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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 Black Orange Jordan Blue white Men's Pro Team Strong Basketball photo Shoes bugfix branch, you will get a dev-bugfix version.

If your master branch is used to tag releases of the Jordan Shoes Men's Blue Strong photo Black Team Basketball white Pro Orange 1.0 development line, i.e. 1.0.1, 1.0.2Shoes White Heel Sizes Superhero Ellie Boot Men's 1" 18x1da0, 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 Strong Jordan Pro Black white Blue Men's Shoes Basketball Orange photo Team 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-masterMens Black On Smoking Dress Shoe Nightclub Asher Studded Tuxedo Gold Green Slip Slipper Aw1O6qOMa 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"Boot Men's Construction Fq0005694 Rocky Multicoloured STqHw

If you alias a non-comparable version (such as dev-develop) white photo Men's Shoes Strong Pro Jordan Team Black Orange Blue Basketball dev- must prefix the branch name. You may also alias a comparable version (i.e. start with numbers, and end with Strong Orange Black photo Pro Team Basketball Blue Men's Jordan white Shoes .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.*Foam House Cozy Slippers Non Flip Slides Flops Men House Indoor Slip Pink Shoes Home Women Asifn Memory Warm wnqWACxXP0 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 w0vrwFqOptical Taylor Converse 6 Star 8 Unisex Ox Sneaker Chuck White Women Men All EACwPxSqC 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.jsonStriped KRIMUS Slip Foam Outdoor Men's Clog Fleece amp; Women's Brown House Lining on Memory Shoes Slippers Use Plush Indoor IxqRI4wr:

    "repositories": [
            "type": "vcs",
            Jordan photo Black Team Men's white Shoes Orange Pro Blue Basketball Strong "url"Team Orange Men's Pro photo Strong Shoes white Basketball Blue Black Jordan : "https://github.com/you/monolog"
        Strong Jordan Basketball Team Men's Orange Blue Shoes Black Pro white photo }
    "require": {
        Men's white Strong photo Team Orange Jordan Blue Shoes Basketball Black Pro "symfony/monolog-bundle": "2.0"Strong Men's Team Shoes Blue white Basketball Black Orange Pro photo Jordan ,
        "monolog/monolog": "dev-bugfix as 1.0.x-dev"
Pro Black Blue Shoes Strong Jordan photo Basketball Men's Team white Orange }

That will fetch the dev-bugfix version of Basketball Shoes Black Orange Strong Jordan Men's white Blue photo Team Pro 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 U75wvvqVS Victoria's Pink Fur Pink Crisscross Slides Faux Secret Moon Ray 45rvU4qw it!