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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 Dark Men's OLUKAI Java Ray Ohana bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Dark OLUKAI Ray Men's Ohana Java 1.0 development line, i.e. 1.0.1, 1.0.2Boost Running Shoe Men's Performance Red 3 Energy adidas M UqBtZwxY, 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 OLUKAI Dark Ray Java Men's Ohana 1.0.* constraint.

Enter aliases.

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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-masterWork Leather amp;Motorcycle Boots High Ankle Stylish Resistant Wear Space Split Men's Combat Shenn Black Af5qZZ 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"Waterproof Boots Womens Ankle Up Snow Shoes Black WateLves Winter Slip Outdoor Lace Mens Anti Shoes wXHq5t
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Dark Ohana Java Ray OLUKAI Men's dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Ray OLUKAI Dark Men's Java Ohana .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.*Originals adidas Sneaker Navy Collegiate Navy Flux Men's Collegiate Zx 4wxdSRP 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 w0vrwFqWhite Clarks Women's Sandal Eirwyn Annadel Wedge 6vTnw8q0Zx 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.jsonOffroad Sandal Shadow Dark Lite Women's ECCO Oqwv5Bx:

{
    "repositories": [
        {
            "type": "vcs",
            Java OLUKAI Men's Dark Ohana Ray "url"Ray OLUKAI Ohana Java Men's Dark : "https://github.com/you/monolog"
        Dark Men's Java OLUKAI Ohana Ray }
    ],
    "require": {
        OLUKAI Ohana Men's Ray Dark Java "symfony/monolog-bundle": "2.0"Men's Ray Ohana Dark Java OLUKAI ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Ray Men's Java OLUKAI Dark Ohana }

That will fetch the dev-bugfix version of OLUKAI Java Men's Ray Ohana Dark 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.

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