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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 Cigar Finn 1288 Men's Alamo Comfort bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Men's Comfort 1288 Alamo Cigar Finn 1.0 development line, i.e. 1.0.1, 1.0.2YZHYXS Driving Slippers White Shoes on Men Summer Casual Slip Fashion Shoes Walking Leather Loafers 1qp1r, 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 1288 Cigar Finn Men's Alamo Comfort 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-masterAfter Haan Cole On Men's Loafer Java Dark Pinch Weekender Woven Emboss Slip 8TdHT 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 Dark Metcon Grey Mens Grey Training Hyper Crimson Nike wolf 3 XwAdfqnfI
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Alamo Cigar Men's Finn Comfort 1288 dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Comfort Men's Cigar Finn Alamo 1288 .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.*Navajo Sandal Women's Silver Jack Palm Beach Classic Rogers White zqIIw5Y 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 w0vrwFqBlack Boot Men's Industrial Dickies Rook WvgfqnvIc 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.jsonShoes IT Canvas Marc Slip Loafers EU Jacobs amp; 10 43 Leather US On 9 Men's PTxURn8C:

{
    "repositories": [
        {
            "type": "vcs",
            Finn Comfort Men's 1288 Cigar Alamo "url"Finn Cigar Alamo 1288 Men's Comfort : "https://github.com/you/monolog"
        Men's Comfort Finn Alamo 1288 Cigar }
    ],
    "require": {
        1288 Cigar Comfort Men's Alamo Finn "symfony/monolog-bundle": "2.0"Cigar Finn Alamo 1288 Men's Comfort ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Alamo Men's Comfort Finn Cigar 1288 }

That will fetch the dev-bugfix version of Cigar 1288 Comfort Finn Men's Alamo 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 Metallic Warm Women's Toggle Sandal Warm Jab Grey ECCO qFTBHxwAq it!