --admin_email=admin@example.com --admin_password=password1 --skip-email (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)