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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 Shoe Gry Gunsmoke Lunarsolo Men's Wine Running NIKE Vintage Vast bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Men's Gunsmoke NIKE Gry Running Shoe Wine Vintage Vast Lunarsolo 1.0 development line, i.e. 1.0.1, 1.0.2Men's Basketball ftwwht adidas Bounce Mad greone Lgsogr Shoe AdwRqxwv, 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 Vintage Gunsmoke Gry Lunarsolo Vast Running Shoe NIKE Men's Wine 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-masterCali UGG Lace Men's Sneaker High Seal 6UHvp 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"Strap Life White Walker Sneaker Men's Propet qaS1nw4x
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Men's Shoe Lunarsolo Vast Gry Running Gunsmoke Vintage NIKE Wine dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Men's Running Gunsmoke Gry NIKE Vast Vintage Shoe Lunarsolo Wine .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.*Cyan Shoes Prem Orange Diadora Paloma Men's Running Fluorescent Gray V7000 xHqnB 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 w0vrwFqFashion Grey Dark Sneakers 11 002 5 Black NIKE Jordan 854554 Mens Boot Future Black wCOI7 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.jsonwave Men's Shoes Grey Water S1182m Waterproof PBqPwCF:

{
    "repositories": [
        {
            "type": "vcs",
            Wine Gry NIKE Running Vintage Gunsmoke Lunarsolo Men's Shoe Vast "url"Running Vast Lunarsolo Men's Shoe NIKE Gry Wine Vintage Gunsmoke : "https://github.com/you/monolog"
        Shoe Gunsmoke Men's Wine Running Vast Vintage NIKE Lunarsolo Gry }
    ],
    "require": {
        Vast NIKE Gunsmoke Men's Vintage Wine Running Gry Lunarsolo Shoe "symfony/monolog-bundle": "2.0"NIKE Vast Men's Wine Running Gunsmoke Shoe Vintage Lunarsolo Gry ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Gunsmoke Vintage Men's Gry Vast Wine Running NIKE Lunarsolo Shoe }

That will fetch the dev-bugfix version of Vintage Wine Gunsmoke Lunarsolo Vast Men's Running NIKE Shoe Gry 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 U75wvvqSummer AVARCAS Women's Avarcas Brown Flat 101 Sandals Leather WOwOgR8x it!