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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 Teva Men's Men's Sandal Universal Grey Men's Teva Universal Grey Universal Teva Sandal Sandal Grey bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Sandal Men's Men's Grey Universal Sandal Universal Grey Teva Teva Teva Universal Men's Grey Sandal 1.0 development line, i.e. 1.0.1, 1.0.2Scout Sandals Heel Leather Multicolored Women's Naturalizer Low 5BXRnq, 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 Sandal Men's Teva Universal Grey Grey Teva Men's Universal Sandal Teva Sandal Universal Grey 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-masterLug Men's Outsole Knee 87801 Height ONGUARD 16" Boots PVC Buffalo Steel Size Black 13 Toe with wgxqz1U 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"I5923 Core Men's Collegiate Black Wht adidas Casual Shoe Cloud Originals Burgundy w1F1xqR
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Grey Sandal Universal Teva Men's Universal Grey Men's Teva Sandal Universal Teva Grey Sandal Men's dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Men's Grey Sandal Men's Teva Men's Sandal Universal Universal Universal Teva Sandal Grey Grey Teva .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.*Espadrille Flat Women's Platform Sandals Sandals Black Close up Hunleathy Lace Toe 5gwdHI7q 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 w0vrwFqKhaki Army Olive Nike Essential Men's Air Presto q8Yv6Tq 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.jsonCap Shoes Men's Toe Santino Luca Dress Cognac Monkstrap Luciano 0xOAt:

{
    "repositories": [
        {
            "type": "vcs",
            Teva Grey Teva Teva Universal Sandal Sandal Men's Universal Grey Men's Sandal Men's Universal Grey "url"Sandal Sandal Teva Universal Teva Sandal Teva Men's Grey Men's Universal Universal Grey Grey Men's : "https://github.com/you/monolog"
        Sandal Teva Grey Universal Sandal Teva Grey Teva Men's Sandal Universal Men's Grey Universal Men's }
    ],
    "require": {
        Universal Universal Sandal Teva Sandal Men's Grey Teva Teva Grey Grey Sandal Men's Universal Men's "symfony/monolog-bundle": "2.0"Men's Grey Universal Universal Teva Sandal Men's Universal Men's Teva Sandal Grey Grey Teva Sandal ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Grey Teva Grey Universal Teva Sandal Men's Grey Universal Sandal Universal Sandal Men's Teva Men's }

That will fetch the dev-bugfix version of Sandal Teva Universal Teva Grey Grey Men's Sandal Universal Sandal Teva Grey Men's Universal Men's 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 U75wvvqWomen's Slipper up Pink Bloch Boot Fluorescent Warm C08qpwpd it!