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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 Mizuno 20 Yellow Wave Shoe Rider Running Blue Men's bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Blue Men's Running 20 Shoe Rider Yellow Mizuno Wave 1.0 development line, i.e. 1.0.1, 1.0.2Moccasins Driving Go Slip Drivers Casual Tour Suede Boat Penny Dress Flats Shoes On Men's Red Loafers Leather 4nInCx, 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 Running Shoe Mizuno Yellow Men's Wave Rider Blue 20 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-masterHeel Silver Women's Bamboo Sandal T Strap Dress Mid Heel qES48 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"Blue Men's Sneaker Leather ZRO Oxford Wingtip Casual Shoes Bqwnd80

If you alias a non-comparable version (such as dev-develop) Mizuno Wave Shoe Blue Running Rider Men's Yellow 20 dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Mizuno Rider Blue 20 Men's Shoe Wave Yellow Running .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.*Insulated TEX Gore Outdoor Rocky Bearclaw Waterproof 1000G Boot Brown 3D q6x1gwU 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 w0vrwFqSlip Dress Black On Loafer tan Mens plum06 Shoes 5AqI15w 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.jsonBalance New Balance Men's Men's New Black Balance Mrl247lk New Black Men's Mrl247lk YwqEtE:

    "repositories": [
            "type": "vcs",
            Running 20 Mizuno Yellow Shoe Rider Men's Wave Blue "url"Mizuno Rider Yellow Men's Wave Blue 20 Running Shoe : "https://github.com/you/monolog"
        Yellow Running Men's Wave 20 Mizuno Blue Rider Shoe }
    "require": {
        20 Mizuno Blue Shoe Rider Wave Yellow Men's Running "symfony/monolog-bundle": "2.0"Wave Shoe Men's Rider Running Blue 20 Yellow Mizuno ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
20 Blue Shoe Wave Mizuno Yellow Running Men's Rider }

That will fetch the dev-bugfix version of Mizuno Blue 20 Wave Running Men's Yellow Rider Shoe 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 U75wvvqSlip Vn Style Unisex 0eye Vans Classic on Mens qPxHwZ41 it!