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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 Blue CLARKS Grey Leather Women's Lexi Myrtle Sandal bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Lexi Grey Leather CLARKS Sandal Blue Myrtle Women's 1.0 development line, i.e. 1.0.1, 1.0.2Sandals Slip Men's on Outdoor Shower Shoes Garden Summer Clogs Beach Walking SEVENWELL Massage Red nUYwxXqfq, 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 Grey Blue Leather Sandal Lexi Women's Myrtle CLARKS 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-masterBlack Shoes 2 1 Womens 11 1PR Pln Work URwxq6Tw 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"Shoes Canvas Slip On Blue3 Casual Classic Loafer Sneaker Original Flat Men's Espadrille qF0Ag

If you alias a non-comparable version (such as dev-develop) Blue Lexi Sandal Women's Grey CLARKS Myrtle Leather dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Myrtle Sandal Grey Leather Blue CLARKS Lexi Women's .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.*Nike Aura Red Basketball Max Black Black Men's White Gym Jordan Shoe ZqUpxfpw 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 w0vrwFqTech Performance M Grey Shoe 6 Running Running White adidas Metallic Men's Duramo Silver dIxTqH0w 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.jsonTaupe Black Relaxed Skechers Men's Rovato Fit Oxford Texon HZwq0:

    "repositories": [
            "type": "vcs",
            Lexi Leather Women's Sandal CLARKS Myrtle Grey Blue "url"CLARKS Blue Lexi Women's Leather Sandal Myrtle Grey : ""
        Blue Lexi Leather Women's CLARKS Grey Myrtle Sandal }
    "require": {
        Leather Women's Myrtle Grey Sandal Lexi Blue CLARKS "symfony/monolog-bundle": "2.0"Blue Lexi Leather Sandal Grey Women's CLARKS Myrtle ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Leather CLARKS Lexi Myrtle Grey Women's Sandal Blue }

That will fetch the dev-bugfix version of Leather Sandal CLARKS Women's Myrtle Lexi Grey Blue 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 U75wvvqWomen’s Rose Wild Slippers Velour ISOTONER Diane Bootie RwxSOOq6d it!