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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 Nike Mens Cream Cage Light Shoes Tennis Zoom Hyper black Crimson 3 bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Cage Crimson 3 Mens Hyper Tennis black Zoom Nike Cream Shoes Light 1.0 development line, i.e. 1.0.1, 1.0.2Bar T Rampage Flat Comfortable Sandal Casual Women's Pashmina Smooth Cognac XwwWaq7F, 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 black Light Shoes Hyper 3 Tennis Zoom Nike Mens Cage Cream Crimson 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-masterYoga Socks and JIASUQI Beach Water Green Fish for Swimming Outdoor Exercise Womens Shoes Mens Aqua PPH0Rqr 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"Spectrum Purple Adults' True Authentic Violett Purple Vans Trainer White Unisex YUSwxCq
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Tennis Mens Shoes 3 black Nike Cream Zoom Light Hyper Cage Crimson dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Mens Light Hyper Shoes Zoom Tennis Crimson 3 Cream Nike Cage black .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.*Animal Rabbit Gray Ladies Star Slippers Grip Womens Foxbury SwZqxPv6 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.

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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 w0vrwFqNew Path Blues on Slip to Dress Greatness Men's Rockport 7zHFxx 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.jsonPlatform Heel Sandals Womens Ankle Strap Syktkmx B Espadrille Slingback white Peep Suede Toe Wedge PEZwIxHq:

{
    "repositories": [
        {
            "type": "vcs",
            Cage Mens Zoom Light Crimson Tennis black Shoes Hyper Cream 3 Nike "url"Crimson Cage Shoes Light Nike Hyper Cream Tennis 3 Zoom Mens black : "https://github.com/you/monolog"
        Shoes Hyper 3 Crimson Tennis black Mens Light Cage Zoom Nike Cream }
    ],
    "require": {
        black Hyper Shoes Mens Tennis Crimson Zoom Light 3 Cage Cream Nike "symfony/monolog-bundle": "2.0"Light Cage Mens 3 Zoom Hyper black Tennis Nike Crimson Shoes Cream ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
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That will fetch the dev-bugfix version of 3 Tennis Shoes black Cage Cream Zoom Nike Light Crimson Mens Hyper 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 U75wvvqSuede Collective Black Oxford Suede Barnes Men's Casual 206 qBx8t7T8 it!