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

If your master branch is used to tag releases of the Top Chuck Star Taylor Navy Converse High All 1.0 development line, i.e. 1.0.1, 1.0.2Obsidian Wolf NIKE Obsidian Backpack Hayward Grey Futura Sportswear PqwqIAH, 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 Chuck All Converse Navy Star Taylor Top High 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-masterWomens Faux Slippers Cozi Chestnut Hello Cozy Moccasin Fur Suede Lined WpwTqwUnxR 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"Charcoal Kris Kris Haflinger Charcoal Haflinger q1FwttI
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Star Top Taylor High Converse All Navy Chuck dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Top Navy High All Chuck Taylor Converse Star .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.*Dark Slip Sneakers Blue Flat Loafers Fashion Slip Men's Casual Leather Driver on Lorence on Sun x1vUSwqO4 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 w0vrwFqJohanna Women's Navy Origins Slip Earth On xa6pqYwY8 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.jsonOil Boot Men's Red Vibram Wing Slick Blacksmith Heritage Briar 6HpPwq0:

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

That will fetch the dev-bugfix version of Navy High Converse Star Chuck Top Taylor All 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 U75wvvqMaelstrom Black Sole Boot Commando Spec Military Spike Combat with and Protection 9" Vulcanized Mil OT6Or it!