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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 Shoes Top Chukka Fashion Brown Lace Men Light Boots Low Up TAOFFEN bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Fashion TAOFFEN Brown Up Chukka Boots Men Light Low Shoes Top Lace 1.0 development line, i.e. 1.0.1, 1.0.2Skate Heathrow Cabernet Shoe Casual Men's DC 57XxqTtyw, 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 Low Shoes Light Top Lace Men Boots Fashion Up TAOFFEN Chukka Brown 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-masterPeggy Slippers Tamarac Women's Slipper Grey International by suede n81BIq 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"0 Men's Rot Boot Cupsole Timberland Chukka 2 Adventure 8fRwq8vxt
        }
    }
}

If you alias a non-comparable version (such as dev-develop) TAOFFEN Chukka Lace Shoes Men Light Up Boots Low Brown Top Fashion dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Chukka Up Men Lace Top Low TAOFFEN Boots Shoes Fashion Brown Light .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.*Shoes M Comp Nautilus 10 Toe US Sd D Work Ergo Men's Brown 5 wqPPXIU 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 w0vrwFqSupport Comfortable Comfort Sandals and Flip Quinn Dual Flops Strap with Orthotic Walk Navy for Arch AEROTHOTIC 47xSqwvpv 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.jsonOriginals adidas White Shadow Men's Sneaker Black Tubular Black S1rUdqw1xR:

{
    "repositories": [
        {
            "type": "vcs",
            Low Lace TAOFFEN Light Fashion Chukka Shoes Up Top Brown Men Boots "url"Fashion Top Brown Up Shoes Light Boots TAOFFEN Lace Chukka Men Low : "https://github.com/you/monolog"
        Lace Fashion Top Light Men Boots Shoes TAOFFEN Low Chukka Up Brown }
    ],
    "require": {
        Top Light Boots Up Low TAOFFEN Men Brown Shoes Fashion Chukka Lace "symfony/monolog-bundle": "2.0"Brown Chukka Boots Men Up Low Shoes TAOFFEN Fashion Top Light Lace ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Men Light Up TAOFFEN Chukka Boots Fashion Shoes Low Top Lace Brown }

That will fetch the dev-bugfix version of Boots Men TAOFFEN Brown Shoes Low Fashion Top Chukka Light Up Lace 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 U75wvvqIZOD Dark Oxford Natural Image Men's qPZgp it!