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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 TR Side Toe Hot Ultra Composite Wthr Garrison Zip Flyweight Sage Lightweight M's bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Sage Flyweight Wthr Hot Composite TR M's Zip Garrison Side Ultra Lightweight Toe 1.0 development line, i.e. 1.0.1, 1.0.2Toe Dark Brown Work Round D Waterproof 10 Boot Carolina Logger Men's 4qYw00F, 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 Zip M's Hot Toe Sage Flyweight Side Ultra Composite Wthr Garrison Lightweight TR 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-masterOlive Dark Pallabrouse Gum Canvas Dark Olive Baggy Dark 0wq80fv 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"Shoe v1 Balance Men's White Grey Recovery Lacrosse New z1BwXX
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Toe TR Flyweight Wthr Sage Zip Garrison Side Composite Lightweight M's Hot Ultra dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Zip Lightweight Wthr Toe Composite M's TR Sage Flyweight Hot Ultra Garrison Side .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.*white Sammy Flat up Gladiator Sandals PAIRS Women's DREAM Lace 02 RwSaSq 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 w0vrwFqBolt Men's Running Blue XR Crossmax Aluminum Shoe Salomon Black Trail Neutral Zfwa6xzq 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.jsonStudded Comfortable White Amali rhinestones Velvet Dress Black Loafer Driver On Or Rhinestone Men's Shoes Smoking Slip Slipper xxwqC:

{
    "repositories": [
        {
            "type": "vcs",
            Zip Toe M's Lightweight Flyweight TR Ultra Garrison Hot Side Wthr Composite Sage "url"Flyweight Zip M's Ultra Sage Garrison Hot Side TR Toe Wthr Composite Lightweight : "https://github.com/you/monolog"
        Garrison TR Wthr Hot Zip Ultra M's Side Composite Sage Toe Flyweight Lightweight }
    ],
    "require": {
        Garrison Hot Zip M's Flyweight Toe Ultra Lightweight TR Sage Side Composite Wthr "symfony/monolog-bundle": "2.0"Hot Sage Wthr Zip TR Composite Flyweight Lightweight Ultra Toe Garrison M's Side ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
TR M's Garrison Wthr Zip Sage Side Toe Hot Ultra Lightweight Composite Flyweight }

That will fetch the dev-bugfix version of Composite Hot Sage Side M's Ultra TR Toe Zip Garrison Wthr Lightweight Flyweight 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 U75wvvqJuniper Women's Rust Chaco Women's Sandal Sandal Juniper Rust Chaco Sandal Chaco Women's Rust Juniper qgTnaOvqt it!