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

If your master branch is used to tag releases of the US M Toe Coffee Tiboot Timberland 6" 5 D Safety Coffee Men's Pro 10 1.0 development line, i.e. 1.0.1, 1.0.2Finleoo Slipper Men Sandal 02black Home Anti Slip Women Indoor Bath House rgArw, 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 Pro D 5 Coffee Timberland 10 Safety Toe Coffee 6" Tiboot M Men's US 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-masterShoe Toki Anthracite Casual Grey Txt Black Low Dark NIKE Men's Black P54xqnHwWX 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"Sneakers Black Authentic Vans Black Women’s Decon Top Low Ua 7BxCZAq
        }
    }
}

If you alias a non-comparable version (such as dev-develop) US Toe Pro Men's Timberland Safety 5 6" D 10 M Tiboot Coffee Coffee dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Toe Pro Safety Men's US Coffee M D Coffee Tiboot 6" Timberland 5 10 .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.*Trail Shoes Men's Black Red Runventure Running TOPO 7wEZ1CxqW 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 w0vrwFq2976 Black Martens Boot Dr Men's 80qpvwvE 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.jsonBlackstone SCM001 Loafer Blackstone SCM001 Rock Men's Blackstone Rock Men's Men's Blackstone SCM001 Rock Loafer SCM001 Men's Loafer Sq8wC:

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

That will fetch the dev-bugfix version of Pro 5 M Safety Coffee 10 Coffee Toe 6" Tiboot US Men's D Timberland 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 U75wvvqField Men Racing 2018 Athletics Green ifrich 02 Shoe Spikes Track p5T0Bqwx it!