Rules for declaring the compliance licenses used by a package. ## license 
license(name, copyright_notice, license_kinds, license_text, package_name, package_url,
         package_version)
**ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | | | copyright_notice | Copyright notice. | String | optional | "" | | license_kinds | License kind(s) of this license. If multiple license kinds are listed in the LICENSE file, and they all apply, then all should be listed here. If the user can choose a single one of many, then only list one here. | List of labels | optional | [] | | license_text | The license file. | Label | optional | LICENSE | | package_name | A human readable name identifying this package. This may be used to produce an index of OSS packages used by an applicatation. | String | optional | "" | | package_url | The URL this instance of the package was download from. This may be used to produce an index of OSS packages used by an applicatation. | String | optional | "" | | package_version | A human readable version string identifying this package. This may be used to produce an index of OSS packages used by an applicatation. It should be a value that increases over time, rather than a commit hash. | String | optional | "" | Proof of concept. License restriction. ## license_kind 
license_kind(name, canonical_text, conditions, long_name, url)
**ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | | | canonical_text | File containing the canonical text for this license. Must be UTF-8 encoded. | Label | optional | None | | conditions | Conditions to be met when using software under this license. Conditions are defined by the organization using this license. | List of strings | required | | | long_name | Human readable long name of license. | String | optional | "" | | url | URL pointing to canonical license definition | String | optional | "" | Rules for declaring metadata about a package. ## package_info 
package_info(name, package_name, package_url, package_version)
**ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | | | package_name | A human readable name identifying this package. This may be used to produce an index of OSS packages used by an applicatation. | String | optional | "" | | package_url | The URL this instance of the package was download from. This may be used to produce an index of OSS packages used by an applicatation. | String | optional | "" | | package_version | A human readable version string identifying this package. This may be used to produce an index of OSS packages used by an applicatation. It should be a value that increases over time, rather than a commit hash. | String | optional | "" | Basic providers for license rules. This file should only contain the basic providers needed to create license and package_info declarations. Providers needed to gather them are declared in other places. ## LicenseInfo 
LicenseInfo(copyright_notice, label, license_kinds, license_text, package_name, package_url,
            package_version)
Provides information about a license instance. **FIELDS** | Name | Description | | :------------- | :------------- | | copyright_notice | string: Human readable short copyright notice | | label | Label: label of the license rule | | license_kinds | list(LicenseKindInfo): License kinds | | license_text | string: The license file path | | package_name | string: Human readable package name | | package_url | URL from which this package was downloaded. | | package_version | Human readable version string | Basic providers for license rules. This file should only contain the basic providers needed to create license and package_info declarations. Providers needed to gather them are declared in other places. ## LicenseKindInfo 
LicenseKindInfo(conditions, label, long_name, name)
Provides information about a license_kind instance. **FIELDS** | Name | Description | | :------------- | :------------- | | conditions | list(string): List of conditions to be met when using this packages under this license. | | label | Label: The full path to the license kind definition. | | long_name | string: Human readable license name | | name | string: Canonical license name | Basic providers for license rules. This file should only contain the basic providers needed to create license and package_info declarations. Providers needed to gather them are declared in other places. ## PackageInfo 
PackageInfo(type, label, package_name, package_url, package_version)
Provides information about a package. **FIELDS** | Name | Description | | :------------- | :------------- | | type | string: How to interpret data | | label | Label: label of the package_info rule | | package_name | string: Human readable package name | | package_url | string: URL from which this package was downloaded. | | package_version | string: Human readable version string | Rules and macros for collecting LicenseInfo providers. ## gather_metadata_info 
gather_metadata_info(name)
Collects LicenseInfo providers into a single TransitiveMetadataInfo provider. **ASPECT ATTRIBUTES** | Name | Type | | :------------- | :------------- | | *| String | **ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | | Rules and macros for collecting LicenseInfo providers. ## gather_metadata_info_and_write 
gather_metadata_info_and_write(name)
Collects TransitiveMetadataInfo providers and writes JSON representation to a file. Usage: bazel build //some:target --aspects=@rules_license//rules_gathering:gather_metadata.bzl%gather_metadata_info_and_write --output_groups=licenses **ASPECT ATTRIBUTES** | Name | Type | | :------------- | :------------- | | *| String | **ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | | Rules and macros for collecting package metdata providers. ## trace 
trace(name)
Used to allow the specification of a target to trace while collecting license dependencies. **ATTRIBUTES** | Name | Description | Type | Mandatory | Default | | :------------- | :------------- | :------------- | :------------- | :------------- | | name | A unique name for this target. | Name | required | |