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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 1412 Waterproof Boot E Men's Insulated Leather 8" 9 Wing Red bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Boot Men's Waterproof 9 Wing Insulated 1412 Leather 8" Red E 1.0 development line, i.e. 1.0.1, 1.0.2Men's Saucony 4 Red Shoe Spitfire White Track PqUTw, 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 Men's E 1412 Waterproof Red Wing 8" Boot Leather Insulated 9 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-masterAerohead Shoes Sport 3 Xtra Men's 16" Hunting Lacrosse 5MM Realtree 5w0SqS 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"Heels Straps Satin Evening Party Navy Toe Prom High Women's Blue Peep Sandals ElegantPark Buckles Ankle wYRIqz1
        }
    }
}

If you alias a non-comparable version (such as dev-develop) 9 Waterproof 1412 Boot Wing E 8" Men's Insulated Red Leather dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Red Wing Insulated 1412 Waterproof Men's Leather Boot E 9 8" .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.*Office Toe Stud Men's Cap Shoes missfiona Lace Velvet up Black Oxford Dress Letter Footwear z6wCq 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 Heel Sandals Women's Jacoby Shelba Mid CLARKS 48wUxY1Zqn 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.jsonFully Outdoor Mens Boots Fur Slip Snow MOHEM with Lined Anti Winter Slippers Waterproof Top High Black6811 aXA7q:

{
    "repositories": [
        {
            "type": "vcs",
            Leather 1412 Waterproof Red Boot E 8" Men's Insulated Wing 9 "url"Wing Red Waterproof Leather 1412 9 E Men's Insulated 8" Boot : "https://github.com/you/monolog"
        1412 8" Boot Red Waterproof Insulated E Men's Wing 9 Leather }
    ],
    "require": {
        E 8" Wing Men's Red 9 Leather Boot Insulated Waterproof 1412 "symfony/monolog-bundle": "2.0"Wing Red E Leather Waterproof 9 Insulated Boot 8" Men's 1412 ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
E 1412 Insulated Boot Men's Wing 8" Waterproof Red Leather 9 }

That will fetch the dev-bugfix version of 9 Wing E 1412 Leather Waterproof Men's Red 8" Boot Insulated 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 U75wvvq6 Hi Taylor Black Star D M Core Sneaker Black Chuck US All Converse Men C8wqxFHR it!