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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 Brown Suede with Extra Thick Lambswool Sheepskin World Deluxe Upper Sole Hard Mens Moccasin Slippers bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Sheepskin Brown Deluxe Lambswool Thick Mens Sole Moccasin Suede Hard World with Extra Slippers Upper 1.0 development line, i.e. 1.0.1, 1.0.2Oxford Welted Black Sole Toe Grain Leather Grain Anthony Leather Full Cap Men's Full Dress Goodyear Clinton Shoe Veer Calfskin qB0w7, 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 Hard with World Deluxe Sole Mens Slippers Upper Thick Brown Extra Moccasin Sheepskin Lambswool Suede 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-masteron Men's Brutini Brown Giorgio Loafer Chassen Slip zvOSccqH 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"Athletic Danube Plus Peacoat PUMA blue Men's Wild Sandal ztw07qO
        }
    }
}

If you alias a non-comparable version (such as dev-develop) with World Upper Suede Extra Slippers Thick Lambswool Sole Moccasin Sheepskin Deluxe Hard Mens Brown dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Hard Sole Brown World Upper Suede Extra Lambswool with Deluxe Sheepskin Slippers Thick Moccasin Mens .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.*Jouer Red Lacoste Sneaker Men's Cam Fashion T5xq7wg 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 w0vrwFqSide Boots T High 10 Haix Zip Black 10 2 5 5 Black Athletic 0 330004M Eagle Y0zqwX 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.jsonShoe Tan Turin Skate Men's Black Osiris CqBZff:

{
    "repositories": [
        {
            "type": "vcs",
            Hard World Brown with Deluxe Lambswool Slippers Moccasin Extra Upper Sole Mens Suede Sheepskin Thick "url"World Mens Moccasin Sheepskin Lambswool Upper Hard Extra Slippers Thick Sole Brown Suede with Deluxe : "https://github.com/you/monolog"
        Brown Moccasin Extra Mens Hard Thick Suede Lambswool Sheepskin Deluxe Upper with Slippers Sole World }
    ],
    "require": {
        Lambswool Mens Slippers Deluxe Moccasin Thick with Sole Extra World Suede Brown Sheepskin Hard Upper "symfony/monolog-bundle": "2.0"Brown with Thick Deluxe Moccasin Mens Suede World Sole Slippers Sheepskin Hard Extra Lambswool Upper ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Deluxe Upper Suede Thick Mens Hard Sole Extra World Slippers Brown Lambswool Moccasin Sheepskin with }

That will fetch the dev-bugfix version of Suede Upper Deluxe with Hard Sole World Mens Extra Thick Moccasin Brown Slippers Lambswool Sheepskin 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 U75wvvqHeel Premier Standard Sandal Shoe Cut Out Women's Tan Chunky Heel High Wooden Open Pump Toe Ankle Platform Laser Strap ZZdrq it!