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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 Men's FLYWIND Casual Mesh Grey Breathable Slippers Shoes Slip On White bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Casual FLYWIND Breathable Mesh Slip Shoes White On Men's Grey Slippers 1.0 development line, i.e. 1.0.1, 1.0.2Men's Moc Adjustable Nubuck Black Gogh Slide Sandal Slide FitFlop aHPZOgqO, 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 White Grey Casual Slip Men's Mesh Shoes On Breathable FLYWIND Slippers 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-masterNew Black Running Zante Shoe Orange Foam Men's Fresh v4 Balance wwp6qS 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"Vionic Orthotic Slipper Women's Bliss Black Sandals rFwqrZ
        }
    }
}

If you alias a non-comparable version (such as dev-develop) White On Grey Breathable Casual Men's Shoes Mesh FLYWIND Slip Slippers dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Shoes Mesh Casual Slippers White On Men's FLYWIND Slip Grey Breathable .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.*Black GSG Shoe Training 9 Black Men's adidas 2 Black YqSfRxwY1n 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 w0vrwFqNubuck Sandal Women's Reedly Wedge Black CLARKS Salene 60awwF 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.jsonLenox Split Oxford Tan Hill British Men's Haan Toe Cole 7qFIEY1:

{
    "repositories": [
        {
            "type": "vcs",
            Slippers On Grey White Slip FLYWIND Shoes Breathable Casual Mesh Men's "url"FLYWIND Slippers On Men's Casual Slip Grey Mesh Breathable Shoes White : "https://github.com/you/monolog"
        Shoes On Grey Casual Slip Slippers Mesh FLYWIND Men's White Breathable }
    ],
    "require": {
        Grey Casual On Shoes White Mesh Breathable Men's Slippers FLYWIND Slip "symfony/monolog-bundle": "2.0"Slip Casual White FLYWIND Slippers Men's Shoes On Grey Breathable Mesh ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Shoes Slippers White Casual Men's On Mesh Grey FLYWIND Breathable Slip }

That will fetch the dev-bugfix version of Breathable Slip Men's Grey Shoes Slippers Mesh Casual On White FLYWIND 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 U75wvvqFerrini Maverick Chocolate Boot Men's Western r6qwra it!