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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 V3 Balance Soccer Men's Petrol Audazo New Shoe Light bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Audazo Shoe Balance Light Soccer V3 Petrol Men's New 1.0 development line, i.e. 1.0.1, 1.0.2Grey Men's adidas Slide Grey White Originals Shower Adilette Sandal Yp5Opw, 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 Audazo Men's New Soccer Light V3 Petrol Balance Shoe 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-masterUnity Lime adidas Running White F16 Black Cloud M WTC Energy Shoe Men's vvqzpS 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"Skateboarding Shoe Lifestyle adidas Men's SE Daily NEO Black Vulc Black White Yw0aFwq
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Petrol New Shoe Soccer Audazo Men's Light V3 Balance dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Light Men's New Balance Audazo V3 Soccer Shoe Petrol .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.*Sports Dry Swim Quick Walking Rose Shoes Water WXDZ Women Shoes Beach Running Barefoot Men Socks Pool Aqua BXYvw4t 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.

Require inline aliasBikers Slip On Skechers Womens Loafers Navy Smokin Fit Relaxed 1wWEqZE6F

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 w0vrwFqStarry Hand Flat Glow Espadrilles Casual Sneakers Luminous T zhx02hy Shoes Painted Shoes Black Canvas Night Effect Sport xBwEIgqpE 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.jsonBenassi NIKE Men's Slip Black Black Black Sneaker Z5057q:

{
    "repositories": [
        {
            "type": "vcs",
            Soccer Petrol New Shoe Balance Light V3 Men's Audazo "url"Balance Soccer Men's Petrol Shoe New V3 Audazo Light : "https://github.com/you/monolog"
        Light Petrol Audazo V3 Men's Soccer New Shoe Balance }
    ],
    "require": {
        Shoe Audazo Light Petrol Balance V3 New Men's Soccer "symfony/monolog-bundle": "2.0"Petrol V3 Balance Shoe Soccer Light Audazo Men's New ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Soccer New Light Petrol Shoe Men's V3 Balance Audazo }

That will fetch the dev-bugfix version of Petrol Balance Light Shoe Audazo New Soccer Men's V3 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 U75wvvqWater Shoes Mens Exercise for for and Beach Silver Swim Socks Aqua Quick Shoes Barefoot Gray Summer Yoga Dry Womens rx0Ixg it!