rpmdefine
PHP function
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(PECL rpminfo >= 1.2.0)
Define or change a RPM macro value
Description
rpmdefine(string $text): bool
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.
Parameters
textMacro name, options, body.
Return Values
Success
Examples
A rpmdefine() example
php
<?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"]);
?>The above example will output:
output
AlmaLinux release file
Fedora release files