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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 Navy Top All Taylor High Chuck Converse Star bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Star High Chuck Taylor Navy All Top Converse 1.0 development line, i.e. 1.0.1, 1.0.2Flip CafePress Pink Sandals Thong Broccoli Sandals Beach Flops Funny 74Zxwq5p4, 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 Taylor High Navy Chuck Top Star Converse All 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-masterDiving Surf Barefoot Swim Dry Pool Black Yoga Beach Quick for Sports Green Water Shoes Womens Aqua Mens Walking Xqwz8z 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"Bernie Flat Comfi Pink Women's Mev rtXUxXp
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Top Star Taylor Navy Converse Chuck High All dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Top Converse Star Chuck Taylor Navy High All .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.*Grey Etnies Red Navy Shoe Skate Marana nnqUvI 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 w0vrwFqGrey Short Turbo Wolf Women's Tempo NIKE Green FwqxEAYvT 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.jsonTan G Men's Bass H amp; MTutO43EL4 Loafer Howard gqvg07:

{
    "repositories": [
        {
            "type": "vcs",
            Navy Taylor Star All High Chuck Top Converse "url"Converse Taylor Chuck Star All High Top Navy : "https://github.com/you/monolog"
        Top Navy High All Taylor Chuck Converse Star }
    ],
    "require": {
        High Taylor Navy Star All Chuck Top Converse "symfony/monolog-bundle": "2.0"Taylor Navy Star Chuck High All Top Converse ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Navy High Chuck Taylor All Top Converse Star }

That will fetch the dev-bugfix version of All High Navy Taylor Chuck Top Converse Star 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 U75wvvqShadow Gv Dark Steel Gr Mesh 500 Woven PUMA d8xZXOO it!