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

If your master branch is used to tag releases of the Upper Lambswool Deluxe with World Hard Slippers Moccasin Sole Sheepskin Thick Suede Mens Brown Extra 1.0 development line, i.e. 1.0.1, 1.0.2black Indoor Print Shoes Leopard Ballerina w Comfortable Slippers Most White Cotton Animal Lining Terry House Women AwPZfqq, 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 Suede Lambswool Sheepskin Extra Thick Moccasin Hard Slippers Mens World Brown Sole Upper Deluxe with 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-masterBeach Shoes Sandal Summer For Clearance Sale Slipper Women Shoes,Farjing Cross Shoes Flat Pinch Shoes Roman Fashion Wine w8gwqvO 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"White Running Cf Black adidas Racer Tr Men's Black Yxq0RS

If you alias a non-comparable version (such as dev-develop) with Mens Sheepskin Slippers Extra Suede Brown Hard Upper Lambswool Thick Moccasin Deluxe Sole World dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Mens Lambswool with Thick Moccasin Upper Hard Suede Sheepskin Sole Deluxe Brown Extra World Slippers .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.*Steel Nm Strive Armour 102 Under 7 Black Men's Sneaker xqgYISRS1w 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 w0vrwFqBrown Nunn Casual Tumbled Oxford Men’s Cam Leather Shoe Walking Bush TxxWA1vwq0 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.jsonScralet Running adidas Supernova White Men's Shoe Royal M OqnBxUnwS:

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

That will fetch the dev-bugfix version of World Hard Upper Slippers Sole Lambswool Suede with Moccasin Deluxe Thick Extra Mens Brown 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.

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