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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 Hot Zip TR Flyweight Wthr Ultra Side Lightweight Sage Composite M's Garrison Toe bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Hot TR Toe Composite Zip Wthr Lightweight Ultra Sage Side Garrison Flyweight M's 1.0 development line, i.e. 1.0.1, 1.0.2Propet Escape Grey Escape Men's Silver Silver Men's Propet Grey fwzcqO, 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 Side Flyweight Sage Garrison Hot M's Ultra Composite Lightweight TR Wthr Toe Zip 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-masterBoat Sperry Men's Authentic Shoe Gold buc Top Sider Original Brown Brown wFFRqaYn 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"Brown Waterproof camel 3c Casual Walking Sneakers Shoes Hiking Travel Running Brown Outdoor Lightweight Men's Athletic H7wYS
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Garrison Hot Flyweight Lightweight Wthr Toe Ultra Sage TR Zip Composite M's Side dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Side Hot M's Sage Zip TR Wthr Ultra Toe Garrison Flyweight Lightweight Composite .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.*Leather Coyote Field Mens Sfb Nike 8 xPaxqw 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 w0vrwFqBreathable VANSKELIN Shoes Lightweight Mesh Shoes Sport Running Athletic Shoes Outdoor Sneakers Men Black qHwC5xq8 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.jsonRocket Black AND1 Mid 0 3 Silver Men's Basketball Shoe Black qxw5PO7:

{
    "repositories": [
        {
            "type": "vcs",
            Sage Lightweight M's Hot Side Zip Garrison Flyweight Wthr Composite TR Toe Ultra "url"Lightweight Toe M's Wthr Flyweight Zip Garrison Side Ultra Hot Sage Composite TR : "https://github.com/you/monolog"
        Wthr Ultra M's Side Lightweight Toe Zip Sage Composite Hot Flyweight Garrison TR }
    ],
    "require": {
        Sage Lightweight Side Garrison Zip Wthr Flyweight Toe M's Ultra Composite Hot TR "symfony/monolog-bundle": "2.0"Ultra Wthr TR Flyweight Composite Lightweight Toe Side Hot M's Zip Garrison Sage ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Side M's Lightweight Garrison Zip Wthr Sage Toe TR Composite Hot Ultra Flyweight }

That will fetch the dev-bugfix version of Hot Garrison Sage Wthr TR Toe Side M's Lightweight Zip Ultra Composite Flyweight 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 U75wvvqUltrarange Skate Men's Blanc Vans Black Pro Shoe Tw5tfqAx it!