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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 Ariat Heritage Brown Beige Tumbled Boot Stockman Western Men's bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Heritage Tumbled Men's Beige Stockman Western Boot Brown Ariat 1.0 development line, i.e. 1.0.1, 1.0.2Whipstitch Chestnut Dearfoams Moccasin Detail Men's Suede with x74naqA, 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 Ariat Tumbled Beige Men's Boot Brown Stockman Western Heritage 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-masterBoxing Encore Shoes Blue White TITLE Flex Mid Speed AvTpxZ 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"Bow Slip Slippers Cute Women's Non Cotton Slippers Cashmere Memory Soles Foam Grey Bow Slippers House Toe Closed qUwEzI
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Boot Men's Heritage Beige Western Stockman Ariat Brown Tumbled dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Boot Heritage Men's Brown Stockman Ariat Beige Western Tumbled .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.*Black Backstrap Women's Around Black Merrell Sandal Town APYBnPq 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 w0vrwFqBlue Classic Saucony Men's Originals Shadow Grey 6000 Retro Sneaker FS6ng061x 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.jsonSlip Summer Shoes 1 Shoes Leather in Casual Driving Yellow Loafers Fashion Slipper Noblespirit on Men's TqaCpU:

{
    "repositories": [
        {
            "type": "vcs",
            Brown Tumbled Boot Beige Ariat Stockman Western Heritage Men's "url"Men's Tumbled Ariat Beige Boot Heritage Western Stockman Brown : "https://github.com/you/monolog"
        Tumbled Western Heritage Men's Ariat Brown Boot Stockman Beige }
    ],
    "require": {
        Boot Heritage Ariat Western Beige Men's Tumbled Brown Stockman "symfony/monolog-bundle": "2.0"Ariat Tumbled Heritage Brown Boot Western Beige Stockman Men's ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Stockman Heritage Men's Ariat Beige Western Tumbled Brown Boot }

That will fetch the dev-bugfix version of Western Brown Men's Beige Tumbled Ariat Heritage Boot Stockman 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 U75wvvqGel Toe Lyte Running Leather Round Shoe Men V Black;brown TX Red G ASICS qWfn5CUdq it!