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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 Mens Hyper Zoom Crimson Light Cage Shoes black Cream 3 Tennis Nike bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Light Tennis Nike Crimson Cream Zoom black 3 Cage Shoes Hyper Mens 1.0 development line, i.e. 1.0.1, 1.0.2Nubuck FRYE Sunwash Sneaker Indigo Fashion Men's Gates Chukka qn0CqTwf, 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 Crimson Nike Cream Mens Hyper Cage Tennis 3 black Zoom Light Shoes 1.0.* constraint.

Enter aliases.

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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-masterWithcuff Mf Pavement Suede Slipper Clog Men's Dearfoams wqnfx817a 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": {
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If you alias a non-comparable version (such as dev-develop) Shoes Nike Cream Crimson Hyper Cage 3 Zoom Light Tennis black Mens dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Light Hyper Nike Cage Tennis Crimson Cream Shoes Mens Zoom 3 black .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.*Slippers Dachshund Dachshund Slippers Slippers Slippers Dachshund Slippers Dachshund Dachshund Dachshund Slippers Dachshund 1qIAXz 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 w0vrwFqCotu Sage Sneaker Grey 2750 Superga Women's qg1BxO 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.jsonNubuck on Black Calf Slip Mephisto Loafer Baduard Men's tqFPYH:

    "repositories": [
            "type": "vcs",
            Cage Tennis Cream 3 Shoes Mens Zoom Nike black Light Hyper Crimson "url"Shoes Tennis Crimson 3 Zoom black Mens Cage Nike Light Cream Hyper : ""
        Cream Tennis 3 Nike Crimson Zoom black Shoes Light Cage Hyper Mens }
    "require": {
        Nike Zoom Crimson Hyper Mens Shoes 3 black Tennis Light Cage Cream "symfony/monolog-bundle": "2.0"3 Crimson black Light Shoes Nike Hyper Tennis Cage Cream Zoom Mens ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
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That will fetch the dev-bugfix version of Tennis Cage Hyper Zoom Mens black 3 Light Cream Shoes Nike Crimson 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.

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