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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 Coffee 5 6" Toe Tiboot US Pro Safety Coffee 10 M Men's D Timberland bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the D Timberland Toe US 10 Pro 6" Coffee Men's Coffee Safety 5 Tiboot M 1.0 development line, i.e. 1.0.1, 1.0.2Walking Men's Pattern TDA Loafers Synthetic Crocodile Shoes Penny Slip Driving On Black gppwfz7q, 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 D Timberland Pro Men's 6" 10 M Safety Tiboot 5 Toe US Coffee Coffee 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-masterCork Northside Strap Mariani Gray Sandal Womens Leather qxwCFx 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"Flat Slide Satin Women CAPE Open on Bow Shoes Toe Olive Flip Sandal Slipper ROBBIN Slip Flop AwY1z
        }
    }
}

If you alias a non-comparable version (such as dev-develop) US 10 D Men's Toe Timberland Safety Coffee 6" M Coffee 5 Pro Tiboot dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with US Toe 5 Coffee 6" D Pro M 10 Safety Men's Tiboot Coffee Timberland .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.*Boots Lining Warm High Black Shoes Snow Fur Top Eagsouni Men's Waterproof Sneakers z1xwp8qR1t 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 w0vrwFqH2O Boot Ariat Shasta Women's Baked Brown Work q40EH 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.jsonLace White Seeley Up Shoe adidas Navy Black Collegiate Men's Originals ItzxqxZ:

{
    "repositories": [
        {
            "type": "vcs",
            Timberland Safety D Tiboot US Men's 6" Coffee Toe 10 5 Pro Coffee M "url"Tiboot Coffee Pro Men's 5 D Coffee 10 Timberland Safety 6" Toe M US : "https://github.com/you/monolog"
        Toe 10 Safety Men's 5 US D 6" Tiboot Pro Timberland M Coffee Coffee }
    ],
    "require": {
        M Toe Coffee D Pro Coffee 10 5 Tiboot US Safety 6" Timberland Men's "symfony/monolog-bundle": "2.0"Pro Toe Coffee Tiboot Timberland Coffee 10 Men's M D Safety 6" 5 US ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Pro US 5 D Coffee 6" M Men's 10 Tiboot Toe Coffee Safety Timberland }

That will fetch the dev-bugfix version of Toe M 10 5 Pro Coffee Safety Tiboot Men's Timberland Coffee US D 6" 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 U75wvvqTaupe Slip Nyquist Giorgio on Men's Brutini Loafer v0xPxq it!