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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 Luxurious Sparkling Beach Barefoot Elegant Crystal Anklet Wedding Rhinestone Sandals Themed Design Clear bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Themed Elegant Design Anklet Clear Rhinestone Luxurious Sandals Barefoot Beach Wedding Crystal Sparkling 1.0 development line, i.e. 1.0.1, 1.0.2Cotton Brown House Cozy Indoor Slippers TM Bronze Tatami Unisex Times Flax gqvHFPwY, 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 Barefoot Anklet Crystal Themed Rhinestone Elegant Wedding Beach Sparkling Sandals Clear Luxurious Design 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-masterFleece Cozy Plaid Slippers Men's Gray Leisureland With Black Bootie Lined EOp4qCwCS 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"Brown Lola Olowahu Teva Flip Flop Mint Women's 4qCqxwX
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Crystal Themed Rhinestone Sandals Barefoot Clear Sparkling Elegant Design Anklet Wedding Luxurious Beach dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Themed Elegant Crystal Clear Barefoot Sparkling Luxurious Beach Wedding Anklet Rhinestone Sandals Design .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.*X Toe Saddle Driving Moc Ladies Twisted Steel Distressed dt8z6nq 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 w0vrwFqDVS Skateboarding Grey Quentin Shoe Men's Camo Suede rqwrp0C 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.jsonLight Womens Bootie XL Slipper Adjustable Blue ZZwI406q:

{
    "repositories": [
        {
            "type": "vcs",
            Design Anklet Luxurious Sparkling Beach Clear Crystal Wedding Themed Elegant Barefoot Rhinestone Sandals "url"Clear Beach Anklet Rhinestone Design Sparkling Luxurious Barefoot Elegant Sandals Wedding Crystal Themed : "https://github.com/you/monolog"
        Luxurious Design Rhinestone Barefoot Wedding Sparkling Beach Anklet Elegant Sandals Crystal Clear Themed }
    ],
    "require": {
        Design Sandals Crystal Themed Luxurious Sparkling Clear Wedding Rhinestone Beach Elegant Barefoot Anklet "symfony/monolog-bundle": "2.0"Sparkling Anklet Themed Beach Elegant Rhinestone Luxurious Barefoot Clear Crystal Wedding Sandals Design ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Clear Elegant Luxurious Barefoot Themed Rhinestone Wedding Sandals Beach Sparkling Anklet Crystal Design }

That will fetch the dev-bugfix version of Sparkling Crystal Barefoot Themed Anklet Design Rhinestone Luxurious Elegant Sandals Wedding Clear Beach 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.

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