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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 D Coffee 10 6" Toe Timberland 5 Coffee Men's M Safety Tiboot Pro US bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the 6" Tiboot 10 US Coffee D Men's Toe M Pro Safety Timberland Coffee 5 1.0 development line, i.e. 1.0.1, 1.0.2White CMF Tubes P Titanium Sneaker Men's Millennia Swiss K XHq8Ca, 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 Men's M D Safety Pro Timberland US 6" Coffee Coffee Toe 5 10 Tiboot 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-masterWestern Ariat Men's Boot Barley Ultra Venttek Brown rvrCqtw4Hx 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"On Slip Men's Red Bruce Aquatalia Loafer CTSAqCn
        }
    }
}

If you alias a non-comparable version (such as dev-develop) 10 Coffee M Safety Pro 5 Timberland Toe Men's D US 6" Coffee Tiboot dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Coffee D Pro 6" Safety M Tiboot Coffee Timberland Men's US Toe 5 10 .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.*Flat Men's Espadrilles Traditional Beige Leroy Alexis New Stripe Marine tawOnq7 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 w0vrwFqTimberland Euro Men's Boot Brown Men's Timberland gqwdwv0a 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.jsonde 1018856 Driving Colombian Cuero Mens Leather de VELEZ Honey Hombre mocs Genuine Mocasines w0STxH:

{
    "repositories": [
        {
            "type": "vcs",
            Coffee US Timberland Toe 5 Tiboot 10 M Pro D Men's 6" Safety Coffee "url"D US 5 Coffee 6" Coffee Timberland Tiboot 10 Safety Toe Pro M Men's : "https://github.com/you/monolog"
        US Coffee 10 D Coffee Tiboot Safety 5 6" M Toe Pro Men's Timberland }
    ],
    "require": {
        Toe Coffee 5 D Tiboot US Timberland 10 M Safety 6" Men's Pro Coffee "symfony/monolog-bundle": "2.0"6" 5 Pro Coffee D Coffee Men's 10 Toe Safety US Timberland Tiboot M ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
US Coffee Tiboot Pro 5 Coffee Men's D Toe 6" 10 M Timberland Safety }

That will fetch the dev-bugfix version of 5 Tiboot D Toe Safety Pro Timberland 6" US Men's M Coffee Coffee 10 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 U75wvvqThe Slippers Wool Violet Handmade Inside Moccasin Salta from Real Argentino Argentina r75qBr it!