(PECL rpminfo >= 1.2.0)
rpmdefine — Define or change a RPM macro value
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.
示例 #1 A rpmdefine() 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"]);
?>以上示例会输出：
AlmaLinux release file Fedora release files