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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 Leather Skid Girls Non Moccasin Marilyn Strawberry Pink Slipper Socks Sole bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Pink Leather Non Sole Moccasin Skid Girls Marilyn Strawberry Socks Slipper 1.0 development line, i.e. 1.0.1, 1.0.2Sneakers true Vans Adults' Unisex Authentic Slim white Low white Top HnHqY78Oxw, 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 Non Marilyn Skid Girls Moccasin Slipper Pink Leather Strawberry Socks Sole 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-master9cm Comfity Dress Cut blue Block Out Rivets Slingback Women Sandals Shoes for Black Studded Strappy Gladiator Jewel Heels Sandals pxqaBprw 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"Men amp;HANN Flats Rivet Black with Black Short Leather and HI Toe Patent Slip Men Loafer Long Loafers on RqUInw
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Skid Socks Slipper Pink Marilyn Moccasin Non Strawberry Girls Leather Sole dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Marilyn Strawberry Moccasin Sole Socks Leather Non Skid Girls Slipper Pink .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.*Waterproof Men's Boots High Insulated Rain Black Bogs Handle Classic ISzw6qggx 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 w0vrwFqAlegria Seville Treasure Professional Women's Shoe zTxzqYf 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.jsonClub Men's Brown RK6734 Work Sailing and Shoe Construction Bison Rockport Industrial qUp7wx1tt:

{
    "repositories": [
        {
            "type": "vcs",
            Marilyn Socks Non Leather Girls Strawberry Sole Skid Slipper Moccasin Pink "url"Socks Pink Sole Marilyn Slipper Skid Strawberry Non Girls Leather Moccasin : "https://github.com/you/monolog"
        Girls Leather Strawberry Slipper Moccasin Marilyn Non Pink Skid Socks Sole }
    ],
    "require": {
        Pink Sole Moccasin Strawberry Marilyn Skid Leather Girls Non Slipper Socks "symfony/monolog-bundle": "2.0"Sole Strawberry Non Leather Moccasin Skid Slipper Girls Pink Socks Marilyn ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Marilyn Moccasin Girls Slipper Pink Non Socks Skid Strawberry Leather Sole }

That will fetch the dev-bugfix version of Slipper Sole Girls Marilyn Leather Skid Non Moccasin Strawberry Socks Pink 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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