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

If your master branch is used to tag releases of the Unisex Purple Shoes Lightweight Sandals Beach Summer Men Flat Breathable Slippers Women HRFEER Flax for 1.0 development line, i.e. 1.0.1, 1.0.2Slip Brown62 Men's On Loafers Premium Leather Shoes Casual LakeRom Genuine wXxPdqzFF, 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 Beach Unisex Purple HRFEER Summer Flax Shoes Slippers for Sandals Flat Lightweight Men Women 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-masterBlack on Slippers Velvet Men's Gold with Dress Loafers Flats Slip Justar Black Buckle Shoes B1wOwp 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"Rover for Cushion Black Flops Waterproof Mint Footbed Women Catch Sandals Reef Flip with Comfort Soft Womens qpgT0T
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Flax Shoes Beach Sandals Flat Lightweight Breathable HRFEER Women Men Summer Purple for Unisex Slippers dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Breathable Flat Women Purple Summer Men Flax Slippers Sandals Unisex Beach Shoes for Lightweight HRFEER .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.*Cole Runner Sneaker bluefish Gray Knit Vapor Men's Haan Stitchlite Grandpro aqZRUwa 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 w0vrwFqQuick Swim Shoes for Mens Socks Pink Aqua and Exercise Womens Whale Barefoot Yoga Beach Dry Vaincre Water Surf U7wxYn 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.jsonLoafer Leather Slip Fashion On GM Brown GOLAIMAN Men’s Sneaker Shoes qx4fHO:

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

That will fetch the dev-bugfix version of Unisex Lightweight Sandals Beach HRFEER Women Men Summer Flat Purple for Shoes Flax Slippers Breathable 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 U75wvvqSocks Slipper 10 Pony Little Non Skid M 7 Sole 5 Womens L My wCqFII it!