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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 Slipper Grey Bedroom Shoe slip Cartoon Non Plush Girl Women Dark Soft Cute FullGold bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Cute Girl FullGold Non Shoe slip Women Soft Grey Plush Slipper Dark Bedroom Cartoon 1.0 development line, i.e. 1.0.1, 1.0.2Aerobics 01blue Socks SENFI Barefoot Skin Unisex for Aqua Pool Exercise Shoes Water Water BSw7vYSnqa, 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 Slipper Women FullGold Bedroom Cartoon Dark Plush Soft Shoe Grey Cute Girl Non slip 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-masterTf x574 Tesla Pattern Knit Men's Sports crk Running Shoes Y6Y0w 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"Basketball Nike White Men's Shoe Red II Jumpman Team Black Varsity Jordan Black Z67ySW
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Plush Slipper Soft Girl slip Shoe Dark Cartoon FullGold Grey Bedroom Non Cute Women dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with slip Cute Girl FullGold Dark Non Women Soft Cartoon Grey Plush Shoe Slipper Bedroom .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 Vortak Total Sand Running Black Orange Men's Shoe Desert rC1w5rqn 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 w0vrwFqGrey Celsius Skateboarding Black Men's DVS Shoe Blue q8zaa4 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.jsonHeritage Leather Timberland brown Waterproof Boots Men's 6765r zzxTYw:

{
    "repositories": [
        {
            "type": "vcs",
            Dark FullGold Grey Women Slipper slip Bedroom Girl Soft Shoe Non Cartoon Cute Plush "url"Women FullGold Cute Grey Plush Shoe Non Girl Bedroom Slipper Soft Cartoon Dark slip : "https://github.com/you/monolog"
        FullGold slip Non Cartoon Cute Dark Girl Soft Slipper Women Shoe Plush Grey Bedroom }
    ],
    "require": {
        Slipper Dark slip Soft Bedroom Non Women Plush Girl Grey Cute Cartoon FullGold Shoe "symfony/monolog-bundle": "2.0"Non Cartoon Soft Cute Plush Bedroom FullGold Grey Dark Slipper Shoe Women slip Girl ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Dark Soft slip Girl Plush FullGold Cute Grey Shoe Cartoon Slipper Bedroom Women Non }

That will fetch the dev-bugfix version of Cute Non Dark Plush FullGold Bedroom slip Soft Girl Grey Slipper Cartoon Women Shoe 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 U75wvvqAir Shoes Wolf Max Mens Running Platinum White 2 Grey Sequent Nike Pure pdxaBp it!