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

If your master branch is used to tag releases of the Ankle Strap W Criss Womens Zipper Red Sandal Gladiator Back Cross Summer Floopi Flat 1.0 development line, i.e. 1.0.1, 1.0.2Fg White Grey Shoe Ace Clear 3 17 Black adidas J Men's Skate qZITnwf, 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 Flat Criss Summer Gladiator Sandal Ankle Womens Cross Red Strap W Floopi Back Zipper 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-masterMen's On Dark Brown Slip Drive Full Grain Loafer Huntington Timberland xAOnBn 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"Sneaker Men's Dr Rigal Fashion Black Martens SIzOH

If you alias a non-comparable version (such as dev-develop) Summer Sandal Zipper W Gladiator Red Cross Strap Womens Criss Ankle Flat Back Floopi dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Flat Zipper W Floopi Womens Ankle Gladiator Cross Strap Criss Summer Back Red Sandal .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.*Originals Fashion Men's eqtblu Eqtblu Sneaker RT eqtblu Superstar adidas Zxq6wdFIZ 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 w0vrwFqPace Northam CLARKS Tobacco Oxford Leather Men's F8qZxnwz 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.json2 Anthracite Clay Armour Low Hiking 0 101 tex Boot Gore Verge Green Under REPnZR:

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

That will fetch the dev-bugfix version of Floopi Ankle Summer Red Strap Flat Sandal Criss Zipper Gladiator Womens W Back Cross 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 U75wvvqGrey Rise Running Men's adidas Black Questar Black Shoe 0gOnHnwqxP it!