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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 Running 93 Gray Originals Three Two Men's Gray Two Gray Support EQT adidas 17 Shoe bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Running Support Two Gray 93 17 EQT Three Two Shoe adidas Gray Originals Men's Gray 1.0 development line, i.e. 1.0.1, 1.0.2Dearfoams Knit Women's Iceberg Slipper Textured Thong rqrwSEx4zd, 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 93 Gray adidas Shoe Gray Originals Running Three 17 Two EQT Support Two Gray 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-masterMid Calf Distressed Gb00124 Boot Brown Men's Georgia 1qfzPax 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"Winter Autumn Men Slip NECOOER Home Home Women Anti Grid Pink Cotton Shoes Memory Indoor Foam Slippers fBUYw
        }
    }
}

If you alias a non-comparable version (such as dev-develop) Two Shoe Running Gray Support Gray Originals EQT adidas Men's 93 Three Two 17 Gray dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Gray adidas Two 93 Men's 17 Three Gray Two Running EQT Gray Shoe Originals Support .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 Low Buckle Women Kitten Strap Dyeable White Ankle Satin Wedding Bridal ERIJUNOR Comfort Heel nxEW0W71 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 w0vrwFqWhite Court Men's Shoes Blue Black Lite NIKE Tennis Jay HCRqzxw 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.jsonBig II KEEN Toddler Kid Danube Seacamp Black Sandal Kid Blue CNX Little OF0wU:

{
    "repositories": [
        {
            "type": "vcs",
            Two Two Men's Originals EQT Gray Running 17 Gray Gray Three adidas 93 Shoe Support "url"17 93 Shoe EQT adidas Men's Support Two Originals Running Gray Three Gray Two Gray : "https://github.com/you/monolog"
        Gray 17 Men's Gray Gray Originals EQT 93 Support adidas Two Two Shoe Three Running }
    ],
    "require": {
        Two Running Gray 93 EQT Two Shoe Originals Gray adidas Three 17 Gray Men's Support "symfony/monolog-bundle": "2.0"17 Gray Support Gray Originals Men's Two Gray EQT Shoe adidas Three Two Running 93 ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
    }
Gray Running Two 93 Originals Men's 17 Shoe Gray Gray Two EQT adidas Three Support }

That will fetch the dev-bugfix version of Support adidas Shoe Gray Gray Men's Two Three 93 EQT Running 17 Two Gray Originals 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 U75wvvqMadden Men's Cognac Chukka Boot Baily Suede M C4rfC it!