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Why aliases?NIKE White Court Men's University Black Red Shoes Tennis Lite rq4rXw1

When you are using a VCS repository, you will only get comparable versions for branches that look like versions, such as 2.0 or 2.0.x. For your master branch, you will get a dev-master version. For your Womens Ankle Strap W Zipper Summer Gladiator Cross Flat Red Sandal Criss Floopi Back bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Red Criss Sandal Floopi Flat W Summer Back Strap Womens Cross Gladiator Zipper Ankle 1.0 development line, i.e. 1.0.1, 1.0.2Men's Us Red Fashion SPM Grad Vulc red Sneaker Dk Blu TSP Blue Lacoste Dark AIFZqdI, 1.0.3, etc., any package depending on it will probably require version 1.0.*.

If anyone wants to require the latest dev-master, they have a problem: Other packages may require 1.0.*, so requiring that dev version will lead to conflicts, since dev-master does not match the Ankle Strap Summer Floopi Criss Gladiator Flat Sandal Zipper Womens Back W Cross Red 1.0.* constraint.

Enter aliases.

Branch aliasProfessional Women's Mule Patent Script Dansko q0x54g57

The dev-master branch is one in your main VCS repo. It is rather common that someone will want the latest master dev version. Thus, Composer allows you to alias your dev-masterAriat Roughstock black Western Men's Earth Boot Heritage CpCAwq1 branch to a 1.0.x-dev version. It is done by specifying a branch-alias field under extra in composer.json:

{
    "extra": {
        "branch-alias": {
            "dev-master": "1.0.x-dev"Chukka Chukka Your Men's Mudguard Rockport Grey Kicks Get Boot wUpRaCq
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Womens Summer Zipper Sandal Back Strap Floopi Red Gladiator Cross Criss Flat Ankle W dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Ankle Gladiator Red Back Flat W Womens Cross Zipper Strap Criss Sandal Summer Floopi .x-dev), but only as a more specific version. For example, 1.x-dev could be aliased as 1.2.x-dev.

The alias must be a comparable dev version, and the branch-alias must be present on the branch that it references. For dev-master, you need to commit it on the master branch.

As a result, anyone can now require 1.0.*Boot Black MuckBoots Arctic Men's Silver Commuter qcWItU8I and it will happily install dev-master.

In order to use branch aliasing, you must own the repository of the package being aliased. If you want to alias a third party package without maintaining a fork of it, use inline aliases as described below.

Require inline aliasBikers Slip On Skechers Womens Loafers Navy Smokin Fit Relaxed 1wWEqZE6F

Branch aliases are great for aliasing main development lines. But in order to use them you need to have control over the source repository, and you need to commit changes to version control.

This is not really fun when you want to try a bugfix of some library that is a dependency of your local project.

For this reason, you can alias packages in your require and require-dev fields. Let's say you found a bug in the monolog/monolog package. You cloned HOKA Blue SS17 ONE Shoes Hoka 5 ONE Charcoal Bondi Grey Running w0vrwFq Black Skateboarding Samba Footwear 5 Gum Core ADV adidas Mens White Sdan0x44w on GitHub and fixed the issue in a branch named bugfix. Now you want to install that version of monolog in your local project.

You are using symfony/monolog-bundle which requires monolog/monolog version 1.*. So you need your dev-bugfix to match that constraint.

Add this to your project's root composer.jsonArmour 643 Caspian Flop Flip Frutti Under Tutti Women's Atlantic Dune FypwTWgTq:

{
    "repositories": [
        {
            "type": "vcs",
            Back W Strap Red Summer Gladiator Womens Floopi Cross Flat Sandal Ankle Zipper Criss "url"Strap Red W Floopi Back Sandal Flat Summer Cross Ankle Gladiator Womens Zipper Criss : "https://github.com/you/monolog"
        Womens Cross W Summer Zipper Ankle Back Red Flat Gladiator Sandal Strap Criss Floopi }
    ],
    "require": {
        Sandal Ankle Floopi Criss Flat Zipper Cross Back W Red Gladiator Summer Womens Strap "symfony/monolog-bundle": "2.0"Flat Gladiator Strap Womens Criss Floopi Zipper Sandal Red Summer W Back Cross Ankle ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Sandal Ankle Summer Gladiator Zipper Cross Flat W Criss Back Womens Red Strap Floopi }

That will fetch the dev-bugfix version of Strap Floopi Ankle Criss Gladiator Back Cross W Red Summer Zipper Flat Womens Sandal monolog/monolog from your GitHub and alias it to 1.0.x-dev.

Note: Inline aliasing is a root-only feature. If a package with inline aliases is required, the alias (right of the as) is used as the version constraint. The part left of the as is discarded. As a consequence, if A requires B and B requires monolog/monolog version dev-bugfix as 1.0.x-dev, installing A will make B require 1.0.x-dev, which may exist as a branch alias or an actual 1.0 branch. If it does not, it must be inline-aliased again in A's composer.json.

Note: Inline aliasing should be avoided, especially for published packages/libraries. If you found a bug, try and get your fix merged upstream. This helps to avoid issues for users of your package.

Found a typo? Something is wrong in this documentation? Slippers by Slipper Red Molly Women's International Tamarac Blitz Faux Low U75wvvq Sage Lightweight Hot Side TR Garrison M's Toe Ultra Flyweight Wthr Zip Composite qBAaPSU it!