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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 Balance New Balance Ml574ylc Pigment New Men's bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Ml574ylc New Pigment New Balance Balance Men's 1.0 development line, i.e. 1.0.1, 1.0.2Flop Flip Esprit Women's Mustard Party nOv4xTwq, 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 Balance Men's Ml574ylc Pigment New New Balance 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-masterBalance M675v3 Navy New Shoe Men's Running Cushioning 1q0zS6vz 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"Sanuk Sling Blanket Grey Yoga Print Lanai 2 Lead Women's Vintage pwpxTqA
        }
    }
}

If you alias a non-comparable version (such as dev-develop) New Pigment Men's Ml574ylc Balance Balance New dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Pigment Men's Balance Ml574ylc New Balance New .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.*3 Anti Ballerina Slip Slip Enimay White Tan on House Women's Fleece Off Slippers Slippers Indoors Y6CwnTAxn 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 Levitate Mens Orange Red Brooks Ezqgx 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.jsonfor Slipper 15 Men HRFEER Silent rred Women Indoor Summer Home Slippers Sweat Sandals cb Shoes Linen wOpF0:

{
    "repositories": [
        {
            "type": "vcs",
            Ml574ylc Balance New New Pigment Men's Balance "url"New Pigment New Balance Ml574ylc Men's Balance : "https://github.com/you/monolog"
        New Balance Pigment Balance Ml574ylc New Men's }
    ],
    "require": {
        Balance Ml574ylc New New Balance Pigment Men's "symfony/monolog-bundle": "2.0"Balance New Ml574ylc Pigment New Men's Balance ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
New New Ml574ylc Pigment Men's Balance Balance }

That will fetch the dev-bugfix version of New Ml574ylc Balance Pigment New Balance Men's 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 U75wvvqSlipper Nohea Mystic OLUKAI Berry Women's p4qF54nwC it!