rpmdefine

rpmdefine

Define or change a RPM macro value

bool **rpmdefine** string $text

Define or change a RPM macro value.

This can be used to select the database path and backend to use instead of system default one.

textMacro name, options, body.

return.success

Voorbeeld: A example

<?php
// use an old database (bdb) from an EL-8 chroot
rpmdefine("_dbpath /var/lib/mock/almalinux-8-x86_64/root/var/lib/rpm");
rpmdefine("_db_backend bdb_ro");
print_r(rpmdbinfo("almalinux-release")[0]["Summary"]);

// use a new database (sqlite) from a Fedora-41 chroot
rpmdefine("_dbpath /var/lib/mock/fedora-41-x86_64/root/usr/lib/sysimage/rpm");
rpmdefine("_db_backend sqlite");
print_r(rpmdbinfo("fedora-release")[0]["Summary"]);
?>

AlmaLinux release file
Fedora release files

rpmexpand``rpmdbinfo