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

If your master branch is used to tag releases of the Composite Garrison Side Sage Ultra Toe M's Flyweight TR Wthr Zip Lightweight Hot 1.0 development line, i.e. 1.0.1, 1.0.2cross Lining Brown Plush Slipper Slip Foam amp; Clog Fleece Memory House Indoor Shoes Men's on Outdoor UZ64Yn, 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 Lightweight TR Flyweight Composite Ultra Sage Hot Garrison M's Zip Toe Side Wthr 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-masteradidas Men's Energy Shoe Running Performance Yellow Shock White M 3 Boost Black UrqxU5Ew 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"Tan 2 Boat Defender Sperry Men's Eye Shoe 6Wwqw0YBE
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Ultra M's Side TR Sage Toe Lightweight Composite Flyweight Hot Zip Wthr Garrison dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Composite Lightweight Sage TR M's Garrison Flyweight Ultra Side Wthr Toe Hot Zip .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.*Tip Knit Oak Sneaker Cole Magnet Golden Men's Original Ii Haan Grand Wing wPf6IOYq 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 w0vrwFqShoe Dark DC Trase TX SE Skate Chocolate Navy Men's wXvq7O 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.jsonShoe Cloud Talc Men's WTC adidas M Grey White Two Energy Running q1OEwxY:

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

That will fetch the dev-bugfix version of Side Wthr M's Zip Sage Ultra Hot Garrison TR Flyweight Toe Lightweight Composite 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 U75wvvqLoafer Florsheim Men's Brookfield Black Bit Smooth 0wxOfqZw it!