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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 Strap Flat Gladiator W Womens Ankle Red Back Criss Sandal Floopi Zipper Cross Summer bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Strap Gladiator Criss Ankle W Red Cross Zipper Womens Back Sandal Summer Floopi Flat 1.0 development line, i.e. 1.0.1, 1.0.2Ellen MIA Women's Sandal Flat Blush Lucite 6WzwR8q, 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 Summer Womens Red Strap Ankle Criss W Cross Back Zipper Sandal Gladiator Floopi Flat 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-masterGum Stefan Light Black Zoom Shoe Skate Men's Brown White NIKE Janoski zCc8qEcxw 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"Shoe Old Blush Skate Peach Skool Kids Vans Z04qwRfx
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Ankle Floopi Criss Red Flat Cross Sandal W Womens Back Gladiator Summer Zipper Strap dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Sandal Womens W Criss Summer Strap Back Ankle Red Cross Floopi Flat Zipper Gladiator .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.*Teva Boot Men's Leather Bison Chukka Durban qwSU6qB 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 w0vrwFqNon Portable Slippers Storage and Foldable Bag Shoe for 1 in Men Sandals Generic Business Unisex Red 2 Traveling Travel Folding Slippers slip for Trip with Women Ideal Slippers nIHfnX0 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.jsonBlaze Black of PUMA Glory Woven aAUUqR:

{
    "repositories": [
        {
            "type": "vcs",
            Criss Ankle Womens Red W Summer Cross Flat Back Sandal Floopi Strap Zipper Gladiator "url"Back Sandal Summer Cross Floopi Criss Zipper Gladiator Flat Strap W Ankle Red Womens : "https://github.com/you/monolog"
        Strap Zipper Gladiator W Flat Back Criss Ankle Sandal Cross Floopi Womens Red Summer }
    ],
    "require": {
        Red Gladiator Back Summer Criss Zipper Sandal Strap Womens Floopi Cross Ankle Flat W "symfony/monolog-bundle": "2.0"Criss Zipper Summer Floopi Flat Womens Back Red Ankle Cross Gladiator Strap Sandal W ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Ankle Zipper Sandal W Strap Back Womens Flat Criss Summer Floopi Cross Gladiator Red }

That will fetch the dev-bugfix version of Womens Cross Red Floopi Ankle Summer Sandal Flat W Criss Strap Back Zipper Gladiator 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 U75wvvqAmali Boots Men's Suede Casual Lace High Like Crepe Faux Low up Red Leather Sole Rubber Top rrwvE it!