[critical] install.lock removed after cloudron reboot

[tobiasb]

This can happen in this step:

=>  PREV_DOLIBARR_VERSION=`php /app/code/htdocs/install/get-version.php`

Log:

2026-02-07T13:35:00Z ==> Starting Dolibarr
2026-02-07T13:35:03Z #0 /app/code/htdocs/core/class/conf.class.php(561): DoliDBMysqli->query()
2026-02-07T13:35:03Z #1 /app/code/htdocs/install/get-version.php(28): Conf->setValues()
2026-02-07T13:35:03Z #2 {main}
2026-02-07T13:35:03Z PHP Fatal error:  Uncaught Error: Call to a member function query() on false in /app/code/htdocs/core/db/mysqli.class.php:355

A shell script with set -e stops when If an error occurs. The script does not have an error handling in such cases, therefore the lock file is still in /tmp.

With error handling

trap 'echo "Houston we have problem"; [[ -f /tmp/install.lock ]] && mv /tmp/install.lock /app/data/dolibarr/install.lock; exit 1' ERR