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# RPM information extension for PHP
Retrieve RPM information from PHP code using librpm.
This extension can be considered as stable, and be used on production environement.
----
# Sources
* Official git repository: https://git.remirepo.net/cgit/tools/php-rpminfo.git/
* Mirror on github for contributors: https://github.com/remicollet/rpminfo
# Build
You need the rpm development files (rpm-devel) version >= 4.13.
From the sources tree
$ phpize
$ ./configure --enable-rpminfo
$ make
$ make test
From https://pecl.php.net/ using pecl command
$ pecl install rpminfo
From https://packagist.org/ using PHP Installer for Extensions
$ pie install remi/rpminfo
----
# Usage
## rpmvercmp
int rpmvercmp(string evr1, string evr2);
Allow to compare 2 EVR (epoch:version-release) strings. The return value is < 0 if evr1 < evr2, > 0 if evr1 > evr2, 0 if equal.
$ php -a
php > var_dump(rpmvercmp("1.0", "1.1"));
int(-1)
php > var_dump(rpmvercmp("1:1.0", "1.1"));
int(1)
## rpminfo
rpminfo(string path [, bool full [, string &error]]): array;
Retrieve information from a rpm file, reading its metadata.
If given `error` will be used to store error message instead of raising a warning.
The return value is a hash table, or false if it fails.
$ php -a
php > print_r(rpminfo("tests/bidon.rpm"));
Array
(
[Name] => bidon
[Version] => 1
[Release] => 1.fc25.remi
[Arch] => x86_64
)
php > print_r(rpminfo("tests/bidon.rpm", true));
Array
(
[Headeri18ntable] => C
[Sigsize] => 2304
[Sigmd5] => 644819c3566819b1e10a5c97943de094
[Sha1header] => 0a86742fe53973ac9ab4611187a83ffb44f1de5a
[Sha256header] => 9aab7242a80212ad1fe4fdd3b250c0c4f176c0b3fb1355c0d62ff094fc3f7da0
[Name] => bidon
[Version] => 1
[Release] => 1.fc25.remi
[Summary] => Bidon
[Description] => A dummy package
...
[IsSource] =>
)
php > var_dump(rpminfo("missing.rpm"));
Warning: rpminfo(): Can't open 'missing.rpm': No such file or directory in php shell code on line 1
bool(false)
php > var_dump(rpminfo("missing.rpm", false, $error));
bool(false)
php > echo $error;
Can't open 'missing.rpm': No such file or directory
## rpmdbinfo
rpmdbinfo(string path [, bool full ]): array;
Retrieve information from rpm database about an installed package.
The return value is an array of hash tables, or false if it fails.
$ php -a
php > print_r(rpmdbinfo("php"));
Array
(
[0] => Array
(
[Name] => php
[Version] => 7.3.5
[Release] => 1.fc31.remi
[Summary] => PHP scripting language for creating dynamic web sites
[Arch] => x86_64
)
)
Retrieve information from rpm database about installed packages using glob or regex.
The return value is an array of hash tables, or false if it fails.
$ php -a
php > print_r(rpmdbsearch("php-pecl-r*", RPMTAG_NAME, RPMMIRE_GLOB));
Array
(
[0] => Array
(
[Name] => php-pecl-radius
[Version] => 1.4.0
[Release] => 0.10.b1.fc31
[Summary] => Radius client library
[Arch] => x86_64
)
[1] => Array
(
[Name] => php-pecl-redis5
[Version] => 5.2.0
[Release] => 1.fc31.remi.7.3
[Summary] => Extension for communicating with the Redis key-value store
[Arch] => x86_64
)
[2] => Array
(
[Name] => php-pecl-rpminfo
[Version] => 0.2.3
[Release] => 1.fc31.remi.7.3
[Summary] => RPM information
[Arch] => x86_64
)
)
$ php -a
php > print_r(rpmdbsearch("^php-pecl-r", RPMTAG_NAME, RPMMIRE_REGEX));
Array
(
[0] => Array
(
[Name] => php-pecl-radius
[Version] => 1.4.0
[Release] => 0.10.b1.fc31
[Summary] => Radius client library
[Arch] => x86_64
)
[1] => Array
(
[Name] => php-pecl-redis5
[Version] => 5.2.0
[Release] => 1.fc31.remi.7.3
[Summary] => Extension for communicating with the Redis key-value store
[Arch] => x86_64
)
[2] => Array
(
[Name] => php-pecl-rpminfo
[Version] => 0.2.3
[Release] => 1.fc31.remi.7.3
[Summary] => RPM information
[Arch] => x86_64
)
)
$ php -a
php > print_r(rpmdbsearch(PHP_BINARY, RPMTAG_INSTFILENAMES));
Array
(
[0] => Array
(
[Name] => php-cli
[Version] => 7.3.15
[Release] => 1.fc31.remi
[Summary] => Command-line interface for PHP
[Arch] => x86_64
)
)
## rpmexpand
rpmexpand($text): string
Retrieve expanded value of a RPM macro
$ php -a
php > var_dump(rpmexpand("%{?fedora:Fedora %{fedora}}%{?rhel:Enterprise Linux %{rhel}}"));
string(9) "Fedora 41"
## rpmexpandnumeric
rpmexpandnumeric($text): int
Retrieve numerical value of a RPM macro
$ php -a
php > var_dump(rpmexpandnumeric("%__isa_bits"));
int(64)
## rpmdefine
rpmdefine($text): bool
Define or change a RPM macro value.
For example, can be used to set the Database path and backend
$ mock -r almalinux-8-x86_64 init
...
$ mock -r fedora-41-x86_64 init
...
$ php -a
php > // use an old database (bdb) from an EL-8 chroot
php > rpmdefine("_dbpath /var/lib/mock/almalinux-8-x86_64/root/var/lib/rpm");
php > rpmdefine("_db_backend bdb_ro");
php > var_dump(rpmdbinfo("almalinux-release")[0]["Summary"]);
string(22) "AlmaLinux release file"
php > // use a new database (sqlite) from a Fedora-41 chroot
php > rpmdefine("_dbpath /var/lib/mock/fedora-41-x86_64/root/usr/lib/sysimage/rpm");
php > rpmdefine("_db_backend sqlite");
php > var_dump(rpmdbinfo("fedora-release")[0]["Summary"]);
string(20) "Fedora release files"
----
# LICENSE
Author: Remi Collet
This extension is licensed under [The PHP License, version 3.01](http://www.php.net/license/3_01.txt)
-----
# History
Created as a PoC, for fun, see history on
https://blog.remirepo.net/post/2018/01/26/About-repomanage-performance-regression
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