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# The `stack new` command

~~~text
stack new PACKAGE_NAME [--bare] [TEMPLATE_NAME] [-p|--param KEY:VALUE] [DIR(S)]
          [--omit-packages] [--force] [--ignore-subdirs]
~~~

`stack new` creates a new Stack project for a package using a project template.

The project is created in a new directory named after the package, unless the
`--bare` flag is passed, in which case the project is created in the current
directory.

The `--param <key>:<value>` option specifies a key-value pair to populate a key
in a template. The option can be specified multiple times.

The arguments specifying directories and the `--ignore-subdirs`, `--force` and
`--omit-packages` flags are as for the [`stack init` command](init_command.md).

## Project templates

A project template file can be located in a repository named `stack-templates`
on GitHub, GitLab or Bitbucket; at a URL; or on the local file system.

Project template file names have the extension `.hsfiles`. The extension does
not need to be specified with `stack new`.

A project template file `my-template.hsfiles` in a repository
`username/stack-templates` on GitHub, GitLab or Bitbucket can be specified
with `stack new` as:

~~~test
<service>:username/my-template
~~~

where `<service>` is one of `github` for [GitHub](https://github.com/),
`gitlab` for [GitLab](https://gitlab.com), or `bitbucket` for
[Bitbucket](https://bitbucket.com).

The default service is GitHub, the default username is `commercialhaskell` and
the default project template name is `new-template`.

## Examples

Create a project for package `my-project` in new directory `my-project` with the
default project template file:

~~~text
stack new my-project
~~~

Create a project for package `my-package` in the current directory with the
default project template file:

~~~text
stack new my-package --bare
~~~

Create a project with the `rio` project template at the default repository:

~~~text
stack new my-project rio
~~~

Create a project with the `mysql` project template provided by the
`yesodweb/stack-templates` repository on GitHub:

~~~text
stack new my-project yesodweb/mysql
~~~

Create a project with the `my-template` project template provided by the
`username/stack-templates` repository on Bitbucket:

~~~text
stack new my-project bitbucket:username/my-template
~~~

Create a project with the `my-template.hsfiles` project template file at
`https://example.com`:

~~~text
stack new my-project https://example.com/my-template
~~~

Create a project with the local project template file
`<path_to_template>/my-template.hsfiles`:

~~~text
stack new my-project <path_to_template_file>/my-template
~~~