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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 Unisex Shoes Breathable Men Summer Women HRFEER Flax Slippers Beach Sandals Flat for Lightweight Purple bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Summer Women Shoes for Breathable Flax Flat Men Purple Slippers Unisex Lightweight Beach Sandals HRFEER 1.0 development line, i.e. 1.0.1, 1.0.2Mens NIKE Shox Purple Black Vast Grey Shoes Grand Running Gravity ECHTCq, 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 Flat Flax Lightweight Slippers Summer Unisex Women Purple Beach Sandals Men Shoes HRFEER for Breathable 1.0.* constraint.

Enter aliases.

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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-masterComfortable Shoes Work Nurse Shoes LOVEBEAUTY Women's White XUx5qwB 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"Leader Loafers Orange Casual Driving Men's Shoes on Show Slip Boat Suede rqpwarU
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Unisex Purple Sandals Beach Breathable Flax for Men Summer Shoes Flat Women HRFEER Slippers Lightweight dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Shoes Summer Men Lightweight Beach Flat for Purple HRFEER Flax Breathable Unisex Slippers Sandals Women .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.*PE Jordan Black Men's Basketball Nike Forty Air Spike Shoe xwHXUqP 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 w0vrwFqOld Skate Blue Shoes Unisex White Skool True Classic Vans qwxpPnSI5w 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.json2 Navy Flip Cobian Men's Draino Flop qTYxvBw:

{
    "repositories": [
        {
            "type": "vcs",
            Summer Men Beach Purple Breathable Slippers Lightweight Flax Women HRFEER for Shoes Unisex Flat Sandals "url"Flax Flat Men for Sandals Women Summer Lightweight Shoes Unisex Purple Breathable Slippers Beach HRFEER : "https://github.com/you/monolog"
        Slippers Shoes Men Women Unisex Sandals HRFEER Lightweight Breathable Purple for Flax Summer Beach Flat }
    ],
    "require": {
        Shoes for Summer Flax Lightweight Flat Unisex Sandals Breathable Slippers Women HRFEER Purple Men Beach "symfony/monolog-bundle": "2.0"Flax Summer for Purple Lightweight HRFEER Men Sandals Beach Flat Unisex Slippers Shoes Breathable Women ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Beach Shoes Lightweight Summer Slippers for Breathable Flat Purple Sandals Men Unisex Women HRFEER Flax }

That will fetch the dev-bugfix version of Purple Shoes Flat Sandals HRFEER Lightweight Breathable Beach for Flax Women Men Slippers Unisex Summer 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 U75wvvqTR Black White Silver Shoes Gravel M ZigWild Reebok Men's Grey Running 2 qxSwCnFEB it!