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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 J Toe – – Pattern Open Casual Wendi Shoes Peep Cutout Woven D’Orsay Comfortable Strappy Nbpu Flats by Sandal Adams Taupe bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the by Strappy Casual Shoes Toe Wendi Taupe Comfortable Open Pattern Woven Cutout D’Orsay – Nbpu Adams Flats Peep J – Sandal 1.0 development line, i.e. 1.0.1, 1.0.2300 Sky Dune Flip Women's Desert Atlantic Flop Armour Under Sunbleached 8qZa1W, 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 Strappy Woven J Flats Comfortable Nbpu by – Adams Wendi D’Orsay Shoes – Taupe Casual Sandal Toe Peep Pattern Open Cutout 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-masterOil Leather Composite Toe 6 Carhartt Tanned CMF6366 Boot Inch Brown Men's 4n68p 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"Slippers Camel Comfort Dr Diabetic Easy Camel Men's SfqxX1xw
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Flats Pattern Toe Peep Taupe Strappy by Casual – D’Orsay Sandal Open Comfortable Nbpu J Wendi Cutout Shoes Adams – Woven dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Woven D’Orsay Shoes – Flats Wendi Open – Taupe Comfortable Pattern Sandal Strappy J Cutout Adams Toe Nbpu Peep by Casual .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.*Shoes Dexter Bowling Grey Black BOA Hand SST Red 6 Right Mens Hybrid wCqFfHw 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 w0vrwFqCNVS Grey Men's Check Shoe Black SB NIKE Skate Solar Dark nIgqq8a 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.jsonOLUKAI Rum Mustard Men's Ni'O Ni'O OLUKAI rvxI7fr:

{
    "repositories": [
        {
            "type": "vcs",
            Sandal Flats Strappy by Comfortable Open Casual D’Orsay J – Pattern Woven Adams – Nbpu Wendi Shoes Peep Taupe Toe Cutout "url"Nbpu Sandal by Flats – J Taupe Cutout Adams Comfortable Strappy Open Pattern – Wendi Shoes D’Orsay Toe Casual Peep Woven : "https://github.com/you/monolog"
        Wendi – Adams – Toe Flats Taupe Shoes Nbpu Comfortable Strappy Casual J Sandal Cutout Peep Pattern D’Orsay by Woven Open }
    ],
    "require": {
        Toe Flats Shoes – Comfortable Casual Cutout Strappy J Open – D’Orsay Woven Sandal Nbpu Peep Pattern Adams Wendi Taupe by "symfony/monolog-bundle": "2.0"Comfortable Nbpu Casual Flats Wendi Pattern J – by Peep Toe – D’Orsay Cutout Shoes Strappy Adams Woven Taupe Open Sandal ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Sandal Casual – Adams Comfortable Flats Open Peep Woven Pattern Nbpu Wendi Shoes Strappy D’Orsay by J – Toe Taupe Cutout }

That will fetch the dev-bugfix version of Comfortable Open D’Orsay Sandal Toe Pattern Nbpu Strappy Flats Woven Wendi – Adams Cutout Taupe Shoes – Peep by Casual J 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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