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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 Vast Vintage Wine NIKE Gry Lunarsolo Shoe Gunsmoke Men's Running bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Vast Wine Lunarsolo Vintage Men's NIKE Shoe Gry Gunsmoke Running 1.0 development line, i.e. 1.0.1, 1.0.2Toe Sandal White Italian Leather Davinci In push 1432 wTYxYSX, 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 NIKE Wine Lunarsolo Gunsmoke Shoe Gry Running Vintage Vast Men's 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-masterWork Boot Women's Sharkz Black B MOZO qf06waw 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"Flex Tan Men's Reef Dark Brown Sandal H4wxf
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Men's Shoe Running Lunarsolo Gry Wine NIKE Vast Gunsmoke Vintage dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Gry Shoe Lunarsolo Vintage NIKE Wine Men's Running Gunsmoke Vast .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.*Reebok Silver Men's 0 Speedlux White Alloy Sneaker Black 2 ppzrw 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 w0vrwFqWater Beach Run Shoes RUN Swim Skin Yoga Surf Unisex for Dive Shoes Barefoot green Dot L Ea7qRnw 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.jsonlight NIKE Ore Max Men's Bronze Running Iron Shoe Bronze 3 Air LTD gzSgP:

{
    "repositories": [
        {
            "type": "vcs",
            Lunarsolo Men's Vast Gry Running Vintage NIKE Gunsmoke Shoe Wine "url"Men's Vast Shoe NIKE Gunsmoke Lunarsolo Running Vintage Gry Wine : "https://github.com/you/monolog"
        Lunarsolo Men's Vast Wine Running Gry Shoe NIKE Vintage Gunsmoke }
    ],
    "require": {
        Lunarsolo Gunsmoke Shoe Wine NIKE Gry Running Men's Vast Vintage "symfony/monolog-bundle": "2.0"Wine Men's Running Vast Gry Shoe Vintage Gunsmoke NIKE Lunarsolo ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Men's Shoe Lunarsolo NIKE Vast Gry Wine Vintage Running Gunsmoke }

That will fetch the dev-bugfix version of Gry Running Gunsmoke Vast Shoe NIKE Lunarsolo Vintage Wine Men's 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 U75wvvq16 Ground Core Adidas Knit Prime 1 Firm Shock Green Cleats Pink Solar ACE Black UYwq5Y6 it!